main.yml

name: Main

on:
  push:

env:
  KOSLI_DRY_RUN: ${{ vars.KOSLI_DRY_RUN }}           # false
  KOSLI_HOST: ${{ vars.KOSLI_HOST }}                 # https://app.kosli.com
  KOSLI_ORG: ${{ vars.KOSLI_ORG }}                   # cyber-dojo
  KOSLI_FLOW: ${{ vars.KOSLI_FLOW }}                 # runner-ci
  KOSLI_API_TOKEN: ${{ secrets.KOSLI_API_TOKEN }}
  KOSLI_TRAIL: ${{ github.sha }}
  SERVICE_NAME: ${{ github.event.repository.name }}  # runner
  AWS_ACCOUNT_ID: ${{ vars.AWS_ACCOUNT_ID }}
  AWS_ECR_ID: ${{ vars.AWS_ECR_ID }}
  AWS_REGION: ${{ vars.AWS_REGION }}
  IMAGE_TAR_FILENAME: /tmp/${{ github.event.repository.name }}:${{ github.sha }}.tar
  DOCKER_API_VERSION: ${{ vars.DOCKER_API_VERSION }}

jobs:

  setup:
    runs-on: ubuntu-latest
    outputs:
      aws_account_id: ${{ steps.vars.outputs.aws_account_id }}
      ecr_registry: ${{ steps.vars.outputs.ecr_registry }}
      aws_region: ${{ steps.vars.outputs.aws_region }}
      gh_actions_iam_role_name: ${{ steps.vars.outputs.gh_actions_iam_role_name }}
      service_name: ${{ steps.vars.outputs.service_name }}
      image_tag: ${{ steps.vars.outputs.image_tag }}
      image_name: ${{ steps.vars.outputs.image_name }}
      image_name_previous: ${{ steps.vars.outputs.image_name_previous }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Prepare outputs for workflow jobs
        id: vars
        run: |
          IMAGE_TAG=${GITHUB_SHA:0:7}        
          IMAGE_TAG_PREVIOUS=$(git rev-parse --short=7 HEAD^)

          ECR_REGISTRY="${AWS_ECR_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com"
          
          IMAGE_NAME="${ECR_REGISTRY}/${{ env.SERVICE_NAME }}:${IMAGE_TAG}"
          IMAGE_NAME_PREVIOUS="${ECR_REGISTRY}/${{ env.SERVICE_NAME }}:${IMAGE_TAG_PREVIOUS}"
          
          echo "aws_account_id=${AWS_ACCOUNT_ID}"             >> ${GITHUB_OUTPUT}
          echo "ecr_registry=${ECR_REGISTRY}"                 >> ${GITHUB_OUTPUT}
          echo "aws_region=${AWS_REGION}"                     >> ${GITHUB_OUTPUT}
          echo "gh_actions_iam_role_name=gh_actions_services" >> ${GITHUB_OUTPUT}
          echo "service_name=${{ env.SERVICE_NAME }}"         >> ${GITHUB_OUTPUT}
          echo "image_tag=${IMAGE_TAG}"                       >> ${GITHUB_OUTPUT}
          echo "image_name=${IMAGE_NAME}"                     >> ${GITHUB_OUTPUT}
          echo "image_name_previous=${IMAGE_NAME_PREVIOUS}"   >> ${GITHUB_OUTPUT}

      - name: Setup Kosli CLI
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Create Kosli Flow
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        run:
          kosli create flow "${KOSLI_FLOW}"
            --description="Test runner"
            --template-file=.kosli.yml

      - name: Begin Kosli Trail
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        run:
          kosli begin trail "${{ env.KOSLI_TRAIL }}"
            --flow="${{ env.KOSLI_FLOW }}"


  pull-request:
    if: ${{ github.ref == 'refs/heads/main' }}
    needs: []
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: read
      pull-requests: read
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Setup Kosli CLI
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest pull-request evidence to Kosli
        run:
          kosli attest pullrequest github
            --github-token=${{ secrets.GITHUB_TOKEN }}
            --name=pull-request


  rubocop-lint:
    needs: []
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Run Rubocop lint on source
        run:
          make rubocop_lint

      - name: Setup Kosli CLI
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        run:
          kosli attest junit
            --name=runner.rubocop-lint
            --results-dir=./reports/rubocop


  snyk-code-scan:
    runs-on: ubuntu-latest
    needs: []
    env:
      SARIF_FILENAME: snyk.code.scan.json
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Setup Snyk
        uses: snyk/actions/setup@master

      - name: Run Snyk code scan
        env:
          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
        run:
          snyk code test
            --sarif
            --sarif-file-output="${SARIF_FILENAME}"
            --policy-path=.snyk
            .

