Exclude CODEOWNERS from language statistics

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Alexey Palazhchenko <alexey.palazhchenko@ferretdb.io>

.gitattributes

@@ -4,4 +4,7 @@
 *.webp filter=lfs diff=lfs merge=lfs -text
 *.gif filter=lfs diff=lfs merge=lfs -text
 
+*.pdf filter=lfs diff=lfs merge=lfs -text
+
 *.go diff=golang
+.gitea/CODEOWNERS linguist-detectable=false

.gitea/CODEOWNERS

@@ -0,0 +1,3 @@
+# Pull requests request review from the eligible staff team(s).
+# One approval from either an Admin or Developer satisfies branch protection.
+*   @trueog/Admins @trueog/Developers

.github/CODEOWNERS

@@ -1,5 +1,5 @@
 # https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
-# Order is important; the last matching pattern takes the most precedence.
+# Order is important; the last matching pattern has the highest precedence.
 
 *               @AlekSi @chilagrow
 

.github/RELEASE_CHECKLIST.md

@@ -6,9 +6,10 @@
 2. Update DocumentDB image tags to point to release in:
    - [eval image](../build/ferretdb/eval.Dockerfile);
    - [eval-dev image](../build/ferretdb/eval-dev.Dockerfile);
-   - [local image](../build/deps/postgres-documentdb.Dockerfile).
+   - [local image](../build/deps/postgres-documentdb.Dockerfile);
+   - [bw image](../build/ferretdb-bw/Dockerfile).
 3. Update constants in [`documentdb.go`](../build/version/documentdb.go).
-4. Check DocumentDB images tags in documentation (where we specify full tags).
+4. Check DocumentDB images/tags in documentation (where we specify full tags).
 5. Re-run tests, linters.
 6. Check issues and pull requests, update milestones and labels.
 7. Check if there are breaking changes or anything that should be reflected in the changelog and/or user documentation.
@@ -63,8 +64,8 @@
 1. Publish and announce blog post.
 2. Add link to blog post to `CHANGELOG.md` and release page.
 3. Bump the latest version on https://beacon.ferretdb.com and https://beacon.ferretdb.io.
-4. Update DocumentDB image tags to point back to development version.
-5. Update DocumentDB images tags in the current documentation (where we specify full tags)
+4. Update DocumentDB images/tags in Dockerfiles to point back to development version.
+5. Update DocumentDB images/tags in the current documentation (where we specify full tags)
    to point to the next (non-existing) version.
 6. Update URLs with `/refs/tags/` in them in the current documentation
    to point to the next (non-existing) version.

.github/codecov.yml

@@ -30,7 +30,32 @@ flag_management:
 
 # https://docs.codecov.com/docs/pull-request-comments
 comment:
-  layout: reach,diff,files,flags
+  layout: reach,diff,files,flags,components
+
+# https://docs.codecov.com/docs/components
+component_management:
+  default_rules:
+    statuses:
+      - type: project
+        target: auto
+        threshold: 1%
+  individual_components:
+    - component_id: clientconn
+      name: "clientconn"
+      paths:
+        - internal/clientconn/**
+    - component_id: dataapi
+      name: "dataapi"
+      paths:
+        - internal/dataapi/**
+    - component_id: documentdb
+      name: "documentdb"
+      paths:
+        - internal/documentdb/**
+    - component_id: handler
+      name: "handler"
+      paths:
+        - internal/handler/**
 
 # https://docs.codecov.com/docs/github-checks
 # Annotations may be hidden by pressing the "a" key or by unselecting "Show annotations" in the top right of the file.

.github/dependabot.yml

@@ -4,6 +4,7 @@
 
 version: 2
 
+# Most configurations are duplicated to add main-v1 branch.
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
@@ -17,6 +18,19 @@ updates:
       interval: "weekly"
       day: "wednesday"
       time: "01:42"
+  - package-ecosystem: "github-actions"
+    target-branch: "main-v1"
+    directory: "/"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      github-actions-v1:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
 
   - package-ecosystem: "docker"
     directory: "/build/ferretdb"
@@ -30,6 +44,20 @@ updates:
       interval: "weekly"
       day: "wednesday"
       time: "01:42"
+  - package-ecosystem: "docker"
+    target-branch: "main-v1"
+    directory: "/build/ferretdb"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      build-docker-v1:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
+
   - package-ecosystem: "docker"
     directory: "/build/deps"
     labels: ["deps", "not ready"]
@@ -42,6 +70,19 @@ updates:
       interval: "weekly"
       day: "wednesday"
       time: "01:42"
+  - package-ecosystem: "docker"
+    target-branch: "main-v1"
+    directory: "/build/deps"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      build-deps-v1:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
 
   - package-ecosystem: "gomod"
     directory: "/"
@@ -55,6 +96,20 @@ updates:
       interval: "weekly"
       day: "wednesday"
       time: "01:42"
+  - package-ecosystem: "gomod"
+    target-branch: "main-v1"
+    directory: "/"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      ferretdb-v1:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
+
   - package-ecosystem: "gomod"
     directory: "/integration"
     labels: ["deps", "not ready"]
@@ -67,6 +122,20 @@ updates:
       interval: "weekly"
       day: "wednesday"
       time: "01:42"
+  - package-ecosystem: "gomod"
+    target-branch: "main-v1"
+    directory: "/integration"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      integration-v1:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
+
   - package-ecosystem: "gomod"
     directory: "/tools"
     labels: ["deps", "not ready"]
@@ -79,6 +148,20 @@ updates:
       interval: "weekly"
       day: "wednesday"
       time: "01:42"
+  - package-ecosystem: "gomod"
+    target-branch: "main-v1"
+    directory: "/tools"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      tools-v1:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
+
   - package-ecosystem: "gomod"
     directory: "/tools/golangci"
     labels: ["deps", "not ready"]
@@ -91,7 +174,35 @@ updates:
       interval: "weekly"
       day: "wednesday"
       time: "01:42"
+  - package-ecosystem: "gomod"
+    target-branch: "main-v1"
+    directory: "/tools/golangci"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      golangci-v1:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
 
+  # no mcphost in main-v1
+  - package-ecosystem: "gomod"
+    directory: "/tools/mcphost"
+    labels: ["deps", "not ready"]
+    assignees: [AlekSi]
+    open-pull-requests-limit: 20
+    groups:
+      mcphost:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+      day: "wednesday"
+      time: "01:42"
+
+  # no submodules in main-v1
   - package-ecosystem: "gitsubmodule"
     directory: "/"
     labels: ["deps", "not ready"]

.github/settings.yml

@@ -30,6 +30,9 @@ labels:
   - name: area/cursors
     color: "#D93F0B"
     description: Issues about cursors
+  - name: area/dataapi
+    color: "#D98F93"
+    description: Issues about Data API
   - name: area/diag
     color: "#909BA6"
     description: Issues about diagnostic commands
@@ -42,6 +45,9 @@ labels:
   - name: area/indexes
     color: "#006B75"
     description: Issues about indexes
+  - name: area/mcp
+    color: "#95921F"
+    description: Issues about MCP
   - name: area/observability
     color: "#E04D33"
     description: Issues about metrics, logs, traces, pprof, etc

.github/workflows/_integration.yml

@@ -12,10 +12,6 @@ on:
       shard_total:
         required: true
         type: number
-      coveralls:
-        required: false
-        type: boolean
-        default: false
       test_timeout:
         required: false
         type: string
@@ -24,6 +20,10 @@ on:
         required: false
         type: boolean
         default: false
+      skip_flaky_check:
+        required: false
+        type: boolean
+        default: false
 
 env:
   GOPATH: /home/runner/go
@@ -43,7 +43,7 @@ jobs:
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website
@@ -77,6 +77,14 @@ jobs:
       - name: Run init
         run: bin/task init
 
+      - name: Setup Ollama and MCPHost
+        run: |
+          mkdir -p tmp/logs
+          curl -fsSL https://ollama.com/install.sh | sh
+          sudo systemctl stop ollama
+          bin/task ollama  > tmp/logs/ollama.log  2>&1 &
+          bin/task mcphost > tmp/logs/mcphost.log 2>&1 &
+
       - name: Wait for and setup environment
         run: bin/task env-setup
 
@@ -95,22 +103,53 @@ jobs:
       - name: Collect logs
         if: failure()
         run: |
-          mkdir -p /tmp/logs
-          bin/task env-logs-collect > /tmp/logs/compose-logs.txt
-          cp -v integration/*.json.tmp integration/*.txt.tmp /tmp/logs/
+          bin/task env-logs-collect
+          cp -v integration/*.json.tmp integration/*.txt.tmp tmp/logs/
 
       - name: Compress logs before upload
         if: failure()
-        run: zip -r -q -9 logs.zip /tmp/logs
+        run: zip -r -q -9 logs.zip tmp/logs
 
       - name: Upload logs
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: logs-${{ inputs.task }}-${{ inputs.shard_index }}-${{ inputs.shard_total }}
           path: logs.zip
           retention-days: 3
 
+      - name: Upload coverage information to codecov
+        if: always()
+        uses: codecov/codecov-action@v5
+        with:
+          files: ./integration/integration-${{ inputs.task }}.txt
+          flags: integration,${{ inputs.task }},${{ inputs.task }}-${{ inputs.shard_index }}
+          disable_file_fixes: true
+          fail_ci_if_error: true
+          verbose: true
+
+      - name: Upload coverage information to coveralls
+        if: always()
+        uses: coverallsapp/github-action@v2
+        with:
+          file: ./integration/integration-${{ inputs.task }}.txt
+          flag-name: integration-${{ inputs.task }}-${{ inputs.shard_index }}
+          parallel: true
+
+      - name: Convert test results to JUnit XML format
+        if: always() && !inputs.skip_flaky_check
+        run: >
+          ./bin/go-junit-report -parser=gojson
+          -in ./integration/*.json.tmp
+          -out ./integration/${{ inputs.task }}.xml
+
+      - name: Upload test results to Codecov
+        if: always()
+        uses: codecov/test-results-action@v1
+        with:
+          flags: integration,${{ inputs.task }},${{ inputs.task }}-${{ inputs.shard_index }}
+          file: ./integration/${{ inputs.task }}.xml
+
       # we don't want them on CI
       - name: Clean test and fuzz caches
         if: always()

.github/workflows/cleanup.yml

@@ -18,9 +18,12 @@ jobs:
     name: Cleanup
     runs-on: server
 
+    permissions:
+      contents: read
+
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website

.github/workflows/cts.yml

@@ -7,11 +7,11 @@ on:
       - opened
       - reopened
       - synchronize
-    push:
-      branches:
-        - main
-        - main-*
-        - releases/*
+  push:
+    branches:
+      - main
+      - main-*
+      - releases/*
 
 env:
   GOPATH: /home/runner/go
@@ -29,10 +29,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website

.github/workflows/debug.yml

@@ -34,10 +34,13 @@ jobs:
     # comment out to enable this job
     if: false
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website

.github/workflows/docs.yml

@@ -37,10 +37,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: true
@@ -87,7 +90,7 @@ jobs:
 
       # it has to be exactly "docs.tar" for actions/deploy-pages below
       - name: Upload archive artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: docs
           path: tmp/docs.tar

.github/workflows/format.yml

@@ -36,10 +36,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website

.github/workflows/go.yml

@@ -36,10 +36,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website
@@ -93,10 +96,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website
@@ -117,6 +123,16 @@ jobs:
         run: go generate -x
         working-directory: tools
 
+      # install.sh starts ollama service, stop it since we want to run with `bin/task ollama` with environment variables
+      - name: Setup Ollama
+        run: |
+          curl -fsSL https://ollama.com/install.sh | sudo -E sh
+          sudo systemctl stop ollama
+
+      - name: Start Ollama in the background
+        run: |
+          bin/task ollama &
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -127,6 +143,10 @@ jobs:
       - name: Start environment
         run: bin/task env-up-detach
 
+      - name: Pull and load Ollama model
+        run: |
+          bin/task ollama-model
+
       - name: Run init
         run: bin/task init
 
@@ -136,6 +156,7 @@ jobs:
       - name: Regenerate and reformat
         run: bin/task gen
         env:
+          # must be a SUPERUSER to ensure parameter_default is set
           DOCUMENTDB_GEN_URL: postgres://username:password@127.0.0.1:5432/postgres
 
       - name: Build bin/ferretdb
@@ -147,6 +168,38 @@ jobs:
           GOFLAGS: ${{ runner.debug == '1' && '-v' || '' }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # for tools
 
+      - name: Upload coverage information to codecov
+        if: always()
+        uses: codecov/codecov-action@v5
+        with:
+          files: ./cover.txt
+          flags: unit
+          disable_file_fixes: true
+          fail_ci_if_error: true
+          verbose: true
+
+      - name: Upload coverage information to coveralls
+        if: always()
+        uses: coverallsapp/github-action@v2
+        with:
+          file: ./cover.txt
+          flag-name: unit
+          parallel: true
+
+      - name: Convert test results to JUnit XML format
+        if: always()
+        run: >
+          ./bin/go-junit-report
+          -in ./unit.txt
+          -out ./unit.xml
+
+      - name: Upload test results to Codecov
+        if: always()
+        uses: codecov/test-results-action@v1
+        with:
+          flags: unit
+          file: ./unit.xml
+
       # we don't want them on CI
       - name: Clean test and fuzz caches
         if: always()
@@ -174,18 +227,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        task: [postgresql]
+        task: [postgresql, yugabytedb]
         shard_index: [1, 2, 3, 4, 5]
         shard_total: [5]
         include:
           - { task: "mongodb", shard_index: 1, shard_total: 1 }
+          - { task: "yugabytedb", skip_flaky_check: true } # Too many failures for now
 
     uses: ./.github/workflows/_integration.yml
     with:
       task: ${{ matrix.task }}
       shard_index: ${{ matrix.shard_index }}
       shard_total: ${{ matrix.shard_total }}
-      coveralls: true
+      skip_flaky_check: ${{ matrix.skip_flaky_check || false }}
 
   integration-no-xfail:
     name: postgresql no-xfail
@@ -217,8 +271,11 @@ jobs:
     if: always() && (github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready'))
 
     steps:
-      - name: Do nothing
-        run: echo 'nothing'
+      - name: Submit coveralls
+        if: always()
+        uses: coverallsapp/github-action@v2
+        with:
+          parallel-finished: true
 
   env-data:
     name: env-data
@@ -232,10 +289,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website
@@ -295,7 +355,7 @@ jobs:
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `golangci-lint run --new` to work
           lfs: false # LFS is used only by website

.github/workflows/packages.yml

@@ -26,7 +26,7 @@ on:
     tags:
       - "*"
   schedule:
-    - cron: "10 1 * * 1" # after cleanup
+    - cron: "10 1 * * 1" # after cleanup and DocumentDB
 
 # Do not run this workflow in parallel for any PR change or branch/tag push
 # to prevent concurrent pushes for the same Docker image tag
@@ -64,7 +64,7 @@ jobs:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
         if: github.event_name != 'pull_request_target'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website
@@ -72,7 +72,7 @@ jobs:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout pull request code
         if: github.event_name == 'pull_request_target'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website
@@ -156,7 +156,7 @@ jobs:
         run: bin/task build-development
 
       - name: Upload development binaries
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: bin-dev
           path: tmp/bin-dev/
@@ -167,7 +167,7 @@ jobs:
         run: bin/task build-production
 
       - name: Upload production binaries
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: bin
           path: tmp/bin/
@@ -178,7 +178,7 @@ jobs:
         run: bin/task packages
 
       - name: Upload .deb packages
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: debs
           path: tmp/debs/
@@ -186,7 +186,7 @@ jobs:
           if-no-files-found: error
 
       - name: Upload .rpm packages
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: rpms
           path: tmp/rpms/

.github/workflows/security.yml

@@ -36,10 +36,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website

.github/workflows/testscripts.yml

@@ -39,10 +39,13 @@ jobs:
 
     if: github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'not ready')
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for `git describe` to work
           lfs: false # LFS is used only by website
@@ -103,7 +106,7 @@ jobs:
 
       - name: Upload FerretDB log
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: ferretdb-log
           path: ferretdb-log.zip

.github/workflows/website-preview.yml

@@ -39,10 +39,13 @@ jobs:
       name: cloudflare-dev-blog
       url: ${{ steps.extract.outputs.extracted_url }}
 
+    permissions:
+      contents: read
+
     steps:
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for wrangler to work
           lfs: true
@@ -102,6 +105,9 @@ jobs:
       name: cloudflare-dev-docs
       url: ${{ steps.extract.outputs.extracted_url }}
 
+    permissions:
+      contents: read
+
     steps:
       # We can't easily download build results from the Docs workflow:
       # https://github.com/actions/download-artifact/issues/172
@@ -110,7 +116,7 @@ jobs:
 
       # TODO https://github.com/FerretDB/github-actions/issues/211
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # for wrangler to work
           lfs: true

.gitignore

@@ -2,8 +2,6 @@
 # Please use global .gitignore file for .DS_Store, .idea/, go.work, .envrc, etc.
 # See https://docs.github.com/en/get-started/getting-started-with-git/ignoring-files#configuring-ignored-files-for-all-repositories-on-your-computer
 
-docker-compose.override.yml
-
 state.json
 telemetry.json
 
@@ -15,6 +13,7 @@ telemetry.json
 *.tmp
 *.txt
 !website/static/*.txt
+*.xml
 
 .task/
 bin/

.golangci.yml

@@ -53,6 +53,7 @@ linters-settings:
           - "!**/internal/documentdb/**.go"
           - "!**/internal/driver/*.go"
           - "!**/internal/handler/**.go"
+          - "!**/internal/mcp/*.go"
           - "!**/internal/mongoerrors/*.go"
           - "!**/internal/util/logging/*.go"
           - "!**/internal/util/scram/*.go"
@@ -179,7 +180,7 @@ linters-settings:
         alias: otelsdkresource
       - pkg: go.opentelemetry.io/otel/sdk/trace
         alias: otelsdktrace
-      - pkg: go.opentelemetry.io/otel/semconv/v1.21.0
+      - pkg: go.opentelemetry.io/otel/semconv/v1.34.0
         alias: otelsemconv
   # ineffassign
   lll:

CHANGELOG.md

@@ -2,6 +2,283 @@
 
 <!-- markdownlint-disable MD024 MD034 -->
 
+## [v2.7.0](https://github.com/FerretDB/FerretDB/releases/tag/v2.7.0) (2025-11-10)
+
+(We skipped v2.6.0 to align DocumentDB and FerretDB version numbers.)
+
+This version works best with
+[DocumentDB v0.107.0-ferretdb-2.7.0](https://github.com/FerretDB/documentdb/releases/tag/v0.107.0-ferretdb-2.7.0).
+
+### Breaking changes
+
+There are some changes in our Prometheus metrics and OpenTelemetry traces.
+Please note that they are
+[not stable yet](https://docs.ferretdb.io/v2.7/configuration/observability/).
+
+### What's Changed
+
+#### Basic MCP server
+
+This release adds basic MCP server support.
+Future release will bring additional functionality.
+
+#### Connectivity improvements
+
+PostgreSQL connections are now reused, often yielding modest performance gains.
+
+### New Features 🎉
+
+- Add basic MCP server by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5279
+- Implement DataAPI graceful shutdown and add OpenAPI spec endpoint by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5357
+- Improve proxy mode observability by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5440
+- Add tracing of SQL queries by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5514
+
+### Enhancements 🛠
+
+- Add `PostgreSQL` metrics by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5427
+- Rename OpenTelemetry spans by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5512
+
+### Documentation 📄
+
+- Add blog post on Formio by @Fashander in https://github.com/FerretDB/FerretDB/pull/5395
+- Document cloud instance deployment and setup by @Fashander in https://github.com/FerretDB/FerretDB/pull/5424
+- Update content guide by @Fashander in https://github.com/FerretDB/FerretDB/pull/5441
+- Update compatible apps by @Fashander in https://github.com/FerretDB/FerretDB/pull/5442
+- Add documentation page stub for MCP server by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5451
+- Add FerretDB Cloud blog post by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5461
+- Update cloud installation docs by @Fashander in https://github.com/FerretDB/FerretDB/pull/5466
+
+### Other Changes 🤖
+
+- Use middleware by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5377
+- Use generated structs in Data API by @noisersup in https://github.com/FerretDB/FerretDB/pull/5382
+- Upload YugabyteDB log files by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5401
+- Update documentation to point to the next release by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5423
+- Bump YugabyteDB to stable version by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5428
+- Use QEMU on arm64 for Yugabyte for now by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5429
+- Add comments to supervisord config by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5430
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5431
+- Make `Run` wait for all `Handle` calls to finish by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5434
+- Tweak `conninfo` by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5435
+- Add middleware by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5437
+- Update expected PostgreSQL version by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5438
+- Avoid hijacking connections from the pool and immediately closing them by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5443
+- Remove flaky test by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5444
+- Add TODO comment about Debian 13 Trixie by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5450
+- Add MCP tools by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5452
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5455
+- Update `wire` dependency by @noisersup in https://github.com/FerretDB/FerretDB/pull/5465
+- Add helpers for lazy logging by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5467
+- Move to `documentdb/documentdb` by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5468
+- Update dependencies by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5479
+- Add a test for `*documentdb.Conn` finalizing by @noisersup in https://github.com/FerretDB/FerretDB/pull/5484
+- Finalize PostgreSQL metrics by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5485
+- Fix spelling in `.go` files by @jsoref in https://github.com/FerretDB/FerretDB/pull/5492
+- Fix `CODEOWNERS` grammar by @jsoref in https://github.com/FerretDB/FerretDB/pull/5495
+- Use Go 1.25.1 by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5508
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5509
+- Minor observability cleanup by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5511
+- Bump dependencies by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5519
+- Use Go 1.25.3 by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5525
+- Skip flaky test for now by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5526
+- Use forked lazyerrors by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5527
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5528
+- Use Go 1.25.4 by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5534
+- Bump DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5536
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5537
+
+### New Contributors
+
+- @jsoref made their first contribution in https://github.com/FerretDB/FerretDB/pull/5486
+
+[All closed issues and pull requests](https://github.com/FerretDB/FerretDB/milestone/80?closed=1).
+[All commits](https://github.com/FerretDB/FerretDB/compare/v2.5.0...v2.7.0).
+
+## [v2.5.0](https://github.com/FerretDB/FerretDB/releases/tag/v2.5.0) (2025-08-12)
+
+This version works best with
+[DocumentDB v0.106.0-ferretdb-2.5.0](https://github.com/FerretDB/documentdb/releases/tag/v0.106.0-ferretdb-2.5.0).
+
+### Breaking changes
+
+#### Metric names
+
+We changed Prometheus metric names and `HELP` texts to highlight the fact that they are
+[not stable yet](https://docs.ferretdb.io/configuration/observability/#metrics).
+We plan to promote most of them to stable in the next release.
+
+### What's Changed
+
+#### RPM packages for DocumentDB
+
+DocumentDB `.rpm` packages for Red Hat Enterprise Linux are
+[now available](https://docs.ferretdb.io/installation/documentdb/rpm/)!
+
+### Documentation 📄
+
+- Enable full visibility for images on zoom by @Fashander in https://github.com/FerretDB/FerretDB/pull/5346
+- Add Vault blog post by @Fashander in https://github.com/FerretDB/FerretDB/pull/5368
+- Add WeKan blog post by @Fashander in https://github.com/FerretDB/FerretDB/pull/5381
+
+### Other Changes 🤖
+
+- Add YugabyteDB integration tests by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5274
+- Run all YugabyteDB integration tests by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5283
+- Refactor normal and error responses by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5326
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5353
+- Use Codecov for flaky integration tests detection by @noisersup in https://github.com/FerretDB/FerretDB/pull/5361
+- Make accessing YugabyteDB logs easier by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5362
+- Add components in codecov by @noisersup in https://github.com/FerretDB/FerretDB/pull/5364
+- Skip YugabyteDB setup for `arm64` by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5372
+- Tweak Ollama and MCPHost setup by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5375
+- Simplify flags handling by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5378
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5380
+- Extract wiring into a separate package by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5383
+- Small cleanup by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5388
+- Encapsulate PostgreSQL pool in the Handler by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5389
+- Bump DocumentDB version by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5392
+- Test flaky tests detection by @noisersup in https://github.com/FerretDB/FerretDB/pull/5393
+- Small tweaks by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5394
+- Make a resource.Untrack thread-safe by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5396
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5398
+- Enable MongoDB test commands by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5400
+- Update Prometheus metrics by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5403
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5411
+
+[All closed issues and pull requests](https://github.com/FerretDB/FerretDB/milestone/79?closed=1).
+[All commits](https://github.com/FerretDB/FerretDB/compare/v2.4.0...v2.5.0).
+
+## [v2.4.0](https://github.com/FerretDB/FerretDB/releases/tag/v2.4.0) (2025-07-16)
+
+This version works best with
+[DocumentDB v0.105.0-ferretdb-2.4.0](https://github.com/FerretDB/documentdb/releases/tag/v0.105.0-ferretdb-2.4.0).
+
+### New Features 🎉
+
+- Allow `clusterAdmin` users to perform user management commands by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5314
+
+### Enhancements 🛠
+
+- Use debug-level log messages for continuations by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5266
+
+### Documentation 📄
+
+- Add blog post on setting up LibreChat with FerretDB by @Fashander in https://github.com/FerretDB/FerretDB/pull/4999
+- Add blog post for Payload CMS by @Fashander in https://github.com/FerretDB/FerretDB/pull/5257
+- Add blog post on using Compass GUI by @Fashander in https://github.com/FerretDB/FerretDB/pull/5263
+- Fix social links by @Fashander in https://github.com/FerretDB/FerretDB/pull/5264
+- Add PayloadCMS to compatible apps by @Fashander in https://github.com/FerretDB/FerretDB/pull/5270
+- Add Compass to compatible apps by @Fashander in https://github.com/FerretDB/FerretDB/pull/5275
+- Wrap long lines in a blog post by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5280
+- Add NodeBB compatibility blog post by @Fashander in https://github.com/FerretDB/FerretDB/pull/5285
+- Add Librechat to compatibility section by @Fashander in https://github.com/FerretDB/FerretDB/pull/5286
+- Add NodeBB to compatible apps by @Fashander in https://github.com/FerretDB/FerretDB/pull/5293
+- Cleanup NodeBB blog post by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5294
+- Add Growthbook blogpost by @Fashander in https://github.com/FerretDB/FerretDB/pull/5304
+- Add Heyform compatibility blog post by @Fashander in https://github.com/FerretDB/FerretDB/pull/5316
+- Add GrowthBook to compatible apps by @Fashander in https://github.com/FerretDB/FerretDB/pull/5319
+- Add DBeaver compatibility blogpost by @Fashander in https://github.com/FerretDB/FerretDB/pull/5321
+- Add HyperDX blog post by @Fashander in https://github.com/FerretDB/FerretDB/pull/5334
+- Add compatible applications by @Fashander in https://github.com/FerretDB/FerretDB/pull/5335
+- Prepare v2.4.0 release by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5344
+
+### Other Changes 🤖
+
+- Add YugabyteDB to local setup by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5258
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5261
+- Remove skipping of `bypassEmptyTsReplacement` by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5267
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5268
+- Bring back Codecov and Coveralls integration by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5276
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5282
+- Add `mcphost` as tool by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5287
+- Refactor requests handling by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5292
+- Add Dependabot configuration for mcphost by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5296
+- Extend middleware requests and responses by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5301
+- Minor refactoring of Data API by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5302
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5307
+- Refactor responses handling by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5310
+- Add authentication test for client reconnecting by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5311
+- Do not use deprecated method by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5312
+- Update TODO URLs by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5317
+- Remove `must.NotFail(wire[bson].NewXXX(` pattern by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5318
+- Update TODO URL for `dropUsers` test by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5324
+- Avoid extra marshaling by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5327
+- Split command handling and handlers by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5328
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5342
+
+### New Contributors
+
+[All closed issues and pull requests](https://github.com/FerretDB/FerretDB/milestone/77?closed=1).
+[All commits](https://github.com/FerretDB/FerretDB/compare/v2.3.1...v2.4.0).
+
+## [v2.3.1](https://github.com/FerretDB/FerretDB/releases/tag/v2.3.1) (2025-06-12)
+
+Hotfix release to restore compatibility with various tools such as `mongoimport` and `mongorestore`.
+
+### Fixed Bugs 🐛
+
+- Revert "Remove hack for `bypassEmptyTsReplacement` (#5217)" by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5256
+
+[All closed issues and pull requests](https://github.com/FerretDB/FerretDB/milestone/78?closed=1).
+[All commits](https://github.com/FerretDB/FerretDB/compare/v2.3.0...v2.3.1).
+
+## [v2.3.0](https://github.com/FerretDB/FerretDB/releases/tag/v2.3.0) (2025-06-11)
+
+This version works best with
+[DocumentDB v0.104.0-ferretdb-2.3.0](https://github.com/FerretDB/documentdb/releases/tag/v0.104.0-ferretdb-2.3.0).
+
+### New Features 🎉
+
+- Add telemetry configuration for embedded FerretDB by @jyz0309 in https://github.com/FerretDB/FerretDB/pull/5109
+- Use DocumentDB's support for `bypassEmptyTsReplacement` by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5217
+- Use DocumentDB's `compat` command by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5242
+
+### Documentation 📄
+
+- Enable `onInlineAuthors` in blog settings by @Balou9 in https://github.com/FerretDB/FerretDB/pull/5079
+- Create compatible apps section by @Fashander in https://github.com/FerretDB/FerretDB/pull/5108
+- Improve insert operations in guides by @Fashander in https://github.com/FerretDB/FerretDB/pull/5131
+- Update versions to point to the next release by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5144
+- Update Docker tags in docs by @Fashander in https://github.com/FerretDB/FerretDB/pull/5156
+- Update Docker tags for next release by @Fashander in https://github.com/FerretDB/FerretDB/pull/5157
+- Do not format MDX as Markdown by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5186
+- Add blog post on Mongo Express compatibility by @Fashander in https://github.com/FerretDB/FerretDB/pull/5194
+- Add blog post for Novu compatibility by @Fashander in https://github.com/FerretDB/FerretDB/pull/5195
+- Update CTS tool to wrap long lines by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5202
+- Disable Markdownlint rule that clashes with MDX by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5210
+- Small documentation tweaks by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5218
+- Prepare v2.3.0 release by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5254
+
+### Other Changes 🤖
+
+- Use `runtime.Cleanup` for resource tracking by @sahinakyol in https://github.com/FerretDB/FerretDB/pull/5077
+- Add Dependabot configuration for `main-v1` by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5098
+- Bump deps by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5159
+- Make `conninfo` a resource by @chilagrow in https://github.com/FerretDB/FerretDB/pull/5166
+- Revert "Update CODEOWNERS" by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5169
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5170
+- Add `permissions` to GitHub Actions workflows by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5182
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5184
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5197
+- Add test for inserting zero timestamp by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5199
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5201
+- Refactor resource tracking tests by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5208
+- Unskip test by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5211
+- Use Ollama in local setup by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5215
+- Update TODO comments by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5223
+- Bump Go and deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5236
+- Update DocumentDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5240
+- Build production Docker images for PRs by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5251
+- Improve telemetry configuration for embedded FerretDB by @AlekSi in https://github.com/FerretDB/FerretDB/pull/5252
+
+### New Contributors
+
+- @sahinakyol made their first contribution in https://github.com/FerretDB/FerretDB/pull/5077
+- @Balou9 made their first contribution in https://github.com/FerretDB/FerretDB/pull/5079
+
+[All closed issues and pull requests](https://github.com/FerretDB/FerretDB/milestone/74?closed=1).
+[All commits](https://github.com/FerretDB/FerretDB/compare/v2.2.0...v2.3.0).
+
 ## [v2.2.0](https://github.com/FerretDB/FerretDB/releases/tag/v2.2.0) (2025-05-09)
 
 This version works best with

CONTRIBUTING.md

@@ -30,7 +30,7 @@ On macOS and Windows, [Docker Desktop](https://www.docker.com/products/docker-de
 On Windows, it should be [configured to use WSL 2](https://docs.docker.com/desktop/windows/wsl/) without any distro;
 all commands should be run on the host.
 
