.github/workflows/main.yaml

# Reusable Cobalt CI workflow.

name: main

on:
  workflow_call:
    inputs:
      platform:
        description: 'Cobalt platform.'
        required: true
        type: string
      nightly:
        description: 'Nightly workflow.'
        required: true
        type: string
        default: 'false'
      run_api_leak_detector:
        description: 'Whether to run the api leak detector.'
        required: false
        type: boolean
        default: false
      leak_manifest_filename:
        description: 'Path to the leak manifest.'
        required: false
        type: string
        default: ""
      modular:
        description: 'Whether this is a modular build.'
        required: false
        type: boolean
        default: false
      keep_artifacts:
        description: 'Which artifacts to keep for releases'
        required: false
        type: string
        default: ''

# Global env vars.
env:
  REGISTRY: ghcr.io
  IPV6_AVAILABLE: 0
  LANG: en_US.UTF-8
  IS_BUILDBOT_DOCKER: 1
  IS_CI: 1
  IS_DOCKER: 1
  NINJA_STATUS: '[%e sec | %f/%t %u remaining | %c/sec | j%r]'
  SCCACHE: 1
  SCCACHE_GCS_BUCKET: cobalt-actions-sccache-linux
  SCCACHE_GCS_OAUTH_URL: http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token
  SCCACHE_GCS_RW_MODE: READ_WRITE
  SCCACHE_IDLE_TIMEOUT: 0 # prevent sccache server from shutting down after long idle.
  STARBOARD_TOOLCHAINS_DIR: /root/starboard-toolchains

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name }}-${{ inputs.platform }} @ ${{ github.event.label.name || github.event.pull_request.number || github.sha }} @ ${{ github.event.label.name && github.event.pull_request.number || github.event.action }}
  cancel-in-progress: true

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # Retrieves configuration from json file.
  initialize:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      GITHUB_PR_REPO_URL: ${{ github.event.pull_request.base.repo.url }}
      GITHUB_EVENT_NUMBER: ${{ github.event.number }}
    if: |
      github.event.action != 'labeled' ||
      github.event.pull_request.merged == false &&
      (
        github.event.action == 'labeled' &&
        github.event.label.name == 'runtest' ||
        github.event.label.name == 'on_device'
      )
    steps:
      - id: checkout
        uses: kaidokert/checkout@v3.5.999
        timeout-minutes: 30
        with:
          fetch-depth: 1
          persist-credentials: false
      - name: Remove runtest if exists
        if: github.event_name == 'pull_request'
        continue-on-error: true  # Ignore this step if we cannot remove the label.
        run: |
          set +e
          curl \
            -X DELETE \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${GITHUB_TOKEN}" \
            ${GITHUB_PR_REPO_URL}/issues/${GITHUB_EVENT_NUMBER}/labels/runtest
        shell: bash
      - id: set-platforms
        shell: bash
        run: |
          platforms=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -c '.platforms')
          echo "platforms=${platforms}" >> $GITHUB_ENV
      - id: set-includes
        shell: bash
        run: |
          includes=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -c '.includes')
          echo "includes=${includes}" >> $GITHUB_ENV
      - id: set-on-device-test
        shell: bash
        run: |
          on_device_test=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -rc '.on_device_test')
          echo "on_device_test=${on_device_test}" >> $GITHUB_ENV
      - id: set-on-device-test-attempts
        shell: bash
        run: |
          on_device_test_attempts=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -rc '.on_device_test.test_attempts // empty')
          echo "on_device_test_attempts=${on_device_test_attempts}" >> $GITHUB_ENV
      - id: set-on-host-test
        shell: bash
        run: |
          on_host_test=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -rc '.on_host_test')
          echo "on_host_test=${on_host_test}" >> $GITHUB_ENV
      - id: set-on-host-test-shards
        shell: bash
        run: |
          on_host_test_shards=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -c '.on_host_test_shards')
          echo "on_host_test_shards=${on_host_test_shards}" >> $GITHUB_ENV
      - id: set-on-host-test-evergreen-loader
        shell: bash
        run: |
          evergreen_loader=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -rc '.evergreen_loader')
          echo "evergreen_loader=${evergreen_loader}" >> $GITHUB_ENV
      - id: set-docker-service
        shell: bash
        run: |
          docker_service=$(cat ${GITHUB_WORKSPACE}/.github/config/${{ inputs.platform }}.json | jq -r '.docker_service')
          echo "docker_service=${docker_service}" >> $GITHUB_ENV
    outputs:
      platforms: ${{ env.platforms }}
      includes: ${{ env.includes }}
      on_device_test: ${{ env.on_device_test }}
      on_device_test_attempts: ${{ env.on_device_test_attempts }}
      on_host_test: ${{ env.on_host_test }}
      on_host_test_shards: ${{ env.on_host_test_shards }}
      evergreen_loader: ${{ env.evergreen_loader }}
      docker_service: ${{ env.docker_service }}