      - name: Setup Kosli CLI
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        run:
          kosli attest snyk
            --attachments=.snyk
            --name=runner.snyk-code-scan 
            --scan-results="${SARIF_FILENAME}"


  build-image:
    runs-on: ubuntu-latest
    needs: [setup]
    env:
      IMAGE_NAME: ${{ needs.setup.outputs.image_name }}
    permissions:
      id-token: write
      contents: write
    outputs:
      artifact_digest: ${{ steps.variables.outputs.artifact_digest }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-region: ${{ needs.setup.outputs.aws_region }}
          role-duration-seconds: 900
          role-session-name: ${{ github.event.repository.name }}
          role-to-assume: arn:aws:iam::${{ needs.setup.outputs.aws_account_id }}:role/${{ needs.setup.outputs.gh_actions_iam_role_name }}
          mask-aws-account-id: 'no'

      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v2

      - name: Build and push Docker image to ECR
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ env.IMAGE_NAME }}
          cache-from: type=registry,ref=${{ needs.setup.outputs.image_name_previous }}
          cache-to: type=inline,mode=max
          build-args:
            COMMIT_SHA=${{ github.sha }}

      - name: Tar Docker image
        run: |
          docker pull ${{ env.IMAGE_NAME }}          
          docker image save ${{ env.IMAGE_NAME }} --output ${{ env.IMAGE_TAR_FILENAME }}

      - name: Cache Docker image
        uses: actions/cache@v4
        with:
          path: ${{ env.IMAGE_TAR_FILENAME }}
          key: ${{ env.IMAGE_NAME }}

      - name: Make Artifact fingerprint available to following jobs
        id: variables
        run: |
          FINGERPRINT=$(echo ${{ steps.docker_build.outputs.digest }} | sed 's/.*://')          
          echo "artifact_digest=${FINGERPRINT}" >> ${GITHUB_OUTPUT}

      - name: Setup Kosli CLI
        if: ${{ github.ref == 'refs/heads/main' }}
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest image evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' }}
        run:
          kosli attest artifact "${{ env.IMAGE_NAME }}"
            --artifact-type=docker          
            --name=runner


  unit-tests:
    runs-on: ubuntu-latest
    needs: [setup, build-image]
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Retrieve Docker image from cache
        uses: actions/cache@v4
        with:
          path: ${{ env.IMAGE_TAR_FILENAME }}
          key: ${{ needs.setup.outputs.image_name }}

      - name: Load Docker image
        run:
          docker image load --input ${{ env.IMAGE_TAR_FILENAME }}

      - name: Run unit tests
        run:
          make test_server

      - name: Get unit test coverage
        id: coverage
        run:
          make coverage_server

      - name: Setup Kosli CLI
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest JUnit test evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        env:
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
        run:
          kosli attest junit
            --name=runner.unit-test
            --results-dir=./reports/server/junit

      - name: Attest coverage evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        env:
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
        run: |
          KOSLI_COMPLIANT=$([ "${{ steps.coverage.outcome }}" == 'success' ] && echo true || echo false)
          kosli attest generic \
            --description="unit-test branch-coverage and metrics" \
            --name=runner.unit-test-branch-coverage \
            --user-data="./reports/server/coverage_metrics.json"


  integration-tests:
    runs-on: ubuntu-latest
    needs: [setup, build-image]
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Retrieve Docker image from cache
        uses: actions/cache@v4
        with:
          path: ${{ env.IMAGE_TAR_FILENAME }}
          key: ${{ needs.setup.outputs.image_name }}

      - name: Load Docker image
        run:
          docker image load --input ${{ env.IMAGE_TAR_FILENAME }}

      - name: Run integration tests
        run:
          make image_client test_client

      - name: Get integration test coverage
        id: coverage
        run:
          make coverage_client

      - name: Setup Kosli CLI
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest junit test evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        env:
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
        run:
          kosli attest junit
            --name=runner.integration-test
            --results-dir=./reports/client/junit

      - name: Attest coverage evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        env:
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
        run: |
          KOSLI_COMPLIANT=$([ "${{ steps.coverage.outcome }}" == 'success' ] && echo true || echo false)
          kosli attest generic \
            --description="integration-test branch-coverage and metrics" \
            --name=runner.integration-test-branch-coverage \
            --user-data="./reports/client/coverage_metrics.json"


  snyk-container-scan:
    runs-on: ubuntu-latest
    needs: [setup, build-image]
    env:
      SARIF_FILENAME: snyk.container.scan.json
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Retrieve Docker image from cache
        uses: actions/cache@v4
        with:
          path: ${{ env.IMAGE_TAR_FILENAME }}
          key: ${{ needs.setup.outputs.image_name }}