-You will need Go 1.24 or later on the host.
+You will need Go 1.25 or later on the host.
 If your package manager doesn't provide it yet,
 please install it from [go.dev](https://go.dev/dl/).
 

NOTICE

@@ -1,2 +0,0 @@
-FerretDB database system (https://www.ferretdb.com/).
-Copyright 2021 FerretDB Inc.

README.md

@@ -19,7 +19,7 @@
 
 FerretDB is an open-source alternative to MongoDB.
 It is a proxy that converts MongoDB 5.0+ wire protocol queries to SQL
-and uses PostgreSQL with [DocumentDB extension](https://github.com/microsoft/documentdb) as a database engine.
+and uses PostgreSQL with [DocumentDB extension](https://github.com/documentdb/documentdb) as a database engine.
 
 ```mermaid
 flowchart LR
@@ -116,7 +116,5 @@ See [there](https://pkg.go.dev/github.com/FerretDB/FerretDB/v2/build/version) fo
 - [Slack chat](https://slack.ferretdb.io/) for quick questions.
 - [GitHub Discussions](https://github.com/FerretDB/FerretDB/discussions) for longer topics.
 - [GitHub Issues](https://github.com/FerretDB/FerretDB/issues) for bugs and missing features.
-- [Open Office Hours meeting](https://calendar.google.com/calendar/event?action=TEMPLATE&tmeid=NGhrZTA5dXZ0MzQzN2gyaGVtZmx2aWxmN2pfMjAyNDA0MDhUMTcwMDAwWiBjX24zN3RxdW9yZWlsOWIwMm0wNzQwMDA3MjQ0QGc&tmsrc=c_n37tquoreil9b02m0740007244%40group.calendar.google.com&scp=ALL)
-  every Monday at 17:00 UTC at [Google Meet](https://meet.google.com/mcb-arhw-qbq).
 
 If you want to contact FerretDB Inc., please use [this form](https://www.ferretdb.com/contact/).

Taskfile.yml

@@ -16,7 +16,9 @@ vars:
   RACE_FLAG: -race={{and (ne OS "windows") (ne ARCH "arm") (ne ARCH "riscv64")}}
   BUILD_TAGS: ferretdb_dev
   MODE: diff-normal
-  SERVICES: postgres mongodb mongodb-secure jaeger
+  SERVICES: jaeger mongodb mongodb-secure postgres yugabytedb
+  LLM: qwen3:0.6b # sync with code
+  LLM_CONTEXT: 40960 # https://ollama.com/library/qwen3:0.6b
 
 tasks:
   # invoked when `task` is run without arguments
@@ -47,6 +49,13 @@ tasks:
       - go mod verify
       - go generate -x
 
+  init-tools-mcphost:
+    dir: tools/mcphost
+    cmds:
+      - go mod tidy
+      - go mod verify
+      - go generate -x
+
   init-integration:
     dir: integration
     cmds:
@@ -55,7 +64,7 @@ tasks:
 
   init:
     desc: "Install development tools"
-    deps: [init-tools, init-tools-golangci, init-integration]
+    deps: [init-tools, init-tools-golangci, init-tools-mcphost, init-integration]
     cmds:
       - go mod tidy
       - go mod verify
@@ -106,9 +115,13 @@ tasks:
       - docker compose logs --follow
 
   env-logs-collect:
+    desc: "Collect logs from Docker and save them to tmp/logs"
     cmds:
-      - docker compose ps --all
-      - docker compose logs
+      - bin/envtool{{exeExt}} shell mkdir tmp/logs
+      - docker compose ps --all > tmp/logs/compose-ps.txt
+      - docker compose logs > tmp/logs/compose-logs.txt
+      - docker compose exec yugabytedb sh -c "bin/yugabyted collect_logs --stdout | gunzip | tar -xf - --one-top-level=/tmp/logs"
+      - docker compose cp yugabytedb:/tmp/logs tmp/logs/yugabytedb
 
   env-up:
     desc: "Start development environment"
@@ -187,7 +200,7 @@ tasks:
     desc: "Run all unit tests"
     cmds:
       - go test -c -o /dev/null ./...
-      - go test -count=1 -timeout={{.TEST_TIMEOUT}} {{.RACE_FLAG}} -tags={{.BUILD_TAGS}} -shuffle=on -coverprofile=cover.txt ./...
+      - go test -v -count=1 -timeout={{.TEST_TIMEOUT}} {{.RACE_FLAG}} -tags={{.BUILD_TAGS}} -shuffle=on -coverprofile=cover.txt ./... | tee unit.txt
       - go test -count=1 -timeout={{.TEST_TIMEOUT}} {{.RACE_FLAG}} -tags={{.BUILD_TAGS}} -shuffle=on -bench=. -benchtime=1x ./...
       - bin/task{{exeExt}} -d tools tools-test
 
@@ -251,6 +264,47 @@ tasks:
         -target-backend=mongodb
         -no-xfail={{.NO_XFAIL}}
 
+  test-integration-yugabytedb:
+    desc: "Run integration tests for FerretDB with YugabyteDB sequentially"
+    vars:
+      # DPanic on InternalError stops execution of remaining tests,
+      # ensure to complete all tests by not setting development build tag and without race detector.
+      # TODO https://github.com/FerretDB/FerretDB/issues/5397
+      BUILD_TAGS: ""
+      RACE_FLAG: -race=false
+    deps:
+      - task: gen-version
+        vars:
+          BUILD_TAGS:
+            ref: .BUILD_TAGS
+          RACE_FLAG:
+            ref: .RACE_FLAG
+      - task: test-integration-build
+    dir: integration
+    cmds:
+      - >
+        ../bin/envtool{{exeExt}} tests run
+        --shard-index={{.SHARD_INDEX}}
+        --shard-total={{.SHARD_TOTAL}}
+        --run='{{.TEST_RUN}}'
+        --skip='{{.TEST_SKIP}}'
+        --raw-prefix=yugabytedb-{{.SHARD_INDEX}}-{{.SHARD_TOTAL}}
+        --
+        -count=1
+        -parallel=1
+        -p=1
+        -timeout={{.TEST_TIMEOUT}}
+        {{.RACE_FLAG}}
+        -tags={{.BUILD_TAGS}}
+        -shuffle=on
+        -coverpkg=../...
+        -coverprofile=integration-yugabytedb.txt
+        ./...
+        -target-backend=ferretdb-yugabytedb
+        -postgresql-url='postgres://pg-user:pg-pass@127.0.0.1:5433/yugabyte'
+        -compat-url='mongodb://username:password@127.0.0.1:47017/?replicaSet=rs0'
+        -no-xfail={{.NO_XFAIL}}
+
   bench-unit:
     desc: "Run unit benchmarks"
     cmds:
@@ -268,6 +322,7 @@ tasks:
         --no-auth
         --listen-addr=:27017
         --listen-data-api-addr=127.0.0.1:8899
+        --listen-mcp-addr=127.0.0.1:8081
         --proxy-addr=127.0.0.1:37017
         --postgresql-url='postgres://username:password@127.0.0.1:5432/postgres'
         --otel-traces-url=http://127.0.0.1:4318/v1/traces
@@ -282,12 +337,45 @@ tasks:
         --mode={{.MODE}}
         --listen-addr=:27017
         --listen-data-api-addr=127.0.0.1:8899
+        --listen-mcp-addr=127.0.0.1:8081
         --proxy-addr=127.0.0.1:47017
         --postgresql-url='postgres://username:password@127.0.0.1:5432/postgres'
         --otel-traces-url=http://127.0.0.1:4318/v1/traces
         --dev-repl-set-name=rs0
         --dev-records-dir=tmp/records
 
+  run-yugabytedb:
+    desc: "Run FerretDB with YugabyteDB without auth"
+    deps: [build-host]
+    cmds:
+      - >
+        bin/ferretdb{{exeExt}}
+        --mode={{.MODE}}
+        --no-auth
+        --listen-addr=:27017
+        --listen-data-api-addr=127.0.0.1:8899
+        --listen-mcp-addr=127.0.0.1:8081
+        --proxy-addr=127.0.0.1:37017
+        --postgresql-url='postgres://username:password@127.0.0.1:5433/yugabyte'
+        --otel-traces-url=http://127.0.0.1:4318/v1/traces
+        --dev-records-dir=tmp/records
+
+  run-yugabytedb-secure:
+    desc: "Run FerretDB with YugabyteDB with auth"
+    deps: [build-host]
+    cmds:
+      - >
+        bin/ferretdb{{exeExt}}
+        --mode={{.MODE}}
+        --listen-addr=:27017
+        --listen-data-api-addr=127.0.0.1:8899
+        --listen-mcp-addr=127.0.0.1:8081
+        --proxy-addr=127.0.0.1:47017
+        --postgresql-url='postgres://username:password@127.0.0.1:5433/yugabyte'
+        --otel-traces-url=http://127.0.0.1:4318/v1/traces
+        --dev-repl-set-name=rs0
+        --dev-records-dir=tmp/records
+
   # invoked by FerretDB/github-actions/linters action
   lint:
     desc: "Run linters"
@@ -317,18 +405,42 @@ tasks:
 
   security-trivy:
     cmds:
-      - docker compose run --rm trivy --config=./build/trivy.yml filesystem .
+      - docker compose run --rm trivy --config=./build/trivy.yml filesystem --ignorefile=./build/.trivyignore .
 
   godocs:
     desc: "Serve Go code documentation"
     cmds:
       - bin/pkgsite{{exeExt}} -http=127.0.0.1:6060 -open
 
+  ollama:
+    desc: "Run local Ollama server"
+    cmds:
+      - ollama serve
+    env:
+      OLLAMA_CONTEXT_LENGTH: "{{.LLM_CONTEXT}}"
+      OLLAMA_DEBUG: 2
+
+  ollama-model:
+    desc: "Pull and load Ollama model"
+    cmds:
+      - ollama pull {{.LLM}}
+      - ollama run --think=false {{.LLM}} 'Hi!'
+
+  mcphost:
+    desc: "Run MCPHost for local Ollama server"
+    cmds:
+      - bin/mcphost --config=build/mcphost.json --model=ollama:{{.LLM}}
+
   psql:
     desc: "Run psql"
     cmds:
       - docker compose exec postgres psql -p 5432 -U username -d postgres
 
+  ysqlsh:
+    desc: "Run YugabyteDB SQL shell"
+    cmds:
+      - docker compose exec yugabytedb ./bin/ysqlsh postgres://username:password@host.docker.internal:5433/yugabyte
+
   mongosh:
     desc: "Run MongoDB shell (`mongosh`)"
     cmds:
@@ -738,7 +850,7 @@ tasks:
       # TODO --print-width 120 (https://github.com/FerretDB/FerretDB/issues/4636)
       - >
         docker compose run --rm prettier --write --single-quote --trailing-comma none --no-semi
-        --parser markdown "**/*.md" "**/*.mdx"
+        "**/*.md" "**/*.mdx"
 
       - >
         docker compose run --rm markdownlint --config "build/.markdownlint.yml"

build/.markdownlint.yml

@@ -11,4 +11,7 @@ MD006: false # deprecated
 MD013: false # we use https://sembr.org that could lead to long lines
 MD026: { punctuation: ".,;:。，；：" } # default is .,;:!。，；：！
 MD029: { style: ordered }
+MD033: false # for MDX
 MD034: false # autolink tags <link> no longer supported by MDX
+MD037: false # clashes with MDX comments
+MD059: false # not yet

build/.trivyignore

@@ -0,0 +1,7 @@
+# https://github.com/cloudwego/eino#dependencies
+# TODO https://github.com/cloudwego/eino/issues/291
+CVE-2025-30153
+
+# https://nvd.nist.gov/vuln/detail/CVE-2025-51471
+# https://github.com/ollama/ollama/pull/10750
+CVE-2025-51471

build/deps/ferretdb-prettier.Dockerfile

@@ -1 +1 @@
-FROM ghcr.io/ferretdb/ferretdb-prettier:3.5.3-1
+FROM ghcr.io/ferretdb/ferretdb-prettier:3.6.2-1

build/deps/ferretdb-textlint.Dockerfile

@@ -1 +1 @@
-FROM ghcr.io/ferretdb/ferretdb-textlint:14.6.0-1
+FROM ghcr.io/ferretdb/ferretdb-textlint:15.2.0-1

build/deps/ferretdb-wrangler.Dockerfile

@@ -1 +1 @@
-FROM ghcr.io/ferretdb/ferretdb-wrangler:4.7.1-1
+FROM ghcr.io/ferretdb/ferretdb-wrangler:4.24.0-1

build/deps/jaeger.Dockerfile

@@ -1 +1 @@
-FROM jaegertracing/all-in-one:1.68.0
+FROM jaegertracing/all-in-one:1.74.0

build/deps/markdownlint.Dockerfile

@@ -1 +1 @@
-FROM davidanson/markdownlint-cli2:v0.17.2
+FROM davidanson/markdownlint-cli2:v0.18.1

build/deps/postgres-documentdb.Dockerfile

@@ -1,5 +1,5 @@
-# Use production image and full tag close to the release.
-FROM ghcr.io/ferretdb/postgres-documentdb:17-0.103.0-ferretdb-2.2.0
+# Use development image and full tag close to the release.
+FROM ghcr.io/ferretdb/postgres-documentdb-dev:17-0.107.0-ferretdb-2.7.0
 
 # Use moving development image during development.
 # FROM ghcr.io/ferretdb/postgres-documentdb-dev:17-ferretdb

build/deps/trivy.Dockerfile

@@ -1,2 +1,2 @@
-FROM aquasec/trivy:0.61.0
+FROM aquasec/trivy:0.67.2
 WORKDIR /workdir

build/deps/yugabytedb.Dockerfile

@@ -0,0 +1 @@
+FROM yugabytedb/yugabyte:2025.1.1.0-b197

build/ferretdb-bw/Dockerfile

@@ -1,4 +1,8 @@
-FROM --platform=linux/amd64 ghcr.io/ferretdb/postgres-documentdb-dev:17-ferretdb
+# Use production image and full tag close to the release.
+FROM --platform=linux/amd64 ghcr.io/ferretdb/postgres-documentdb:17-0.107.0-ferretdb-2.7.0
+
+# Use moving development image during development.
+# FROM --platform=linux/amd64 ghcr.io/ferretdb/postgres-documentdb-dev:17-ferretdb
 
 RUN --mount=type=cache,target=/var/cache/apt <<EOF
 
@@ -11,9 +15,9 @@ apt update
 apt install -y git-lfs mongodb-mongosh tmux nano
 
 cd /tmp
-curl -OJL https://go.dev/dl/go1.24.3.linux-amd64.tar.gz
-tar -xf go1.24.3.linux-amd64.tar.gz
-rm go1.24.3.linux-amd64.tar.gz
+curl -OJL https://go.dev/dl/go1.25.4.linux-amd64.tar.gz
+tar -xf go1.25.4.linux-amd64.tar.gz
+rm go1.25.4.linux-amd64.tar.gz
 mv go /usr/local/
 ln -s /usr/local/go/bin/* /usr/local/bin/
 go version

build/ferretdb/development.Dockerfile

@@ -12,7 +12,8 @@ ARG LABEL_COMMIT
 
 # prepare stage
 
-FROM --platform=$BUILDPLATFORM golang:1.24.3 AS development-prepare
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM --platform=$BUILDPLATFORM golang:1.25.4-bookworm AS development-prepare
 
 # use a single directory for all Go caches to simplify RUN --mount commands below
 ENV GOPATH=/cache/gopath
@@ -36,7 +37,8 @@ EOF
 
 # build stage
 
-FROM golang:1.24.3 AS development-build
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM golang:1.25.4-bookworm AS development-build
 
 ARG TARGETARCH
 
@@ -103,7 +105,8 @@ COPY --from=development-build /src/bin/ferretdb /ferretdb
 
 # final stage
 
-FROM golang:1.24.3 AS development
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM golang:1.25.4-bookworm AS development
 
 ENV GOCOVERDIR=/tmp/cover
 ENV GORACE=halt_on_error=1,history_size=2

build/ferretdb/eval-dev.Dockerfile

@@ -12,7 +12,8 @@ ARG LABEL_COMMIT
 
 # prepare stage
 
-FROM --platform=$BUILDPLATFORM golang:1.24.3 AS eval-dev-prepare
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM --platform=$BUILDPLATFORM golang:1.25.4-bookworm AS eval-dev-prepare
 
 # use a single directory for all Go caches to simplify RUN --mount commands below
 ENV GOPATH=/cache/gopath
@@ -36,7 +37,8 @@ EOF
 
 # build stage
 
-FROM golang:1.24.3 AS eval-dev-build
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM golang:1.25.4-bookworm AS eval-dev-build
 
 ARG TARGETARCH
 
@@ -97,7 +99,7 @@ EOF
 # final stage
 
 # Use development image and full tag close to the release.
-FROM ghcr.io/ferretdb/postgres-documentdb-dev:17-0.103.0-ferretdb-2.2.0 AS eval-dev
+FROM ghcr.io/ferretdb/postgres-documentdb-dev:17-0.107.0-ferretdb-2.7.0 AS eval-dev
 
 # Use moving development image during development.
 # FROM ghcr.io/ferretdb/postgres-documentdb-dev:17-ferretdb AS eval-dev

build/ferretdb/eval.Dockerfile

@@ -12,7 +12,8 @@ ARG LABEL_COMMIT
 
 # prepare stage
 
-FROM --platform=$BUILDPLATFORM golang:1.24.3 AS eval-prepare
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM --platform=$BUILDPLATFORM golang:1.25.4-bookworm AS eval-prepare
 
 # use a single directory for all Go caches to simplify RUN --mount commands below
 ENV GOPATH=/cache/gopath
@@ -36,7 +37,8 @@ EOF
 
 # build stage
 
-FROM golang:1.24.3 AS eval-build
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM golang:1.25.4-bookworm AS eval-build
 
 ARG TARGETARCH
 
@@ -89,7 +91,7 @@ EOF
 # final stage
 
 # Use production image and full tag close to the release.
-FROM ghcr.io/ferretdb/postgres-documentdb:17-0.103.0-ferretdb-2.2.0 AS eval
+FROM ghcr.io/ferretdb/postgres-documentdb:17-0.107.0-ferretdb-2.7.0 AS eval
 
 # Use moving development image during development.
 # FROM ghcr.io/ferretdb/postgres-documentdb-dev:17-ferretdb AS eval

build/ferretdb/evaluation/supervisord.conf

@@ -1,11 +1,11 @@
-; https://supervisord.org/configuration.html
-
+; https://supervisord.org/configuration.html#supervisord-section-values
 [supervisord]
 nodaemon=true
-user=root
+loglevel=info
 logfile=/dev/stderr
 logfile_maxbytes=0
 
+; https://supervisord.org/configuration.html#program-x-section-values
 [program:postgres]
 command=/usr/local/bin/docker-entrypoint.sh postgres
 ; lower priority postgres starts before ferretdb (default priority 999)
@@ -16,6 +16,7 @@ stdout_logfile=/dev/stderr
 stdout_logfile_maxbytes=0
 redirect_stderr=true
 
+; https://supervisord.org/configuration.html#program-x-section-values
 [program:ferretdb]
 command=/usr/local/bin/ferretdb
 stdout_logfile=/dev/stderr

build/ferretdb/production.Dockerfile

@@ -12,7 +12,8 @@ ARG LABEL_COMMIT
 
 # prepare stage
 
-FROM --platform=$BUILDPLATFORM golang:1.24.3 AS production-prepare
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM --platform=$BUILDPLATFORM golang:1.25.4-bookworm AS production-prepare
 
 # use a single directory for all Go caches to simplify RUN --mount commands below
 ENV GOPATH=/cache/gopath
@@ -36,7 +37,8 @@ EOF
 
 # build stage
 
-FROM golang:1.24.3 AS production-build
+# TODO https://github.com/FerretDB/FerretDB/issues/5449
+FROM golang:1.25.4-bookworm AS production-build
 
 ARG TARGETARCH
 

build/mcphost.json

@@ -0,0 +1,8 @@
+{
+  "mcpServers": {
+    "FerretDB": {
+      "type": "remote",
+      "url": "http://127.0.0.1:8081/mcp"
+    }
+  }
+}

build/mongodb-secure.conf

@@ -1,3 +1,6 @@
+setParameter:
+  enableTestCommands: 1 # for sleep
+
 net:
   port: 47017 # matches host's port for replica set to work
   bindIpAll: true

build/mongodb.conf

@@ -1,3 +1,6 @@
+setParameter:
+  enableTestCommands: 1 # for sleep
+
 net:
   port: 37017 # matches host's port for replica set to work
   bindIpAll: true

build/version/documentdb.go

@@ -14,19 +14,35 @@
 
 package version
 
-const (
-	// PostgreSQL is a version of PostgreSQL this version of FerretDB is compatible with.
-	PostgreSQL = "PostgreSQL 17.5 (Debian 17.5-1.pgdg120+1) on x86_64-pc-linux-gnu, " +
-		"compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit"
+import "runtime"
 
+const (
 	// DocumentDB is a version of DocumentDB this version of FerretDB is compatible with.
-	DocumentDB = "0.103.0 gitref: HEAD sha:7514232 buildId:0"
+	DocumentDB = "0.107.0 gitref: HEAD sha:e63835403d buildId:0"
 
 	// DocumentDBURL points to the release page of the DocumentDB version above.
-	DocumentDBURL = "https://github.com/FerretDB/documentdb/releases/tag/v0.103.0-ferretdb-2.2.0"
+	DocumentDBURL = "https://github.com/FerretDB/documentdb/releases/tag/v0.107.0-ferretdb-2.7.0"
 )
 
 // DocumentDBSafeToUpdate represents versions of DocumentDB that FerretDB can update.
 var DocumentDBSafeToUpdate = []string{
-	"0.102.0 gitref: HEAD sha:80462f5 buildId:0", // v2.1.0
+	"0.102.0 gitref: HEAD sha:80462f5 buildId:0",    // v2.1.0
+	"0.103.0 gitref: HEAD sha:7514232 buildId:0",    // v2.2.0
+	"0.104.0 gitref: HEAD sha:2045d0e buildId:0",    // v2.3.0, v2.3.1
+	"0.105.0 gitref: HEAD sha:8453d93b buildId:0",   // v2.4.0
+	"0.106.0 gitref: HEAD sha:beb9d25d98 buildId:0", // v2.5.0
+	// FerretDB v2.6.0 wasn't released
+}
+
+// PostgreSQLTest is a version of PostgreSQL used by tests.
+var PostgreSQLTest string
+
+func init() {
+	arch := "x86_64-pc-linux-gnu"
+	if runtime.GOARCH == "arm64" {
+		arch = "aarch64-unknown-linux-gnu"
+	}
+
+	PostgreSQLTest = "PostgreSQL 17.6 (Debian 17.6-2.pgdg12+1) on " + arch + ", " +
+		"compiled by gcc (Debian 12.2.0-14+deb12u1) 12.2.0, 64-bit"
 }

build/version/version.go

@@ -93,7 +93,7 @@ const ferretdbModule = "github.com/FerretDB/FerretDB/v2"
 // semVerTag is a https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string,
 // but with a leading `v`.
 //
-//nolint:lll // for readibility
+//nolint:lll // for readability
 var semVerTag = regexp.MustCompile(`^v(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$`)
 
 // Get returns current build's info.

build/yugabytedb/init.sql

@@ -0,0 +1 @@
+CREATE EXTENSION IF NOT EXISTS documentdb CASCADE;

cmd/envtool/envtool.go

@@ -261,7 +261,7 @@ func main() {
 
 	switch cmd {
 	case "setup":
-		ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+		ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
 		defer cancel()
 
 		err = setup(ctx, logger)

cmd/envtool/fuzz.go

@@ -28,7 +28,7 @@ import (
 	"slices"
 	"strings"
 
-	"github.com/FerretDB/FerretDB/v2/internal/util/lazyerrors"
+	"github.com/AlekSi/lazyerrors"
 )
 
 // copyFile copies a file from src to dst, overwriting dst if it exists.

cmd/envtool/setup.go

@@ -23,12 +23,16 @@ import (
 	"net/url"
 	"time"
 
+	"github.com/AlekSi/lazyerrors"
+	"github.com/FerretDB/wire/wirebson"
+	"github.com/jackc/pgx/v5"
 	"github.com/prometheus/client_golang/prometheus"
 
+	"github.com/FerretDB/FerretDB/v2/internal/documentdb"
 	"github.com/FerretDB/FerretDB/v2/internal/util/ctxutil"
 	"github.com/FerretDB/FerretDB/v2/internal/util/debug"
-	"github.com/FerretDB/FerretDB/v2/internal/util/lazyerrors"
 	"github.com/FerretDB/FerretDB/v2/internal/util/logging"
+	"github.com/FerretDB/FerretDB/v2/internal/util/state"
 )
 
 // setupMongoDB configures MongoDB containers.
@@ -68,6 +72,84 @@ func setupMongoDB(ctx context.Context, logger *slog.Logger, uri, name string) er
 	return ctx.Err()
 }
 
+// setupUser waits for the given PostgreSQL URI to become available, and creates
+// an admin user with fixed credentials `username:password` using DocumentDB API.
+func setupUser(ctx context.Context, uri string, l *slog.Logger) error {
+	sp, err := state.NewProvider("")
+	if err != nil {
+		return lazyerrors.Error(err)
+	}
+
+	pool, err := documentdb.NewPool(uri, l, sp)
+	if err != nil {
+		return lazyerrors.Error(err)
+	}
+
+	defer pool.Close()
+
+	var retry int64
+
+	createUser := wirebson.MustDocument(
+		"createUser", "username",
+		"pwd", "password",
+		"roles", wirebson.MustArray(
+			wirebson.MustDocument(
+				"role", "clusterAdmin",
+				"db", "admin",
+			),
+			wirebson.MustDocument(
+				"role", "readWriteAnyDatabase",
+				"db", "admin",
+			),
+		),
+	)
+
+	var res wirebson.RawDocument
+
+	for ctx.Err() == nil {
+		err = pool.WithConn(func(conn *pgx.Conn) error {
+			res, err = documentdb.CreateUser(ctx, conn, l, createUser)
+			return err
+		})
+
+		if err == nil {
+			break
+		}
+
+		l.InfoContext(ctx, "Waiting for DocumentDB extension to be created")
+
+		retry++
+		ctxutil.SleepWithJitter(ctx, time.Second, retry)
+	}
+
+	if err != nil {
+		return lazyerrors.Error(err)
+	}
+
+	d, err := res.Decode()
+	if err != nil {
+		return lazyerrors.Error(err)
+	}
+
+	switch ok := d.Get("ok").(type) {
+	case float64:
+		if ok != float64(1) {
+			return lazyerrors.Errorf("Failed to create user: %s", d.LogMessage())
+		}
+	case int32:
+		// TODO https://github.com/FerretDB/FerretDB/issues/5313
+		if ok != int32(1) {
+			return lazyerrors.Errorf("Failed to create user: %s", d.LogMessage())
+		}
+	default:
+		panic("unexpected type")
+	}
+
+	l.InfoContext(ctx, "User created", slog.String("response", d.LogMessage()))
+
+	return nil
+}
+
 // setup runs all setup commands.
 func setup(ctx context.Context, logger *slog.Logger) error {
 	h, err := debug.Listen(&debug.ListenOpts{
@@ -79,12 +161,22 @@ func setup(ctx context.Context, logger *slog.Logger) error {
 		return lazyerrors.Error(err)
 	}
 
-	go h.Serve(ctx)
+	go h.Run(ctx)
 
 	if err = setupMongoDB(ctx, logger, "mongodb://username:password@127.0.0.1:47017/", "mongodb-secure"); err != nil {
 		return lazyerrors.Error(err)
 	}
 
+	uri := "postgres://pg-user:pg-pass@127.0.0.1:5432/postgres"
+	if err = setupUser(ctx, uri, logging.WithName(logger, "postgres")); err != nil {
+		return lazyerrors.Error(err)
+	}
+
+	uri = "postgres://pg-user:pg-pass@127.0.0.1:5433/yugabyte"
+	if err = setupUser(ctx, uri, logging.WithName(logger, "yugabytedb")); err != nil {
+		return lazyerrors.Error(err)
+	}
+
 	logger.InfoContext(ctx, "Done")
 	return nil
 }

cmd/envtool/tests.go

@@ -31,12 +31,12 @@ import (
 	"strings"
 	"time"
 
+	"github.com/AlekSi/lazyerrors"
 	"go.opentelemetry.io/otel"
 	otelattribute "go.opentelemetry.io/otel/attribute"
 	otelcodes "go.opentelemetry.io/otel/codes"
 	oteltrace "go.opentelemetry.io/otel/trace"
 
-	"github.com/FerretDB/FerretDB/v2/internal/util/lazyerrors"
 	"github.com/FerretDB/FerretDB/v2/internal/util/must"
 	"github.com/FerretDB/FerretDB/v2/internal/util/observability"
 )
@@ -72,7 +72,7 @@ type testResult struct {
 // listTestFuncs returns a sorted slice of all top-level test functions (tests, benchmarks, examples, fuzz functions)
 // matching given regular expression in the specified directory and subdirectories.
 func listTestFuncs(ctx context.Context, dir, re string, logger *slog.Logger) ([]string, error) {
-	ctx, span := otel.Tracer("").Start(ctx, "listTestFuncs")
+	ctx, span := otel.Tracer("").Start(ctx, "envtool.listTestFuncs")
 	defer span.End()
 
 	var buf bytes.Buffer
@@ -158,7 +158,7 @@ func shardTestFuncs(index, total uint, testFuncs []string) ([]string, error) {
 
 // testArgs handles `envtool tests run` arguments and returns a slice of `go test` arguments.
 func testArgs(ctx context.Context, dir string, index, total uint, run, skip string, logger *slog.Logger) ([]string, uint, error) {
-	ctx, span := otel.Tracer("").Start(ctx, "testArgs")
+	ctx, span := otel.Tracer("").Start(ctx, "envtool.testArgs")
 	defer span.End()
 
 	listRE := "."
@@ -309,7 +309,7 @@ func runGoTest(runCtx context.Context, opts *runGoTestOpts) (resErr error) {
 		totalTests = strconv.Itoa(int(opts.total))
 	}
 
-	runCtx, runSpan := otel.Tracer("").Start(runCtx, "run")
+	runCtx, runSpan := otel.Tracer("").Start(runCtx, "envtool.runGoTest")
 	runSpan.SetAttributes(otelattribute.String("db.ferretdb.envtool.total_tests", totalTests))
 	defer runSpan.End()
 
@@ -377,7 +377,6 @@ func runGoTest(runCtx context.Context, opts *runGoTestOpts) (resErr error) {
 				key = resultKey(event.Package, parentTest(event.Test))
 				parent := results[key]
 
-				// TODO https://github.com/FerretDB/FerretDB/issues/4465
 				if parent == nil {
 					panic(fmt.Sprintf(
 						"no parent test found: package=%q, test=%q, key=%q", event.Package, event.Test, key,
