name: "Validations"
on:
  workflow_dispatch:
  push:
  pull_request:

env:
  GO_VERSION: "1.16.x"

jobs:

  # Note: changing this job name requires making the same update in the .github/workflows/release.yaml pipeline
  Static-Analysis:
    name: "Static analysis"
    runs-on: ubuntu-20.04
    # run only on push event (internal PRs) or on a pull_request event that is from a fork (external PR)
    # skip if this is a pull_request event on an internal PR (which is already covered by push events)
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - uses: actions/checkout@v2

      - name: Restore tool cache
        id: tool-cache
        uses: actions/cache@v2.1.3
        with:
          path: ${{ github.workspace }}/.tmp
          key: ${{ runner.os }}-tool-${{ hashFiles('Makefile') }}

      - name: Restore go cache
        id: go-cache
        uses: actions/cache@v2.1.3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-${{ env.GO_VERSION }}-

      - name: (cache-miss) Bootstrap all project dependencies
        if: steps.tool-cache.outputs.cache-hit != 'true' || steps.go-cache.outputs.cache-hit != 'true'
        run: make bootstrap

      - name: Bootstrap CI environment dependencies
        run: make ci-bootstrap

      - name: Run static analysis
        run: make static-analysis

  # Note: changing this job name requires making the same update in the .github/workflows/release.yaml pipeline
  Unit-Test:
    name: "Unit tests"
    runs-on: ubuntu-20.04
    # run only on push event (internal PRs) or on a pull_request event that is from a fork (external PR)
    # skip if this is a pull_request event on an internal PR (which is already covered by push events)
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - uses: actions/checkout@v2

      - name: Restore docker cache
        uses: satackey/action-docker-layer-caching@v0.0.11
        continue-on-error: true

      - name: Restore tool cache
        id: tool-cache
        uses: actions/cache@v2.1.3
        with:
          path: ${{ github.workspace }}/.tmp
          key: ${{ runner.os }}-tool-${{ hashFiles('Makefile') }}

      - name: Restore go cache
        id: go-cache
        uses: actions/cache@v2.1.3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-${{ env.GO_VERSION }}-

      - name: (cache-miss) Bootstrap all project dependencies
        if: steps.tool-cache.outputs.cache-hit != 'true' || steps.go-cache.outputs.cache-hit != 'true'
        run: make bootstrap

      - name: Bootstrap CI environment dependencies
        run: make ci-bootstrap

      - name: Build cache key for java test-fixture blobs (for unit tests)
        run: make java-packages-fingerprint

      - name: Restore Java test-fixture cache
        id: unit-java-cache
        uses: actions/cache@v2.1.3
        with:
          path: syft/pkg/cataloger/java/test-fixtures/java-builds/packages
          key: ${{ runner.os }}-unit-java-cache-${{ hashFiles( 'syft/pkg/cataloger/java/test-fixtures/java-builds/packages.fingerprint' ) }}

      - name: Run unit tests
        run: make unit

      - uses: actions/upload-artifact@v2
        with:
          name: unit-test-results
          path: test/results/**/*

  # Note: changing this job name requires making the same update in the .github/workflows/release.yaml pipeline
  Integration-Test:
    name: "Integration tests"
    runs-on: ubuntu-20.04
    # run only on push event (internal PRs) or on a pull_request event that is from a fork (external PR)
    # skip if this is a pull_request event on an internal PR (which is already covered by push events)
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - uses: actions/checkout@v2

      - name: Restore docker cache
        uses: satackey/action-docker-layer-caching@v0.0.11
        continue-on-error: true

      - name: Restore tool cache
        id: tool-cache
        uses: actions/cache@v2.1.3
        with:
          path: ${{ github.workspace }}/.tmp
          key: ${{ runner.os }}-tool-${{ hashFiles('Makefile') }}

      - name: Restore go cache
        id: go-cache
        uses: actions/cache@v2.1.3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-${{ env.GO_VERSION }}-

      - name: (cache-miss) Bootstrap all project dependencies
        if: steps.tool-cache.outputs.cache-hit != 'true' || steps.go-cache.outputs.cache-hit != 'true'
        run: make bootstrap

      - name: Bootstrap CI environment dependencies
        run: make ci-bootstrap

      - name: Validate syft output against the CycloneDX schema
        run: make validate-cyclonedx-schema

      - name: Build key for tar cache
        run: make integration-fingerprint

      - name: Restore integration test cache
        uses: actions/cache@v2.1.3
        with:
          path: ${{ github.workspace }}/test/integration/test-fixtures/cache
          key: ${{ runner.os }}-integration-test-cache-${{ hashFiles('test/integration/test-fixtures/cache.fingerprint') }}

      - name: Run integration tests
        run: make integration

  Benchmark-Test:
    name: "Benchmark tests"
    runs-on: ubuntu-20.04
    # note: we want benchmarks to run on pull_request events in order to publish results to a sticky comment, and
    # we also want to run on push such that merges to main are recorded to the cache. For this reason we don't filter
    # the job by event.
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - uses: actions/checkout@v2

      - name: Restore docker cache
        uses: satackey/action-docker-layer-caching@v0.0.11
        continue-on-error: true

