generate.yaml

# Copyright 2021 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Generate Library
on:
  schedule:
    # Run at the end of every day. (10:10pm PT, 5:10am UTC)
    - cron: 10 5 * * *
  workflow_dispatch:

jobs:
  run-generator:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      issues: write
      pull-requests: write
    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}
      cancel-in-progress: true
    env:
      LIBRARY_CHECKOUT_PATH: library
      DATA_SOURCE_CHECKOUT_PATH: google-cloudevents

    steps:
      - name: Java Library > Checkout Repository
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
        with:
          path: ${{ env.LIBRARY_CHECKOUT_PATH }}

      - name: Proto Schemas > Checkout Repository
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
        with:
          repository: googleapis/google-cloudevents
          path: ${{ env.DATA_SOURCE_CHECKOUT_PATH }}

      - name: Setup Java
        uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93 # v4
        with:
          java-version: 11
          distribution: temurin

      - name: Setup Protoc
        run: ${{ env.LIBRARY_CHECKOUT_PATH }}/tools/setup-protoc.sh

      - name: Run the generator
        working-directory: ${{ env.LIBRARY_CHECKOUT_PATH }}
        run: ./tools/build.sh
        env:
          PROTOC_PATH: ${{ github.workspace }}/tmp/protobuf/bin/protoc
          DATA_SOURCE_PATH: ${{ github.workspace }}/${{ env.DATA_SOURCE_CHECKOUT_PATH }}

      - name: View generator output
        if: ${{ failure() }}
        working-directory: ${{ env.LIBRARY_CHECKOUT_PATH }}
        run: |
          git add -N . # Needed if files are untracked
          git diff

      - name: Get source version
        id: source-version
        if: ${{ always() }}
        working-directory: ${{ env.DATA_SOURCE_CHECKOUT_PATH }}
        run: |
          rev=$(git rev-parse --short HEAD)
          echo "revision=${rev}" >> $GITHUB_OUTPUT

      - name: Create a pull request with updates
        # https://github.com/googleapis/code-suggester#Action
        uses: googleapis/code-suggester@9c92ffb751cbdc880473aa650013b3a3292f743a # v4
        env:
          # Provided by the GitHub Automation team
          ACCESS_TOKEN: ${{ secrets.YOSHI_CODE_BOT_TOKEN }}
        with:
          command: pr
          upstream_owner: ${{ github.repository_owner }}
          upstream_repo: "google-cloudevents-java"
          title: "feat: Run the code generator"
          message: "feat: Run the code generator (${{ steps.source-version.outputs.revision }})"
          description: |
            :robot: Auto-generated Pull Request.
            This PR was created from a recent update in the [google-cloudevents](https://github.com/googleapis/google-cloudevents) repository.
            Specifically, the change at https://github.com/googleapis/google-cloudevents/commit/${{ steps.source-version.outputs.revision }}.
            Future updates to the protos in that repository made before this PR is
            merged will lead to a force push update of this Pull Request with
            the latest changes.
            * **Generator configuration:** https://github.com/${{ github.repository }}/blob/${{ steps.source-version.outputs.revision }}/.github/workflows/generate.yml
            * **Generator script:** https://github.com/${{ github.repository }}/blob/${{ github.sha }}/tools/build.sh
          # A static branch name and force pushes are meant to create
          # a single open PR with all pending updates.
          branch: "generator"
          force: true
          fork: true # action automatically forks repo
          git_dir: ${{ env.LIBRARY_CHECKOUT_PATH }}
          primary: "main"

      - name: Notify for failure
        if: ${{ failure() && github.event_name == 'schedule' }}
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7
        with:
          script: |
            github.rest.issues.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title: 'Library generation failed (${{ steps.source-version.outputs.revision }})',
              body: `See [failed job](https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId})`,
            });