obaas-base-image.yml

name: "Build OBaaS Base Image"
on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:
env:
  src_tag: 17-muslib-ol8
  dst_img: graalvm-native-image-obaas
  description: "Oracle GraalVM for JDK 17 and OBaaS."
jobs:
  obaas-image:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v4
        with:
          sparse-checkout: .github

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get latest Image Software Digest
        run: |
          latest_digest=$(docker run --rm --entrypoint cat ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:latest /image_digest)
          echo "Current Digest: $latest_digest"
          echo "latest_digest=$latest_digest" >> $GITHUB_ENV
        continue-on-error: true

      - name: Create New Image
        if: env.latest_digest == ''
        uses: ./.github/actions/process-image
        with:
          src_image: container-registry.oracle.com/graalvm/native-image:${{ env.src_tag }}
          dst_image: ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:${{ env.src_tag }}
          description: ${{ env.description }}
          push: true

      - name: Run Trivy Vulnerability Scanner
        id: trivy_scan
        if: env.latest_digest != ''
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:latest
          format: 'table'
          exit-code: '1'
          ignore-unfixed: true
          vuln-type: 'os,library'
          severity: 'CRITICAL,HIGH'
        continue-on-error: true

      - name: Update Existing Image
        id: update_image
        if: env.latest_digest != '' && steps.trivy_scan.outcome == 'failure'
        uses: ./.github/actions/process-image
        with:
          src_image: ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:latest
          dst_image: ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:${{ env.src_tag }}
          description: ${{ env.description }}
          push: false

      - name: Get newest Image Software Digest
        id: get_newest_digest
        if: steps.update_image.outcome != 'skipped'
        run: |
          newest_digest=$(docker run --rm --entrypoint cat ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:latest /image_digest)
          echo "New Digest: $newest_digest"
          echo "newest_digest=$newest_digest" >> $GITHUB_ENV

      - name: Push Updated Image
        if: steps.get_newest_digest.outcome != 'skipped' && env.latest_digest != env.newest_digest
        uses: ./.github/actions/process-image
        with:
          src_image: ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:latest
          dst_image: ghcr.io/${{ github.repository_owner }}/${{ env.dst_img }}:${{ env.src_tag }}
          description: ${{ env.description }}
          push: true