.github/workflows/snapshot.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.
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name: "Publish SNAPSHOTs"

on:
  schedule:
    - cron: '0 0 * * *' # Deploy every day
  workflow_dispatch:

env:
  REGISTRY:    ghcr.io
  OWNER:       apache
  IMAGE_REPO:  flink-docker

jobs:
  snapshot:
    # Do not run for forks.
    if: github.repository_owner == 'apache'
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    strategy:
      max-parallel: 1
      matrix:
        java_version: [8, 11]
        build:
          - flink_version: 1.16-SNAPSHOT
            branch: dev-master
          - flink_version: 1.15-SNAPSHOT
            branch: dev-1.15
    steps:
      - uses: actions/checkout@v3
        with:
          ref: ${{ matrix.build.branch }}
      - name: Set env
        run: |
          IMAGE_NAME=${{ matrix.build.flink_version }}-scala_2.12-java${{ matrix.java_version }}
          echo "IMAGE_NAME=${IMAGE_NAME}" >> $GITHUB_ENV
          echo "TAG=${REGISTRY}/${OWNER}/${IMAGE_REPO}:${IMAGE_NAME}-debian" >> $GITHUB_ENV
      - name: Environment
        run: env
      - name: Prepare Dockerfiles
        run: |
          ./add-custom.sh -u "https://s3.amazonaws.com/flink-nightly/flink-${{ matrix.build.flink_version }}-bin-scala_2.12.tgz" -j ${{ matrix.java_version }} -n ${IMAGE_NAME}
      - name: Build image
        run: |
          dockerfile="$(ls ./*/*${{ matrix.build.flink_version }}*${{ matrix.java_version }}*/Dockerfile)"
          dockerfile_dir="$(dirname "$dockerfile")"
          echo "===> Building ${TAG} image from ${dockerfile_dir}"
          docker build -t ${TAG} ${dockerfile_dir}
      - name: Docker login
        run: |
          docker login ${REGISTRY} -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }}
      - name: "Publish snapshots"
        run: |
          docker push "${TAG}"