nightly-precommit.yml

name: Nightly Gradle Precommit
on:
  schedule:
    - cron: '0 6 * * *' # Daily at 6:00 AM UTC

jobs:
  # The precommit tasks are run on every PR as a part of `check`. This
  # nightly workflow exists to ensure OpenSearch remains buildable on
  # all supported platforms, but runs on a scheduled basis to reduce the
  # overhead on all pull requests.
  nightly-precommit:
    if: github.repository == 'opensearch-project/OpenSearch'
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        java: [ 21, 25 ]
        os: [ubuntu-latest, windows-latest, macos-15, macos-15-intel, ubuntu-24.04-arm]
        include:
          - java: 21
            os: 'windows-2025'
            experimental: true
    steps:
      - uses: actions/checkout@v6
      - name: Set up JDK ${{ matrix.java }}
        uses: actions/setup-java@v5
        with:
          java-version: ${{ matrix.java }}
          distribution: temurin
          cache: gradle
      - name: Run Gradle (precommit)
        continue-on-error: ${{ matrix.experimental }}
        shell: bash
        run: |
          ./gradlew javadoc precommit --parallel

  open-issue-on-failure:
    if: failure() && github.event_name == 'schedule'
    needs: nightly-precommit
    runs-on: ubuntu-latest
    permissions:
      issues: write
    steps:
      - uses: actions/github-script@v8
        with:
          script: |
            const title = 'Nightly precommit failed';
            const { data: existing_issues } = await github.rest.issues.listForRepo({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              labels: 'autocut,CI',
              per_page: 100
            });
            const existing = existing_issues.find(i => i.title === title);
            if (existing) {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: existing.number,
                body: `Another nightly failure.\n\n[View run](${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId})`
              });
              console.log('Commented on existing issue.');
              return;
            }
            const body = `The nightly precommit workflow failed.\n\n[View run](${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId})`;
            await github.rest.issues.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title,
              body,
              labels: ['autocut', 'CI']
            });