pr-validation.yaml

permissions:
  contents: read

name: PR Validation

on:
  pull_request:
  merge_group:

jobs:
  file-checks:
    runs-on: ubuntu-latest
    steps:
      - name: Clone the code
        uses: actions/checkout@v4 #v3.2.0
      - name: reviewdog
        uses: reviewdog/action-setup@3f401fe1d58fe77e10d665ab713057375e39b887 # v1.3.0
        with:
          reviewdog_version: latest

      - name: Trailing Whitespace
        shell: bash
        env:
          REVIEWDOG_GITHUB_API_TOKEN: ${{ github.token }}
        run: |
          set -e
          pushd "${GITHUB_WORKSPACE}/" || exit 1
          echo '::group:: Flagging trailing whitespace with reviewdog 🐶 ...'
          # Don't fail because of grep
          set +o pipefail
          # Exclude generated and vendored files, plus some legacy
          # paths until we update all .gitattributes
          git ls-files |
          git check-attr --stdin linguist-generated | grep -Ev ': (set|true)$' | cut -d: -f1 |
          git check-attr --stdin linguist-vendored | grep -Ev ': (set|true)$' | cut -d: -f1 |
          git check-attr --stdin ignore-lint | grep -Ev ': (set|true)$' | cut -d: -f1 |
          grep -Ev '^(vendor/|third_party/|LICENSES/|.git|bundle/|embeds/grafonnet-lib/)' |
          grep -v api.md |
          xargs grep -nE " +$" |
          reviewdog -efm="%f:%l:%m" \
                -name="trailing whitespace" \
                -reporter="github-pr-check" \
                -filter-mode="added" \
                -fail-on-error="true" \
                -level="error"
          echo '::endgroup::'
          popd
      - name: EOF newline
        shell: bash
        env:
          REVIEWDOG_GITHUB_API_TOKEN: ${{ github.token }}
        run: |
          set -e
          pushd "${GITHUB_WORKSPACE}/" || exit 1
          git status
          echo '::group:: Flagging missing EOF newlines with reviewdog 🐶 ...'
          # Don't fail because of misspell
          set +o pipefail
          # Lint exclude rule:
          #  - nothing in vendor/
          #  - nothing in third_party
          #  - nothing in .git/
          #  - no *.ai (Adobe Illustrator) files.
          LINT_FILES=$(git ls-files |
          git check-attr --stdin linguist-generated | grep -Ev ': (set|true)$' | cut -d: -f1 |
          git check-attr --stdin linguist-vendored | grep -Ev ': (set|true)$' | cut -d: -f1 |
          git check-attr --stdin ignore-lint | grep -Ev ': (set|true)$' | cut -d: -f1 |
          grep -Ev '^(vendor/|third_party/|LICENSES/|.git|embeds/grafonnet-lib/)' |
          grep -v '\.ai$' |
          grep -v '\.svg$')
          for x in $LINT_FILES; do
            # Based on https://stackoverflow.com/questions/34943632/linux-check-if-there-is-an-empty-line-at-the-end-of-a-file
            if [[ -f $x && ! ( -s "$x" && -z "$(tail -c 1 $x)" ) ]]; then
              # We add 1 to `wc -l` here because of this limitation (from the man page):
              # Characters beyond the final <newline> character will not be included in the line count.
              echo $x:$((1 + $(wc -l $x | tr -s ' ' | cut -d' ' -f 1))): Missing newline
            fi
          done |
          reviewdog -efm="%f:%l: %m" \
                -name="EOF Newline" \
                -reporter="github-pr-check" \
                -filter-mode="added" \
                -fail-on-error="true" \
                -level="error"
          echo '::endgroup::'
          popd

  go-lint:
    runs-on: ubuntu-latest
    steps:
      - name: Clone repo
        uses: actions/checkout@v4 #v3.2.0

      - name: Setup go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"

      - name: golangci-lint
        uses: golangci/golangci-lint-action@v6.1.1
        with:
          version: "v1.62.0"

      - name: Verify golangci-lint config
        run: |
          golangci-lint config verify

  test:
    runs-on: ubuntu-latest
    steps:
      - name: Clone repo
        uses: actions/checkout@v4 #v3.2.0

      - name: Setup go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"

      - name: Run test
        run: |
          make test

      - name: Check if working tree is dirty
        run: |
          if [[ $(git status --porcelain) ]]; then
            git diff
            echo '::error::run make test and commit changes'
            exit 1
          fi

  helm:
    runs-on: ubuntu-latest
    steps:
      - name: Clone repo
        uses: actions/checkout@v4 #v3.2.0

      - name: Setup go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"

      - name: Run helm-template
        run: |
          helm template deploy/helm/grafana-operator/

      - name: Run helm-lint
        run: |
          helm lint deploy/helm/grafana-operator/
      - name: Run helm-docs
        run: |
          make helm/docs

      - name: Check if working tree is dirty
        run: |
          if [[ $(git status --porcelain) ]]; then
            git diff
            echo '::error::run make helm/docs and commit changes'
            exit 1
          fi

  kustomize:
    runs-on: ubuntu-latest
    steps:
      - name: Clone repo
        uses: actions/checkout@v4 #v3.2.0

      - name: Setup go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"

      - name: Install kustomize
        run: |
          make kustomize

      - name: Check if overlays can be successfully built
        run: |
          for d in deploy/kustomize/overlays/*/ ; do
            kustomize build "$d" --load-restrictor LoadRestrictionsNone > /dev/null
          done

  trivy:
    runs-on: ubuntu-latest
    steps:
      - name: Clone repo
        uses: actions/checkout@v4 #v3.2.0

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: "fs"
          scan-ref: "."
          format: "table"
          exit-code: "1"
          ignore-unfixed: true
          severity: "CRITICAL,HIGH"