clear_cache.yml

name: Clear kernel cache

on:
  workflow_dispatch:

jobs:
  clear-cache:
    runs-on: rehosting-arc
    steps:
      - name: Trust Harbor's self-signed certificate
        run: |
          echo "Fetching certificate from ${{ secrets.REHOSTING_ARC_REGISTRY }}"
          openssl s_client -showcerts -connect ${{ secrets.REHOSTING_ARC_REGISTRY }}:443 < /dev/null 2>/dev/null | openssl x509 -outform PEM | sudo tee /usr/local/share/ca-certificates/harbor.crt > /dev/null
          sudo update-ca-certificates
      - uses: oras-project/setup-oras@v1.2.3
      - name: Log in to Rehosting Arc Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ secrets.REHOSTING_ARC_REGISTRY }}
          username: ${{ secrets.REHOSTING_ARC_REGISTRY_USER }}
          password: ${{ secrets.REHOSTING_ARC_REGISTRY_PASSWORD }}
      - name: Delete all kernel cache images
        run: |
          set -e
          repo="${{ secrets.REHOSTING_ARC_REGISTRY }}/rehosting/linux_builder_cache"
          tags=$(oras repo tags $repo)
          for tag in $tags; do
            echo "Deleting $repo:$tag"
            oras repo rm $repo:$tag || echo "Failed to delete $repo:$tag"
          done