push.yml

---
name: Build and push Docker Image

on:
  push:
    branches-ignore:
      - dependabot/**
  pull_request:
    types: [labeled]

permissions:
  contents: read

jobs:
  build_and_push:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    strategy:
      matrix:
        tenants: [default, brb, nbc]
    steps:
      - uses: actions/checkout@v3

      - name: Docker meta Service Name
        id: docker_meta_img
        uses: docker/metadata-action@v4
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=ref,event=branch,enable=false,priority=600
            type=sha,enable=true,priority=600,prefix=
      - name: Log into registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: test image exists
        run: |
          mkdir -p ~/.docker
          echo '{"experimental": "enabled"}' >> ~/.docker/config.json
          echo "IMAGE_EXISTS=$(docker manifest inspect ghcr.io/${{ github.repository }}:${{ github.sha }} > /dev/null && echo 1 || echo 0)" >> $GITHUB_ENV

      - name: Build and push ${{ github.repository }}
        if: ${{ env.IMAGE_EXISTS == 0 }}
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ github.sha }}
          labels: ${{ steps.docker_meta_img.outputs.labels }}

  branch_meta:
    runs-on: ubuntu-latest
    outputs:
      branch: ${{ steps.extract_branch_meta.outputs.branch }}
      sha: ${{ steps.extract_branch_meta.outputs.sha }}
    steps:
      - name: Extract branch meta
        shell: bash
        id: extract_branch_meta
        run: |
          if [ "${{ github.event_name }}" == 'pull_request' ]; then
            echo "branch=${{ github.event.pull_request.head.ref }}" >> $GITHUB_OUTPUT
            echo "sha=${{ github.event.pull_request.head.sha }}" >> $GITHUB_OUTPUT
          else
            echo "branch=${GITHUB_REF#refs/heads/}" >> $GITHUB_OUTPUT
            echo "sha=${{ github.sha }}" >> $GITHUB_OUTPUT
          fi

  branch_name:
    runs-on: ubuntu-latest
    outputs:
      branch: ${{ steps.extract_branch.outputs.branch }}
    steps:
      - name: Extract branch name
        shell: bash
        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
        id: extract_branch

  deploy:
    needs:
      - build_and_push
      - branch_name
    uses: hpi-schul-cloud/dof_app_deploy/.github/workflows/deploy.yml@main
    with:
      branch: ${{ needs.branch_name.outputs.branch }}
    secrets:
      token: ${{ secrets.GITHUB_TOKEN }}
      DEV_VAULT: ${{ secrets.DEV_VAULT }}
      DEV_KUBE_CONFIG: ${{ secrets.DEV_KUBE_CONFIG }}
      BINGO_REPO_TOKEN: ${{ secrets.BINGO_REPO_TOKEN }}

  deploy-successful:
    needs:
      - deploy
    runs-on: ubuntu-latest
    steps:
      - run: echo "deploy was successful"

  trivy-vulnerability-scanning:
    needs:
      - build_and_push
      - branch_name
    runs-on: ubuntu-latest
    permissions:
      actions: read
      contents: read
      security-events: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: run trivy vulnerability scanner
        uses: aquasecurity/trivy-action@7b7aa264d83dc58691451798b4d117d53d21edfe
        with:
          image-ref: 'ghcr.io/${{ github.repository }}:${{ github.sha }}'
          format: 'sarif'
          output: 'trivy-results.sarif'
          severity: 'CRITICAL,HIGH'
          exit-code: 1
          ignore-unfixed: true
      - name: upload trivy results
        if: ${{ always() }}
        uses: github/codeql-action/upload-sarif@v2
        with:
          sarif_file: 'trivy-results.sarif'