      - name: Restore tool cache
        id: tool-cache
        uses: actions/cache@v2.1.3
        with:
          path: ${{ github.workspace }}/.tmp
          key: ${{ runner.os }}-tool-${{ hashFiles('Makefile') }}

      - name: Restore go cache
        id: go-cache
        uses: actions/cache@v2.1.3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-${{ env.GO_VERSION }}-

      - name: (cache-miss) Bootstrap all project dependencies
        if: steps.tool-cache.outputs.cache-hit != 'true' || steps.go-cache.outputs.cache-hit != 'true'
        run: make bootstrap

      - name: Bootstrap CI environment dependencies
        run: make ci-bootstrap

      - name: Restore base benchmark result
        uses: actions/cache@v2
        with:
          path: test/results/benchmark-main.txt
          # use base sha for PR or new commit hash for main push in benchmark result key
          key: ${{ runner.os }}-bench-${{ (github.event.pull_request.base.sha != github.event.after) && github.event.pull_request.base.sha || github.event.after }}

      - name: Run benchmark tests
        id: benchmark
        run: |
          REF_NAME=${GITHUB_REF##*/} make benchmark
          echo "::set-output name=result::$(make show-benchstat)"

      - uses: actions/upload-artifact@v2
        with:
          name: branchmark-test-results
          path: test/results/**/*

      - name: Update PR benchmark results comment
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: benchmark
          message: |
            ### Benchmark Test Results

            <details>
              <summary>Benchmark results from the latest changes vs base branch</summary>

            ```
            ${{ steps.benchmark.outputs.result }}
            ```

            </details>

  Build-Snapshot-Artifacts:
    name: "Build snapshot artifacts"
    runs-on: ubuntu-20.04
    # run only on push event (internal PRs) or on a pull_request event that is from a fork (external PR)
    # skip if this is a pull_request event on an internal PR (which is already covered by push events)
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - uses: actions/checkout@v2

      - name: Restore tool cache
        id: tool-cache
        uses: actions/cache@v2.1.3
        with:
          path: ${{ github.workspace }}/.tmp
          key: ${{ runner.os }}-tool-${{ hashFiles('Makefile') }}

      - name: Restore go cache
        id: go-cache
        uses: actions/cache@v2.1.3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-${{ env.GO_VERSION }}-

      - name: (cache-miss) Bootstrap all project dependencies
        if: steps.tool-cache.outputs.cache-hit != 'true' || steps.go-cache.outputs.cache-hit != 'true'
        run: make bootstrap

      - name: Build snapshot artifacts
        run: make snapshot

      - uses: actions/upload-artifact@v2
        with:
          name: artifacts
          path: snapshot/**/*

  # Note: changing this job name requires making the same update in the .github/workflows/release.yaml pipeline
  Acceptance-Linux:
    name: "Acceptance tests (Linux)"
    needs: [Build-Snapshot-Artifacts]
    runs-on: ubuntu-20.04
    # run only on push event (internal PRs) or on a pull_request event that is from a fork (external PR)
    # skip if this is a pull_request event on an internal PR (which is already covered by push events)
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - uses: actions/checkout@v2

      - uses: actions/download-artifact@v2
        with:
          name: artifacts
          path: snapshot

      - name: Run Acceptance Tests (Linux)
        run: make acceptance-linux

  # Note: changing this job name requires making the same update in the .github/workflows/release.yaml pipeline
  Acceptance-Mac:
    name: "Acceptance tests (Mac)"
    needs: [Build-Snapshot-Artifacts]
    runs-on: macos-latest
    # run only on push event (internal PRs) or on a pull_request event that is from a fork (external PR)
    # skip if this is a pull_request event on an internal PR (which is already covered by push events)
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - uses: actions/checkout@v2

      - uses: actions/download-artifact@v2
        with:
          name: artifacts
          path: snapshot

      - name: Run Acceptance Tests (Mac)
        run: make acceptance-mac

  # Note: changing this job name requires making the same update in the .github/workflows/release.yaml pipeline
  Cli-Linux:
    name: "CLI tests (Linux)"
    needs: [Build-Snapshot-Artifacts]
    runs-on: ubuntu-20.04
    # run only on push event (internal PRs) or on a pull_request event that is from a fork (external PR)
    # skip if this is a pull_request event on an internal PR (which is already covered by push events)
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    steps:
      - uses: actions/checkout@v2

      - name: Restore docker cache
        uses: satackey/action-docker-layer-caching@v0.0.11
        continue-on-error: true

      - name: Restore go cache
        id: go-cache
        uses: actions/cache@v2.1.3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-${{ env.GO_VERSION }}-

      - name: (cache-miss) Bootstrap go dependencies
        if: steps.go-cache.outputs.cache-hit != 'true'
        run: make bootstrap-go

      - name: Build key for tar cache
        run: make cli-fingerprint

      - name: Restore CLI test cache
        uses: actions/cache@v2.1.3
        with:
          path: ${{ github.workspace }}/test/cli/test-fixtures/cache
          key: ${{ runner.os }}-cli-test-cache-${{ hashFiles('test/cli/test-fixtures/cache.fingerprint') }}

      - uses: actions/download-artifact@v2
        with:
          name: artifacts
          path: snapshot

      - name: Run CLI Tests (Linux)
        run: make cli