@@ -585,14 +584,14 @@ func testsRun(ctx context.Context, params *TestsRunParams, logger *slog.Logger)
 
 	ot, err := observability.NewOTelTraceExporter(&observability.OTelTraceExporterOpts{
 		Logger:  logger,
-		Service: "envtool-tests",
 		URL:     "http://127.0.0.1:4318/v1/traces",
+		Service: "envtool-tests",
 	})
 	if err != nil {
 		return lazyerrors.Error(err)
 	}
 
-	ctx, span := otel.Tracer("").Start(ctx, "testsRun")
+	ctx, span := otel.Tracer("").Start(ctx, "envtool.testsRun")
 
 	ctx, cancel := context.WithCancel(ctx)
 	done := make(chan struct{})

cmd/ferretdb/main.go

@@ -12,17 +12,16 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// Package main is the entry point for FerretDB server.
 package main
 
 import (
-	"cmp"
 	"context"
 	"encoding/json"
 	"expvar"
 	"fmt"
 	"log"
 	"log/slog"
-	"math"
 	"os"
 	"runtime"
 	runtimedebug "runtime/debug"
@@ -34,15 +33,11 @@ import (
 	"github.com/alecthomas/kong"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/common/expfmt"
-	"go.uber.org/automaxprocs/maxprocs"
 	_ "golang.org/x/crypto/x509roots/fallback" // register root TLS certificates for production Docker image
 
 	"github.com/FerretDB/FerretDB/v2/build/version"
 	"github.com/FerretDB/FerretDB/v2/internal/clientconn"
-	"github.com/FerretDB/FerretDB/v2/internal/clientconn/connmetrics"
-	"github.com/FerretDB/FerretDB/v2/internal/dataapi"
-	"github.com/FerretDB/FerretDB/v2/internal/documentdb"
-	"github.com/FerretDB/FerretDB/v2/internal/handler"
+	"github.com/FerretDB/FerretDB/v2/internal/handler/middleware"
 	"github.com/FerretDB/FerretDB/v2/internal/util/ctxutil"
 	"github.com/FerretDB/FerretDB/v2/internal/util/debug"
 	"github.com/FerretDB/FerretDB/v2/internal/util/devbuild"
@@ -50,6 +45,7 @@ import (
 	"github.com/FerretDB/FerretDB/v2/internal/util/logging"
 	"github.com/FerretDB/FerretDB/v2/internal/util/must"
 	"github.com/FerretDB/FerretDB/v2/internal/util/observability"
+	"github.com/FerretDB/FerretDB/v2/internal/util/setup"
 	"github.com/FerretDB/FerretDB/v2/internal/util/state"
 	"github.com/FerretDB/FerretDB/v2/internal/util/telemetry"
 )
@@ -78,6 +74,7 @@ var cli struct {
 		TLSKeyFile  string `default:""                help:"TLS key file path."`
 		TLSCaFile   string `default:""                help:"TLS CA file path."`
 		DataAPIAddr string `default:""                help:"Listen TCP address for HTTP Data API."`
+		MCPAddr     string `default:""                help:"Listen TCP address for HTTP MCP server."`
 	} `embed:"" prefix:"listen-" group:"Interfaces"`
 
 	Proxy struct {
@@ -102,7 +99,8 @@ var cli struct {
 	MetricsUUID bool `default:"false" help:"Add instance UUID to all metrics." group:"Miscellaneous" negatable:""`
 
 	OTel struct {
-		Traces struct {
+		ServiceName string `default:"ferretdb" help:"OpenTelemetry service name."`
+		Traces      struct {
 			URL string `default:"" help:"OpenTelemetry OTLP/HTTP traces endpoint URL (e.g. 'http://host:4318/v1/traces')."`
 		} `embed:"" prefix:"traces-"`
 	} `embed:"" prefix:"otel-" group:"Miscellaneous"`
@@ -137,14 +135,14 @@ var (
 	kongOptions = []kong.Option{
 		kong.Vars{
 			"default_log_level": defaultLogLevel().String(),
-			"default_mode":      clientconn.AllModes[0],
+			"default_mode":      middleware.AllModes[0],
 
 			"enum_log_format": strings.Join(logFormats, ","),
-			"enum_mode":       strings.Join(clientconn.AllModes, ","),
+			"enum_mode":       strings.Join(middleware.AllModes, ","),
 
 			"help_log_format": fmt.Sprintf("Log format: '%s'.", strings.Join(logFormats, "', '")),
 			"help_log_level":  fmt.Sprintf("Log level: '%s'.", strings.Join(logLevels, "', '")),
-			"help_mode":       fmt.Sprintf("Operation mode: '%s'.", strings.Join(clientconn.AllModes, "', '")),
+			"help_mode":       fmt.Sprintf("Operation mode: '%s'.", strings.Join(middleware.AllModes, "', '")),
 			"help_telemetry":  "Enable or disable basic telemetry reporting. See https://beacon.ferretdb.com.",
 		},
 		kong.DefaultEnvars("FERRETDB"),
@@ -248,7 +246,23 @@ func setupDefaultLogger(format string, uuid string) *slog.Logger {
 }
 
 // checkFlags checks that CLI flags are not self-contradictory and produces warnings if needed.
+// It also replaces "-" with "" for some flags to make it easier to configure FerretDB with environment variables.
 func checkFlags(logger *slog.Logger) {
+	// keep in sync with documentation
+	for _, p := range []*string{
+		&cli.Listen.Addr,
+		&cli.Listen.Unix,
+		&cli.Listen.TLS,
+		&cli.Listen.DataAPIAddr,
+		&cli.Listen.MCPAddr,
+		&cli.DebugAddr,
+		&cli.OTel.Traces.URL,
+	} {
+		if *p == "-" {
+			*p = ""
+		}
+	}
+
 	ctx := context.Background()
 
 	if devbuild.Enabled {
@@ -262,6 +276,13 @@ func checkFlags(logger *slog.Logger) {
 	if !cli.Auth {
 		logger.WarnContext(ctx, "Authentication is disabled; the server will accept any connection")
 	}
+
+	if cli.Auth && cli.Listen.MCPAddr != "" {
+		logger.Log(
+			ctx, logging.LevelFatal,
+			"MCP server does not support authentication; please disable authentication or MCP server",
+		)
+	}
 }
 
 // dumpMetrics dumps all Prometheus metrics to stderr.
@@ -352,19 +373,6 @@ func run() {
 
 	checkFlags(logger)
 
-	maxprocsOpts := []maxprocs.Option{
-		maxprocs.Min(2),
-		maxprocs.RoundQuotaFunc(func(v float64) int {
-			return int(math.Ceil(v))
-		}),
-		maxprocs.Logger(func(format string, a ...any) {
-			logger.Info(fmt.Sprintf(format, a...))
-		}),
-	}
-	if _, err = maxprocs.Set(maxprocsOpts...); err != nil {
-		logger.Warn("Failed to set GOMAXPROCS", logging.Error(err))
-	}
-
 	ctx, stop := ctxutil.SigTerm(context.Background())
 
 	go func() {
@@ -380,7 +388,7 @@ func run() {
 
 	var wg sync.WaitGroup
 
-	if cmp.Or(cli.DebugAddr, "-") != "-" {
+	if cli.DebugAddr != "" {
 		wg.Add(1)
 
 		go func() {
@@ -409,11 +417,11 @@ func run() {
 				l.LogAttrs(ctx, logging.LevelFatal, "Failed to create debug handler", logging.Error(e))
 			}
 
-			h.Serve(ctx)
+			h.Run(ctx)
 		}()
 	}
 
-	if cmp.Or(cli.OTel.Traces.URL, "-") != "-" {
+	if cli.OTel.Traces.URL != "" {
 		wg.Add(1)
 
 		go func() {
@@ -423,9 +431,8 @@ func run() {
 
 			ot, e := observability.NewOTelTraceExporter(&observability.OTelTraceExporterOpts{
 				Logger:  l,
-				Service: "ferretdb",
-				Version: version.Get().Version,
 				URL:     cli.OTel.Traces.URL,
+				Service: cli.OTel.ServiceName,
 			})
 			if e != nil {
 				l.LogAttrs(ctx, logging.LevelFatal, "Failed to create Otel tracer", logging.Error(e))
@@ -435,7 +442,7 @@ func run() {
 		}()
 	}
 
-	lm := connmetrics.NewListenerMetrics()
+	mm := middleware.NewMetrics()
 
 	{
 		wg.Add(1)
@@ -452,7 +459,7 @@ func run() {
 				DNT:            os.Getenv("DO_NOT_TRACK"),
 				ExecName:       os.Args[0],
 				P:              stateProvider,
-				ConnMetrics:    lm.ConnMetrics,
+				Metrics:        mm,
 				L:              l,
 				UndecidedDelay: cli.Dev.Telemetry.UndecidedDelay,
 				ReportInterval: cli.Dev.Telemetry.ReportInterval,
@@ -465,97 +472,44 @@ func run() {
 		}()
 	}
 
-	p, err := documentdb.NewPool(cli.PostgreSQLURL, logging.WithName(logger, "pool"), stateProvider)
-	if err != nil {
-		logger.LogAttrs(ctx, logging.LevelFatal, "Failed to construct pool", logging.Error(err))
-	}
-
-	tcpAddr := cli.Listen.Addr
-	if cmp.Or(tcpAddr, "-") == "-" {
-		tcpAddr = ""
-	}
-
-	unixAddr := cli.Listen.Unix
-	if cmp.Or(unixAddr, "-") == "-" {
-		unixAddr = ""
-	}
-
-	tlsAddr := cli.Listen.TLS
-	if cmp.Or(tlsAddr, "-") == "-" {
-		tlsAddr = ""
-	}
-
-	handlerOpts := &handler.NewOpts{
-		Pool: p,
-		Auth: cli.Auth,
-
-		TCPHost:     tcpAddr,
-		ReplSetName: cli.Dev.ReplSetName,
-
-		L:             logging.WithName(logger, "handler"),
-		ConnMetrics:   lm.ConnMetrics,
+	//exhaustruct:enforce
+	res := setup.Setup(ctx, &setup.SetupOpts{
+		Logger:        logger,
 		StateProvider: stateProvider,
-	}
+		Metrics:       mm,
 
-	h, err := handler.New(handlerOpts)
-	if err != nil {
-		p.Close()
-		handlerOpts.L.LogAttrs(ctx, logging.LevelFatal, "Failed to construct handler", logging.Error(err))
-	}
+		PostgreSQLURL:          cli.PostgreSQLURL,
+		Auth:                   cli.Auth,
+		ReplSetName:            cli.Dev.ReplSetName,
+		SessionCleanupInterval: 0,
 
-	lis, err := clientconn.Listen(&clientconn.ListenerOpts{
-		Handler: h,
-		Metrics: lm,
-		Logger:  logger,
-
-		TCP:  tcpAddr,
-		Unix: unixAddr,
-
-		TLS:         tlsAddr,
-		TLSCertFile: cli.Listen.TLSCertFile,
-		TLSKeyFile:  cli.Listen.TLSKeyFile,
-		TLSCAFile:   cli.Listen.TLSCaFile,
-
-		Mode:             clientconn.Mode(cli.Mode),
 		ProxyAddr:        cli.Proxy.Addr,
 		ProxyTLSCertFile: cli.Proxy.TLSCertFile,
 		ProxyTLSKeyFile:  cli.Proxy.TLSKeyFile,
 		ProxyTLSCAFile:   cli.Proxy.TLSCaFile,
 
+		TCPAddr:        cli.Listen.Addr,
+		UnixAddr:       cli.Listen.Unix,
+		TLSAddr:        cli.Listen.TLS,
+		TLSCertFile:    cli.Listen.TLSCertFile,
+		TLSKeyFile:     cli.Listen.TLSKeyFile,
+		TLSCAFile:      cli.Listen.TLSCaFile,
+		Mode:           middleware.Mode(cli.Mode),
 		TestRecordsDir: cli.Dev.RecordsDir,
+
+		DataAPIAddr: cli.Listen.DataAPIAddr,
+
+		MCPAddr: cli.Listen.MCPAddr,
 	})
-	if err != nil {
-		p.Close()
-		logger.LogAttrs(ctx, logging.LevelFatal, "Failed to construct listener", logging.Error(err))
+	if res == nil {
+		os.Exit(1)
 	}
 
-	if cmp.Or(cli.Listen.DataAPIAddr, "-") != "-" {
-		wg.Add(1)
+	listener.Store(res.WireListener)
 
-		go func() {
-			defer wg.Done()
+	metricsRegisterer.MustRegister(res)
 
-			l := logging.WithName(logger, "dataapi")
-
-			lis, e := dataapi.Listen(&dataapi.ListenOpts{
-				TCPAddr: cli.Listen.DataAPIAddr,
-				L:       l,
-				Handler: h,
-			})
-			if e != nil {
-				p.Close()
-				l.LogAttrs(ctx, logging.LevelFatal, "Failed to construct DataAPI listener", logging.Error(e))
-			}
-
-			lis.Run(ctx)
-		}()
-	}
-
-	listener.Store(lis)
-
-	metricsRegisterer.MustRegister(lis)
-
-	lis.Run(ctx)
+	res.Run(ctx)
 
 	wg.Wait()
 

cmd/ferretdb/main_test.go

@@ -39,7 +39,7 @@ func TestVersion(t *testing.T) {
 	ctx, cancel := context.WithTimeout(testutil.Ctx(t), 5*time.Second)
 	t.Cleanup(cancel)
 
-	bin := filepath.Join("..", "..", "bin", "ferretdb")
+	bin := filepath.Join(testutil.BinDir, "ferretdb")
 
 	cmd := exec.CommandContext(ctx, bin, "--version")
 	b, err := cmd.Output()

cmd/ferretdb/readyz.go

@@ -15,7 +15,6 @@
 package main
 
 import (
-	"cmp"
 	"context"
 	"fmt"
 	"log/slog"
@@ -39,7 +38,7 @@ type ReadyZ struct {
 func (r *ReadyZ) Probe(ctx context.Context) bool {
 	var urls []string
 
-	if cmp.Or(cli.Listen.Addr, "-") != "-" {
+	if cli.Listen.Addr != "" {
 		host, port, err := net.SplitHostPort(cli.Listen.Addr)
 		if err != nil {
 			r.l.ErrorContext(ctx, "Getting host and port failed", logging.Error(err))
@@ -59,12 +58,12 @@ func (r *ReadyZ) Probe(ctx context.Context) bool {
 		urls = append(urls, u.String())
 	}
 
-	if cmp.Or(cli.Listen.TLS, "-") != "-" {
+	if cli.Listen.TLS != "" {
 		// TODO https://github.com/FerretDB/FerretDB/issues/4427
 		r.l.WarnContext(ctx, "TLS ping is not implemented yet")
 	}
 
-	if cmp.Or(cli.Listen.Unix, "-") != "-" {
+	if cli.Listen.Unix != "" {
 		urls = append(urls, "mongodb://"+url.PathEscape(cli.Listen.Unix))
 	}
 
@@ -76,7 +75,13 @@ func (r *ReadyZ) Probe(ctx context.Context) bool {
 	for _, u := range urls {
 		r.l.DebugContext(ctx, fmt.Sprintf("Pinging %s", u))
 
-		conn, err := wireclient.Connect(ctx, u, r.l)
+		cleanUri, _, _, _, err := wireclient.Credentials(u)
+		if err != nil {
+			r.l.ErrorContext(ctx, "Getting credentials failed", logging.Error(err))
+			return false
+		}
+
+		conn, err := wireclient.Connect(ctx, cleanUri, r.l)
 		if err != nil {
 			r.l.ErrorContext(ctx, "Connection failed", logging.Error(err))
 			return false

docker-compose.override.yml.example

@@ -1,4 +0,0 @@
----
-services:
-  postgres:
-    platform: linux/amd64

docker-compose.yml

@@ -20,12 +20,38 @@ services:
     environment:
       # UTC−03:30/−02:30. Set to catch timezone problems.
       - TZ=America/St_Johns
-      - POSTGRES_USER=username
-      - POSTGRES_PASSWORD=password
+      - POSTGRES_USER=pg-user
+      - POSTGRES_PASSWORD=pg-pass
       - POSTGRES_DB=postgres
     volumes:
       - ./build/testscripts:/testscripts
 
+  yugabytedb:
+    build:
+      context: ./build/deps
+      dockerfile: yugabytedb.Dockerfile
+    container_name: ferretdb_yugabytedb
+    platform: linux/amd64 # TODO https://github.com/FerretDB/FerretDB/issues/5369
+    # postgresql.conf is populated by "ysql_pg_conf_csv" flag
+    # https://docs.yugabyte.com/preview/reference/configuration/yugabyted/#pass-additional-flags-to-yb-master-and-yb-tserver
+    command: >
+      bin/yugabyted start
+      --background=false
+      --initial_scripts_dir=/yugabytedb
+      --ysql_enable_auth=true
+      --master_flags="allowed_preview_flags_csv=ysql_enable_documentdb,ysql_enable_documentdb=true,enable_pg_cron=true,ysql_pg_conf_csv={documentdb.enableUserCrud = true,documentdb.maxUserLimit = 100}"
+      --tserver_flags="allowed_preview_flags_csv=ysql_enable_documentdb,ysql_enable_documentdb=true,enable_pg_cron=true,ysql_pg_conf_csv={documentdb.enableUserCrud = true,documentdb.maxUserLimit = 100}"
+    ports:
+      - 5433:5433
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    environment:
+      - YSQL_USER=pg-user # this user cannot authenticate against FerretDB
+      - YSQL_PASSWORD=pg-pass
+      - YSQL_DB=yugabyte # DocumentDB extension is installed in yugabyte database
+    volumes:
+      - ./build/yugabytedb/init.sql:/yugabytedb/init.sql
+
   mongodb:
     build:
       context: ./build/deps

ferretdb/ferretdb.go

@@ -17,14 +17,11 @@
 // See [`build/version` package documentation]
 // for information about Go build tags that affect this package.
 //
-// # Telemetry
-//
-// Please note that the current version of the embeddable package does not allow [telemetry] configuration –
-// it is always set to the `undecided` state. That limitation will be removed [in the future].
+// See [telemetry documentation] for basic anonymous usage data we collect.
+// You can set [Config]'s Telemetry field to disable or explicitly enable it.
 //
 // [`build/version` package documentation]: https://pkg.go.dev/github.com/FerretDB/FerretDB/v2/build/version
-// [telemetry]: https://docs.ferretdb.io/telemetry/
-// [in the future]: https://github.com/FerretDB/FerretDB/issues/4750
+// [telemetry documentation]: https://docs.ferretdb.io/telemetry/
 package ferretdb
 
 import (
@@ -38,11 +35,9 @@ import (
 	"time"
 
 	"github.com/FerretDB/FerretDB/v2/build/version"
-	"github.com/FerretDB/FerretDB/v2/internal/clientconn"
-	"github.com/FerretDB/FerretDB/v2/internal/clientconn/connmetrics"
-	"github.com/FerretDB/FerretDB/v2/internal/documentdb"
-	"github.com/FerretDB/FerretDB/v2/internal/handler"
+	"github.com/FerretDB/FerretDB/v2/internal/handler/middleware"
 	"github.com/FerretDB/FerretDB/v2/internal/util/logging"
+	"github.com/FerretDB/FerretDB/v2/internal/util/setup"
 	"github.com/FerretDB/FerretDB/v2/internal/util/state"
 	"github.com/FerretDB/FerretDB/v2/internal/util/telemetry"
 )
@@ -67,26 +62,24 @@ type Config struct {
 
 	// Defaults to [io.Discard], effectively disabling logging.
 	LogOutput io.Writer
+
+	// Defaults to undecided.
+	// Set to `true` to enable telemetry, `false` to disable it.
+	// See https://docs.ferretdb.io/telemetry/.
+	Telemetry *bool
 }
 
 // FerretDB represents an instance of embedded FerretDB implementation.
 type FerretDB struct {
-	tl  *telemetry.Reporter
-	lis *clientconn.Listener
+	tr  *telemetry.Reporter
+	res *setup.SetupResult
 }
 
 // New creates a new instance of embedded FerretDB implementation.
 func New(config *Config) (*FerretDB, error) {
 	version.Get().Package = "embedded"
 
-	sp, err := state.NewProviderDir(config.StateDir)
-	if err == nil {
-		// TODO https://github.com/FerretDB/FerretDB/issues/4750
-		err = sp.Update(func(s *state.State) {
-			s.TelemetryLocked = true
-		})
-	}
-
+	stateProvider, err := state.NewProviderDir(config.StateDir)
 	if err != nil {
 		return nil, fmt.Errorf("failed to set up state provider: %w", err)
 	}
@@ -111,16 +104,16 @@ func New(config *Config) (*FerretDB, error) {
 	}
 	logger := logging.WithName(logging.Logger(logOutput, lOpts, ""), "ferretdb")
 
-	lm := connmetrics.NewListenerMetrics()
+	mm := middleware.NewMetrics()
 
 	tr, err := telemetry.NewReporter(&telemetry.NewReporterOpts{
 		URL:            "https://beacon.ferretdb.com/",
 		Dir:            config.StateDir,
-		F:              new(telemetry.Flag),
+		F:              telemetry.NewFlag(config.Telemetry),
 		DNT:            os.Getenv("DO_NOT_TRACK"),
 		ExecName:       os.Args[0],
-		P:              sp,
-		ConnMetrics:    lm.ConnMetrics,
+		P:              stateProvider,
+		Metrics:        mm,
 		L:              logging.WithName(logger, "telemetry"),
 		UndecidedDelay: time.Hour,
 		ReportInterval: 24 * time.Hour,
@@ -129,46 +122,42 @@ func New(config *Config) (*FerretDB, error) {
 		return nil, fmt.Errorf("failed to create telemetry reporter: %w", err)
 	}
 
-	p, err := documentdb.NewPool(config.PostgreSQLURL, logging.WithName(logger, "pool"), sp)
-	if err != nil {
-		return nil, fmt.Errorf("failed to construct pool: %w", err)
-	}
+	//exhaustruct:enforce
+	res := setup.Setup(context.TODO(), &setup.SetupOpts{
+		Logger:        logger,
+		StateProvider: stateProvider,
+		Metrics:       mm,
 
-	handlerOpts := &handler.NewOpts{
-		Pool: p,
-		Auth: false,
+		PostgreSQLURL:          config.PostgreSQLURL,
+		Auth:                   false,
+		ReplSetName:            "",
+		SessionCleanupInterval: 0,
 
-		TCPHost:     "",
-		ReplSetName: "",
+		ProxyAddr:        "",
+		ProxyTLSCertFile: "",
+		ProxyTLSKeyFile:  "",
+		ProxyTLSCAFile:   "",
 
-		L:             logging.WithName(logger, "handler"),
-		ConnMetrics:   lm.ConnMetrics,
-		StateProvider: sp,
-	}
+		TCPAddr:        config.ListenAddr,
+		UnixAddr:       "",
+		TLSAddr:        "",
+		TLSCertFile:    "",
+		TLSKeyFile:     "",
+		TLSCAFile:      "",
+		Mode:           middleware.NormalMode,
+		TestRecordsDir: "",
 
-	h, err := handler.New(handlerOpts)
-	if err != nil {
-		p.Close()
-		return nil, fmt.Errorf("failed to construct handler: %w", err)
-	}
+		DataAPIAddr: "",
 
-	lis, err := clientconn.Listen(&clientconn.ListenerOpts{
-		Handler: h,
-		Metrics: lm,
-		Logger:  logger,
-
-		TCP: config.ListenAddr,
-
-		Mode: clientconn.NormalMode,
+		MCPAddr: "",
 	})
-	if err != nil {
-		p.Close()
-		return nil, fmt.Errorf("failed to construct listener: %w", err)
+	if res == nil {
+		return nil, fmt.Errorf("failed to create FerretDB")
 	}
 
 	return &FerretDB{
-		tl:  tr,
-		lis: lis,
+		tr:  tr,
+		res: res,
 	}, nil
 }
 
@@ -185,14 +174,14 @@ func (f *FerretDB) Run(ctx context.Context) {
 
 	go func() {
 		defer wg.Done()
-		f.tl.Run(ctx)
+		f.tr.Run(ctx)
 	}()
 
 	wg.Add(1)
 
 	go func() {
 		defer wg.Done()
-		f.lis.Run(ctx)
+		f.res.Run(ctx)
 	}()
 
 	wg.Wait()
@@ -202,7 +191,7 @@ func (f *FerretDB) Run(ctx context.Context) {
 func (f *FerretDB) MongoDBURI() string {
 	u := &url.URL{
 		Scheme: "mongodb",
-		Host:   f.lis.TCPAddr().String(),
+		Host:   f.res.WireListener.TCPAddr().String(),
 		Path:   "/",
 	}
 

ferretdb/ferretdb_test.go

@@ -89,7 +89,7 @@ func TestFerretDB(t *testing.T) {
 		ListenAddr:    "127.0.0.1:0",
 		StateDir:      t.TempDir(),
 		LogLevel:      slog.LevelDebug,
-		LogOutput:     testutil.NewLogWriter(t),
+		LogOutput:     t.Output(),
 	})
 	require.NoError(t, err)
 

go.mod

@@ -1,68 +1,73 @@
 module github.com/FerretDB/FerretDB/v2
 
-go 1.24
+go 1.25
 
-toolchain go1.24.3
+toolchain go1.25.4
+
+// replace github.com/FerretDB/wire => ../wire
 
 require (
+	github.com/AlekSi/lazyerrors v0.0.0-20251102120325-67e66cc79778
 	github.com/AlekSi/pointer v1.2.0
-	github.com/FerretDB/wire v0.0.24
-	github.com/alecthomas/kong v1.10.0
-	github.com/arl/statsviz v0.6.0
+	github.com/FerretDB/wire v0.1.7
+	github.com/alecthomas/kong v1.12.1
+	github.com/arl/statsviz v0.7.2
 	github.com/google/uuid v1.6.0
-	github.com/jackc/pgerrcode v0.0.0-20240316143900-6e2875d9b438
-	github.com/jackc/pgx/v5 v5.7.4
-	github.com/oapi-codegen/runtime v1.1.1
+	github.com/jackc/pgerrcode v0.0.0-20250907135507-afb5586c32a6
+	github.com/jackc/pgx/v5 v5.7.6
+	github.com/modelcontextprotocol/go-sdk v0.2.0
+	github.com/oapi-codegen/runtime v1.1.2
 	github.com/pmezard/go-difflib v1.0.0
-	github.com/prometheus/client_golang v1.21.1
-	github.com/prometheus/client_model v0.6.1
-	github.com/prometheus/common v0.63.0
-	github.com/stretchr/testify v1.10.0
+	github.com/prometheus/client_golang v1.23.2
+	github.com/prometheus/client_model v0.6.2
+	github.com/prometheus/common v0.67.2
+	github.com/stretchr/testify v1.11.1
 	github.com/xdg-go/scram v1.1.2
-	go.mongodb.org/mongo-driver/v2 v2.2.0
-	go.opentelemetry.io/otel v1.35.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.35.0
-	go.opentelemetry.io/otel/sdk v1.35.0
-	go.opentelemetry.io/otel/trace v1.35.0
-	go.uber.org/automaxprocs v1.6.0
-	golang.org/x/crypto/x509roots/fallback v0.0.0-20250406160420-959f8f3db0fb
-	golang.org/x/net v0.39.0
-	golang.org/x/sys v0.32.0
-	golang.org/x/term v0.31.0
+	go.mongodb.org/mongo-driver/v2 v2.4.0
+	go.opentelemetry.io/otel v1.38.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0
+	go.opentelemetry.io/otel/sdk v1.38.0
+	go.opentelemetry.io/otel/trace v1.38.0
+	golang.org/x/crypto/x509roots/fallback v0.0.0-20251028130051-c0531f9c3451
+	golang.org/x/net v0.46.0
+	golang.org/x/sys v0.38.0
+	golang.org/x/term v0.36.0
 )
 
 require (
 	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
-	github.com/gorilla/websocket v1.5.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
-	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
-	go.mongodb.org/mongo-driver v1.17.3 // indirect
+	go.mongodb.org/mongo-driver v1.17.4 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 // indirect
-	go.opentelemetry.io/otel/metric v1.35.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
-	golang.org/x/crypto v0.37.0 // indirect
-	golang.org/x/sync v0.13.0 // indirect
-	golang.org/x/text v0.24.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/grpc v1.71.0 // indirect
-	google.golang.org/protobuf v1.36.5 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 // indirect
+	go.opentelemetry.io/otel/metric v1.38.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.7.1 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/crypto v0.43.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/text v0.30.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250825161204-c5933d9347a5 // indirect
+	google.golang.org/grpc v1.75.0 // indirect
+	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,31 +1,33 @@
+github.com/AlekSi/lazyerrors v0.0.0-20251102120325-67e66cc79778 h1:Hv1Z0ZnUWI1NYHXKUE16SWUcv+VyFARJHQ6dGkd2TIM=
+github.com/AlekSi/lazyerrors v0.0.0-20251102120325-67e66cc79778/go.mod h1:S8uLHjY/2pJvG9qkWwDX1AVYYknPI92r2qh/f0uysr0=
 github.com/AlekSi/pointer v1.2.0 h1:glcy/gc4h8HnG2Z3ZECSzZ1IX1x2JxRVuDzaJwQE0+w=
 github.com/AlekSi/pointer v1.2.0/go.mod h1:gZGfd3dpW4vEc/UlyfKKi1roIqcCgwOIvb0tSNSBle0=
-github.com/FerretDB/wire v0.0.24 h1:UI4K50cSlfTO2uXnUuX+9OVRRoWUSVdbBbECTS2FRKU=
-github.com/FerretDB/wire v0.0.24/go.mod h1:TGo7jrzJkJjug8KVSOc3W/eyEUzcBym81D3MOEnyzOc=
+github.com/FerretDB/wire v0.1.7 h1:yh6tL0rU8ub+KuKqiqTlFJGpdfL4V7kg/8PBPDX0sBE=
+github.com/FerretDB/wire v0.1.7/go.mod h1:KjV8URsECCZWwJBBzlTvyl9LEXvnE362tL4tg52VHXI=
 github.com/RaveNoX/go-jsoncommentstrip v1.0.0/go.mod h1:78ihd09MekBnJnxpICcwzCMzGrKSKYe4AqU6PDYYpjk=
 github.com/alecthomas/assert/v2 v2.11.0 h1:2Q9r3ki8+JYXvGsDyBXwH3LcJ+WK5D0gc5E8vS6K3D0=
 github.com/alecthomas/assert/v2 v2.11.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
-github.com/alecthomas/kong v1.10.0 h1:8K4rGDpT7Iu+jEXCIJUeKqvpwZHbsFRoebLbnzlmrpw=
-github.com/alecthomas/kong v1.10.0/go.mod h1:p2vqieVMeTAnaC83txKtXe8FLke2X07aruPWXyMPQrU=
+github.com/alecthomas/kong v1.12.1 h1:iq6aMJDcFYP9uFrLdsiZQ2ZMmcshduyGv4Pek0MQPW0=
+github.com/alecthomas/kong v1.12.1/go.mod h1:p2vqieVMeTAnaC83txKtXe8FLke2X07aruPWXyMPQrU=
 github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
 github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/apapsch/go-jsonmerge/v2 v2.0.0 h1:axGnT1gRIfimI7gJifB699GoE/oq+F2MU7Dml6nw9rQ=
 github.com/apapsch/go-jsonmerge/v2 v2.0.0/go.mod h1:lvDnEdqiQrp0O42VQGgmlKpxL1AP2+08jFMw88y4klk=
-github.com/arl/statsviz v0.6.0 h1:jbW1QJkEYQkufd//4NDYRSNBpwJNrdzPahF7ZmoGdyE=
-github.com/arl/statsviz v0.6.0/go.mod h1:0toboo+YGSUXDaS4g1D5TVS4dXs7S7YYT5J/qnW2h8s=
+github.com/arl/statsviz v0.7.2 h1:xnuIfRiXE4kvxEcfGL+IE3mKH1BXNHuE+eJELIh7oOA=
+github.com/arl/statsviz v0.7.2/go.mod h1:XlrbiT7xYT03xaW9JMMfD8KFUhBOESJwfyNJu83PbB0=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bmatcuk/doublestar v1.1.1/go.mod h1:UD6OnuiIn0yFxxA2le/rnRU1G4RaI4UvFv1sNto9p6w=
-github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
