nightly-trigger.yml

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.

# This workflow is meant as an extended CI run that includes certain features that shall be tested
# and JDK versions that are supported but not considered default.

name: "Nightly trigger (beta)"

on:
  schedule:
    - cron: '0 2 * * *'
  workflow_dispatch:

jobs:
  Trigger:
    if: github.repository == 'apache/flink'
    permissions:
      actions: write
    concurrency:
      group: ${{ github.workflow }}-${{ matrix.branch }}
      cancel-in-progress: true
    strategy:
      matrix:
        branch:
          - master
          - release-2.3
          - release-1.20
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          sparse-checkout: |
            .github/actions/last_workflow_run

      - name: "Resolve last nightly run"
        id: last-nightly
        uses: "./.github/actions/last_workflow_run"
        with:
          workflow_id: "nightly.yml"
          branch: ${{ matrix.branch }}

      - name: Trigger Workflow
        uses: actions/github-script@v9
        with:
          script: |
            const branch = '${{ matrix.branch }}';

            // Resolve the current HEAD of the branch.
            const { data: branchData } = await github.rest.repos.getBranch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              branch: branch
            });
            const currentSha = branchData.commit.sha;

            // Compare SHA from last nightly against current
            // if it is same, then no need to run nightly for the same SHA again.
            const lastBuiltSha = '${{ steps.last-nightly.outputs.sha }}' || undefined;
            const lastConclusion = '${{ steps.last-nightly.outputs.conclusion }}' || undefined;

            // Skip the scheduled run only if there are no new commits AND the
            // previous nightly was green. If the last run failed/was cancelled,
            // re-run even without new commits so failures get retried.
            // It is still possible to run manually even if the last one was green and no new commits.
            if (context.eventName === 'schedule' && lastBuiltSha === currentSha && lastConclusion === 'success') {
              core.info(`No new commits on ${branch} since ${currentSha} and last nightly was green, skipping scheduled nightly.`);
              return;
            }

            core.info(`Triggering nightly on ${branch} at ${currentSha} (last built: ${lastBuiltSha ?? 'none'}, last conclusion: ${lastConclusion ?? 'none'}).`);
            await github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'nightly.yml',
              ref: branch
            });