build-publish-image.yml

name: Create, Scan and Publish KDM image
on:
  workflow_dispatch:
  pull_request:
    branches:
      - main
      - release-**
    types: [ closed ]

permissions:
  contents: write
  packages: write


env:
  REGISTRY: ghcr.io
  GO_VERSION: '1.20'
  IMAGE_NAME: 'kdm'
  IMG_TAG: 'latest'

jobs:
  export-registry:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.title, 'update manifest and helm charts')
    runs-on: ubuntu-20.04
    outputs:
      registry: ${{ steps.export.outputs.registry }}
    steps:
      - id: export
        run: |
          # registry must be in lowercase
          echo "registry=$(echo "${{ env.REGISTRY }}/${{ github.repository }}" | tr [:upper:] [:lower:])" >> $GITHUB_OUTPUT

  create-tag:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.title, 'update manifest and helm charts')
    runs-on: ubuntu-20.04
    outputs:
      tag: ${{ steps.get-tag.outputs.tag }}
    steps:
      - name: Set up Go ${{ env.GO_VERSION }}
        uses: actions/setup-go@v4
        with:
          go-version: ${{ env.GO_VERSION  }}
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          submodules: true
      - id: get-tag
        name: Get tag
        run: echo "tag=$(echo ${{ github.event.pull_request.head.ref }} | tr -d release-)" >> $GITHUB_OUTPUT
      - name: Create tag
        uses: actions/github-script@v6
        with:
          script: |
            github.rest.git.createRef({
              owner: context.repo.owner,
              repo: context.repo.repo,
              ref: 'refs/tags/${{ steps.get-tag.outputs.tag }}',
              sha: context.sha
            })

  publish-images:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.title, 'update manifest and helm charts')
    needs:
      - create-tag
      - export-registry
    env:
      IMG_TAG: ${{ needs.create-tag.outputs.tag }}
      REGISTRY: ${{ needs.export-registry.outputs.registry }}
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true
          fetch-depth: 0
          ref: ${{ steps.get-tag.outputs.tag }}
      - name: Login to ${{ env.REGISTRY }}
        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Set Image tag
        run: |
          ver=${{ needs.create-tag.outputs.tag }}
          echo "IMG_TAG=${ver#"v"}" >> $GITHUB_ENV
      - name: Build image
        run: |
          OUTPUT_TYPE=type=docker make docker-build-kdm
        env:
          VERSION: ${{ env.IMG_TAG }}

      - name: Scan ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMG_TAG }}
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMG_TAG }}
          format: 'table'
          exit-code: '1'
          ignore-unfixed: true
          vuln-type: 'os,library'
          severity: 'CRITICAL,HIGH'
          timeout: '5m0s'
        env:
          TRIVY_USERNAME: ${{ github.actor }}
          TRIVY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}

      - name: Push image
        run: |
          OUTPUT_TYPE=type=registry make docker-build-kdm
        env:
          VERSION: ${{ env.IMG_TAG }}
      - name: Save registry and tag as an artifact for other workflows that run on workflow_run to download them
        run: |
          mkdir -p /tmp/artifacts
          echo ${{ needs.create-tag.outputs.tag }} >> /tmp/artifacts/tag.txt
          cat /tmp/artifacts/tag.txt
      - uses: actions/upload-artifact@v3
        with:
          name: artifacts
          path: /tmp/artifacts