auto-update-otel-sdk.yml

name: Auto-update OpenTelemetry SDK

on:
  schedule:
    # hourly at minute 46
    - cron: "46 * * * *"
  workflow_dispatch:

permissions:
  contents: read

jobs:
  check-versions:
    runs-on: ubuntu-latest
    outputs:
      current-version: ${{ steps.check-versions.outputs.current-version }}
      latest-version: ${{ steps.check-versions.outputs.latest-version }}
      already-opened: ${{ steps.check-versions.outputs.already-opened }}
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - id: check-versions
        name: Check versions
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          current_version=$(grep -Po "val otelSdkVersion = \"\K[0-9]+.[0-9]+.[0-9]+" \
                                dependencyManagement/build.gradle.kts)
          latest_version=$(gh release view \
                               --repo open-telemetry/opentelemetry-java \
                               --json tagName \
                               --jq .tagName \
                             | sed 's/^v//')

          matches=$(gh pr list \
                        --author app/otelbot \
                        --state open \
                        --search "in:title \"Update the OpenTelemetry SDK version to $latest_version\"")
          if [ ! -z "$matches" ]
          then
            already_opened=true
          fi

          echo "current-version=$current_version" >> $GITHUB_OUTPUT
          echo "latest-version=$latest_version" >> $GITHUB_OUTPUT
          echo "already-opened=$already_opened" >> $GITHUB_OUTPUT

  update-otel-sdk:
    permissions:
      contents: write  # for git push to PR branch
    runs-on: ubuntu-latest
    if: |
      needs.check-versions.outputs.current-version != needs.check-versions.outputs.latest-version &&
      needs.check-versions.outputs.already-opened != 'true'
    needs:
      - check-versions
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - name: Update version
        env:
          VERSION: ${{ needs.check-versions.outputs.latest-version }}
        run: ./.github/scripts/update-sdk-version.sh $VERSION

      - name: Free disk space
        run: .github/scripts/gha-free-disk-space.sh

      - name: Set up JDK for running Gradle
        uses: actions/setup-java@0f481fcb613427c0f801b606911222b5b6f3083a # v5.5.0
        with:
          distribution: temurin
          java-version-file: .java-version

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0

      - name: Update license report
        # with the build cache enabled occasionally produces outdated results
        run: ./gradlew generateLicenseReport --no-build-cache

      - name: Undo license report clean
        if: failure()
        run: git checkout -- licenses

      - name: Use CLA approved bot
        run: .github/scripts/use-cla-approved-bot.sh

      - uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
        id: otelbot-token
        with:
          client-id: ${{ vars.OTELBOT_CLIENT_ID }}
          private-key: ${{ secrets.OTELBOT_PRIVATE_KEY }}
          permission-pull-requests: write

      - name: Create pull request against main
        if: success() || failure()
        env:
          VERSION: ${{ needs.check-versions.outputs.latest-version }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          # pull requests from secrets.GITHUB_TOKEN do not run workflows
          OTELBOT_TOKEN: ${{ steps.otelbot-token.outputs.token }}
        run: |
          gh auth setup-git
          message="Update the OpenTelemetry SDK version to $VERSION"
          body="Update the OpenTelemetry SDK version to \`$VERSION\`."
          branch="otelbot/update-opentelemetry-sdk-to-${VERSION}"

          git checkout -b $branch
          git add -u
          git add licenses
          git commit -m "$message"
          git push --set-upstream origin $branch
          GH_TOKEN="$OTELBOT_TOKEN" gh pr create \
            --title "$message" \
            --body "$body" \
            --base main

  workflow-notification:
    permissions:
      issues: write
    needs:
      - check-versions
      - update-otel-sdk
    if: always()
    uses: open-telemetry/shared-workflows/.github/workflows/workflow-failure-issue.yml@62d5939b47144252763c5ff9fffe8c20d76cd806 # v0.4.0
    with:
      success: >-
        ${{
          needs.check-versions.result == 'success' &&
          (needs.update-otel-sdk.result == 'success' || needs.update-otel-sdk.result == 'skipped')
        }}