test.yml

name: test pruner


on:
  push:
    paths:
      - 'experimental/**'
      - '.github/**'
  workflow_dispatch:

defaults:
  run:
    shell: 'bash -Eeuo pipefail -x {0}'

permissions:
  contents: read

jobs:
  build_and_prune:
    runs-on: "ubuntu-latest"
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
        env:
          REGISTRY_STORAGE: "s3"
          REGISTRY_STORAGE_S3_BUCKET: "mockbucket"
          REGISTRY_STORAGE_S3_V4AUTH: "false"
          REGISTRY_STORAGE_S3_REGION: "generic"
          REGISTRY_STORAGE_S3_REGIONENDPOINT: "http://s3mock:9090"
          REGISTRY_STORAGE_S3_SECURE: "false"
          REGISTRY_STORAGE_S3_ACCESSKEY: "123"
          REGISTRY_STORAGE_S3_SECRETKEY: "123"
          REGISTRY_STORAGE_REDIRECT_DISABLE: "true"
        credentials:
          username: oxpa
          password: ${{ secrets.DOCKERHUB_PASS }}
      s3mock:
        image: adobe/s3mock
        ports:
          - 9090:9090
        env:
          initialBuckets: mockbucket
          debug: true
        credentials:
          username: oxpa
          password: ${{ secrets.DOCKERHUB_PASS }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Build code
        run: |
          cd cmds/docker-distribution-pruner/
          go get
          go build
          mv docker-distribution-pruner  ../../
          cd -

      - name: Add bucket hostname
        run: echo "127.0.0.1 mockbucket.s3mock s3mock" | sudo tee -a /etc/hosts
      
      - name: Login to Dockerhub
        uses: docker/login-action@v3
        with:
          username: oxpa
          password: ${{ secrets.DOCKERHUB_PASS }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
           platforms: arm64v8, amd64

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: network=host
          
          
      - name: Build A as latest image
        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
        env:
          SOURCE_DATE_EPOCH: 123
        with:
          file: "examples/fixtures/Dockerfile"
          context: "examples/fixtures/"
          platforms: "amd64,arm64"
          tags: "localhost:5000/image:latest"
          outputs: type=registry,push=true,rewrite-timestamp=true
          target: "A"
          
      - name: Build B as latest image
        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
        env:
          SOURCE_DATE_EPOCH: 123
        with:
          file: "examples/fixtures/Dockerfile"
          context: "examples/fixtures/"
          platforms: "amd64,arm64"
          tags: "localhost:5000/image:latest"
          outputs: type=registry,push=true,rewrite-timestamp=true
          target: "B"
          
      - name: Build AB as latest image
        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
        env:
          SOURCE_DATE_EPOCH: 123
        with:
          file: "examples/fixtures/Dockerfile"
          context: "examples/fixtures/"
          platforms: "amd64,arm64"
          tags: "localhost:5000/image:latest,localhost:5000/image:AB"
          outputs: type=registry,push=true,rewrite-timestamp=true
          target: "AB"
          
      - name: Build A as latest and A
        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
        env:
          SOURCE_DATE_EPOCH: 123
        with:
          file: "examples/fixtures/Dockerfile"
          context: "examples/fixtures/"
          platforms: "amd64,arm64"
          tags: "localhost:5000/image:A,localhost:5000/image:latest"
          outputs: type=registry,push=true,rewrite-timestamp=true
          target: "A"
          
      - name: Build AB for latest
        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
        env:
          SOURCE_DATE_EPOCH: 123
        with:
          file: "examples/fixtures/Dockerfile"
          context: "examples/fixtures/"
          platforms: "amd64,arm64"
          tags: "localhost:5000/image:latest"
          outputs: type=registry,push=true,rewrite-timestamp=true
          target: "AB"

      - name: Install regctl
        uses: iarekylew00t/regctl-installer@v2

      - name: Test images can be downloaded
        run: |
          regctl --host reg=localhost:5000,tls=disabled tag list localhost:5000/image
          for i in A AB latest; do 
            regctl --host reg=localhost:5000,tls=disabled image manifest localhost:5000/image:$i 
            regctl --host reg=localhost:5000,tls=disabled image export localhost:5000/image:$i > /dev/null
          done

      - name: Prune registry
        run: |
          EXPERIMENTAL=true ./docker-distribution-pruner -config examples/registry/s3config.yml -delete -trace

      - name: Test images can be downloaded after pruning
        run: |
          regctl --host reg=localhost:5000,tls=disabled tag list localhost:5000/image
          for i in A AB latest; do 
            regctl --host reg=localhost:5000,tls=disabled image manifest localhost:5000/image:$i
            regctl --host reg=localhost:5000,tls=disabled image export localhost:5000/image:$i > /dev/null
          done