downstream_protobuf_compatibility_check_nightly.yaml

on:
  pull_request:
    # Runs on PRs targeting main, but will be filtered for Release PRs
    branches:
      - 'main'
  workflow_dispatch:
    inputs:
      protobuf_runtime_versions:
        description: 'Comma separated list of Protobuf-Java versions (i.e. "3.25.x","4.x.y").
                      Note: Surround each version in the list with quotes ("")'
        required: true
  schedule:
    - cron: '0 1 * * *' # Nightly at 1am

name: Downstream Protobuf Compatibility Check Nightly
jobs:
  downstream-protobuf-test:
    # This job runs if any of the three conditions match:
    # 1. PR is raised from Release-Please (PR comes from branch: release-please--branches-main)
    # 2. Job is invoked by the nightly job (scheduled event)
    # 3. Job is manually invoked via Github UI (workflow_dispatch event)
    if: github.head_ref == 'release-please--branches--main' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        repo:
          - google-cloud-java
          - java-bigtable
          - java-bigquery
          - java-bigquerystorage
          - java-datastore
          - java-firestore
          - java-logging
          - java-logging-logback
          - java-pubsub
          - java-pubsublite
          - java-spanner-jdbc
          - java-spanner
          - java-storage
          - java-storage-nio
        # Default Protobuf-Java versions to use are specified here. Without this, the nightly workflow won't know
        # which values to use and would resolve to ''.
        protobuf-version: ${{ fromJSON(format('[{0}]', inputs.protobuf_runtime_versions || '"3.25.5","4.29.0"')) }}
    steps:
      - name: Checkout sdk-platform-java repo
        uses: actions/checkout@v4
      - uses: actions/setup-java@v4
        with:
          java-version: 8
          distribution: temurin
      - run: echo "JAVA8_HOME=${JAVA_HOME}" >> $GITHUB_ENV
      # Java Client Libraries are compiled with Java 11 and target Java 8. Java 11 is required because GraalVM
      # minimum support is for Java 11.
      - uses: actions/setup-java@v4
        with:
          java-version: 11
          distribution: temurin
      - name: Print Protobuf-Java testing version
        run: echo "Testing with Protobuf-Java v${{ matrix.protobuf-version }}"
      - name: Perform downstream source compatibility testing
        run: REPOS_UNDER_TEST="${{ matrix.repo }}" PROTOBUF_RUNTIME_VERSION="${{ matrix.protobuf-version }}" ./.kokoro/nightly/downstream-protobuf-source-compatibility.sh
      - name: Perform downstream binary compatibility testing
        run: REPOS_UNDER_TEST="${{ matrix.repo }}" PROTOBUF_RUNTIME_VERSION="${{ matrix.protobuf-version }}" ./.kokoro/nightly/downstream-protobuf-binary-compatibility.sh