.github/workflows/build-docker-image.yml

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# to you under the Apache License, Version 2.0 (the
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name: Docker Image Build

on:
  push:
    branches:
      - main
    tags:
      - '*'
  pull_request:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  build:
    if: github.repository == 'apache/cloudstack-kubernetes-provider'
    runs-on: ubuntu-latest
    steps:
      - name: Set Docker repository name
        run: echo "DOCKER_REPOSITORY=apache" >> $GITHUB_ENV

      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
          
      - name: Set Docker image TAG
        run: echo "TAG=$(if [ "${{ github.event_name }}" = "pull_request" ];then echo "pr${{ github.event.pull_request.number}}"; elif [ "${{ github.ref_name }}" = "main" ];then cat version; else echo ${{ github.ref_name }};fi)" >> $GITHUB_ENV

      - name: Set Docker image FULL TAG
        run: echo "FULL_TAG=$(if [ "${{ secrets.DOCKER_REGISTRY }}" = "" ];then echo ${DOCKER_REPOSITORY}/cloudstack-kubernetes-provider:${TAG};else echo ${{ secrets.DOCKER_REGISTRY }}/${DOCKER_REPOSITORY}/cloudstack-kubernetes-provider:${TAG};fi)" >> $GITHUB_ENV

      - name: Check if should push
        id: should_push
        run: |
          if [ "${{ github.event_name }}" != "pull_request" ] || [ "${{ github.event.pull_request.head.repo.full_name }}" = "${{ github.repository }}" ]; then
            echo "should_push=true" >> $GITHUB_OUTPUT
          else
            echo "should_push=false" >> $GITHUB_OUTPUT
          fi

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Registry
        if: steps.should_push.outputs.should_push == 'true'
        uses: docker/login-action@v3
        with:
          registry: ${{ secrets.DOCKER_REGISTRY }}
          username: ${{ secrets.DOCKERHUB_USER }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set cache configuration
        id: cache_config
        run: |
          if [ "${{ steps.should_push.outputs.should_push }}" = "true" ]; then
            echo "cache_from=type=registry,ref=${FULL_TAG}-cache" >> $GITHUB_OUTPUT
            echo "cache_to=type=registry,ref=${FULL_TAG}-cache,mode=max" >> $GITHUB_OUTPUT
          fi

      - name: Build and push Docker image for cloudstack-kubernetes-provider (multi-arch)
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: ${{ steps.should_push.outputs.should_push == 'true' }}
          tags: ${{ env.FULL_TAG }}
          cache-from: ${{ steps.cache_config.outputs.cache_from }}
          cache-to: ${{ steps.cache_config.outputs.cache_to }}