-github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
+github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
-github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
@@ -36,137 +38,141 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
-github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 h1:e9Rjr40Z98/clHv5Yg79Is0NtosR5LXRvdr7o/6NwbA=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1/go.mod h1:tIxuGz/9mpox++sgp9fJjHO0+q1X9/UOWd798aAm22M=
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2 h1:8Tjv8EJ+pM1xP8mK6egEbD1OgnVTyacbefKhmbLhIhU=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2/go.mod h1:pkJQ2tZHJ0aFOVEEot6oZmaVEZcRme73eIFmhiVuRWs=
 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
 github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
-github.com/jackc/pgerrcode v0.0.0-20240316143900-6e2875d9b438 h1:Dj0L5fhJ9F82ZJyVOmBx6msDp/kfd1t9GRfny/mfJA0=
-github.com/jackc/pgerrcode v0.0.0-20240316143900-6e2875d9b438/go.mod h1:a/s9Lp5W7n/DD0VrVoyJ00FbP2ytTPDVOivvn2bMlds=
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 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
-golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
+golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
+golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
-golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
-golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
+golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.31.0 h1:erwDkOK1Msy6offm1mOgvspSkslFnIGsFnxOKoufg3o=
-golang.org/x/term v0.31.0/go.mod h1:R4BeIy7D95HzImkxGkTW1UQTtP54tio2RyHz7PwK0aw=
+golang.org/x/term v0.36.0 h1:zMPR+aF8gfksFprF/Nc/rd1wRS1EI6nDBGyWAvDzx2Q=
+golang.org/x/term v0.36.0/go.mod h1:Qu394IJq6V6dCBRgwqshf3mPF85AqzYEzofzRdZkWss=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
+golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
+golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a h1:nwKuGPlUAt+aR+pcrkfFRrTU1BVrSmYyYMxYbUIVHr0=
-google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a/go.mod h1:3kWAYMk1I75K4vykHtKt2ycnOgpA6974V7bREqbsenU=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a h1:51aaUVRocpvUOSQKM6Q7VuoaktNIaMCLuhZB6DKksq4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a/go.mod h1:uRxBH1mhmO8PGhU89cMcHaXKZqO+OfakD8QQO0oYwlQ=
-google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
-google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
-google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
-google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
+google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5 h1:BIRfGDEjiHRrk0QKZe3Xv2ieMhtgRGeLcZQ0mIVn4EY=
+google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5/go.mod h1:j3QtIyytwqGr1JUDtYXwtMXWPKsEa5LtzIFN1Wn5WvE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250825161204-c5933d9347a5 h1:eaY8u2EuxbRv7c3NiGK0/NedzVsCcV6hDuU5qPX5EGE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250825161204-c5933d9347a5/go.mod h1:M4/wBTSeyLxupu3W3tJtOgB14jILAS/XWPSSa3TAlJc=
+google.golang.org/grpc v1.75.0 h1:+TW+dqTd2Biwe6KKfhE5JpiYIBWq865PhKGSXiivqt4=
+google.golang.org/grpc v1.75.0/go.mod h1:JtPAzKiq4v1xcAB2hydNlWI2RnF85XXcV0mhKXr2ecQ=
+google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

integration/.golangci.yml

@@ -107,7 +107,7 @@ linters-settings:
         alias: otelsdkresource
       - pkg: go.opentelemetry.io/otel/sdk/trace
         alias: otelsdktrace
-      - pkg: go.opentelemetry.io/otel/semconv/v1.21.0
+      - pkg: go.opentelemetry.io/otel/semconv/v1.34.0
         alias: otelsemconv
   # ineffassign
   lll:

integration/aggregate_compat_test.go

@@ -1619,12 +1619,14 @@ func TestAggregateCompatSort(t *testing.T) {
 			}}}},
 		},
 
-		"DotNotationIndex": {
-			pipeline: bson.A{bson.D{{"$sort", bson.D{
-				{"v.0", 1},
-				{"_id", 1}, // sort by _id when v is the same.
-			}}}},
-		},
+		// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/355
+		// "DotNotationIndex": {
+		// 	pipeline: bson.A{bson.D{{"$sort", bson.D{
+		// 		{"v.0", 1},
+		// 		{"_id", 1}, // sort by _id when v is the same.
+		// 	}}}},
+		// },
+
 		"DotNotationNonExistent": {
 			pipeline: bson.A{bson.D{{"$sort", bson.D{
 				{"invalid.foo", 1},

integration/aggregate_test.go

@@ -1327,6 +1327,7 @@ func TestAggregateCommandCursor(t *testing.T) {
 				Name:    "FailedToParse",
 				Message: "The 'cursor' option is required, except for aggregate with the explain argument",
 			},
+			altMessage: "The 'cursor' option is required, except for aggregate with explain",
 		},
 		"Empty": {
 			cursor:     bson.D{},

integration/auth/create_user_test.go

@@ -148,10 +148,10 @@ func TestCreateUserCommand(t *testing.T) {
 		},
 		"MissingPwdOrExternal": {
 			payload: bson.D{
-				{"createUser", "mising_pwd_or_external"},
+				{"createUser", "missing_pwd_or_external"},
 				{"roles", bson.A{}},
 			},
-			user: "mising_pwd_or_external",
+			user: "missing_pwd_or_external",
 			err: &mongo.CommandError{
 				Code:    2,
 				Name:    "BadValue",
@@ -178,7 +178,7 @@ func TestCreateUserCommand(t *testing.T) {
 					{Key: "serverKey"},
 				}},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"SuccessWithSCRAMSHA256": {
 			payload: bson.D{
@@ -200,7 +200,7 @@ func TestCreateUserCommand(t *testing.T) {
 					{Key: "serverKey"},
 				}},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"WithComment": {
 			payload: bson.D{
@@ -222,7 +222,7 @@ func TestCreateUserCommand(t *testing.T) {
 					{Key: "serverKey"},
 				}},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"MissingRoles": {
 			payload: bson.D{

integration/auth/drop_user_test.go

@@ -57,14 +57,14 @@ func TestDropUserCommand(t *testing.T) {
 				Name:    "UserNotFound",
 				Message: fmt.Sprintf("User 'not_found_user@%s' not found", db.Name()),
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/942",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5323",
 		},
 		"Success": {
 			username: "a_user",
 			expected: bson.D{
 				{"ok", float64(1)},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 	}
 

integration/auth/update_user_test.go

@@ -146,7 +146,7 @@ func TestUpdateUserCommand(t *testing.T) {
 				}}},
 				{"ok", float64(1)},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"PasswordChange": {
 			username: "a_user",
@@ -165,7 +165,7 @@ func TestUpdateUserCommand(t *testing.T) {
 				}}},
 				{"ok", float64(1)},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"PasswordChangeWithSCRAMMechanism": {
 			username:   "a_user_with_scram_mechanism",
@@ -241,7 +241,7 @@ func TestUpdateUserCommand(t *testing.T) {
 				}}},
 				{"ok", float64(1)},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"InvalidRoles": {
 			username: "invalid_roles",

integration/auth/usersinfo_test.go

@@ -205,7 +205,7 @@ func TestUsersInfoCommand(t *testing.T) {
 			// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/864
 			// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/961
 			// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/962
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"WithSCRAMSHA256": {
 			dbName: dbNames.E,
@@ -234,7 +234,7 @@ func TestUsersInfoCommand(t *testing.T) {
 				}},
 				{"ok", float64(1)},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"FromSameDatabase": {
 			dbName: dbNames.B,
@@ -467,7 +467,7 @@ func TestUsersInfoCommand(t *testing.T) {
 				}},
 				{"ok", float64(1)},
 			},
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/939",
+			failsForFerretDB: "https://github.com/FerretDB/FerretDB/issues/5313",
 		},
 		"SingleDatabaseLong": {
 			dbName: "no_users",

integration/auth_test.go

@@ -272,12 +272,12 @@ func TestSASLContinueErrors(t *testing.T) {
 		conv := client.NewConversation()
 		payload := must.NotFail(conv.Step(""))
 
-		msg := must.NotFail(wire.NewOpMsg(must.NotFail(must.NotFail(wirebson.NewDocument(
+		msg := wire.MustOpMsg(
 			"saslStart", int32(1),
 			"mechanism", "SCRAM-SHA-256",
 			"payload", wirebson.Binary{B: []byte(payload)},
 			"$db", "admin",
-		)).Encode())))
+		)
 
 		var resBody wire.MsgBody
 		_, resBody, err = conn.Request(ctx, msg)
@@ -296,23 +296,23 @@ func TestSASLContinueErrors(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expected := must.NotFail(wirebson.NewDocument(
+		expected := wirebson.MustDocument(
 			"conversationId", int32(1),
 			"done", false,
 			"payload", wirebson.Binary{},
 			"ok", float64(1),
-		))
+		)
 
 		testutil.AssertEqual(t, expected, res)
 
 		payload = "invalid"
 
-		msg = must.NotFail(wire.NewOpMsg(must.NotFail(must.NotFail(wirebson.NewDocument(
+		msg = wire.MustOpMsg(
 			"saslContinue", int32(1),
 			"conversationId", int32(1),
 			"payload", wirebson.Binary{B: []byte(payload)},
 			"$db", "admin",
-		)).Encode())))
+		)
 
 		_, resBody, err = conn.Request(ctx, msg)
 		require.NoError(t, err)
@@ -322,21 +322,21 @@ func TestSASLContinueErrors(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expected = must.NotFail(wirebson.NewDocument(
+		expected = wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "Authentication failed.",
 			"code", int32(18),
 			"codeName", "AuthenticationFailed",
-		))
+		)
 
 		testutil.AssertEqual(t, expected, res)
 
-		msg = must.NotFail(wire.NewOpMsg(must.NotFail(must.NotFail(wirebson.NewDocument(
+		msg = wire.MustOpMsg(
 			"saslContinue", int32(1),
 			"conversationId", int32(1),
 			"payload", wirebson.Binary{},
 			"$db", "admin",
-		)).Encode())))
+		)
 
 		_, resBody, err = conn.Request(ctx, msg)
 		require.NoError(t, err)
@@ -346,21 +346,21 @@ func TestSASLContinueErrors(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expected = must.NotFail(wirebson.NewDocument(
+		expected = wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "No SASL session state found",
 			"code", int32(17),
 			"codeName", "ProtocolError",
-		))
+		)
 
 		testutil.AssertEqual(t, expected, res)
 	})
 
 	t.Run("NoAuthenticatedUser", func(t *testing.T) {
-		msg := must.NotFail(wire.NewOpMsg(must.NotFail(must.NotFail(wirebson.NewDocument(
+		msg := wire.MustOpMsg(
 			"connectionStatus", int64(1),
 			"$db", testutil.DatabaseName(t),
-		)).Encode())))
+		)
 
 		var resBody wire.MsgBody
 		_, resBody, err = conn.Request(ctx, msg)
@@ -372,23 +372,23 @@ func TestSASLContinueErrors(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expected := must.NotFail(wirebson.NewDocument(
-			"authInfo", must.NotFail(wirebson.NewDocument(
-				"authenticatedUsers", wirebson.MakeArray(0),
-				"authenticatedUserRoles", wirebson.MakeArray(0),
-			)),
+		expected := wirebson.MustDocument(
+			"authInfo", wirebson.MustDocument(
+				"authenticatedUsers", wirebson.MustArray(),
+				"authenticatedUserRoles", wirebson.MustArray(),
+			),
 			"ok", float64(1),
-		))
+		)
 
 		testutil.AssertEqual(t, expected, res)
 	})
 
 	t.Run("FindFails", func(t *testing.T) {
-		msg := must.NotFail(wire.NewOpMsg(must.NotFail(must.NotFail(wirebson.NewDocument(
+		msg := wire.MustOpMsg(
 			"find", "values",
-			"filter", must.NotFail(wirebson.NewDocument()),
+			"filter", wirebson.MustDocument(),
 			"$db", testutil.DatabaseName(t),
-		)).Encode())))
+		)
 
 		var resBody wire.MsgBody
 		_, resBody, err = conn.Request(ctx, msg)
@@ -400,12 +400,12 @@ func TestSASLContinueErrors(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expected := must.NotFail(wirebson.NewDocument(
+		expected := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "Command find requires authentication",
 			"code", int32(13),
 			"codeName", "Unauthorized",
-		))
+		)
 
 		testutil.AssertEqual(t, expected, res)
 	})
@@ -420,12 +420,12 @@ func TestSASLContinueNoConversation(t *testing.T) {
 
 	ctx, conn := s.Ctx, s.WireConn
 
-	msg := must.NotFail(wire.NewOpMsg(must.NotFail(must.NotFail(wirebson.NewDocument(
+	msg := wire.MustOpMsg(
 		"saslContinue", int32(1),
 		"conversationId", int32(1),
 		"payload", wirebson.Binary{},
 		"$db", "admin",
-	)).Encode())))
+	)
 
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
@@ -435,12 +435,12 @@ func TestSASLContinueNoConversation(t *testing.T) {
 
 	FixCluster(t, res)
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"ok", float64(0),
 		"errmsg", "No SASL session state found",
 		"code", int32(17),
 		"codeName", "ProtocolError",
-	))
+	)
 
 	testutil.AssertEqual(t, expected, res)
 }
@@ -551,12 +551,12 @@ func TestHelloIsMasterOpQuerySpeculative(t *testing.T) {
 
 				FixCluster(t, res)
 
-				expectedComparable := must.NotFail(wirebson.NewDocument(
+				expectedComparable := wirebson.MustDocument(
 					"conversationId", int32(1),
 					"done", true,
 					"payload", serverPayload,
 					"ok", float64(1),
-				))
+				)
 
 				testutil.AssertEqual(t, expectedComparable, res)
 
@@ -585,12 +585,12 @@ func TestHelloIsMasterOpQuerySpeculative(t *testing.T) {
 
 				FixCluster(t, res)
 
-				expected := must.NotFail(wirebson.NewDocument(
+				expected := wirebson.MustDocument(
 					"ok", float64(0),
 					"errmsg", "No SASL session state found",
 					"code", int32(17),
 					"codeName", "ProtocolError",
-				))
+				)
 				testutil.AssertEqual(t, expected, res)
 			})
 		})
@@ -729,28 +729,28 @@ func TestHelloSpeculative(t *testing.T) {
 		// as is request sent by legacy Mongo shell
 		msg := wire.MustOpMsg(
 			"hello", int32(1),
-			"speculativeAuthenticate", must.NotFail(wirebson.NewDocument(
+			"speculativeAuthenticate", wirebson.MustDocument(
 				"saslStart", int32(1),
 				"mechanism", "SCRAM-SHA-256",
 				"payload", wirebson.Binary{B: []byte(clientPayload)},
 				"db", "admin",
-			)),
+			),
 			"saslSupportedMechs", "admin."+username,
-			"client", must.NotFail(wirebson.NewDocument(
-				"application", must.NotFail(wirebson.NewDocument(
+			"client", wirebson.MustDocument(
+				"application", wirebson.MustDocument(
 					"name", "MongoDB Shell",
-				)),
-				"driver", must.NotFail(wirebson.NewDocument(
+				),
+				"driver", wirebson.MustDocument(
 					"name", "MongoDB Internal Client",
 					"version", "7.0.8",
-				)),
-				"os", must.NotFail(wirebson.NewDocument(
+				),
+				"os", wirebson.MustDocument(
 					"type", "Linux",
 					"name", "Ubuntu",
 					"architecture", "x86_64",
 					"version", "22.04",
-				)),
-			)),
+				),
+			),
 			"$db", "admin",
 		)
 
@@ -794,7 +794,7 @@ func TestHelloSpeculative(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expectedComparable := must.NotFail(wirebson.NewDocument(
+		expectedComparable := wirebson.MustDocument(
 			"isWritablePrimary", true,
 			"maxBsonObjectSize", int32(16777216),
 			"maxMessageSizeBytes", int32(48000000),
@@ -806,13 +806,13 @@ func TestHelloSpeculative(t *testing.T) {
 			"maxWireVersion", int32(21),
 			"readOnly", false,
 			"saslSupportedMechs", saslSupportedMechs,
-			"speculativeAuthenticate", must.NotFail(wirebson.NewDocument(
+			"speculativeAuthenticate", wirebson.MustDocument(
 				"conversationId", int32(1),
 				"done", false,
 				"payload", serverPayload,
-			)),
+			),
 			"ok", float64(1),
-		))
+		)
 
 		testutil.AssertEqual(t, expectedComparable, res)
 
@@ -833,7 +833,7 @@ func TestHelloSpeculative(t *testing.T) {
 		require.NoError(t, err)
 
 		var res *wirebson.Document
-		res, err = must.NotFail(resBody.(*wire.OpMsg).RawDocument()).Decode()
+		res, err = must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).Decode()
 		require.NoError(t, err)
 
 		serverPayload, ok := res.Get("payload").(wirebson.Binary)
@@ -841,12 +841,12 @@ func TestHelloSpeculative(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expectedComparable := must.NotFail(wirebson.NewDocument(
+		expectedComparable := wirebson.MustDocument(
 			"conversationId", int32(1),
 			"done", false,
 			"payload", serverPayload,
 			"ok", float64(1),
-		))
+		)
 
 		testutil.AssertEqual(t, expectedComparable, res)
 
@@ -869,7 +869,7 @@ func TestHelloSpeculative(t *testing.T) {
 		require.NoError(t, err)
 
 		var res *wirebson.Document
-		res, err = must.NotFail(resBody.(*wire.OpMsg).RawDocument()).Decode()
+		res, err = must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).Decode()
 		require.NoError(t, err)
 
 		serverPayload, ok := res.Get("payload").(wirebson.Binary)
@@ -877,12 +877,12 @@ func TestHelloSpeculative(t *testing.T) {
 
 		FixCluster(t, res)
 
-		expectedComparable := must.NotFail(wirebson.NewDocument(
+		expectedComparable := wirebson.MustDocument(
 			"conversationId", int32(1),
 			"done", true,
 			"payload", serverPayload,
 			"ok", float64(1),
-		))
+		)
 
 		testutil.AssertEqual(t, expectedComparable, res)
 	})
@@ -900,17 +900,17 @@ func TestHelloSpeculative(t *testing.T) {
 		require.NoError(t, err)
 
 		var res *wirebson.Document
-		res, err = must.NotFail(resBody.(*wire.OpMsg).RawDocument()).Decode()
+		res, err = must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).Decode()
 		require.NoError(t, err)
 
 		FixCluster(t, res)
 
-		expected := must.NotFail(wirebson.NewDocument(
+		expected := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "No SASL session state found",
 			"code", int32(17),
 			"codeName", "ProtocolError",
-		))
+		)
 		testutil.AssertEqual(t, expected, res)
 	})
 }
@@ -1000,7 +1000,7 @@ func TestHelloOpQuerySASLSupportedMechs(t *testing.T) {
 
 	FixCluster(t, res)
 
-	expectedComparable := must.NotFail(wirebson.NewDocument(
+	expectedComparable := wirebson.MustDocument(
 		"isWritablePrimary", true,
 		"maxBsonObjectSize", int32(16777216),
 		"maxMessageSizeBytes", int32(48000000),
@@ -1010,13 +1010,13 @@ func TestHelloOpQuerySASLSupportedMechs(t *testing.T) {
 		"maxWireVersion", int32(21),
 		"readOnly", false,
 		"saslSupportedMechs", saslSupportedMechs,
-		"speculativeAuthenticate", must.NotFail(wirebson.NewDocument(
+		"speculativeAuthenticate", wirebson.MustDocument(
 			"conversationId", int32(1),
 			"done", false,
 			"payload", payloadAny,
-		)),
+		),
 		"ok", float64(1),
-	))
+	)
 
 	testutil.AssertEqual(t, expectedComparable, res)
 }
@@ -1048,62 +1048,62 @@ func TestSASLStartOpQueryErrors(t *testing.T) {
 		failsForFerretDB string
 	}{
 		"WrongAuthDB": {
-			query: must.NotFail(wirebson.NewDocument(
+			query: wirebson.MustDocument(
 				"saslStart", int32(1),
 				"mechanism", "SCRAM-SHA-256",
 				"payload", wirebson.Binary{B: []byte(payload)},
-			)),
+			),
 			fullCollectionName: "wrong-auth-db.$cmd",
-			reply: must.NotFail(wirebson.NewDocument(
+			reply: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "Authentication failed.",
 				"code", int32(18),
 				"codeName", "AuthenticationFailed",
-			)),
+			),
 			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/932",
 		},
 		"NotAllowed$db": {
-			query: must.NotFail(wirebson.NewDocument(
+			query: wirebson.MustDocument(
 				"saslStart", int32(1),
 				"mechanism", "SCRAM-SHA-256",
 				"payload", wirebson.Binary{B: []byte(payload)},
 				"$db", "admin",
-			)),
+			),
 			fullCollectionName: "admin.$cmd",
-			reply: must.NotFail(wirebson.NewDocument(
+			reply: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "$db is not allowed in OP_QUERY requests",
 				"code", int32(40621),
 				"codeName", "Location40621",
-			)),
+			),
 		},
 		"InvalidPayload": {
-			query: must.NotFail(wirebson.NewDocument(
+			query: wirebson.MustDocument(
 				"saslStart", int32(1),
 				"mechanism", "SCRAM-SHA-256",
 				"payload", wirebson.Binary{B: []byte("invalid")},
-			)),
+			),
 			fullCollectionName: "admin.$cmd",
-			reply: must.NotFail(wirebson.NewDocument(
+			reply: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "Authentication failed.",
 				"code", int32(18),
 				"codeName", "AuthenticationFailed",
-			)),
+			),
 		},
 		"UnsupportedMechanism": {
-			query: must.NotFail(wirebson.NewDocument(
+			query: wirebson.MustDocument(
 				"saslStart", int32(1),
 				"mechanism", "UNKNOWN-MECHANISM",
 				"payload", wirebson.Binary{B: []byte(payload)},
-			)),
+			),
 			fullCollectionName: "admin.$cmd",
-			reply: must.NotFail(wirebson.NewDocument(
+			reply: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "Received authentication for mechanism UNKNOWN-MECHANISM which is not enabled",
 				"code", int32(334),
 				"codeName", "MechanismUnavailable",
-			)),
+			),
 		},
 	} {
 		t.Run(name, func(tt *testing.T) {
@@ -1156,45 +1156,45 @@ func TestSASLStartErrors(t *testing.T) {
 		res *wirebson.Document
 	}{
 		"InvalidOptions": {
-			msg: must.NotFail(wirebson.NewDocument(
+			msg: wirebson.MustDocument(
 				"saslStart", int32(1),
 				"mechanism", "SCRAM-SHA-256",
 				"payload", wirebson.Binary{B: []byte(payload)},
 				"options", "invalid",
 				"$db", "admin",
-			)),
-			res: must.NotFail(wirebson.NewDocument(
+			),
+			res: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "BSON field 'saslStart.options' is the wrong type 'string', expected type 'object'",
 				"code", int32(14),
 				"codeName", "TypeMismatch",
-			)),
+			),
 		},
 		"InvalidOptionsSkipEmptyExchange": {
-			msg: must.NotFail(wirebson.NewDocument(
+			msg: wirebson.MustDocument(
 				"saslStart", int32(1),
 				"mechanism", "SCRAM-SHA-256",
 				"payload", wirebson.Binary{B: []byte(payload)},
 				"options", wirebson.MustDocument("skipEmptyExchange", "invalid"),
 				"$db", "admin",
-			)),
-			res: must.NotFail(wirebson.NewDocument(
+			),
+			res: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "Authentication failed.",
 				"code", int32(18),
 				"codeName", "AuthenticationFailed",
-			)),
+			),
 		},
 	} {
 		t.Run(name, func(t *testing.T) {
-			q := must.NotFail(wire.NewOpMsg(must.NotFail(tc.msg.Encode())))
+			q := must.NotFail(wire.NewOpMsg(tc.msg))
 
 			var resBody wire.MsgBody
 			_, resBody, err = conn.Request(ctx, q)
 			require.NoError(t, err)
 
 			var res *wirebson.Document
-			res, err = must.NotFail(resBody.(*wire.OpMsg).RawDocument()).Decode()
+			res, err = must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).Decode()
 			require.NoError(t, err)
 
 			FixCluster(t, res)
@@ -1218,33 +1218,33 @@ func TestSASLContinueOpQueryErrors(t *testing.T) {
 		reply *wirebson.Document
 	}{
 		"AuthenticationError": {
-			query: must.NotFail(wirebson.NewDocument(
+			query: wirebson.MustDocument(
 				"saslContinue", int32(1),
 				"conversationId", int32(1),
 				"payload", wirebson.Binary{},
-			)),
+			),
 			fullCollectionName: "wrong-auth-db.$cmd",
-			reply: must.NotFail(wirebson.NewDocument(
+			reply: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "Authentication failed.",
 				"code", int32(18),
 				"codeName", "AuthenticationFailed",
-			)),
+			),
 		},
 		"NotAllowed$db": {
-			query: must.NotFail(wirebson.NewDocument(
+			query: wirebson.MustDocument(
 				"saslContinue", int32(1),
 				"conversationId", int32(1),
 				"payload", wirebson.Binary{},
 				"$db", "admin",
-			)),
+			),
 			fullCollectionName: "admin.$cmd",
-			reply: must.NotFail(wirebson.NewDocument(
+			reply: wirebson.MustDocument(
 				"ok", float64(0),
 				"errmsg", "$db is not allowed in OP_QUERY requests",
 				"code", int32(40621),
 				"codeName", "Location40621",
-			)),
+			),
 		},
 	} {
 		t.Run(name, func(t *testing.T) {
@@ -1266,7 +1266,10 @@ func TestSASLContinueOpQueryErrors(t *testing.T) {
 			q.FullCollectionName = "admin.$cmd"
 			q.NumberToReturn = -1
 
-			conn, err := wireclient.Connect(ctx, s.MongoDBURI, testutil.Logger(t))
+			cleanUri, _, _, _, err := wireclient.Credentials(s.MongoDBURI)
+			require.NoError(t, err)
+
+			conn, err := wireclient.Connect(ctx, cleanUri, testutil.Logger(t))
 			require.NoError(t, err)
 
 			_, resBody, err := conn.Request(ctx, q)
@@ -1280,12 +1283,12 @@ func TestSASLContinueOpQueryErrors(t *testing.T) {
 			err = res.Replace("payload", wirebson.Binary{})
 			require.NoError(t, err)
 
-			expectedComparable := must.NotFail(wirebson.NewDocument(
+			expectedComparable := wirebson.MustDocument(
 				"conversationId", int32(1),
 				"done", false,
 				"payload", wirebson.Binary{},
 				"ok", float64(1),
-			))
+			)
 
 			testutil.AssertEqual(t, expectedComparable, res)
 

integration/basic_test.go

@@ -108,7 +108,7 @@ func TestInsertFind(t *testing.T) {
 func TestFindOtelComment(t *testing.T) {
 	ctx, collection := setup.Setup(t, shareddata.Scalars)
 
-	ctx, span := otel.Tracer("").Start(ctx, "TestOtelComment")
+	ctx, span := otel.Tracer("").Start(ctx, "TestFindOtelComment")
 	defer span.End()
 
 	comment, err := observability.CommentFromSpanContext(span.SpanContext())
@@ -580,7 +580,7 @@ func TestDebugCommandErrors(t *testing.T) {
 		}
 		AssertMatchesCommandError(t, expected, res.Err())
 
-		msg := `(InternalError) [msg_ferretdebugerror.go:68 handler.(*Handler).msgFerretDebugError] lazy error`
+		msg := `(InternalError) msg_ferretdebugerror.go:59 (handler.(*Handler).msgFerretDebugError): lazy error`
 		assert.EqualError(t, res.Err(), msg)
 
 		var doc bson.D

integration/commands_administration_test.go

