build.yml

name: Build
on:
  pull_request:
    branches: [master]
    types: [opened, synchronize, reopened]

jobs:
  pre-checks:
    runs-on: ubuntu-latest
    steps:
      # Install golang
      - uses: actions/setup-go@v2
        with:
          go-version: 1.20.0

      # Checkout to the latest commit
      # On specific directory/path
      - name: Checkout
        uses: actions/checkout@v2

      - 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 .
           exit 1
          fi

      - name: golangci-lint
        uses: reviewdog/action-golangci-lint@v1

      - name: unused-package check
        run: |
          make unused-package-check
          
  trivy:
    needs: pre-checks
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Build an image from Dockerfile
        run: |
          docker build -f Dockerfile -t docker.io/litmuschaos/chaos-exporter:${{ github.sha }} . --build-arg TARGETPLATFORM=linux/amd64
      
      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: 'docker.io/litmuschaos/chaos-exporter:${{ github.sha }}'
          format: 'table'
          exit-code: '1'
          ignore-unfixed: true
          vuln-type: 'os,library'
          severity: 'CRITICAL,HIGH'                          

  image-build:
    runs-on: ubuntu-latest
    needs: pre-checks
    steps:
      # Checkout to the latest commit
      # On specific directory/path
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: latest

      - name: Build Docker Image
        env:
          DOCKER_REPO: litmuschaos
          DOCKER_IMAGE: chaos-exporter
          DOCKER_TAG: ci
        run: |
          make build

  tests:
    runs-on: ubuntu-latest
    needs: pre-checks
    steps:
      # Install golang
      - uses: actions/setup-go@v2
        with:
          go-version: 1.20.0

      # Checkout to the latest commit
      # On specific directory/path
      - name: Checkout
        uses: actions/checkout@v2
     
      #Install and configure a k3S cluster
      - name: Installing Prerequisites (K3S Cluster)
        env: 
          KUBECONFIG: /etc/rancher/k3s/k3s.yaml
        run: |
          curl -sfL https://get.k3s.io | INSTALL_K3S_VERSION=v1.21.11+k3s1 sh -s - --docker --write-kubeconfig-mode 664
          kubectl wait node --all --for condition=ready --timeout=90s
          mkdir -p $HOME/.kube
          cp /etc/rancher/k3s/k3s.yaml $HOME/.kube/config
          kubectl get nodes
          
      - name: Dependency checks
        run: |
          make deps

      - name: Running Go BDD Test
        run: |
          go mod tidy
          make test

  security-scan:
    runs-on: ubuntu-latest
    needs: pre-checks
    steps:
      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: 'docker.io/litmuschaos/chaos-exporter:ci'
          format: 'table'
          exit-code: '0'
          ignore-unfixed: true
          vuln-type: 'os,library'
          severity: 'CRITICAL,HIGH'