name: image-build
on:
  push:
    branches:
      - 'main'
      - 'release*'

permissions: 
  contents: read
  packages: write
  id-token: write 

jobs:
  pre-checks:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Set up Go
        uses: actions/setup-go@424fc82d43fa5a37540bae62709ddcc23d9520d4 # v2.1.5
        with:
          go-version: 1.18

      - name: Cache Go modules
        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77 # pin@v3
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: gofmt check
        run: |
          if [ "$(gofmt -s -l . | wc -l)" -ne 0 ]
          then
           echo "The following files were found to be not go formatted:"
           gofmt -s -l .
           echo "Please run 'make fmt' to go format the above files."
           exit 1
          fi

      - name: goimports
        run: |
          if [ "$(goimports -l . | wc -l)" -ne 0 ]
          then
           echo "The following files were found to have import formatting issues:"
           goimports -l -l .
           echo "Please run 'make fmt' to go format the above files."
           exit 1
          fi

      - name: golangci-lint
        uses: reviewdog/action-golangci-lint@02bcf8c1a9febe8620f1ca523b18dd64f82296db # v1.25.0

      - name: Checking unused pkgs using go mod tidy
        run: |
          make unused-package-check

  build-init-kyverno:
    runs-on: ubuntu-latest
    needs: pre-checks
    steps:
      - name: Checkout
        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Set up Go
        uses: actions/setup-go@424fc82d43fa5a37540bae62709ddcc23d9520d4 # v2.1.5
        with:
          go-version: 1.18

      - name: Cache Go modules
        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77 # pin@v3
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: ko build
        run: make ko-build-kyvernopre

  build-kyverno:
    runs-on: ubuntu-latest
    needs: pre-checks
    steps:
      - name: Checkout
        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Set up Go
        uses: actions/setup-go@424fc82d43fa5a37540bae62709ddcc23d9520d4 # v2.1.5
        with:
          go-version: 1.18

      - name: Cache Go modules
        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77 # pin@v3
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: ko build
        run: make ko-build-kyverno

      - name: Trivy Scan Image
        uses: aquasecurity/trivy-action@40c4ca9e7421287d0c5576712fdff370978f9c3c
        with:
          scan-type: 'fs'
          ignore-unfixed: true
          format: 'sarif'
          output: 'trivy-results.sarif'
          severity: 'CRITICAL,HIGH'

  build-kyverno-cli:
    runs-on: ubuntu-latest
    needs: pre-checks
    steps:
      - name: Checkout
        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Set up Go
        uses: actions/setup-go@424fc82d43fa5a37540bae62709ddcc23d9520d4 # v2.1.5
        with:
          go-version: 1.18

      - name: Cache Go modules
        uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77 # pin@v3
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: ko build
        run: make ko-build-cli