@@ -1887,7 +1887,7 @@ func TestServerStatusCommand(t *testing.T) {
 				{"gitVersion", info.Commit},
 				{"debug", true},
 				{"package", info.Package},
-				{"postgresql", version.PostgreSQL},
+				{"postgresql", version.PostgreSQLTest},
 				{"documentdb", version.DocumentDB},
 			}
 			AssertEqualDocuments(t, expected, ferretdb)
@@ -2157,7 +2157,7 @@ func TestServerStatusCommandMetrics(t *testing.T) {
 					{"gitVersion", info.Commit},
 					{"debug", true},
 					{"package", info.Package},
-					{"postgresql", version.PostgreSQL},
+					{"postgresql", version.PostgreSQLTest},
 					{"documentdb", version.DocumentDB},
 				}},
 				{"freeMonitoring", bson.D{{"state", "undecided"}}},
@@ -2339,7 +2339,7 @@ func TestServerStatusCommandFreeMonitoring(t *testing.T) {
 					{"gitVersion", info.Commit},
 					{"debug", true},
 					{"package", info.Package},
-					{"postgresql", version.PostgreSQL},
+					{"postgresql", version.PostgreSQLTest},
 					{"documentdb", version.DocumentDB},
 				}},
 				{"freeMonitoring", bson.D{{"state", tc.expectedStatus}}},
@@ -2412,152 +2412,80 @@ func TestServerStatusCommandStress(t *testing.T) {
 	wg.Wait()
 }
 
-func TestCompactCommandForce(t *testing.T) {
+func TestCompactCommand(t *testing.T) {
 	// don't run in parallel as parallel `VACUUM FULL ANALYZE` may result in deadlock
 	s := setup.SetupWithOpts(t, &setup.SetupOpts{
 		DatabaseName: "admin",
 		Providers:    []shareddata.Provider{shareddata.DocumentsStrings},
 	})
 
-	for name, tc := range map[string]struct {
-		force any // optional, defaults to unset
+	dr, err := s.Collection.DeleteMany(s.Ctx, bson.D{})
+	require.NoError(t, err)
+	assert.Positive(t, dr.DeletedCount)
 
-		err            *mongo.CommandError // optional
-		altMessage     string              // optional, alternative error message
-		skipForMongoDB string              // optional, skip test for mongoDB with a specific reason
-	}{
-		"True": {
-			force: true,
-		},
-		"False": {
-			force:          false,
-			skipForMongoDB: "Only {force:true} can be run on active replica set primary",
-		},
-		"Int32": {
-			force: int32(1),
-		},
-		"Int32Zero": {
-			force:          int32(0),
-			skipForMongoDB: "Only {force:true} can be run on active replica set primary",
-		},
-		"Int64": {
-			force: int64(1),
-		},
-		"Int64Zero": {
-			force:          int64(0),
-			skipForMongoDB: "Only {force:true} can be run on active replica set primary",
-		},
-		"Double": {
-			force: float64(1),
-		},
-		"DoubleZero": {
-			force:          float64(0),
-			skipForMongoDB: "Only {force:true} can be run on active replica set primary",
-		},
-		"Unset": {
-			skipForMongoDB: "Only {force:true} can be run on active replica set primary",
-		},
-		"String": {
-			force: "foo",
-			err: &mongo.CommandError{
-				Code:    14,
-				Name:    "TypeMismatch",
-				Message: "BSON field 'force' is the wrong type 'string', expected types '[bool, long, int, decimal, double]'",
-			},
-			skipForMongoDB: "force is FerretDB specific field",
-		},
-	} {
-		t.Run(name, func(t *testing.T) {
-			if tc.skipForMongoDB != "" {
-				setup.SkipForMongoDB(t, tc.skipForMongoDB)
-			}
-
-			command := bson.D{{"compact", s.Collection.Name()}}
-			if tc.force != nil {
-				command = append(command, bson.E{Key: "force", Value: tc.force})
-			}
-
-			var res bson.D
-			err := s.Collection.Database().RunCommand(
-				s.Ctx,
-				command,
-			).Decode(&res)
-
-			if tc.err != nil {
-				AssertEqualAltCommandError(t, *tc.err, tc.altMessage, err)
-				return
-			}
-
-			require.NoError(t, err)
-
-			expected := bson.D{
-				{"bytesFreed", int32(0)},
-				{"ok", float64(1)},
-			}
-
-			AssertEqualDocuments(t, expected, res)
-		})
+	command := bson.D{
+		{"compact", s.Collection.Name()},
+		{"force", true},
 	}
+
+	var res bson.D
+	err = s.Collection.Database().RunCommand(s.Ctx, command).Decode(&res)
+	require.NoError(t, err)
+
+	res, bf := RemoveKey(t, res, "bytesFreed")
+	assert.Zero(t, bf)
+	AssertEqualDocuments(t, bson.D{{"ok", float64(1)}}, res)
 }
 
-func TestCompactCommandErrors(tt *testing.T) {
-	tt.Parallel()
+func TestCompactCommandNonExistent(t *testing.T) {
+	t.Parallel()
 
 	for name, tc := range map[string]struct {
 		dbName string
+		force  any // optional, defaults to unset
 
-		err              *mongo.CommandError // required
-		altMessage       string              // optional, alternative error message
-		skipForMongoDB   string              // optional, skip test for MongoDB backend with a specific reason
-		failsForFerretDB string
+		err        *mongo.CommandError // required
+		altMessage string              // optional, alternative error message
 	}{
 		"NonExistentDB": {
+			force:  true,
 			dbName: "non-existent",
 			err: &mongo.CommandError{
 				Code:    26,
 				Name:    "NamespaceNotFound",
 				Message: "database does not exist",
 			},
-			altMessage: "Invalid namespace specified 'non-existent.non-existent'",
-
-			skipForMongoDB:   "Only {force:true} can be run on active replica set primary",
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/286",
+			altMessage: "ns does not exist: non-existent.non-existent",
 		},
 		"NonExistentCollection": {
+			force:  true,
 			dbName: "admin",
 			err: &mongo.CommandError{
 				Code:    26,
 				Name:    "NamespaceNotFound",
 				Message: "collection does not exist",
 			},
-			altMessage:       "Invalid namespace specified 'admin.non-existent'",
-			skipForMongoDB:   "Only {force:true} can be run on active replica set primary",
-			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/286",
+			altMessage: "ns does not exist: admin.non-existent",
 		},
 	} {
-		tt.Run(name, func(tt *testing.T) {
-			tt.Parallel()
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
 
-			var t testing.TB = tt
-			if tc.failsForFerretDB != "" {
-				t = setup.FailsForFerretDB(tt, tc.failsForFerretDB)
-			}
+			require.Error(t, tc.err)
 
-			if tc.skipForMongoDB != "" {
-				setup.SkipForMongoDB(t, tc.skipForMongoDB)
-			}
-
-			require.NotNil(t, tc.err, "err must not be nil")
-
-			s := setup.SetupWithOpts(tt, &setup.SetupOpts{
+			s := setup.SetupWithOpts(t, &setup.SetupOpts{
 				DatabaseName: tc.dbName,
 			})
 
+			command := bson.D{
+				{"compact", "non-existent"},
+			}
+			if tc.force != nil {
+				command = append(command, bson.E{Key: "force", Value: tc.force})
+			}
+
 			var res bson.D
-			err := s.Collection.Database().RunCommand(
-				s.Ctx,
-				bson.D{{"compact", "non-existent"}},
-			).Decode(&res)
+			err := s.Collection.Database().RunCommand(s.Ctx, command).Decode(&res)
 
 			AssertEqualAltCommandError(t, *tc.err, tc.altMessage, err)
 		})

integration/commands_diagnostic_test.go

@@ -269,48 +269,48 @@ func TestHostInfoCommand(t *testing.T) {
 	for _, elem := range a {
 		switch elem.Key {
 		case "system":
-			var elemForComparsion bson.D
+			var elemForComparison bson.D
 
 			for _, subElem := range elem.Value.(bson.D) {
 				switch subElem.Key {
 				case "currentTime":
 					assert.IsType(t, primitive.DateTime(0), subElem.Value)
-					elemForComparsion = append(elemForComparsion, bson.E{"currentTime", primitive.DateTime(0)})
+					elemForComparison = append(elemForComparison, bson.E{"currentTime", primitive.DateTime(0)})
 
 				case "hostname", "cpuArch":
 					assert.IsType(t, "", subElem.Value)
-					elemForComparsion = append(elemForComparsion, bson.E{subElem.Key, ""})
+					elemForComparison = append(elemForComparison, bson.E{subElem.Key, ""})
 
 				case "cpuAddrSize", "numCores":
 					assert.IsType(t, int32(0), subElem.Value)
-					elemForComparsion = append(elemForComparsion, bson.E{subElem.Key, int32(0)})
+					elemForComparison = append(elemForComparison, bson.E{subElem.Key, int32(0)})
 
 				case "numPhysicalCores", "numCpuSockets", "numNumaNodes", "numaEnabled", "memSizeMB", "memLimitMB":
 					// not implemented in FerretDB, do nothing
 					// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/587
 
 				default:
-					elemForComparsion = append(elemForComparsion, subElem)
+					elemForComparison = append(elemForComparison, subElem)
 				}
 			}
 
-			actualComparable = append(actualComparable, bson.E{"system", elemForComparsion})
+			actualComparable = append(actualComparable, bson.E{"system", elemForComparison})
 
 		case "os":
-			var elemForComparsion bson.D
+			var elemForComparison bson.D
 
 			for _, subElem := range elem.Value.(bson.D) {
 				switch subElem.Key {
 				case "type", "name", "version":
 					assert.IsType(t, "", subElem.Value)
-					elemForComparsion = append(elemForComparsion, bson.E{subElem.Key, ""})
+					elemForComparison = append(elemForComparison, bson.E{subElem.Key, ""})
 
 				default:
-					elemForComparsion = append(elemForComparsion, subElem)
+					elemForComparison = append(elemForComparison, subElem)
 				}
 			}
 
-			actualComparable = append(actualComparable, bson.E{"os", elemForComparsion})
+			actualComparable = append(actualComparable, bson.E{"os", elemForComparison})
 
 		case "extra":
 			assert.IsType(t, bson.D{}, elem.Value)
@@ -349,7 +349,7 @@ func TestListCommandsCommand(t *testing.T) {
 	err := collection.Database().RunCommand(ctx, bson.D{{"listCommands", 42}}).Decode(&res)
 	require.NoError(t, err)
 
-	var actualForComparsion bson.D
+	var actualForComparison bson.D
 
 	for _, v := range res {
 		switch v.Key {
@@ -383,10 +383,10 @@ func TestListCommandsCommand(t *testing.T) {
 				}
 			}
 
-			actualForComparsion = append(actualForComparsion, bson.E{"commands", commandsComparable})
+			actualForComparison = append(actualForComparison, bson.E{"commands", commandsComparable})
 
 		default:
-			actualForComparsion = append(actualForComparsion, v)
+			actualForComparison = append(actualForComparison, v)
 		}
 	}
 
@@ -395,7 +395,7 @@ func TestListCommandsCommand(t *testing.T) {
 		{"ok", float64(1)},
 	}
 
-	AssertEqualDocuments(t, expected, actualForComparsion)
+	AssertEqualDocuments(t, expected, actualForComparison)
 }
 
 func TestValidateCommand(t *testing.T) {

integration/compattestcaseresulttype_string.go

@@ -17,8 +17,9 @@ const _CompatTestCaseResultType_name = "NonEmptyResultEmptyResult"
 var _CompatTestCaseResultType_index = [...]uint8{0, 14, 25}
 
 func (i CompatTestCaseResultType) String() string {
-	if i < 0 || i >= CompatTestCaseResultType(len(_CompatTestCaseResultType_index)-1) {
+	idx := int(i) - 0
+	if i < 0 || idx >= len(_CompatTestCaseResultType_index)-1 {
 		return "CompatTestCaseResultType(" + strconv.FormatInt(int64(i), 10) + ")"
 	}
-	return _CompatTestCaseResultType_name[_CompatTestCaseResultType_index[i]:_CompatTestCaseResultType_index[i+1]]
+	return _CompatTestCaseResultType_name[_CompatTestCaseResultType_index[idx]:_CompatTestCaseResultType_index[idx+1]]
 }

integration/currentop_test.go

@@ -170,6 +170,9 @@ func TestCurrentOpGetMore(tt *testing.T) {
 }
 
 func TestCurrentOpExplain(tt *testing.T) {
+	// TODO https://github.com/FerretDB/FerretDB/issues/4871
+	tt.Skip("https://github.com/FerretDB/FerretDB/issues/4871")
+
 	tt.Parallel()
 
 	s := setup.SetupWithOpts(tt, new(setup.SetupOpts))

integration/cursor/batch_test.go

@@ -249,15 +249,14 @@ func TestFindCommandSingleBatch(t *testing.T) {
 func TestFindCommandExhausted(tt *testing.T) {
 	tt.Parallel()
 
-	t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB-DocumentDB/issues/270")
-
 	s := setup.SetupWithOpts(tt, &setup.SetupOpts{PoolSize: 1})
-
 	collection, ctx := s.Collection, s.Ctx
 
 	arr := integration.GenerateDocuments(1, 3)
 	_, err := collection.InsertMany(ctx, arr)
-	require.NoError(t, err)
+	require.NoError(tt, err)
+
+	t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/5445")
 
 	var res bson.D
 	err = collection.Database().RunCommand(ctx, bson.D{

integration/cursor/getmore_test.go

@@ -28,6 +28,8 @@ import (
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
 
+	"github.com/FerretDB/FerretDB/v2/internal/util/ctxutil"
+
 	"github.com/FerretDB/FerretDB/v2/integration"
 	"github.com/FerretDB/FerretDB/v2/integration/setup"
 	"github.com/FerretDB/FerretDB/v2/integration/shareddata"
@@ -310,8 +312,8 @@ func TestGetMoreCommand(t *testing.T) {
 
 			// Do not run subtests in t.Parallel() to eliminate the occurrence
 			// of session error.
-			// Supporting session would help us understand fix it
-			// https://github.com/FerretDB/FerretDB/issues/153.
+			// Supporting session would help us understand fix it.
+			// TODO https://github.com/FerretDB/FerretDB/issues/153
 			//
 			// > Location50738
 			// > Cannot run getMore on cursor 2053655655200551971,
@@ -467,6 +469,11 @@ func TestGetMoreCommandBatchSize(t *testing.T) {
 				require.Equal(t, i-1, cursor.RemainingBatchLength())
 			}
 
+			if setup.IsYugabyteDB(t) {
+				// TODO https://github.com/yugabyte/yugabyte-db/issues/27989
+				t.Skip("https://github.com/yugabyte/yugabyte-db/issues/27989")
+			}
+
 			// get rest of documents from the cursor to ensure cursor is exhausted
 			var res bson.D
 			err = cursor.All(ctx, &res)
@@ -563,8 +570,8 @@ func TestGetMoreCommandConnection(t *testing.T) {
 	t.Run("SameClient", func(t *testing.T) {
 		// Do not run subtests in t.Parallel() to eliminate the occurrence
 		// of session error.
-		// Supporting session would help us understand fix it
-		// https://github.com/FerretDB/FerretDB/issues/153.
+		// Supporting session would help us understand fix it.
+		// TODO https://github.com/FerretDB/FerretDB/issues/153
 		//
 		// > Location50738
 		// > Cannot run getMore on cursor 2053655655200551971,
@@ -826,16 +833,15 @@ func TestGetMoreCommandMaxTimeMSErrors(t *testing.T) {
 
 func TestGetMoreCommandExhausted(tt *testing.T) {
 	s := setup.SetupWithOpts(tt, nil)
-
-	t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB-DocumentDB/issues/270")
-
 	collection := s.Collection
 	db, ctx := collection.Database(), s.Ctx
 
 	arr := integration.GenerateDocuments(0, 10)
 
 	_, err := collection.InsertMany(ctx, arr)
-	require.NoError(t, err)
+	require.NoError(tt, err)
+
+	t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/5445")
 
 	var res bson.D
 	err = db.RunCommand(ctx, bson.D{
@@ -1130,10 +1136,11 @@ func TestFindCommandFirstBatchMaxTimeMS(t *testing.T) {
 	}
 
 	t.Run("GetMore", func(tt *testing.T) {
-		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB-DocumentDB/issues/270")
+		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/5445")
 
 		for i := 0; i < 2; i++ {
-			time.Sleep(100 * time.Millisecond)
+			ctxutil.Sleep(ctx, 100*time.Millisecond)
+
 			var res bson.D
 			err = collection.Database().RunCommand(ctx, getMoreCmd).Decode(&res)
 			require.NoError(t, err)
@@ -1153,9 +1160,10 @@ func TestFindCommandFirstBatchMaxTimeMS(t *testing.T) {
 	})
 
 	t.Run("GetMoreEmpty", func(tt *testing.T) {
-		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB-DocumentDB/issues/270")
+		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/5445")
+
+		ctxutil.Sleep(ctx, 100*time.Millisecond)
 
-		time.Sleep(100 * time.Millisecond)
 		var res bson.D
 		err = collection.Database().RunCommand(ctx, getMoreCmd).Decode(&res)
 		require.NoError(t, err)
@@ -1225,7 +1233,7 @@ func TestGetMoreCommandAfterInsertion(t *testing.T) {
 	}
 
 	t.Run("GetMore", func(tt *testing.T) {
-		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB-DocumentDB/issues/270")
+		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/5445")
 
 		for i := 0; i < 2; i++ {
 			var res bson.D
@@ -1247,7 +1255,7 @@ func TestGetMoreCommandAfterInsertion(t *testing.T) {
 	})
 
 	t.Run("GetMoreEmpty", func(tt *testing.T) {
-		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB-DocumentDB/issues/270")
+		t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/5445")
 
 		var res bson.D
 		err = collection.Database().RunCommand(ctx, getMoreCmd).Decode(&res)

integration/delete_test.go

@@ -86,7 +86,6 @@ func TestDelete(t *testing.T) {
 		},
 		"ValidString": {
 			deletes: bson.A{bson.D{{"q", bson.D{{"v", "foo"}}}, {"limit", "1"}}},
-			skip:    "https://github.com/FerretDB/FerretDB/issues/1089",
 		},
 		"InvalidFloat": {
 			deletes: bson.A{bson.D{{"q", bson.D{{"v", "foo"}}}, {"limit", 42.13}}},

integration/explain_compat_test.go

@@ -39,9 +39,10 @@ type explainCompatTestCase struct {
 // testExplainCompatError tests explain compatibility test cases.
 // This test does not work for successful aggregate pipeline tests,
 // due to compat requiring cursor option.
-// If you see following error, use `testAggregateStagesCompat` test instead.
+// If you see one of following errors, use `testAggregateStagesCompat` test instead.
 //
-//	`(FailedToParse) The 'cursor' option is required, except for aggregate with the explain argument`
+// `(FailedToParse) The 'cursor' option is required, except for aggregate with the explain argument`.
+// `(FailedToParse) The 'cursor' option is required, except for aggregate with explain`.
 func testExplainCompatError(tt *testing.T, testCases map[string]explainCompatTestCase) {
 	tt.Helper()
 

integration/go.mod

@@ -1,68 +1,76 @@
 module github.com/FerretDB/FerretDB/v2/integration
 
-go 1.24
+go 1.25
 
-toolchain go1.24.3
+toolchain go1.25.4
 
 replace github.com/FerretDB/FerretDB/v2 => ../
 
+// replace github.com/FerretDB/wire => ../../wire
+
 require (
+	github.com/AlekSi/lazyerrors v0.0.0-20251102120325-67e66cc79778
 	github.com/AlekSi/pointer v1.2.0
 	github.com/FerretDB/FerretDB/v2 v2.0.0-00010101000000-000000000000
-	github.com/FerretDB/wire v0.0.24
+	github.com/FerretDB/wire v0.1.7
 	github.com/FerretDB/xfail v0.1.0
 	github.com/google/uuid v1.6.0
-	github.com/prometheus/client_golang v1.21.1
-	github.com/stretchr/testify v1.10.0
+	github.com/prometheus/client_golang v1.23.2
+	github.com/stretchr/testify v1.11.1
 	github.com/xdg-go/scram v1.1.2
-	go.mongodb.org/mongo-driver v1.17.3
-	go.opentelemetry.io/contrib/instrumentation/go.mongodb.org/mongo-driver/mongo/otelmongo v0.60.0
-	go.opentelemetry.io/otel v1.35.0
+	go.mongodb.org/mongo-driver v1.17.6
+	go.opentelemetry.io/contrib/instrumentation/go.mongodb.org/mongo-driver/mongo/otelmongo v0.63.0
+	go.opentelemetry.io/otel v1.38.0
 )
 
 require (
-	github.com/arl/statsviz v0.6.0 // indirect
+	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
+	github.com/arl/statsviz v0.7.2 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
-	github.com/gorilla/websocket v1.5.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect
-	github.com/jackc/pgerrcode v0.0.0-20240316143900-6e2875d9b438 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2 // indirect
+	github.com/jackc/pgerrcode v0.0.0-20250907135507-afb5586c32a6 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/pgx/v5 v5.7.4 // indirect
+	github.com/jackc/pgx/v5 v5.7.6 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
+	github.com/modelcontextprotocol/go-sdk v0.2.0 // indirect
 	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/oapi-codegen/runtime v1.1.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.63.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.67.2 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
-	go.mongodb.org/mongo-driver/v2 v2.2.0 // indirect
+	go.mongodb.org/mongo-driver/v2 v2.4.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.35.0 // indirect
-	go.opentelemetry.io/otel/metric v1.35.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.35.0 // indirect
-	go.opentelemetry.io/otel/trace v1.35.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
-	golang.org/x/crypto v0.37.0 // indirect
-	golang.org/x/net v0.39.0 // indirect
-	golang.org/x/sync v0.13.0 // indirect
-	golang.org/x/sys v0.32.0 // indirect
-	golang.org/x/term v0.31.0 // indirect
-	golang.org/x/text v0.24.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/grpc v1.71.0 // indirect
-	google.golang.org/protobuf v1.36.5 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0 // indirect
+	go.opentelemetry.io/otel/metric v1.38.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.38.0 // indirect
+	go.opentelemetry.io/otel/trace v1.38.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.7.1 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/crypto v0.43.0 // indirect
+	golang.org/x/net v0.46.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/term v0.36.0 // indirect
+	golang.org/x/text v0.30.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250825161204-c5933d9347a5 // indirect
+	google.golang.org/grpc v1.75.0 // indirect
+	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

integration/go.sum

@@ -1,23 +1,29 @@
+github.com/AlekSi/lazyerrors v0.0.0-20251102120325-67e66cc79778 h1:Hv1Z0ZnUWI1NYHXKUE16SWUcv+VyFARJHQ6dGkd2TIM=
+github.com/AlekSi/lazyerrors v0.0.0-20251102120325-67e66cc79778/go.mod h1:S8uLHjY/2pJvG9qkWwDX1AVYYknPI92r2qh/f0uysr0=
 github.com/AlekSi/pointer v1.2.0 h1:glcy/gc4h8HnG2Z3ZECSzZ1IX1x2JxRVuDzaJwQE0+w=
 github.com/AlekSi/pointer v1.2.0/go.mod h1:gZGfd3dpW4vEc/UlyfKKi1roIqcCgwOIvb0tSNSBle0=
-github.com/FerretDB/wire v0.0.24 h1:UI4K50cSlfTO2uXnUuX+9OVRRoWUSVdbBbECTS2FRKU=
-github.com/FerretDB/wire v0.0.24/go.mod h1:TGo7jrzJkJjug8KVSOc3W/eyEUzcBym81D3MOEnyzOc=
+github.com/FerretDB/wire v0.1.7 h1:yh6tL0rU8ub+KuKqiqTlFJGpdfL4V7kg/8PBPDX0sBE=
+github.com/FerretDB/wire v0.1.7/go.mod h1:KjV8URsECCZWwJBBzlTvyl9LEXvnE362tL4tg52VHXI=
 github.com/FerretDB/xfail v0.1.0 h1:NmwdtwCmQ12X4VutLL+XilG/vbLRbG6RUVQabnI1JiQ=
 github.com/FerretDB/xfail v0.1.0/go.mod h1:u34yzRVZdvuc/fjegLYi+FztscWts9pP9ZUJ7wY9OyE=
-github.com/arl/statsviz v0.6.0 h1:jbW1QJkEYQkufd//4NDYRSNBpwJNrdzPahF7ZmoGdyE=
-github.com/arl/statsviz v0.6.0/go.mod h1:0toboo+YGSUXDaS4g1D5TVS4dXs7S7YYT5J/qnW2h8s=
+github.com/RaveNoX/go-jsoncommentstrip v1.0.0/go.mod h1:78ihd09MekBnJnxpICcwzCMzGrKSKYe4AqU6PDYYpjk=
+github.com/apapsch/go-jsonmerge/v2 v2.0.0 h1:axGnT1gRIfimI7gJifB699GoE/oq+F2MU7Dml6nw9rQ=
+github.com/apapsch/go-jsonmerge/v2 v2.0.0/go.mod h1:lvDnEdqiQrp0O42VQGgmlKpxL1AP2+08jFMw88y4klk=
+github.com/arl/statsviz v0.7.2 h1:xnuIfRiXE4kvxEcfGL+IE3mKH1BXNHuE+eJELIh7oOA=
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+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 h1:GqRJVj7UmLjCVyVJ3ZFLdPRmhDUp2zFmQe3RHIOsw24=
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+go.opentelemetry.io/otel/metric v1.38.0 h1:Kl6lzIYGAh5M159u9NgiRkmoMKjvbsKtYRwgfrA6WpA=
+go.opentelemetry.io/otel/metric v1.38.0/go.mod h1:kB5n/QoRM8YwmUahxvI3bO34eVtQf2i4utNVLr9gEmI=
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+go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJrmcNLE=
+go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs=
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 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
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 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
-golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
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 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
-golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
+golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
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 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
-golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
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 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
-golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
+golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.31.0 h1:erwDkOK1Msy6offm1mOgvspSkslFnIGsFnxOKoufg3o=
-golang.org/x/term v0.31.0/go.mod h1:R4BeIy7D95HzImkxGkTW1UQTtP54tio2RyHz7PwK0aw=
+golang.org/x/term v0.36.0 h1:zMPR+aF8gfksFprF/Nc/rd1wRS1EI6nDBGyWAvDzx2Q=
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 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
+golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
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+golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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-google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
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-google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
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+google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5 h1:BIRfGDEjiHRrk0QKZe3Xv2ieMhtgRGeLcZQ0mIVn4EY=
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+google.golang.org/genproto/googleapis/rpc v0.0.0-20250825161204-c5933d9347a5/go.mod h1:M4/wBTSeyLxupu3W3tJtOgB14jILAS/XWPSSa3TAlJc=
+google.golang.org/grpc v1.75.0 h1:+TW+dqTd2Biwe6KKfhE5JpiYIBWq865PhKGSXiivqt4=
+google.golang.org/grpc v1.75.0/go.mod h1:JtPAzKiq4v1xcAB2hydNlWI2RnF85XXcV0mhKXr2ecQ=
+google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
+google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
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 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

