ci-image-gc-by-pr.yaml

# cleaner for ghcr image , when PR is closed
name: Clean Image CI By PR

env:
  ONLINE_REGISTER: ghcr.io

on:
  pull_request:
    types: [closed]

permissions: write-all

jobs:
  purge-image:
    name: Delete image from ghcr.io
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - name: spiderpool-agent
          - name: spiderpool-controller
    steps:
      # commit sha is used for image tag
      - name: Getting image tag
        id: tag
        run: |
          if [ ${{ github.event.pull_request.head.sha }} != "" ]; then
            echo ::set-output name=tag::${{ github.event.pull_request.head.sha }}
          else
            echo ::set-output name=tag::${{ github.sha }}
          fi

      - name: Delete CI image
        uses: vlaurin/action-ghcr-prune@v0.4.0
        with:
          token: ${{ secrets.WELAN_PAT }}
          organization: ${{ github.repository_owner }}
          container: ${{ env.ONLINE_REGISTER }}/${{ github.repository }}/${{ matrix.name }}-ci
          # Dry-run first, then change to `false`
          dry-run: false
          # Minimum age in days of a version before it is pruned. Defaults to 0 which matches all versions of a container
          older-than: 0
          # Count of most recent, matching containers to exclude from pruning
          keep-last: 0
          # untagged versions should be pruned
          untagged: true
          # if no tag-regex , all tag will be pruned
          tag-regex: "${{ steps.tag.outputs.tag }}"