  # Builds, tags, and pushes Cobalt docker build images to ghr.
  docker-build-image:
    needs: [initialize]
    runs-on: [self-hosted, linux-runner]
    permissions:
      packages: write
    steps:
      - name: Checkout files
        uses: kaidokert/checkout@v3.5.999
        timeout-minutes: 30
        with:
          fetch-depth: 0
          persist-credentials: false
      - name: Login to Docker Registry ${{env.REGISTRY}}
        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build docker image
        id: build-docker-image
        uses: ./.github/actions/docker
        with:
          docker_service: ${{ needs.initialize.outputs.docker_service }}
          docker_image: cobalt-${{ needs.initialize.outputs.docker_service }}
      - name: Set Docker Tag Output
        id: set-docker-tag-output
        shell: bash
        run: |
          set -u
          echo $DOCKER_TAG
          echo "docker_tag=$DOCKER_TAG"  >> $GITHUB_ENV
    outputs:
      docker_tag: ${{env.docker_tag}}

  # Builds, tags, and pushes Cobalt unit test image to ghr.
  docker-unittest-image:
    if: needs.initialize.outputs.on_host_test == 'true'
    needs: [initialize]
    permissions:
      packages: write
    runs-on: [self-hosted, linux-runner]
    steps:
      - name: Checkout files
        uses: kaidokert/checkout@v3.5.999
        timeout-minutes: 30
        with:
          fetch-depth: 2
          persist-credentials: false
      - name: Login to Docker Registry ${{env.REGISTRY}}
        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build docker image
        id: build-docker-image
        uses: ./.github/actions/docker
        with:
          docker_service: linux-x64x11-unittest
          docker_image: cobalt-linux-x64x11-unittest
      - name: Set Docker Tag Output
        id: set-docker-unittest-tag-output
        shell: bash
        run: |
          set -u
          echo $DOCKER_TAG
          echo "docker_unittest_tag=$DOCKER_TAG" >> $GITHUB_ENV
    outputs:
      docker_unittest_tag: ${{env.docker_unittest_tag}}

  # Runs builds.
  build:
    needs: [initialize, docker-build-image]
    permissions: {}
    runs-on: [self-hosted, linux-runner]
    name: ${{matrix.name}}_${{matrix.config}}
    strategy:
      fail-fast: false
      matrix:
        platform: ${{ fromJson(needs.initialize.outputs.platforms) }}
        include: ${{ fromJson(needs.initialize.outputs.includes) }}
        config: [devel, debug, qa, gold]
    container: ${{ needs.docker-build-image.outputs.docker_tag }}
    env:
      # We want temp folder to be on tmpfs which makes workloads faster.
      # However, dind container ends up having / folder mounted on overlay
      # filesystem, whereas /__w which contains Cobalt source code is on tmpfs.
      TMPDIR: /__w/_temp
    steps:
      - name: Checkout
        uses: kaidokert/checkout@v3.5.999
        timeout-minutes: 30
        with:
          # Use fetch depth of 0 to get full history for a valid build id.
          fetch-depth: 0
          persist-credentials: false
      - name: GN
        uses: ./.github/actions/gn
      - name: Build Cobalt
        uses: ./.github/actions/build
      - name: 'Upload Artifact'
        uses: actions/upload-artifact@v4
        if: inputs.keep_artifacts
        with:
          name: ${{ matrix.platform }}-${{ matrix.config }}
          path: out/${{ matrix.platform }}_${{ matrix.config }}/${{ inputs.keep_artifacts }}
          retention-days: 7
          compression-level: 0 # We expect kept artifacts to be already compressed
          if-no-files-found: error
      - name: Run API Leak Detector
        uses: ./.github/actions/api_leak_detector
        if: inputs.run_api_leak_detector
        with:
          relative_manifest_path: ${{ inputs.leak_manifest_filename }}
      - name: Upload On Host Test Artifacts
        if: ${{ matrix.config == 'devel' && needs.initialize.outputs.on_host_test == 'true' }}
        uses: ./.github/actions/upload_test_artifacts
        with:
          type: onhost
          os: linux
      # For some reason passing needs.initialize.outputs.evergreen_loader as parameter to build
      # action didn't work, so instead we set an env var.
      - name: Set Evergreen loader config
        if: ${{ needs.initialize.outputs.evergreen_loader != 'null' }}
        shell: bash
        run: |
           set -u
           COBALT_EVERGREEN_LOADER="${{needs.initialize.outputs.evergreen_loader}}"
           echo "COBALT_EVERGREEN_LOADER=${COBALT_EVERGREEN_LOADER}" >> $GITHUB_ENV
      # Build Evergreen loader for on-host tests if necessary.
      - name: Evergreen loader GN
        if: ${{ needs.initialize.outputs.evergreen_loader != 'null' && ( matrix.config == 'devel' || matrix.config == 'qa' ) }}
        uses: ./.github/actions/gn
      - name: Build Evergreen loader
        if: ${{ needs.initialize.outputs.evergreen_loader != 'null' && ( matrix.config == 'devel' || matrix.config == 'qa' ) }}
        uses: ./.github/actions/build
      - name: Upload Nightly Artifacts
        if: ${{ ( inputs.nightly == 'true' || github.event_name == 'schedule' ) && matrix.config != 'debug' }}
        uses: ./.github/actions/upload_nightly_artifacts
      - name: Upload Evergreen loader On Host Test Artifacts
        if: ${{ needs.initialize.outputs.evergreen_loader != 'null' && matrix.config == 'devel' && needs.initialize.outputs.on_host_test == 'true'}}
        uses: ./.github/actions/upload_test_artifacts
        with:
          type: onhost
          os: linux
      - name: Upload On Device Test Artifacts
        if: |
          matrix.config == 'devel' &&
          fromJSON(needs.initialize.outputs.on_device_test).enabled == true &&
          (
            github.event_name != 'pull_request' ||
            contains(github.event.pull_request.labels.*.name, 'on_device')
          )
        uses: ./.github/actions/upload_test_artifacts
        with:
          type: ondevice
          os: linux

