name: Build

on:
  workflow_dispatch:
  # The push trigger would run the CI workflow when any changes get merged to main branch.
  # The build badge on the main README uses the CI results on the main branch to report the build status.
  push:
    branches: [ 'main*' ]
  pull_request:
    branches: [ 'main*' ]

jobs:
  lint-misspell-sanitycheck:
    uses: ./.github/workflows/sanitycheck.yml

  detect-changes:
    runs-on: windows-latest
    outputs:
      changes: ${{ steps.changes.outputs.changes }}
    steps:
    - uses: actions/checkout@v4
    - uses: AurorNZ/paths-filter@v4
      id: changes
      with:
        filters: |
          md: ['**.md']
          build: ['build/**', '.github/**/*.yml', '**/*.targets', '**/*.props', 'global.json']
          shared: ['src/Shared/**']
          code: ['**.cs', '**.csproj', '.editorconfig']
          solution: ['OpenTelemetry.sln']
          packaged-code: ['src/**', '!**/*.md']
          api-code: ['*/OpenTelemetry.Api*/**', '!**/*.md']
          api-packages: ['src/OpenTelemetry.Api*/**', '!**/*.md']
          instrumentation: ['*/OpenTelemetry.Instrumentation*/**', 'test/TestApp.AspNetCore/**', '!**/*.md']
          sdk-code: ['src/OpenTelemetry/**', 'test/OpenTelemetry.Tests/**', '!**/*.md']
          sdk-package: ['src/OpenTelemetry/**', '!**/*.md']
          unstable-core-packages: ['src/OpenTelemetry.Exporter.Prometheus.AspNetCore/**', 'src/OpenTelemetry.Exporter.Prometheus.HttpListener/**', 'src/OpenTelemetry.Shims.OpenTracing/**', '!**/*.md']
          otlp: ['*/OpenTelemetry.Exporter.OpenTelemetryProtocol*/**', '!**/*.md']

  lint-md:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'md')
      || contains(needs.detect-changes.outputs.changes, 'build')
    uses: ./.github/workflows/markdownlint.yml

  lint-dotnet-format:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'code')
      || contains(needs.detect-changes.outputs.changes, 'build')
    uses: ./.github/workflows/dotnet-format.yml

  build-test-solution:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'solution')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/Component.BuildTest.yml
    with:
      project-name: 'OpenTelemetry.sln'
      code-cov-name: 'Solution'

  build-test-project-stable:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'code')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/Component.BuildTest.yml
    with:
      project-name: './build/OpenTelemetry.proj'
      project-build-commands: '-p:ExposeExperimentalFeatures=false'
      code-cov-name: 'Project-Stable'

  build-test-project-experimental:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'code')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/Component.BuildTest.yml
    with:
      project-name: './build/OpenTelemetry.proj'
      project-build-commands: '-p:ExposeExperimentalFeatures=true'
      code-cov-name: 'Project-Experimental'

  # Build unstable core libraries using stable packages released to NuGet
  build-test-unstable-core:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'unstable-core-packages')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/Component.BuildTest.yml
    with:
      project-name: './build/UnstableCoreLibraries.proj'
      project-build-commands: '-p:RunningDotNetPack=true -p:ExposeExperimentalFeatures=true'
      code-cov-name: 'UnstableCoreLibraries-Experimental'

  otlp-integration-test:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'api-packages')
      || contains(needs.detect-changes.outputs.changes, 'sdk-package')
      || contains(needs.detect-changes.outputs.changes, 'otlp')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        version: [ net8.0, net9.0 ]
    steps:
      - uses: actions/checkout@v4
      - name: Run OTLP Exporter docker compose
        run: docker compose --file=test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTest/docker-compose.yml --file=build/docker-compose.${{ matrix.version }}.yml --project-directory=. up --exit-code-from=tests --build

  w3c-trace-context-integration-test:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'api-packages')
      || contains(needs.detect-changes.outputs.changes, 'sdk-package')
      || contains(needs.detect-changes.outputs.changes, 'instrumentation')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        version: [ net8.0, net9.0 ]
    steps:
      - uses: actions/checkout@v4
      - name: Run W3C Trace Context docker compose
        run: docker compose --file=test/OpenTelemetry.Instrumentation.W3cTraceContext.Tests/docker-compose.yml --file=build/docker-compose.${{ matrix.version }}.yml --project-directory=. up --exit-code-from=tests --build

  validate-packages:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'packaged-code')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/package-validation.yml

  generate-docs:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'packaged-code')
      || contains(needs.detect-changes.outputs.changes, 'md')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/docfx.yml

  verify-aot-compat:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'packaged-code')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/verifyaotcompat.yml

  concurrency-tests:
    needs: detect-changes
    if: |
      contains(needs.detect-changes.outputs.changes, 'api-code')
      || contains(needs.detect-changes.outputs.changes, 'sdk-code')
      || contains(needs.detect-changes.outputs.changes, 'build')
      || contains(needs.detect-changes.outputs.changes, 'shared')
    uses: ./.github/workflows/concurrency-tests.yml

  build-test:
    needs: [
      detect-changes,
      lint-misspell-sanitycheck,
      lint-md,
      lint-dotnet-format,
      build-test-solution,
      build-test-project-stable,
      build-test-project-experimental,
      build-test-unstable-core,
      otlp-integration-test,
      w3c-trace-context-integration-test,
      validate-packages,
      generate-docs,
      verify-aot-compat,
      concurrency-tests
      ]
    if: always() && !cancelled()
    runs-on: ubuntu-22.04
    steps:
    - run: |
          if ( ${{ contains(needs.*.result, 'failure') }} == true ); then echo 'build failed'; exit 1; else echo 'build complete'; fi