integration/indexes_compat_test.go

@@ -475,7 +475,7 @@ func TestCreateIndexesCompatUnique(t *testing.T) {
 			insertDoc: bson.D{{"v", "value"}},
 			new:       true,
 			// This test case passes only because of our hack for
-			// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/1147
+			// TODO https://github.com/documentdb/documentdb/issues/25
 			// failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/296",
 		},
 		"NotExistingFieldIndex": {
@@ -515,7 +515,7 @@ func TestCreateIndexesCompatUnique(t *testing.T) {
 			},
 			insertDoc: bson.D{{"v", int32(42)}},
 			// This test case passes only because of our hack for
-			// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/1147
+			// TODO https://github.com/documentdb/documentdb/issues/25
 			// failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/296",
 		},
 	} {

integration/op_query_test.go

@@ -23,7 +23,6 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/FerretDB/FerretDB/v2/internal/util/must"
 	"github.com/FerretDB/FerretDB/v2/internal/util/testutil"
 
 	"github.com/FerretDB/FerretDB/v2/integration/setup"
@@ -46,7 +45,7 @@ func TestOpQuery(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, q)
 		require.NoError(t, err)
 
-		resMsg, err := resBody.(*wire.OpReply).RawDocument().Decode()
+		resMsg, err := resBody.(*wire.OpReply).DocumentRaw().Decode()
 		require.NoError(t, err)
 
 		ok := resMsg.Get("ok")
@@ -68,7 +67,7 @@ func TestOpQuery(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, q)
 		require.NoError(t, err)
 
-		resMsg, err := resBody.(*wire.OpReply).RawDocument().Decode()
+		resMsg, err := resBody.(*wire.OpReply).DocumentRaw().Decode()
 		require.NoError(t, err)
 
 		ok := resMsg.Get("ok")
@@ -90,17 +89,17 @@ func TestOpQuery(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, q)
 		require.NoError(t, err)
 
-		res, err := resBody.(*wire.OpReply).RawDocument().Decode()
+		res, err := resBody.(*wire.OpReply).DocumentRaw().Decode()
 		require.NoError(t, err)
 
 		FixCluster(t, res)
 
-		expected := must.NotFail(wirebson.NewDocument(
+		expected := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "Bad numberToReturn (0) for $cmd type ns - can only be 1 or -1",
 			"code", int32(16979),
 			"codeName", "Location16979",
-		))
+		)
 
 		testutil.AssertEqual(t, expected, res)
 	})
@@ -132,7 +131,7 @@ func TestOpQueryIsMaster(t *testing.T) {
 			require.NoError(t, err)
 			assert.NotZero(t, resHeader.RequestID)
 
-			res, err := resBody.(*wire.OpReply).RawDocument().Decode()
+			res, err := resBody.(*wire.OpReply).DocumentRaw().Decode()
 			require.NoError(t, err)
 
 			connectionID := res.Get("connectionId")
@@ -156,7 +155,7 @@ func TestOpQueryIsMaster(t *testing.T) {
 
 			FixCluster(t, res)
 
-			expectedComparable := must.NotFail(wirebson.NewDocument(
+			expectedComparable := wirebson.MustDocument(
 				"ismaster", true,
 				"maxBsonObjectSize", int32(16777216),
 				"maxMessageSizeBytes", int32(48000000),
@@ -166,7 +165,7 @@ func TestOpQueryIsMaster(t *testing.T) {
 				"maxWireVersion", int32(21),
 				"readOnly", false,
 				"ok", float64(1),
-			))
+			)
 			testutil.AssertEqual(t, expectedComparable, res)
 		})
 	}
@@ -201,7 +200,7 @@ func TestOpQueryIsMasterHelloOk(t *testing.T) {
 			require.NoError(t, err)
 			assert.NotZero(t, resHeader.RequestID)
 
-			res, err := resBody.(*wire.OpReply).RawDocument().Decode()
+			res, err := resBody.(*wire.OpReply).DocumentRaw().Decode()
 			require.NoError(t, err)
 
 			connectionID := res.Get("connectionId")
@@ -225,7 +224,7 @@ func TestOpQueryIsMasterHelloOk(t *testing.T) {
 
 			FixCluster(t, res)
 
-			expectedComparable := must.NotFail(wirebson.NewDocument(
+			expectedComparable := wirebson.MustDocument(
 				"helloOk", true,
 				"ismaster", true,
 				"maxBsonObjectSize", int32(16777216),
@@ -236,7 +235,7 @@ func TestOpQueryIsMasterHelloOk(t *testing.T) {
 				"maxWireVersion", int32(21),
 				"readOnly", false,
 				"ok", float64(1),
-			))
+			)
 			testutil.AssertEqual(t, expectedComparable, res)
 		})
 	}
@@ -262,7 +261,7 @@ func TestOpQueryHello(tt *testing.T) {
 	_, resBody, err := conn.Request(ctx, q)
 	require.NoError(t, err)
 
-	res, err := resBody.(*wire.OpReply).RawDocument().Decode()
+	res, err := resBody.(*wire.OpReply).DocumentRaw().Decode()
 	require.NoError(t, err)
 
 	connectionID := res.Get("connectionId")
@@ -286,7 +285,7 @@ func TestOpQueryHello(tt *testing.T) {
 
 	FixCluster(t, res)
 
-	expectedComparable := must.NotFail(wirebson.NewDocument(
+	expectedComparable := wirebson.MustDocument(
 		"isWritablePrimary", true,
 		"maxBsonObjectSize", int32(16777216),
 		"maxMessageSizeBytes", int32(48000000),
@@ -296,6 +295,6 @@ func TestOpQueryHello(tt *testing.T) {
 		"maxWireVersion", int32(21),
 		"readOnly", false,
 		"ok", float64(1),
-	))
+	)
 	testutil.AssertEqual(t, expectedComparable, res)
 }

integration/query/insert_test.go

@@ -0,0 +1,126 @@
+// Copyright 2021 FerretDB Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package query
+
+import (
+	"testing"
+	"time"
+
+	"github.com/FerretDB/wire"
+	"github.com/FerretDB/wire/wirebson"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/FerretDB/FerretDB/v2/integration/setup"
+)
+
+func TestInsertZeroTimestamp(tt *testing.T) {
+	tt.Parallel()
+
+	var t testing.TB = tt
+
+	s := setup.SetupWithOpts(t, &setup.SetupOpts{WireConn: setup.WireConnAuth})
+
+	_, resp, err := s.WireConn.Request(s.Ctx, wire.MustOpMsg(
+		"insert", s.Collection.Name(),
+		"documents", wirebson.MustArray(
+			wirebson.MustDocument(
+				"_id", "id",
+				"v", wirebson.Timestamp(0),
+				"d", wirebson.MustDocument(
+					"dv", wirebson.Timestamp(0),
+				),
+			),
+		),
+		"$db", s.Collection.Database().Name(),
+	))
+	require.NoError(t, err)
+
+	actual, err := resp.(*wire.OpMsg).Document()
+	require.NoError(t, err)
+	require.Equal(t, 1.0, actual.Get("ok"))
+
+	_, resp, err = s.WireConn.Request(s.Ctx, wire.MustOpMsg(
+		"find", s.Collection.Name(),
+		"$db", s.Collection.Database().Name(),
+	))
+	require.NoError(t, err)
+
+	actual, err = resp.(*wire.OpMsg).DocumentDeep()
+	require.NoError(t, err)
+	require.Equal(t, 1.0, actual.Get("ok"))
+
+	batch := actual.Get("cursor").(*wirebson.Document).Get("firstBatch").(*wirebson.Array)
+
+	d := batch.Get(0).(*wirebson.Document).Get("d").(*wirebson.Document)
+	assert.Equal(t, wirebson.Timestamp(0), d.Get("dv"))
+
+	// TODO https://github.com/FerretDB/FerretDB/issues/1608
+	t = setup.FailsForFerretDB(t, "https://github.com/FerretDB/FerretDB/issues/1608")
+
+	v := batch.Get(0).(*wirebson.Document).Get("v").(wirebson.Timestamp)
+	assert.NotEqual(t, wirebson.Timestamp(0), v)
+	assert.NotZero(t, v.I())
+	assert.InDelta(t, time.Now().Unix(), v.T(), 5.0)
+}
+
+func TestInsertZeroTimestampBypass(tt *testing.T) {
+	tt.Parallel()
+
+	var t testing.TB = tt
+
+	s := setup.SetupWithOpts(t, &setup.SetupOpts{WireConn: setup.WireConnAuth})
+
+	// TODO https://github.com/FerretDB/FerretDB/issues/5073
+	t = setup.FailsForMongoDB(t, "https://github.com/FerretDB/FerretDB/issues/5073")
+
+	_, resp, err := s.WireConn.Request(s.Ctx, wire.MustOpMsg(
+		"insert", s.Collection.Name(),
+		"documents", wirebson.MustArray(
+			wirebson.MustDocument(
+				"_id", "id",
+				"v", wirebson.Timestamp(0),
+				"d", wirebson.MustDocument(
+					"dv", wirebson.Timestamp(0),
+				),
+			),
+		),
+		"bypassEmptyTsReplacement", true,
+		"$db", s.Collection.Database().Name(),
+	))
+	require.NoError(t, err)
+
+	actual, err := resp.(*wire.OpMsg).Document()
+	require.NoError(t, err)
+	require.Equal(t, 1.0, actual.Get("ok"))
+
+	_, resp, err = s.WireConn.Request(s.Ctx, wire.MustOpMsg(
+		"find", s.Collection.Name(),
+		"$db", s.Collection.Database().Name(),
+	))
+	require.NoError(t, err)
+
+	actual, err = resp.(*wire.OpMsg).DocumentDeep()
+	require.NoError(t, err)
+	require.Equal(t, 1.0, actual.Get("ok"))
+
+	batch := actual.Get("cursor").(*wirebson.Document).Get("firstBatch").(*wirebson.Array)
+
+	d := batch.Get(0).(*wirebson.Document).Get("d").(*wirebson.Document)
+	assert.Equal(t, wirebson.Timestamp(0), d.Get("dv"))
+
+	v := batch.Get(0).(*wirebson.Document).Get("v").(wirebson.Timestamp)
+	assert.Equal(t, wirebson.Timestamp(0), v)
+}

integration/query_array_compat_test.go

@@ -116,10 +116,10 @@ func TestQueryArrayCompatDotNotation(t *testing.T) {
 		"FieldArrayIndex": {
 			filter: bson.D{{"v.foo[0]", int32(42)}},
 		},
-		"FieldArrayAsterix": {
+		"FieldArrayAsterisk": {
 			filter: bson.D{{"v.foo[*]", int32(42)}},
 		},
-		"FieldAsterix": {
+		"FieldAsterisk": {
 			filter: bson.D{{"v.*", int32(42)}},
 		},
 		"FieldAt": {

integration/query_compat_test.go

@@ -125,14 +125,14 @@ func testQueryCompatWithProviders(t *testing.T, providers shareddata.Providers,
 						t = setup.FailsForFerretDB(tt, tc.failsForFerretDB)
 					}
 
-					targetIdx, tagetErr := targetCollection.Indexes().CreateOne(ctx, mongo.IndexModel{
+					targetIdx, targetErr := targetCollection.Indexes().CreateOne(ctx, mongo.IndexModel{
 						Keys: bson.D{{"v", 1}},
 					})
 					compatIdx, compatErr := compatCollection.Indexes().CreateOne(ctx, mongo.IndexModel{
 						Keys: bson.D{{"v", 1}},
 					})
 
-					require.NoError(t, tagetErr)
+					require.NoError(t, targetErr)
 					require.NoError(t, compatErr)
 					require.Equal(t, compatIdx, targetIdx)
 
@@ -283,10 +283,13 @@ func TestQueryCompatSort(t *testing.T) {
 			resultType:       EmptyResult,
 			failsForFerretDB: "https://github.com/FerretDB/FerretDB-DocumentDB/issues/241",
 		},
-		"DotNotationIndex": {
-			filter: bson.D{},
-			sort:   bson.D{{"v.0", 1}, {"_id", 1}},
-		},
+
+		// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/355
+		// "DotNotationIndex": {
+		// 	filter: bson.D{},
+		// 	sort:   bson.D{{"v.0", 1}, {"_id", 1}},
+		// },
+
 		"DotNotationNonExistent": {
 			filter: bson.D{},
 			sort:   bson.D{{"invalid.foo", 1}, {"_id", 1}},

integration/query_test.go

@@ -680,6 +680,11 @@ func TestQueryShowRecordID(t *testing.T) {
 			cursor, err := tc.collection.Find(ctx, bson.D{}, opts)
 			require.NoError(t, err)
 
+			if setup.IsYugabyteDB(t) {
+				// TODO https://github.com/yugabyte/yugabyte-db/issues/27989
+				t.Skip("https://github.com/yugabyte/yugabyte-db/issues/27989")
+			}
+
 			var res []bson.D
 			err = cursor.All(ctx, &res)
 			require.NoError(t, cursor.Close(ctx))

integration/session/endsessions_test.go

@@ -130,12 +130,12 @@ func TestEndSessionsImmediateCleanup(t *testing.T) {
 
 	time.Sleep(10 * cleanupInterval)
 
-	expectedErr := must.NotFail(wirebson.NewDocument(
+	expectedErr := wirebson.MustDocument(
 		"ok", float64(0),
 		"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 		"code", int32(43),
 		"codeName", "CursorNotFound",
-	))
+	)
 
 	getMore(t, ctx, conn, dbName, cName, sessionID, cursorID, expectedErr)
 }
@@ -152,12 +152,12 @@ func TestEndSessionsErrors(t *testing.T) {
 
 	t.Run("NotArray", func(t *testing.T) {
 		sessions := "invalid"
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'endSessions.endSessions' is the wrong type 'string', expected type 'array'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		endSessions(t, ctx, conn, dbName, sessions, expectedErr)
 	})
@@ -179,17 +179,17 @@ func TestEndSessionsUnauthenticated(t *testing.T) {
 	))
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"ok", float64(0),
 		"errmsg", "Command endSessions requires authentication",
 		"code", int32(13),
 		"codeName", "Unauthorized",
-	))
+	)
 
 	testutil.AssertEqual(t, expected, res)
 }
@@ -205,7 +205,7 @@ func endSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, dbNam
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -216,9 +216,8 @@ func endSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, dbNam
 		return
 	}
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"ok", float64(1),
-	))
-
+	)
 	testutil.AssertEqual(t, expected, res)
 }

integration/session/killallsessions_test.go

@@ -79,12 +79,12 @@ func TestKillAllSessions(t *testing.T) {
 
 		killAllSessions(t, ctx, user1Conn, dbName, users, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user1CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, user1SessionID, user1CursorID, expectedErr)
 
@@ -107,21 +107,21 @@ func TestKillAllSessions(t *testing.T) {
 
 		killAllSessions(t, ctx, user1Conn, dbName, users, nil)
 
-		expectedErr1 := must.NotFail(wirebson.NewDocument(
+		expectedErr1 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user1CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, user1SessionID, user1CursorID, expectedErr1)
 
-		expectedErr2 := must.NotFail(wirebson.NewDocument(
+		expectedErr2 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user2CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, user2SessionID, user2CursorID, expectedErr2)
 	})
@@ -139,21 +139,21 @@ func TestKillAllSessions(t *testing.T) {
 
 		killAllSessions(t, ctx, user1Conn, dbName, users, nil)
 
-		expectedErr1 := must.NotFail(wirebson.NewDocument(
+		expectedErr1 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID1),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID1, cursorID1, expectedErr1)
 
-		expectedErr2 := must.NotFail(wirebson.NewDocument(
+		expectedErr2 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID2),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID2, cursorID2, expectedErr2)
 	})
@@ -173,12 +173,12 @@ func TestKillAllSessions(t *testing.T) {
 
 		killSessions(t, ctx, user1Conn, dbName, sessions, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -222,12 +222,12 @@ func TestKillAllSessionsErrors(t *testing.T) {
 	t.Run("NotArrayUsers", func(t *testing.T) {
 		users := "invalid"
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsCmd.killAllSessions' is the wrong type 'string', expected type 'array'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessions(t, ctx, conn, dbName, users, expectedErr)
 	})
@@ -235,12 +235,12 @@ func TestKillAllSessionsErrors(t *testing.T) {
 	t.Run("NotDocumentUser", func(t *testing.T) {
 		users := wirebson.MustArray("invalid")
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsCmd.killAllSessions.0' is the wrong type 'string', expected type 'object'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessions(t, ctx, conn, dbName, users, expectedErr)
 	})
@@ -248,12 +248,12 @@ func TestKillAllSessionsErrors(t *testing.T) {
 	t.Run("MissingDB", func(t *testing.T) {
 		users := wirebson.MustArray(wirebson.MustDocument("user", "foo"))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsCmd.killAllSessions.db' is missing but a required field",
 			"code", int32(40414),
 			"codeName", "Location40414",
-		))
+		)
 
 		killAllSessions(t, ctx, conn, dbName, users, expectedErr)
 	})
@@ -261,12 +261,12 @@ func TestKillAllSessionsErrors(t *testing.T) {
 	t.Run("BoolDB", func(t *testing.T) {
 		users := wirebson.MustArray(wirebson.MustDocument("db", true, "user", "foo"))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsCmd.killAllSessions.db' is the wrong type 'bool', expected type 'string'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessions(t, ctx, conn, dbName, users, expectedErr)
 	})
@@ -274,12 +274,12 @@ func TestKillAllSessionsErrors(t *testing.T) {
 	t.Run("MissingUser", func(t *testing.T) {
 		users := wirebson.MustArray(wirebson.MustDocument("db", "bar"))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsCmd.killAllSessions.user' is missing but a required field",
 			"code", int32(40414),
 			"codeName", "Location40414",
-		))
+		)
 
 		killAllSessions(t, ctx, conn, dbName, users, expectedErr)
 	})
@@ -287,12 +287,12 @@ func TestKillAllSessionsErrors(t *testing.T) {
 	t.Run("BoolUser", func(t *testing.T) {
 		users := wirebson.MustArray(wirebson.MustDocument("db", "bar", "user", false))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsCmd.killAllSessions.user' is the wrong type 'bool', expected type 'string'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessions(t, ctx, conn, dbName, users, expectedErr)
 	})
@@ -341,21 +341,21 @@ func TestKillAllSessionsAllUsers(t *testing.T) {
 
 	killAllSessions(t, ctx, user1Conn, dbName, users, nil)
 
-	expectedErr1 := must.NotFail(wirebson.NewDocument(
+	expectedErr1 := wirebson.MustDocument(
 		"ok", float64(0),
 		"errmsg", fmt.Sprintf("cursor id %d not found", user1CursorID),
 		"code", int32(43),
 		"codeName", "CursorNotFound",
-	))
+	)
 
 	getMore(t, ctx, user1Conn, dbName, cName, user1SessionID, user1CursorID, expectedErr1)
 
-	expectedErr2 := must.NotFail(wirebson.NewDocument(
+	expectedErr2 := wirebson.MustDocument(
 		"ok", float64(0),
 		"errmsg", fmt.Sprintf("cursor id %d not found", user2CursorID),
 		"code", int32(43),
 		"codeName", "CursorNotFound",
-	))
+	)
 
 	getMore(t, ctx, user1Conn, dbName, cName, user2SessionID, user2CursorID, expectedErr2)
 }
@@ -371,7 +371,7 @@ func killAllSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, d
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -382,9 +382,9 @@ func killAllSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, d
 		return
 	}
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"ok", float64(1),
-	))
+	)
 
 	testutil.AssertEqual(t, expected, res)
 }

integration/session/killallsessionsbypattern_test.go

@@ -17,6 +17,7 @@ package session
 import (
 	"context"
 	"fmt"
+	"net/url"
 	"testing"
 
 	"github.com/FerretDB/wire"
@@ -84,12 +85,12 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -110,12 +111,12 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user2Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -163,20 +164,20 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr1 := must.NotFail(wirebson.NewDocument(
+		expectedErr1 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID1),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, session1ID, cursorID1, expectedErr1)
 
-		expectedErr2 := must.NotFail(wirebson.NewDocument(
+		expectedErr2 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID2),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, session2ID, cursorID2, expectedErr2)
 	})
 
@@ -197,12 +198,12 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user1CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, user1CursorID, expectedErr)
 
 		getMore(t, ctx, user2Conn, dbName, cName, sessionID, user2CursorID, nil)
@@ -223,20 +224,20 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr1 := must.NotFail(wirebson.NewDocument(
+		expectedErr1 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID1),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID1, expectedErr1)
 
-		expectedErr2 := must.NotFail(wirebson.NewDocument(
+		expectedErr2 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID2),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID2, expectedErr2)
 	})
 
@@ -251,12 +252,12 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -272,12 +273,12 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user2Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -329,20 +330,20 @@ func TestKillAllSessionsByPattern(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, nil)
 
-		expectedErr1 := must.NotFail(wirebson.NewDocument(
+		expectedErr1 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user1CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, user1SessionID, user1CursorID, expectedErr1)
 
-		expectedErr2 := must.NotFail(wirebson.NewDocument(
+		expectedErr2 := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user2CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, user2SessionID, user2CursorID, expectedErr2)
 
 		getMore(t, ctx, user1Conn, dbName, cName, user1NotKillSessionID, user1NotKillCursorID, nil)
@@ -387,12 +388,12 @@ func TestKillAllSessionsByPatternAllUsers(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user2Conn, dbName, pattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -407,12 +408,12 @@ func TestKillAllSessionsByPatternAllUsers(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, emptyUsersPattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
 
@@ -430,12 +431,12 @@ func TestKillAllSessionsByPatternAllUsers(t *testing.T) {
 
 		// user1 does not match the pattern, but the cursor of user1 is deleted unexpectedly
 		// and FerretDB exhibits the same behavior for the compatibility
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user1CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, user1SessionID, user1CursorID, expectedErr)
 	})
 
@@ -451,12 +452,12 @@ func TestKillAllSessionsByPatternAllUsers(t *testing.T) {
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, user1Pattern, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
 
@@ -474,12 +475,12 @@ func TestKillAllSessionsByPatternAllUsers(t *testing.T) {
 
 		// sessions of user2 was killed, not user1, but the cursor of user1 is deleted unexpectedly
 		// and FerretDB exhibits the same behavior for the compatibility
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user1CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user1Conn, dbName, cName, user1SessionID, user1CursorID, expectedErr)
 	})
 }
@@ -504,12 +505,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 	t.Run("NonArrayPatterns", func(t *testing.T) {
 		pattern := "invalid"
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern' is the wrong type 'string', expected type 'array'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -517,12 +518,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 	t.Run("StringPattern", func(t *testing.T) {
 		pattern := wirebson.MustArray("invalid")
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.0' is the wrong type 'string', expected type 'object'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -532,12 +533,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 
 		pattern := wirebson.MustArray(wirebson.MustDocument("invalid", "foo"))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.invalid' is an unknown field.",
 			"code", int32(40415),
 			"codeName", "Location40415",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -545,12 +546,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 	t.Run("LsidString", func(t *testing.T) {
 		pattern := wirebson.MustArray(wirebson.MustDocument("lsid", "invalid"))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.lsid' is the wrong type 'string', expected type 'object'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -558,12 +559,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 	t.Run("LsidMissingID", func(t *testing.T) {
 		pattern := wirebson.MustArray(wirebson.MustDocument("lsid", wirebson.MustDocument()))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.lsid.id' is missing but a required field",
 			"code", int32(40414),
 			"codeName", "Location40414",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -571,12 +572,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 	t.Run("LsidStringID", func(t *testing.T) {
 		pattern := wirebson.MustArray(wirebson.MustDocument("lsid", wirebson.MustDocument("id", "invalid")))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.lsid.id' is the wrong type 'string', expected type 'binData'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -586,12 +587,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 			"id", wirebson.Binary{Subtype: wirebson.BinaryFunction},
 		)))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.lsid.id' is the wrong binData type 'function', expected type 'UUID'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -601,12 +602,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 			"id", wirebson.Binary{Subtype: wirebson.BinaryUUID},
 		)))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "uuid must be a 16-byte binary field with UUID (4) subtype",
 			"code", int32(207),
 			"codeName", "InvalidUUID",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -618,12 +619,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 			"id", wirebson.Binary{B: randomUUID[:], Subtype: wirebson.BinaryUUID},
 		)))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.lsid.uid' is missing but a required field",
 			"code", int32(40414),
 			"codeName", "Location40414",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -636,12 +637,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 			"uid", "invalid",
 		)))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.lsid.uid' is the wrong type 'string', expected type 'binData'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -654,12 +655,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 			"uid", wirebson.Binary{},
 		)))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "Unsupported SHA256Block hash length: 0",
 			"code", int32(12),
 			"codeName", "UnsupportedFormat",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -672,12 +673,12 @@ func TestKillAllSessionsByPatternErrors(t *testing.T) {
 			"uid", wirebson.Binary{Subtype: wirebson.BinaryFunction},