  # Runs on-device integration and unit tests.
  on-device-test:
    needs: [initialize, build]
    # Run ODT when on_device label is applied on PR.
    # Also, run ODT on push and schedule if not explicitly disabled via repo vars.
    if: |
      fromJSON(needs.initialize.outputs.on_device_test).enabled == true && ((
        github.event_name == 'pull_request' &&
        contains(github.event.pull_request.labels.*.name, 'on_device') ) || ((
            inputs.nightly == 'true' || github.event_name == 'schedule') &&
            vars.RUN_ODT_TESTS_ON_NIGHTLY != 'False') ||
          ( github.event_name == 'push' && vars.RUN_ODT_TESTS_ON_POSTSUBMIT != 'False' ) )
    runs-on: [self-hosted, odt-runner]
    name: ${{ matrix.name }}_on_device_${{ matrix.shard }}
    permissions: {}
    strategy:
      fail-fast: false
      matrix:
        platform: ${{ fromJson(needs.initialize.outputs.platforms) }}
        config: [devel]
        shard: ${{ fromJson(needs.initialize.outputs.on_device_test).tests }}
        include: ${{ fromJson(needs.initialize.outputs.includes) }}
    env:
      COBALT_EVERGREEN_LOADER: ${{ needs.initialize.outputs.evergreen_loader }}
      ON_DEVICE_TEST_ATTEMPTS: ${{ needs.initialize.outputs.on_device_test_attempts }}
      MODULAR_BUILD: ${{ inputs.modular && 1 || 0 }}
    steps:
      - name: Checkout
        uses: kaidokert/checkout@v3.5.999
        timeout-minutes: 30
        with:
          fetch-depth: 1
          persist-credentials: false
      - name: Run Tests (${{ matrix.shard }})
        uses: ./.github/actions/on_device_tests

  # Runs on-host integration and unit tests.
  on-host-test:
    needs: [initialize, docker-unittest-image, build]
    permissions: {}
    if: needs.initialize.outputs.on_host_test == 'true'
    runs-on: [self-hosted, linux-runner]
    name: ${{matrix.name}}_${{matrix.shard}}_test
    strategy:
      fail-fast: false
      matrix:
        platform: ${{ fromJson(needs.initialize.outputs.platforms) }}
        shard: ${{ fromJson(needs.initialize.outputs.on_host_test_shards) }}
        config: [devel]
        include: ${{ fromJson(needs.initialize.outputs.includes) }}
    container: ${{ needs.docker-unittest-image.outputs.docker_unittest_tag }}
    env:
      DISPLAY: :99
      # For some reason tests complaining about HOME set to /github/home
      # with permission denied error.
      HOME: /root
      COBALT_EVERGREEN_LOADER: ${{needs.initialize.outputs.evergreen_loader}}
      MODULAR_BUILD: ${{ inputs.modular && 1 || 0 }}
    steps:
      - name: Checkout
        uses: kaidokert/checkout@v3.5.999
        timeout-minutes: 30
        with:
          fetch-depth: 1
          persist-credentials: false
      - name: Run Tests
        uses: ./.github/actions/on_host_test
        with:
          os: linux