      - name: Load Docker image
        run:
          docker image load --input ${{ env.IMAGE_TAR_FILENAME }}

      - name: Setup Snyk
        uses: snyk/actions/setup@master

      - name: Run Snyk container scan
        env:
          IMAGE_NAME: ${{ needs.setup.outputs.image_name }}
          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
        run:
          make snyk_container_scan

      - name: Setup Kosli CLI
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest evidence to Kosli
        if: ${{ github.ref == 'refs/heads/main' && (success() || failure()) }}
        env:
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
        run:
          kosli attest snyk 
            --attachments=.snyk          
            --name=runner.snyk-container-scan 
            --scan-results="${SARIF_FILENAME}"


  sdlc-control-gate:
    if: ${{ github.ref == 'refs/heads/main' }}
    runs-on: ubuntu-latest
    needs: [setup, build-image, pull-request, rubocop-lint, unit-tests, integration-tests, snyk-container-scan, snyk-code-scan]
    steps:
      - name: Setup Kosli CLI
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Kosli SDLC gate to short-circuit the workflow
        env:
          IMAGE_NAME:        ${{ needs.setup.outputs.image_name }}
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
        run:
          kosli assert artifact ${IMAGE_NAME}


  approve-deployment-to-beta:
    runs-on: ubuntu-latest
    needs: [setup, build-image, sdlc-control-gate]
    environment:
      name: staging
      url: https://beta.cyber-dojo.org
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Kosli CLI
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest approval of deployment to Kosli
        env:
          IMAGE_NAME:        ${{ needs.setup.outputs.image_name }}
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
          KOSLI_ENVIRONMENT: aws-beta
        run:
          kosli report approval ${IMAGE_NAME}
            --approver="${{ github.actor }}"


  deploy-to-beta:
    needs: [setup, approve-deployment-to-beta]
    uses: ./.github/workflows/sub_deploy_to_beta.yml
    with:
      IMAGE_TAG: ${{ needs.setup.outputs.image_tag }}
    secrets:
      KOSLI_API_TOKEN: ${{ secrets.KOSLI_API_TOKEN }}


  approve-deployment-to-prod:
    needs: [setup, build-image, deploy-to-beta]
    runs-on: ubuntu-latest
    environment:
      name: production
      url: https://cyber-dojo.org
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Kosli CLI
        uses: kosli-dev/setup-cli-action@v2
        with:
          version: ${{ vars.KOSLI_CLI_VERSION }}

      - name: Attest approval of deployment to Kosli
        env:
          IMAGE_NAME:        ${{ needs.setup.outputs.image_name }}
          KOSLI_FINGERPRINT: ${{ needs.build-image.outputs.artifact_digest }}
          KOSLI_ENVIRONMENT: aws-prod
        run:
          kosli report approval ${IMAGE_NAME}
            --approver="${{ github.actor }}"


  deploy-to-prod:
    needs: [setup, approve-deployment-to-prod]
    uses: ./.github/workflows/sub_deploy_to_prod.yml
    with:
      IMAGE_TAG: ${{ needs.setup.outputs.image_tag }}
    secrets:
      KOSLI_API_TOKEN: ${{ secrets.KOSLI_API_TOKEN }}


  # The cyberdojo/versioner refresh-env.sh script
  # https://github.com/cyber-dojo/versioner/blob/master/sh/refresh-env.sh
  # relies on being able to:
  #   - get the :latest image
  #   - extract the SHA env-var embedded inside it
  #   - use the 1st 7 chars of the SHA as a latest-equivalent tag

  push-latest:
    needs: [setup, deploy-to-prod]
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: write
    steps:
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-region: ${{ needs.setup.outputs.aws_region }}
          role-duration-seconds: 900
          role-session-name: ${{ github.event.repository.name }}
          role-to-assume: arn:aws:iam::${{ needs.setup.outputs.aws_account_id }}:role/${{ needs.setup.outputs.gh_actions_iam_role_name }}
          mask-aws-account-id: 'no'

      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v2

      - uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PASS }}

      - name: Tag image to :latest and push to Dockerhub Registry
        env:
          IMAGE_NAME: ${{ needs.setup.outputs.image_name }}
          IMAGE_TAG: ${{ needs.setup.outputs.image_tag }}
        run: |
          docker pull "${IMAGE_NAME}"
          docker tag "${IMAGE_NAME}" cyberdojo/${{ env.SERVICE_NAME }}:${IMAGE_TAG}
          docker tag "${IMAGE_NAME}" cyberdojo/${{ env.SERVICE_NAME }}:latest
          docker push cyberdojo/${{ env.SERVICE_NAME }}:${IMAGE_TAG}
          docker push cyberdojo/${{ env.SERVICE_NAME }}:latest