 		)))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.lsid.uid' is the wrong binData type 'function', expected type 'general'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -705,12 +706,12 @@ func TestKillAllSessionsByPatternUIDErrors(t *testing.T) {
 			wirebson.MustDocument("uid", "invalid"),
 		)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.uid' is the wrong type 'string', expected type 'binData'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -720,12 +721,12 @@ func TestKillAllSessionsByPatternUIDErrors(t *testing.T) {
 			wirebson.MustDocument("uid", wirebson.Binary{}),
 		)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "Unsupported SHA256Block hash length: 0",
 			"code", int32(12),
 			"codeName", "UnsupportedFormat",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -735,12 +736,12 @@ func TestKillAllSessionsByPatternUIDErrors(t *testing.T) {
 			wirebson.MustDocument("uid", wirebson.Binary{Subtype: wirebson.BinaryFunction}),
 		)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.uid' is the wrong binData type 'function', expected type 'general'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -766,12 +767,12 @@ func TestKillAllSessionsByPatternUsersErrors(t *testing.T) {
 	t.Run("NotArrayUsers", func(t *testing.T) {
 		pattern := wirebson.MustArray(wirebson.MustDocument("users", "invalid"))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.users' is the wrong type 'string', expected type 'array'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -781,12 +782,12 @@ func TestKillAllSessionsByPatternUsersErrors(t *testing.T) {
 			"users", wirebson.MustArray("invalid"),
 		))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.users.0' is the wrong type 'string', expected type 'object'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -796,12 +797,12 @@ func TestKillAllSessionsByPatternUsersErrors(t *testing.T) {
 			"users", wirebson.MustArray(wirebson.MustDocument("user", "foo")),
 		))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.users.db' is missing but a required field",
 			"code", int32(40414),
 			"codeName", "Location40414",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -811,12 +812,12 @@ func TestKillAllSessionsByPatternUsersErrors(t *testing.T) {
 			"users", wirebson.MustArray(wirebson.MustDocument("db", true, "user", "foo")),
 		))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.users.db' is the wrong type 'bool', expected type 'string'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -826,12 +827,12 @@ func TestKillAllSessionsByPatternUsersErrors(t *testing.T) {
 			"users", wirebson.MustArray(wirebson.MustDocument("db", "bar")),
 		))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.users.user' is missing but a required field",
 			"code", int32(40414),
 			"codeName", "Location40414",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -841,12 +842,12 @@ func TestKillAllSessionsByPatternUsersErrors(t *testing.T) {
 			"users", wirebson.MustArray(wirebson.MustDocument("db", "bar", "user", false)),
 		))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'KillAllSessionsByPatternCmd.killAllSessionsByPattern.users.user' is the wrong type 'bool', expected type 'string'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killAllSessionsByPattern(t, ctx, user1Conn, dbName, pattern, expectedErr)
 	})
@@ -890,14 +891,17 @@ func createKillSessionUser(t *testing.T, ctx context.Context, db *mongo.Database
 	}).Err()
 	require.NoError(t, err)
 
-	conn, err := wireclient.Connect(ctx, mongoDBURI, testutil.Logger(t))
+	clearUri, _, _, authMechanism, err := wireclient.Credentials(mongoDBURI)
+	require.NoError(t, err)
+
+	conn, err := wireclient.Connect(ctx, clearUri, testutil.Logger(t))
 	require.NoError(t, err)
 
 	t.Cleanup(func() {
 		require.NoError(t, conn.Close())
 	})
 
-	err = conn.Login(ctx, username, password, db.Name())
+	err = conn.Login(ctx, url.UserPassword(username, password), db.Name(), authMechanism)
 	require.NoError(t, err)
 
 	return conn
@@ -914,7 +918,7 @@ func killAllSessionsByPattern(t testing.TB, ctx context.Context, conn *wireclien
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -925,9 +929,9 @@ func killAllSessionsByPattern(t testing.TB, ctx context.Context, conn *wireclien
 		return
 	}
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"ok", float64(1),
-	))
+	)
 
 	testutil.AssertEqual(t, expected, res)
 }

integration/session/killsessions_test.go

@@ -121,12 +121,12 @@ func TestKillSessions(t *testing.T) {
 
 		killSessions(t, ctx, conn, dbName, sessions, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -142,12 +142,12 @@ func TestKillSessions(t *testing.T) {
 
 		refreshSessions(t, ctx, conn, dbName, nil, sessions, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -163,12 +163,12 @@ func TestKillSessions(t *testing.T) {
 
 		endSessions(t, ctx, conn, dbName, sessions, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, conn, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -176,12 +176,12 @@ func TestKillSessions(t *testing.T) {
 	t.Run("EmptyUUIDSessionID", func(t *testing.T) {
 		sessions := wirebson.MustArray(wirebson.MustDocument("id", wirebson.Binary{Subtype: wirebson.BinaryUUID}))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "uuid must be a 16-byte binary field with UUID (4) subtype",
 			"code", int32(207),
 			"codeName", "InvalidUUID",
-		))
+		)
 
 		killSessions(t, ctx, conn, dbName, sessions, expectedErr)
 	})
@@ -245,12 +245,12 @@ func TestKillSessionsDifferentUser(t *testing.T) {
 
 		getMore(t, ctx, user1Conn, dbName, cName, user1SessionID, user1CursorID, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", user2CursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 		getMore(t, ctx, user2Conn, dbName, cName, user2SessionID, user2CursorID, expectedErr)
 	})
 }
@@ -266,7 +266,7 @@ func killSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, dbNa
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -277,9 +277,9 @@ func killSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, dbNa
 		return
 	}
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"ok", float64(1),
-	))
+	)
 
 	testutil.AssertEqual(t, expected, res)
 }

integration/session/refreshsessions_test.go

@@ -87,12 +87,12 @@ func TestRefreshSessionsErrors(t *testing.T) {
 
 	t.Run("NotArray", func(t *testing.T) {
 		sessions := "invalid"
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'refreshSessions.refreshSessions' is the wrong type 'string', expected type 'array'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		refreshSessions(t, ctx, conn, dbName, nil, sessions, expectedErr)
 	})
@@ -100,12 +100,12 @@ func TestRefreshSessionsErrors(t *testing.T) {
 	t.Run("NotSessionDocument", func(t *testing.T) {
 		sessions := wirebson.MustArray("invalid")
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'refreshSessions.refreshSessionsFromClient.0' is the wrong type 'string', expected type 'object'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		refreshSessions(t, ctx, conn, dbName, nil, sessions, expectedErr)
 	})
@@ -113,12 +113,12 @@ func TestRefreshSessionsErrors(t *testing.T) {
 	t.Run("MissingID", func(t *testing.T) {
 		sessions := wirebson.MustArray(wirebson.MustDocument())
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'refreshSessions.refreshSessionsFromClient.id' is missing but a required field",
 			"code", int32(40414),
 			"codeName", "Location40414",
-		))
+		)
 
 		refreshSessions(t, ctx, conn, dbName, nil, sessions, expectedErr)
 	})
@@ -126,12 +126,12 @@ func TestRefreshSessionsErrors(t *testing.T) {
 	t.Run("WrongIDType", func(t *testing.T) {
 		sessions := wirebson.MustArray(wirebson.MustDocument("id", "invalid"))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'refreshSessions.refreshSessionsFromClient.id' is the wrong type 'string', expected type 'binData'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		refreshSessions(t, ctx, conn, dbName, nil, sessions, expectedErr)
 	})
@@ -139,12 +139,12 @@ func TestRefreshSessionsErrors(t *testing.T) {
 	t.Run("WrongIDSubtype", func(t *testing.T) {
 		sessions := wirebson.MustArray(wirebson.MustDocument("id", wirebson.Binary{Subtype: wirebson.BinaryFunction}))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'refreshSessions.refreshSessionsFromClient.id' is the wrong binData type 'function', expected type 'UUID'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		refreshSessions(t, ctx, conn, dbName, nil, sessions, expectedErr)
 	})
@@ -152,12 +152,12 @@ func TestRefreshSessionsErrors(t *testing.T) {
 	t.Run("NotUUID", func(t *testing.T) {
 		sessions := wirebson.MustArray(wirebson.MustDocument("id", wirebson.Binary{Subtype: wirebson.BinaryUUID}))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "uuid must be a 16-byte binary field with UUID (4) subtype",
 			"code", int32(207),
 			"codeName", "InvalidUUID",
-		))
+		)
 
 		refreshSessions(t, ctx, conn, dbName, nil, sessions, expectedErr)
 	})
@@ -166,12 +166,12 @@ func TestRefreshSessionsErrors(t *testing.T) {
 		lsid := wirebson.Binary{Subtype: wirebson.BinaryUUID}
 		sessions := wirebson.MustArray(wirebson.MustDocument("id", wirebson.Binary{Subtype: wirebson.BinaryUUID}))
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "uuid must be a 16-byte binary field with UUID (4) subtype",
 			"code", int32(207),
 			"codeName", "InvalidUUID",
-		))
+		)
 
 		refreshSessions(t, ctx, conn, dbName, lsid, sessions, expectedErr)
 	})
@@ -196,7 +196,7 @@ func refreshSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, d
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -207,9 +207,9 @@ func refreshSessions(t testing.TB, ctx context.Context, conn *wireclient.Conn, d
 		return
 	}
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"ok", float64(1),
-	))
+	)
 
 	testutil.AssertEqual(t, expected, res)
 }

integration/session/startsession_test.go

@@ -19,6 +19,7 @@ import (
 	"crypto/sha256"
 	"encoding/base64"
 	"fmt"
+	"net/url"
 	"testing"
 
 	"github.com/FerretDB/wire"
@@ -43,14 +44,17 @@ func TestSessionConnection(t *testing.T) {
 	ctx, collection, db, conn1 := s.Ctx, s.Collection, s.Collection.Database(), s.WireConn
 	cName, dbName := collection.Name(), db.Name()
 
-	conn2, err := wireclient.Connect(ctx, s.MongoDBURI, testutil.Logger(t))
+	clearUri, _, _, authMechanism, err := wireclient.Credentials(s.MongoDBURI)
+	require.NoError(t, err)
+
+	conn2, err := wireclient.Connect(ctx, clearUri, testutil.Logger(t))
 	require.NoError(t, err)
 
 	t.Cleanup(func() {
 		require.NoError(t, conn2.Close())
 	})
 
-	err = conn2.Login(ctx, "username", "password", "admin")
+	err = conn2.Login(ctx, url.UserPassword("username", "password"), "admin", authMechanism)
 	require.NoError(t, err)
 
 	_, err = collection.InsertMany(ctx, bson.A{
@@ -122,10 +126,15 @@ func TestSessionConnection(t *testing.T) {
 
 	t.Run("CloseConnection", func(t *testing.T) {
 		var anotherConn *wireclient.Conn
-		anotherConn, err = wireclient.Connect(ctx, s.MongoDBURI, testutil.Logger(t))
+		var creds *url.Userinfo
+
+		clearUri, creds, _, authMechanism, err = wireclient.Credentials(s.MongoDBURI)
 		require.NoError(t, err)
 
-		err = anotherConn.Login(ctx, "username", "password", "admin")
+		anotherConn, err = wireclient.Connect(ctx, clearUri, testutil.Logger(t))
+		require.NoError(t, err)
+
+		err = anotherConn.Login(ctx, creds, "admin", authMechanism)
 		require.NoError(t, err)
 
 		sessionID := startSession(t, ctx, anotherConn)
@@ -185,12 +194,12 @@ func TestSessionConnection(t *testing.T) {
 
 		killCursors(t, ctx, conn1, dbName, cName, cursorID, sessionID, nil)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", fmt.Sprintf("cursor id %d not found", cursorID),
 			"code", int32(43),
 			"codeName", "CursorNotFound",
-		))
+		)
 
 		getMore(t, ctx, conn1, dbName, cName, sessionID, cursorID, expectedErr)
 	})
@@ -202,12 +211,12 @@ func TestSessionConnection(t *testing.T) {
 
 		invalidSessionID := "invalid"
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			"errmsg", "BSON field 'OperationSessionInfo.lsid.id' is the wrong type 'string', expected type 'binData'",
 			"code", int32(14),
 			"codeName", "TypeMismatch",
-		))
+		)
 
 		killCursors(t, ctx, conn1, dbName, cName, cursorID, invalidSessionID, expectedErr)
 
@@ -235,7 +244,7 @@ func TestFindLsidErrors(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, msg)
 		require.NoError(t, err)
 
-		res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+		res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 		require.NoError(t, err)
 
 		integration.FixCluster(t, res)
@@ -260,7 +269,7 @@ func TestFindLsidErrors(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, msg)
 		require.NoError(t, err)
 
-		res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+		res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 		require.NoError(t, err)
 
 		integration.FixCluster(t, res)
@@ -285,7 +294,7 @@ func TestFindLsidErrors(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, msg)
 		require.NoError(t, err)
 
-		res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+		res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 		require.NoError(t, err)
 
 		integration.FixCluster(t, res)
@@ -310,7 +319,7 @@ func TestFindLsidErrors(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, msg)
 		require.NoError(t, err)
 
-		res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+		res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 		require.NoError(t, err)
 
 		integration.FixCluster(t, res)
@@ -335,7 +344,7 @@ func TestFindLsidErrors(t *testing.T) {
 		_, resBody, err := conn.Request(ctx, msg)
 		require.NoError(t, err)
 
-		res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+		res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 		require.NoError(t, err)
 
 		integration.FixCluster(t, res)
@@ -380,14 +389,17 @@ func TestSessionConnectionDifferentUser(t *testing.T) {
 	}).Err()
 	require.NoError(t, err)
 
-	userConn, err := wireclient.Connect(ctx, s.MongoDBURI, testutil.Logger(t))
+	clearUri, _, _, authMechanism, err := wireclient.Credentials(s.MongoDBURI)
+	require.NoError(t, err)
+
+	userConn, err := wireclient.Connect(ctx, clearUri, testutil.Logger(t))
 	require.NoError(t, err)
 
 	t.Cleanup(func() {
 		require.NoError(t, userConn.Close())
 	})
 
-	err = userConn.Login(ctx, user, pass, dbName)
+	err = userConn.Login(ctx, url.UserPassword(user, pass), "admin", authMechanism)
 	require.NoError(t, err)
 
 	t.Cleanup(func() {
@@ -484,14 +496,14 @@ func TestSessionConnectionDifferentUser(t *testing.T) {
 
 		cursorID := find(t, ctx, adminConn, dbName, cName, sessionID)
 
-		expectedErr := must.NotFail(wirebson.NewDocument(
+		expectedErr := wirebson.MustDocument(
 			"ok", float64(0),
 			// errmsg field is not compared, because as it is difficult produce exact format of document as below
 			// `not authorized on admin to execute command{ killCursors: "test", cursors: [ 8541858944752455730 ],
 			// lsid: { id: UUID("363dad0b-d9b8-406f-9575-b11a3779faa0") }, $db: "admin" }`
 			"code", int32(13),
 			"codeName", "Unauthorized",
-		))
+		)
 
 		killCursors(t, ctx, userConn, dbName, cName, cursorID, sessionID, expectedErr)
 
@@ -510,7 +522,7 @@ func startSession(t testing.TB, ctx context.Context, conn *wireclient.Conn) wire
 	require.NoError(t, err)
 
 	var res *wirebson.Document
-	res, err = must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err = must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -553,7 +565,7 @@ func killCursors(t testing.TB, ctx context.Context, conn *wireclient.Conn, dbNam
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -569,13 +581,13 @@ func killCursors(t testing.TB, ctx context.Context, conn *wireclient.Conn, dbNam
 		return
 	}
 
-	expected := must.NotFail(wirebson.NewDocument(
+	expected := wirebson.MustDocument(
 		"cursorsKilled", wirebson.MustArray(cursorID),
-		"cursorsNotFound", wirebson.MakeArray(0),
-		"cursorsAlive", wirebson.MakeArray(0),
-		"cursorsUnknown", wirebson.MakeArray(0),
+		"cursorsNotFound", wirebson.MustArray(),
+		"cursorsAlive", wirebson.MustArray(),
+		"cursorsUnknown", wirebson.MustArray(),
 		"ok", float64(1),
-	))
+	)
 
 	testutil.AssertEqual(t, expected, res)
 }
@@ -602,7 +614,7 @@ func find(t testing.TB, ctx context.Context, conn *wireclient.Conn, db, coll str
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)
@@ -665,7 +677,7 @@ func getMore(t testing.TB, ctx context.Context, conn *wireclient.Conn, db, coll
 	_, resBody, err := conn.Request(ctx, msg)
 	require.NoError(t, err)
 
-	res, err := must.NotFail(resBody.(*wire.OpMsg).RawDocument()).DecodeDeep()
+	res, err := must.NotFail(resBody.(*wire.OpMsg).DocumentRaw()).DecodeDeep()
 	require.NoError(t, err)
 
 	integration.FixCluster(t, res)

integration/setup/client.go

@@ -22,6 +22,7 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/AlekSi/lazyerrors"
 	"github.com/FerretDB/wire/wireclient"
 	"github.com/stretchr/testify/require"
 	"go.mongodb.org/mongo-driver/mongo"
@@ -29,7 +30,6 @@ import (
 	"go.opentelemetry.io/contrib/instrumentation/go.mongodb.org/mongo-driver/mongo/otelmongo"
 	"go.opentelemetry.io/otel"
 
-	"github.com/FerretDB/FerretDB/v2/internal/util/lazyerrors"
 	"github.com/FerretDB/FerretDB/v2/internal/util/testutil"
 )
 
@@ -95,7 +95,7 @@ func makeClient(ctx context.Context, uri string, disableOtel bool) (*mongo.Clien
 func setupClient(tb testing.TB, ctx context.Context, uri string, disableOtel bool) *mongo.Client {
 	tb.Helper()
 
-	ctx, span := otel.Tracer("").Start(ctx, "setupClient")
+	ctx, span := otel.Tracer("").Start(ctx, "setup.setupClient")
 	defer span.End()
 
 	u, err := url.Parse(uri)
@@ -137,7 +137,7 @@ func setupClient(tb testing.TB, ctx context.Context, uri string, disableOtel boo
 func setupWireConn(tb testing.TB, ctx context.Context, uri string, l *slog.Logger) *wireclient.Conn {
 	tb.Helper()
 
-	ctx, span := otel.Tracer("").Start(ctx, "setupWireConn")
+	ctx, span := otel.Tracer("").Start(ctx, "setup.setupWireConn")
 	defer span.End()
 
 	conn, err := wireclient.Connect(ctx, uri, l)

integration/setup/helpers.go

@@ -17,8 +17,6 @@ package setup
 import (
 	"flag"
 	"os"
-	"path/filepath"
-	"runtime"
 	"strings"
 	"testing"
 
@@ -38,6 +36,15 @@ func IsMongoDB(tb testing.TB) bool {
 	return *targetBackendF == "mongodb"
 }
 
+// IsYugabyteDB returns true if the current test is running for `ferretdb-yugabytedb` backend.
+//
+// This function should not be used lightly.
+func IsYugabyteDB(tb testing.TB) bool {
+	tb.Helper()
+
+	return *targetBackendF == "ferretdb-yugabytedb"
+}
+
 // ensureIssueURL panics if URL is not a valid FerretDB issue URL.
 func ensureIssueURL(url string) {
 	ferretDB := strings.HasPrefix(url, "https://github.com/FerretDB/FerretDB/issues/")
@@ -98,17 +105,6 @@ func SkipForMongoDB(tb testing.TB, reason string) {
 	}
 }
 
-// Dir returns the absolute directory of this package.
-func Dir(tb testing.TB) string {
-	tb.Helper()
-
-	_, file, _, ok := runtime.Caller(0)
-	require.True(tb, ok)
-	require.True(tb, filepath.IsAbs(file))
-
-	return filepath.Dir(file)
-}
-
 // Main is the entry point for all integration test packages.
 // It should be called from main_test.go in each package.
 func Main(m *testing.M) {

integration/setup/listener.go

@@ -19,18 +19,16 @@ import (
 	"log/slog"
 	"net/url"
 	"os"
-	"path/filepath"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/otel"
 
-	"github.com/FerretDB/FerretDB/v2/internal/clientconn"
-	"github.com/FerretDB/FerretDB/v2/internal/documentdb"
-	"github.com/FerretDB/FerretDB/v2/internal/handler"
-	"github.com/FerretDB/FerretDB/v2/internal/util/logging"
+	"github.com/FerretDB/FerretDB/v2/internal/handler/middleware"
+	"github.com/FerretDB/FerretDB/v2/internal/util/setup"
 	"github.com/FerretDB/FerretDB/v2/internal/util/state"
+	"github.com/FerretDB/FerretDB/v2/internal/util/testutil"
 )
 
 // ListenerOpts represents setup options for in-process FerretDB listener.
@@ -85,13 +83,13 @@ func listenerMongoDBURI(tb testing.TB, hostPort, unixSocketPath string) string {
 func setupListener(tb testing.TB, ctx context.Context, opts *ListenerOpts, logger *slog.Logger) string {
 	tb.Helper()
 
-	ctx, span := otel.Tracer("").Start(ctx, "setupListener")
+	ctx, span := otel.Tracer("").Start(ctx, "setup.setupListener")
 	defer span.End()
 
 	require.Empty(tb, *targetURLF, "-target-url must be empty for in-process FerretDB")
 
 	switch *targetBackendF {
-	case "ferretdb":
+	case "ferretdb", "ferretdb-yugabytedb":
 		require.NotEmpty(tb, *postgreSQLURLF, "-postgresql-url must be set for %q", *targetBackendF)
 
 	case "mongodb":
@@ -109,59 +107,58 @@ func setupListener(tb testing.TB, ctx context.Context, opts *ListenerOpts, logge
 		opts = new(ListenerOpts)
 	}
 
-	p, err := documentdb.NewPool(*postgreSQLURLF, logging.WithName(logger, "pool"), sp)
-	require.NoError(tb, err)
-
-	handlerOpts := &handler.NewOpts{
-		Pool: p,
-		Auth: true,
-
-		// TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/566
-		TCPHost:     "",
-		ReplSetName: "",
-
-		L:             logging.WithName(logger, "handler"),
-		ConnMetrics:   listenerMetrics.ConnMetrics,
+	//exhaustruct:enforce
+	wireOpts := &setup.SetupOpts{
+		Logger:        logger,
 		StateProvider: sp,
+		Metrics:       middleware.NewMetrics(),
 
+		PostgreSQLURL:          *postgreSQLURLF,
+		Auth:                   true,
+		ReplSetName:            "", // TODO https://github.com/FerretDB/FerretDB-DocumentDB/issues/566
 		SessionCleanupInterval: opts.SessionCleanupInterval,
-	}
 
-	h, err := handler.New(handlerOpts)
-	require.NoError(tb, err)
+		ProxyAddr:        "",
+		ProxyTLSCertFile: "",
+		ProxyTLSKeyFile:  "",
+		ProxyTLSCAFile:   "",
 
-	listenerOpts := clientconn.ListenerOpts{
-		Handler:        h,
-		Metrics:        listenerMetrics,
-		Logger:         logger,
-		Mode:           clientconn.NormalMode,
-		ProxyAddr:      *targetProxyAddrF,
-		TestRecordsDir: filepath.Join(Dir(tb), "..", "..", "tmp", "records"),
-	}
+		TCPAddr:        "",
+		UnixAddr:       "",
+		TLSAddr:        "",
+		TLSCertFile:    "",
+		TLSKeyFile:     "",
+		TLSCAFile:      "",
+		Mode:           middleware.NormalMode,
+		TestRecordsDir: testutil.TmpRecordsDir,
 
-	if *targetProxyAddrF != "" {
-		listenerOpts.Mode = clientconn.DiffNormalMode
+		DataAPIAddr: "",
 	}
 
 	switch {
 	case *targetUnixSocketF:
-		listenerOpts.Unix = unixSocketPath(tb)
+		wireOpts.UnixAddr = unixSocketPath(tb)
 	default:
-		listenerOpts.TCP = "127.0.0.1:0"
+		wireOpts.TCPAddr = "127.0.0.1:0"
 	}
 
-	l, err := clientconn.Listen(&listenerOpts)
-	require.NoError(tb, err)
+	if *targetProxyAddrF != "" {
+		wireOpts.Mode = middleware.DiffNormalMode
+		wireOpts.ProxyAddr = *targetProxyAddrF
+	}
+
+	res := setup.Setup(ctx, wireOpts)
+	require.NotNil(tb, res)
 
 	runDone := make(chan struct{})
 
 	go func() {
 		defer close(runDone)
 
-		runCtx, runSpan := otel.Tracer("").Start(ctx, "setupListener.Run")
+		runCtx, runSpan := otel.Tracer("").Start(ctx, "setup.setupListener.Run")
 		defer runSpan.End()
 
-		l.Run(runCtx)
+		res.Run(runCtx)
 	}()
 
 	// ensure that all listener's and handler's logs are written before test ends
@@ -173,9 +170,9 @@ func setupListener(tb testing.TB, ctx context.Context, opts *ListenerOpts, logge
 
 	switch {
 	case *targetUnixSocketF:
-		unixSocketPath = l.UnixAddr().String()
+		unixSocketPath = res.WireListener.UnixAddr().String()
 	default:
-		hostPort = l.TCPAddr().String()
+		hostPort = res.WireListener.TCPAddr().String()
 	}
 
 	uri := listenerMongoDBURI(tb, hostPort, unixSocketPath)

integration/setup/setup.go

@@ -41,7 +41,7 @@ import (
 // Flags.
 var (
 	targetURLF     = flag.String("target-url", "", "target system's URL; if empty, in-process FerretDB is used")
-	targetBackendF = flag.String("target-backend", "", "target system's backend: '%s'"+strings.Join(allBackends, "', '"))
+	targetBackendF = flag.String("target-backend", "", "target system's backend: "+strings.Join(allBackends, ", "))
 
 	postgreSQLURLF    = flag.String("postgresql-url", "", "in-process FerretDB: PostgreSQL URL")
 	targetUnixSocketF = flag.Bool("target-unix-socket", false, "in-process FerretDB: use Unix domain socket")
@@ -62,7 +62,7 @@ var (
 
 // Other globals.
 var (
-	allBackends = []string{"ferretdb", "mongodb"}
+	allBackends = []string{"ferretdb", "ferretdb-yugabytedb", "mongodb"}
 )
 
 // WireConn defines if and how wire client connection is established.
@@ -147,7 +147,7 @@ func SetupWithOpts(tb testing.TB, opts *SetupOpts) *SetupResult {
 
 	ctx, cancel := context.WithCancel(testutil.Ctx(tb))
 
-	setupCtx, span := otel.Tracer("").Start(ctx, "SetupWithOpts")
+	setupCtx, span := otel.Tracer("").Start(ctx, "setup.SetupWithOpts")
 	defer span.End()
 
 	if opts == nil {
@@ -204,7 +204,10 @@ func SetupWithOpts(tb testing.TB, opts *SetupOpts) *SetupResult {
 	var conn *wireclient.Conn
 
 	if opts.WireConn != WireConnNoConn {
-		conn = setupWireConn(tb, setupCtx, uri, testutil.Logger(tb))
+		clearUri, creds, _, authMechanism, err := wireclient.Credentials(uri)
+		require.NoError(tb, err)
+
+		conn = setupWireConn(tb, setupCtx, clearUri, testutil.Logger(tb))
 
 		if opts.WireConn == WireConnAuth {
 			u, err := url.Parse(uri)
@@ -216,7 +219,7 @@ func SetupWithOpts(tb testing.TB, opts *SetupOpts) *SetupResult {
 			pass, _ := u.User.Password()
 			require.NotEmpty(tb, pass)
 
-			require.NoError(tb, conn.Login(ctx, user, pass, "admin"))
+			require.NoError(tb, conn.Login(ctx, creds, "admin", authMechanism))
 		}
 	}
 
@@ -245,7 +248,7 @@ func Setup(tb testing.TB, providers ...shareddata.Provider) (context.Context, *m
 func setupCollection(tb testing.TB, ctx context.Context, client *mongo.Client, opts *SetupOpts) *mongo.Collection {
 	tb.Helper()
 
-	ctx, span := otel.Tracer("").Start(ctx, "setupCollection")
+	ctx, span := otel.Tracer("").Start(ctx, "setup.setupCollection")
 	defer span.End()
 
 	var ownDatabase bool
@@ -261,10 +264,10 @@ func setupCollection(tb testing.TB, ctx context.Context, client *mongo.Client, o
 	collection := database.Collection(collectionName)
 
 	// drop remnants of the previous failed run
-	_ = collection.Drop(ctx)
 	if ownDatabase {
-		_ = database.RunCommand(ctx, bson.D{{"dropAllUsersFromDatabase", 1}})
-		_ = database.Drop(ctx)
+		cleanupDatabase(tb, ctx, database)
+	} else {
+		cleanupCollection(tb, ctx, collection)
 	}
 
 	// drop collection and (possibly) database unless test failed
@@ -274,16 +277,13 @@ func setupCollection(tb testing.TB, ctx context.Context, client *mongo.Client, o
 			return
 		}
 
-		err := collection.Drop(ctx)
-		require.NoError(tb, err)
-
 		if ownDatabase {
-			err = database.RunCommand(ctx, bson.D{{"dropAllUsersFromDatabase", 1}}).Err()
-			require.NoError(tb, err)
+			cleanupDatabase(tb, ctx, database)
 
-			err = database.Drop(ctx)
-			require.NoError(tb, err)
+			return
 		}
+
+		cleanupCollection(tb, ctx, collection)
 	})
 
 	var inserted bool
@@ -309,7 +309,7 @@ func setupCollection(tb testing.TB, ctx context.Context, client *mongo.Client, o
 func InsertProviders(tb testing.TB, ctx context.Context, collection *mongo.Collection, providers ...shareddata.Provider) (inserted bool) {
 	tb.Helper()
 
-	ctx, span := otel.Tracer("").Start(ctx, "InsertProviders")
+	ctx, span := otel.Tracer("").Start(ctx, "setup.InsertProviders")
 	defer span.End()
 
 	for _, provider := range providers {
@@ -342,3 +342,47 @@ func insertBenchmarkProvider(tb testing.TB, ctx context.Context, collection *mon
 
 	return
 }
+
+// cleanupCollection deletes all documents in the collection for ferretdb-yugabytedb backend
+// or drops the collection for other backends.
+func cleanupCollection(tb testing.TB, ctx context.Context, collection *mongo.Collection) {
+	tb.Helper()
+
+	if IsYugabyteDB(tb) {
+		// dropping collection or database fails for ferretdb-yugabytedb
+		// TODO https://github.com/yugabyte/yugabyte-db/issues/27698
+		_, err := collection.DeleteMany(ctx, bson.D{})
+		require.NoError(tb, err)
+
+		return
+	}
+
+	err := collection.Drop(ctx)
+	require.NoError(tb, err)
+}
+
+// cleanupDatabase drops all users, then deletes all collections in the database
+// for ferretdb-yugabytedb backend or drops the database for other backends.
+func cleanupDatabase(tb testing.TB, ctx context.Context, database *mongo.Database) {
+	tb.Helper()
+
+	err := database.RunCommand(ctx, bson.D{{"dropAllUsersFromDatabase", 1}}).Err()
+	require.NoError(tb, err)
+
+	if IsYugabyteDB(tb) {
+		// dropping collection or database fails for ferretdb-yugabytedb
+		// TODO https://github.com/yugabyte/yugabyte-db/issues/27698
+		var collections []string
+		collections, err = database.ListCollectionNames(ctx, bson.D{})
+		require.NoError(tb, err)
+
+		for _, collection := range collections {
+			cleanupCollection(tb, ctx, database.Collection(collection))
+		}
+
+		return
+	}
+
+	err = database.Drop(ctx)
+	require.NoError(tb, err)
+}

integration/setup/setup_compat.go

@@ -21,7 +21,6 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.opentelemetry.io/otel"
 
@@ -66,7 +65,7 @@ func SetupCompatWithOpts(tb testing.TB, opts *SetupCompatOpts) *SetupCompatResul
 
 	ctx, cancel := context.WithCancel(testutil.Ctx(tb))
 
-	setupCtx, span := otel.Tracer("").Start(ctx, "SetupCompatWithOpts")
+	setupCtx, span := otel.Tracer("").Start(ctx, "setup.SetupCompatWithOpts")
 	defer span.End()
 
 	if opts == nil {
@@ -130,14 +129,13 @@ func SetupCompat(tb testing.TB) (context.Context, []*mongo.Collection, []*mongo.
 func setupCompatCollections(tb testing.TB, ctx context.Context, client *mongo.Client, opts *SetupCompatOpts, backend string) []*mongo.Collection {
 	tb.Helper()
 
-	ctx, span := otel.Tracer("").Start(ctx, "setupCompatCollections")
+	ctx, span := otel.Tracer("").Start(ctx, "setup.setupCompatCollections")
 	defer span.End()
 
 	database := client.Database(opts.databaseName)
 
 	// drop remnants of the previous failed run
-	_ = database.RunCommand(ctx, bson.D{{"dropAllUsersFromDatabase", 1}})
-	_ = database.Drop(ctx)
+	cleanupDatabase(tb, ctx, database)
 
 	// drop database unless test failed
 	tb.Cleanup(func() {
@@ -145,11 +143,7 @@ func setupCompatCollections(tb testing.TB, ctx context.Context, client *mongo.Cl
 			return
 		}
 
-		err := database.RunCommand(ctx, bson.D{{"dropAllUsersFromDatabase", 1}}).Err()
-		require.NoError(tb, err)
-
-		err = database.Drop(ctx)
-		require.NoError(tb, err)
+		cleanupDatabase(tb, ctx, database)
 	})
 
 	providers := slices.Clone(opts.Providers)

integration/setup/startup.go

@@ -27,7 +27,6 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"go.mongodb.org/mongo-driver/mongo"
 
-	"github.com/FerretDB/FerretDB/v2/internal/clientconn/connmetrics"
 	"github.com/FerretDB/FerretDB/v2/internal/util/debug"
 	"github.com/FerretDB/FerretDB/v2/internal/util/logging"
 	"github.com/FerretDB/FerretDB/v2/internal/util/observability"
@@ -35,9 +34,6 @@ import (
 	"github.com/FerretDB/FerretDB/v2/integration/shareddata"
 )
 
-// listenerMetrics are shared between tests.
-var listenerMetrics = connmetrics.NewListenerMetrics()
-
 // shutdown cancels context passed to startup components.
 var shutdown context.CancelFunc
 
@@ -63,8 +59,6 @@ func Startup() {
 		*debugSetupF = true
 	}
 
-	prometheus.DefaultRegisterer.MustRegister(listenerMetrics)
-
 	ctx, shutdown = context.WithCancel(ctx)
 
 	startupWG.Add(1)
@@ -82,7 +76,7 @@ func Startup() {
 			l.LogAttrs(ctx, logging.LevelFatal, "Failed to create debug handler", logging.Error(err))
 		}
 
-		h.Serve(ctx)
+		h.Run(ctx)
 	}()
 
 	if *otelTracesURLF != "" {
@@ -93,8 +87,8 @@ func Startup() {
 
 			ot, err := observability.NewOTelTraceExporter(&observability.OTelTraceExporterOpts{
 				Logger:  logging.WithName(l, "otel"),
-				Service: "integration-tests",
 				URL:     *otelTracesURLF,
+				Service: "integration-tests",
 			})
 			if err != nil {
 				l.LogAttrs(ctx, logging.LevelFatal, "Failed to create Otel tracer", logging.Error(err))

integration/update_field_compat_test.go

@@ -1446,7 +1446,7 @@ func TestUpdateFieldCompatSet(t *testing.T) {
 	doublesProvider := []shareddata.Provider{shareddata.Doubles}
 
 	testCases := map[string]updateCompatTestCase{
-		"SetNullInExisingField": {
+		"SetNullInExistingField": {
 			update: bson.D{{"$set", bson.D{{"v", nil}}}},
 		},
 		"DuplicateKeys": {

internal/clientconn/conn.go

@@ -29,110 +29,24 @@ import (
 	"net/netip"
 	"os"
 	"path/filepath"
-	"strings"
-	"sync/atomic"
 	"time"
 
+	"github.com/AlekSi/lazyerrors"
 	"github.com/FerretDB/wire"
-	"github.com/FerretDB/wire/wirebson"
-	"github.com/pmezard/go-difflib/difflib"
-	"go.opentelemetry.io/otel"
-	otelattribute "go.opentelemetry.io/otel/attribute"
-	otelcodes "go.opentelemetry.io/otel/codes"
-	oteltrace "go.opentelemetry.io/otel/trace"
 
 	"github.com/FerretDB/FerretDB/v2/internal/clientconn/conninfo"
-	"github.com/FerretDB/FerretDB/v2/internal/clientconn/connmetrics"
-	"github.com/FerretDB/FerretDB/v2/internal/handler"
 	"github.com/FerretDB/FerretDB/v2/internal/handler/middleware"
-	"github.com/FerretDB/FerretDB/v2/internal/handler/proxy"
-	"github.com/FerretDB/FerretDB/v2/internal/mongoerrors"
-	"github.com/FerretDB/FerretDB/v2/internal/util/lazyerrors"
 	"github.com/FerretDB/FerretDB/v2/internal/util/logging"
-	"github.com/FerretDB/FerretDB/v2/internal/util/must"
-	"github.com/FerretDB/FerretDB/v2/internal/util/observability"
 )
 
-// Mode represents FerretDB mode of operation.
-type Mode string
-
-const (
-	// NormalMode only handles requests.
-	NormalMode Mode = "normal"
-	// ProxyMode only proxies requests to another wire protocol compatible service.
-	ProxyMode Mode = "proxy"
-	// DiffNormalMode both handles requests and proxies them, then logs the diff.
-	// Only the FerretDB response is sent to the client.
-	DiffNormalMode Mode = "diff-normal"
-	// DiffProxyMode both handles requests and proxies them, then logs the diff.
-	// Only the proxy response is sent to the client.
-	DiffProxyMode Mode = "diff-proxy"
-)
-
-// AllModes includes all operation modes, with the first one being the default.
-var AllModes = []string{
-	string(NormalMode),
-	string(ProxyMode),
-	string(DiffNormalMode),
-	string(DiffProxyMode),
-}
-
 // conn represents client connection.
 type conn struct {
 	netConn        net.Conn
-	mode           Mode
 	l              *slog.Logger
-	h              *handler.Handler
-	m              *connmetrics.ConnMetrics
-	proxy          *proxy.Handler
-	lastRequestID  atomic.Int32
+	m              *middleware.Middleware
 	testRecordsDir string // if empty, no records are created
 }
 
-// newConnOpts represents newConn options.
-type newConnOpts struct {
-	netConn     net.Conn
-	mode        Mode
-	l           *slog.Logger
-	handler     *handler.Handler
-	connMetrics *connmetrics.ConnMetrics
-
-	proxyAddr        string
-	proxyTLSCertFile string
-	proxyTLSKeyFile  string
-	proxyTLSCAFile   string
-
-	testRecordsDir string // if empty, no records are created
-}
-
-// newConn creates a new client connection for given net.Conn.
-func newConn(opts *newConnOpts) (*conn, error) {
-	if opts.mode == "" {
-		panic("mode required")
-	}
-	if opts.handler == nil {
-		panic("handler required")
-	}
-
-	var p *proxy.Handler
-	if opts.mode != NormalMode {
-		var err error
-		if p, err = proxy.New(opts.proxyAddr, opts.proxyTLSCertFile, opts.proxyTLSKeyFile, opts.proxyTLSCAFile); err != nil {
-			return nil, lazyerrors.Error(err)
-		}
-	}
-
-	return &conn{
-		netConn:        opts.netConn,
-		mode:           opts.mode,
-		l:              opts.l,
-		h:              opts.handler,
-		m:              opts.connMetrics,
-		proxy:          p,
-		testRecordsDir: opts.testRecordsDir,
-	}, nil
-}
-
 // run runs the client connection until ctx is canceled, client disconnects,
 // or fatal error or panic is encountered.
 //
@@ -140,51 +54,32 @@ func newConn(opts *newConnOpts) (*conn, error) {
 //
 // The caller is responsible for closing the underlying net.Conn.
 func (c *conn) run(ctx context.Context) (err error) {
-	ctx, cancel := context.WithCancelCause(ctx)
-	defer func() {
-		cancel(lazyerrors.Errorf("run exits: %w", err))
-	}()
-
-	connInfo := conninfo.New()
-	if c.netConn.RemoteAddr().Network() != "unix" {
-		connInfo.Peer, err = netip.ParseAddrPort(c.netConn.RemoteAddr().String())
-		if err != nil {
-			return
-		}
-	}
-
-	ctx = conninfo.Ctx(ctx, connInfo)
-
-	// That's not the best – it makes proxy handler very different from the main handler.
-	// Instead, proxy handler should map connections based on connInfo.
-	// TODO https://github.com/FerretDB/FerretDB/issues/4965
-	if c.proxy != nil {
-		go c.proxy.Run(ctx)
-	}
-
-	done := make(chan struct{})
-
-	// handle ctx cancellation
-	go func() {
-		select {
-		case <-done:
-			// nothing, let goroutine exit
-		case <-ctx.Done():
-			// unblocks ReadMessage below; any non-zero past value will do
-			if e := c.netConn.SetDeadline(time.Unix(0, 0)); e != nil {
-				c.l.WarnContext(ctx, fmt.Sprintf("Failed to set deadline: %s", e))
-			}
-		}
-	}()
+	ci := conninfo.New()
+	ctx, cancel := context.WithCancelCause(conninfo.Ctx(ctx, ci))
 
 	defer func() {
 		if p := recover(); p != nil {
 			c.l.LogAttrs(ctx, logging.LevelDPanic, fmt.Sprint(p), logging.Error(err))
-			err = errors.New("panic")
+			err = lazyerrors.New("panic")
 		}
 
-		// let goroutine above exit
-		close(done)
+		cancel(lazyerrors.Errorf("run exits: %w", err))
+		ci.Close()
+	}()
+
+	if c.netConn.RemoteAddr().Network() != "unix" {
+		ci.Peer, err = netip.ParseAddrPort(c.netConn.RemoteAddr().String())
+		if err != nil {
+			err = lazyerrors.Error(err)
+			return
+		}
+	}
+
+	go func() {
+		<-ctx.Done()
+
+		// unblocks ReadMessage in the processRequest below; any non-zero past value will do
+		_ = c.netConn.SetDeadline(time.Unix(0, 0))
 	}()
 
 	bufr := bufio.NewReader(c.netConn)
@@ -215,323 +110,43 @@ func (c *conn) run(ctx context.Context) (err error) {
 
 	bufw := bufio.NewWriter(c.netConn)
 
-	defer func() {
-		if e := bufw.Flush(); err == nil {
-			err = e
-		}
-
-		// c.netConn is closed by the caller
-	}()
-
 	for {
-		if err = c.processMessage(ctx, bufr, bufw); err != nil {
+		if err = c.processRequest(ctx, bufr, bufw); err != nil {
 			return
 		}
 	}
 }
 
-// processMessage reads the request, routes the request based on the operation mode
-// and writes the response.
+// processRequest reads the request, passes it to the middleware, and writes the response.
 //
 // Any error returned indicates the connection should be closed.
-func (c *conn) processMessage(ctx context.Context, bufr *bufio.Reader, bufw *bufio.Writer) error {
+func (c *conn) processRequest(ctx context.Context, bufr *bufio.Reader, bufw *bufio.Writer) error {
 	reqHeader, reqBody, err := wire.ReadMessage(bufr)
 	if err != nil {
-		return err
+		return lazyerrors.Error(err)
 	}
 
-	if c.l.Enabled(ctx, slog.LevelDebug) {
-		c.l.DebugContext(ctx, "Request header: "+reqHeader.String())
-		c.l.DebugContext(ctx, "Request message:\n"+reqBody.StringIndent())
+	req, err := middleware.RequestWire(reqHeader, reqBody)
+	if err != nil {
+		return lazyerrors.Error(err)
 	}
 
-	// diffLogLevel provides the level of logging for the diff between the "normal" and "proxy" responses.
-	// It is set to the highest level of logging used to log response.
-	diffLogLevel := slog.LevelDebug
-
-	// send request to proxy first (unless we are in normal mode)
-	// because FerretDB's handling could modify reqBody's documents,
-	// creating a data race
-	var proxyHeader *wire.MsgHeader
-	var proxyBody wire.MsgBody
-
-	if c.mode != NormalMode {
-		if c.proxy == nil {
-			panic("proxy addr was nil")
-		}
-
-		// TODO https://github.com/FerretDB/FerretDB/issues/1997
-		var resp *middleware.Response
-		resp, err = c.proxy.Handle(ctx, middleware.RequestWire(reqHeader, reqBody))
-		must.NoError(err)
-
-		proxyHeader = resp.WireHeader()
-
-		switch {
-		case resp.OpMsg != nil:
-			proxyBody = resp.OpMsg
-		case resp.OpReply != nil:
-			proxyBody = resp.OpReply
-		default:
-			panic("response body is nil")
-		}
+	resp := c.m.Handle(ctx, req)
+	if resp == nil {
+		return lazyerrors.New("middleware returned nil response")
 	}
 
-	// handle request unless we are in proxy mode
-	var resCloseConn bool
-	var resHeader *wire.MsgHeader
-	var resBody wire.MsgBody
-
-	if c.mode != ProxyMode {
-		resHeader, resBody, resCloseConn = c.route(ctx, reqHeader, reqBody)
-		if level := c.logResponse(ctx, "Response", resHeader, resBody, resCloseConn); level > diffLogLevel {
-			diffLogLevel = level
-		}
-	}
-
-	// log proxy response after the normal response to make it less confusing
-	if c.mode != NormalMode {
-		if level := c.logResponse(ctx, "Proxy response", proxyHeader, proxyBody, false); level > diffLogLevel {
-			diffLogLevel = level
-		}
-	}
-
-	// diff in diff mode
-	if c.l.Enabled(ctx, diffLogLevel) && (c.mode == DiffNormalMode || c.mode == DiffProxyMode) {
-		if err = c.logDiff(ctx, resHeader, proxyHeader, resBody, proxyBody, diffLogLevel); err != nil {
-			return err
-		}
-	}
-
-	// replace response with one from proxy in proxy and diff-proxy modes
-	if c.mode == ProxyMode || c.mode == DiffProxyMode {
-		resHeader = proxyHeader
-		resBody = proxyBody
-	}
-
-	if resHeader == nil || resBody == nil {
-		panic("no response to send to client")
-	}
-
-	if err = wire.WriteMessage(bufw, resHeader, resBody); err != nil {
-		c.l.DebugContext(ctx, "Failed to write message", logging.Error(err))
-
-		return err
+	if err = wire.WriteMessage(bufw, resp.WireHeader(), resp.WireBody()); err != nil {
+		return lazyerrors.Error(err)
 	}
 
 	if err = bufw.Flush(); err != nil {
-		c.l.DebugContext(ctx, "Failed to flush buffer", logging.Error(err))
-
-		return err
-	}
-
-	if resCloseConn {
-		err = errors.New("fatal error")
-
-		c.l.DebugContext(ctx, "Connection closed unexpectedly", logging.Error(err))
-
-		return err
+		return lazyerrors.Error(err)
 	}
 
 	return nil
 }
 
-// route sends request to a handler's command based on the op code provided in the request header.
-//
-// The passed context is canceled when the client disconnects.
-//
-// Handlers to which it routes, should not panic on bad input, but may do so in "impossible" cases.
-// They also should not use recover(). That allows us to use fuzzing.
-//
-// Returned resBody can be nil.
-func (c *conn) route(connCtx context.Context, reqHeader *wire.MsgHeader, reqBody wire.MsgBody) (resHeader *wire.MsgHeader, resBody wire.MsgBody, closeConn bool) { //nolint:lll // argument list is too long
-	var span oteltrace.Span
-
-	var command, result, argument string
-	defer func() {
-		if result == "" {
-			result = "panic"
-		}
-
-		if argument == "" {
-			argument = "unknown"
-		}
-
-		c.m.Responses.WithLabelValues(resHeader.OpCode.String(), command, argument, result).Inc()
-
-		must.NotBeZero(span)
-
-		if result != "ok" {
-			span.SetStatus(otelcodes.Error, result)
-		}
-
-		span.SetName(command)
-		span.SetAttributes(
-			otelattribute.String("db.ferretdb.opcode", resHeader.OpCode.String()),
-			otelattribute.Int("db.ferretdb.request_id", int(resHeader.ResponseTo)),
-			otelattribute.String("db.ferretdb.argument", argument),
-		)
-		span.End()
-	}()
-
-	resHeader = new(wire.MsgHeader)
-
-	var err error
-	switch reqHeader.OpCode {
-	case wire.OpCodeMsg:
-		msg := reqBody.(*wire.OpMsg)
-
-		resHeader.OpCode = wire.OpCodeMsg
-
-		var doc *wirebson.Document
-		if doc, err = msg.Section0(); err == nil {
-			command = doc.Command()
-		}
-
-		if err == nil {
-			comment, _ := doc.Get("comment").(string)
-
-			spanCtx, e := observability.SpanContextFromComment(comment)
-			if e == nil {
-				connCtx = oteltrace.ContextWithRemoteSpanContext(connCtx, spanCtx)
-			} else {
-				c.l.DebugContext(connCtx, "Failed to extract span context from comment", logging.Error(e))
-			}
-		}
-
-		connCtx, span = otel.Tracer("").Start(connCtx, "")
-
-		if err == nil {
-			var res *middleware.Response
-			if res, err = c.h.Handle(connCtx, middleware.RequestWire(reqHeader, msg)); res != nil {
-				resBody = res.OpMsg
-			}
-		}
-
-	case wire.OpCodeQuery:
-		query := reqBody.(*wire.OpQuery)
-
-		resHeader.OpCode = wire.OpCodeReply
-
-		var q *wirebson.Document
-		if q, err = query.Query(); err == nil {
-			command = q.Command()
-		}
-
-		connCtx, span = otel.Tracer("").Start(connCtx, "")
-
-		if err == nil {
-			var res *middleware.Response
-			if res, err = c.h.Handle(connCtx, middleware.RequestWire(reqHeader, query)); res != nil {
-				resBody = res.OpReply
-			}
-		}
-
-	case wire.OpCodeReply:
-		fallthrough
-	case wire.OpCodeUpdate:
-		fallthrough
-	case wire.OpCodeInsert:
-		fallthrough
-	case wire.OpCodeGetByOID:
-		fallthrough
-	case wire.OpCodeGetMore:
-		fallthrough
-	case wire.OpCodeDelete:
-		fallthrough
-	case wire.OpCodeKillCursors:
-		fallthrough
-	case wire.OpCodeCompressed:
-		connCtx, span = otel.Tracer("").Start(connCtx, "")
-		err = lazyerrors.Errorf("unhandled OpCode %s", reqHeader.OpCode)
-
-	default:
-		connCtx, span = otel.Tracer("").Start(connCtx, "")
-		err = lazyerrors.Errorf("unexpected OpCode %s", reqHeader.OpCode)
-	}
-
-	if command == "" {
-		command = "unknown"
-	}
-
-	c.m.Requests.WithLabelValues(reqHeader.OpCode.String(), command).Inc()
-
-	// set body for error
-	if err != nil {
-		switch resHeader.OpCode {
-		case wire.OpCodeMsg:
-			protoErr := mongoerrors.Make(connCtx, err, "", c.l)
-			resBody = protoErr.Msg()
-			result = protoErr.Name
-			argument = protoErr.Argument
-
-		case wire.OpCodeReply:
-			protoErr := mongoerrors.Make(connCtx, err, "", c.l)
-			resBody = protoErr.Reply()
-			result = protoErr.Name
-			argument = protoErr.Argument
-
-		case wire.OpCodeQuery:
-			fallthrough
-		case wire.OpCodeUpdate:
-			fallthrough
-		case wire.OpCodeInsert:
-			fallthrough
-		case wire.OpCodeGetByOID:
-			fallthrough
-		case wire.OpCodeGetMore:
-			fallthrough
-		case wire.OpCodeDelete:
-			fallthrough
-		case wire.OpCodeKillCursors:
-			fallthrough
-		case wire.OpCodeCompressed:
-			// do not panic to make fuzzing easier
-			closeConn = true
-			result = "unhandled"
-
-			c.l.ErrorContext(
-				connCtx,
-				"Handler error for unhandled response opcode",
-				logging.Error(err),
-				slog.Any("opcode", resHeader.OpCode),
-			)
-			return
-
-		default:
-			// do not panic to make fuzzing easier
-			closeConn = true
-			result = "unexpected"
-
-			c.l.ErrorContext(
-				connCtx,
-				"Handler error for unexpected response opcode",
-				logging.Error(err),
-				slog.Any("opcode", resHeader.OpCode),
-			)
-			return
-		}
-	}
-
-	// Don't call MarshalBinary there. Fix header in the caller?
-	// TODO https://github.com/FerretDB/FerretDB/issues/273
-	b, err := resBody.MarshalBinary()
-	if err != nil {
-		result = ""
-		panic(err)
-	}
-	resHeader.MessageLength = int32(wire.MsgHeaderLen + len(b))
-
-	resHeader.RequestID = c.lastRequestID.Add(1)
-	resHeader.ResponseTo = reqHeader.RequestID
-
-	if result == "" {
-		result = "ok"
-	}
-
-	return
-}
-
 // renamePartialFile takes over an open file `f` and closes it.
 // It uses the given error to check if the connection was closed by the client,
 // if so the given file is renamed to a name generated by hash,
@@ -566,90 +181,3 @@ func (c *conn) renamePartialFile(ctx context.Context, f *os.File, h hash.Hash, e
 		c.l.WarnContext(ctx, "Failed to rename file", logging.Error(e))
 	}
 }
-
-// logResponse logs response's header and body and returns the log level that was used.
-//
-// The param `who` will be used in logs and should represent the type of the response,
-// for example "Response" or "Proxy Response".
-func (c *conn) logResponse(ctx context.Context, who string, resHeader *wire.MsgHeader, resBody wire.MsgBody, closeConn bool) slog.Level { //nolint:lll // for readability
-	level := slog.LevelDebug
-
-	if resHeader.OpCode == wire.OpCodeMsg {
-		msg := resBody.(*wire.OpMsg)
-
-		doc, _ := msg.Section0()
-
-		var ok bool
-
-		if doc != nil {
-			switch v := doc.Get("ok").(type) {
-			case float64:
-				ok = v == 1
-			case int32:
-				ok = v == 1
-			case int64:
-				ok = v == 1
-			}
-		}
-
-		if !ok {
-			level = slog.LevelWarn
-		}
-	}
-
-	if closeConn {
-		level = slog.LevelError
-	}
-
-	if c.l.Enabled(ctx, level) {
-		c.l.Log(ctx, level, who+" header: "+resHeader.String())
-		c.l.Log(ctx, level, who+" message:\n"+resBody.StringIndent())
-	}
-
-	return level
-}
-
-// logDiff logs the diff between the response and the proxy response.
-func (c *conn) logDiff(ctx context.Context, resHeader, proxyHeader *wire.MsgHeader, resBody, proxyBody wire.MsgBody, logLevel slog.Level) error { //nolint:lll // for readability
-	diffHeader, err := difflib.GetUnifiedDiffString(difflib.UnifiedDiff{
-		A:        difflib.SplitLines(resHeader.String()),
-		FromFile: "res header",
-		B:        difflib.SplitLines(proxyHeader.String()),
-		ToFile:   "proxy header",
-		Context:  1,
-	})
-	if err != nil {
-		return err
-	}
-
-	// resBody can be nil if we got a message we could not handle at all, like unsupported OpQuery.
-	var resBodyString, proxyBodyString string
-
-	if resBody != nil {
-		resBodyString = resBody.StringIndent()
-	}
-
-	if proxyBody != nil {
-		proxyBodyString = proxyBody.StringIndent()
-	}
-
-	diffBody, err := difflib.GetUnifiedDiffString(difflib.UnifiedDiff{
-		A:        difflib.SplitLines(resBodyString),
-		FromFile: "res body",
-		B:        difflib.SplitLines(proxyBodyString),
-		ToFile:   "proxy body",
-		Context:  1,
-	})
-	if err != nil {
-		return err
-	}
-
-	if len(diffBody) > 0 {
-		// the diff control lines (those with ---, +++, or @@) are created with a trailing newline
-		diffBody = "\n" + strings.TrimSpace(diffBody)
-	}
-
-	c.l.Log(ctx, logLevel, "Header diff:\n"+diffHeader+"\nBody diff:"+diffBody)
-
-	return nil
-}