ci.yml

name: CI
on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:

jobs:

  formatting-check:
    name: Check code format
    runs-on: ubuntu-latest
    steps:
    -
      name: Checkout hermes repo
      uses: actions/checkout@v2
    -
      name: Run clang format
      run: |
          find . -regex '.*\.\(cpp\|hpp\|cc\|cxx\|h\|c\|hh\)' -exec clang-format -style=file -i {} \;
          git diff --exit-code

  compile-and-unit-tests:
    name: Compile and run unit tests
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/jgomezselles/hermes_base:0.0.3
      options: "--entrypoint sh"
    steps:
    -
      name: Checkout hermes repo
      uses: actions/checkout@v2
    - 
      name: Run cmake with debug and coverage flags
      run: cmake -B build -DCMAKE_BUILD_TYPE=Debug .
    - 
      name: Compile code and unit tests
      run: make -j -C build
    -
      name: Install and setup lcov base
      run: |
          dnf install -y lcov
          lcov -i --capture --directory "./build/src/" --output-file base-coverage.info --no-external --directory "./" --exclude "*/ut/*" --exclude "*/main*"
    -
      name: Run unit tests
      run: ./build/ut/unit-test
    -
      name: Capture and merge coverage info
      run: |
          lcov --capture --directory "./build/src/" --output-file test-coverage.info --no-external --directory "./" --exclude "*/ut/*" --exclude "*/main*"
          lcov -a base-coverage.info  -a test-coverage.info  -o total-coverage.info
    -
      name: Upload coverage to Coveralls
      uses: coverallsapp/github-action@master
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        path-to-lcov: total-coverage.info

  build-release-image:
    name: Build hermes release image and push it to artifacts
    runs-on: ubuntu-latest
    env:
      COMMIT_ID: ${{ github.sha }}
    steps:
      -
        name: Set commit id
        run: echo COMMIT_ID=${COMMIT_ID::7} >> $GITHUB_ENV
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./docker/Dockerfile
          tags: ghcr.io/jgomezselles/hermes:${{ env.COMMIT_ID }}
          outputs: type=docker,dest=/tmp/hermes-image-${{ env.COMMIT_ID }}.tar
      -
        name: Upload artifact
        uses: actions/upload-artifact@v2
        with:
          name: hermes-image-${{ env.COMMIT_ID }}
          path: /tmp/hermes-image-${{ env.COMMIT_ID }}.tar
          retention-days: 1

  build-server-mock-image:
    name: Build server-mock image and push it to artifacts
    runs-on: ubuntu-latest
    env:
      COMMIT_ID: ${{ github.sha }}
    steps:
      -
        name: Set commit id
        run: echo COMMIT_ID=${COMMIT_ID::7} >> $GITHUB_ENV
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./docker/server-mock/Dockerfile
          tags: ghcr.io/jgomezselles/server-mock:${{ env.COMMIT_ID }}
          outputs: type=docker,dest=/tmp/server-mock-image-${{ env.COMMIT_ID }}.tar
      -
        name: Upload artifact
        uses: actions/upload-artifact@v2
        with:
          name: server-mock-image-${{ env.COMMIT_ID }}
          path: /tmp/server-mock-image-${{ env.COMMIT_ID }}.tar
          retention-days: 1

  test-example-hermes:
    needs: [ build-release-image, build-server-mock-image]
    runs-on: ubuntu-latest
    env:
      COMMIT_ID: ${{ github.sha }}
    steps:
    -
      name: Checkout
      uses: actions/checkout@v2
    -
      name: Trim commit id
      run: echo COMMIT_ID=${COMMIT_ID::7} >> $GITHUB_ENV
    -
      name: Install KinD
      uses: helm/kind-action@2a525709fd0874b75d7ae842d257981b0e0f557d
      with:
        cluster_name: "kind"
        kubectl_version: "v1.22.1"
    -
      name: Download server-mock
      uses: actions/download-artifact@v2
      with:
        name: server-mock-image-${{ env.COMMIT_ID }}
        path: /tmp
    -
      name: Download hermes image
      uses: actions/download-artifact@v2
      with:
        name: hermes-image-${{ env.COMMIT_ID }}
        path: /tmp
    -
      name: Load images to KinD
      run: |
        kind load image-archive /tmp/server-mock-image-${{ env.COMMIT_ID }}.tar ghcr.io/jgomezselles/server-mock:${{ env.COMMIT_ID }} --name kind
        kind load image-archive /tmp/hermes-image-${{ env.COMMIT_ID }}.tar ghcr.io/jgomezselles/hermes:${{ env.COMMIT_ID }} --name kind
    -
      name: Check previous steps
      run: |
        docker exec kind-control-plane crictl images
        kubectl get pods -A
        kubectl version
    -
      name: Lint hermes helmchart
      run: |
        helm lint helm/hermes
    -
      name: Update example-hermes dependencies
      run: |
        helm dep update helm/example-hermes
    -
      name: Lint example-hermes helmchart
      run: |
        helm lint helm/example-hermes
    -
      name: Template example-hermes
      run: |
        helm template helm/example-hermes/  --set serverMock.image.tag=${{ env.COMMIT_ID }} --set hermes.image.tag=${{ env.COMMIT_ID }} --set hermes.image.pullPolicy=Never
    -
      name: Install example-hermes
      run: |
        helm install hermes-example-${{ env.COMMIT_ID }} helm/example-hermes/  --set serverMock.image.tag=${{ env.COMMIT_ID }} --set hermes.image.tag=${{ env.COMMIT_ID }} --set hermes.image.pullPolicy=Never --wait --timeout=30s
    -
      name: Check pods
      run: |
        kubectl describe pods
    -
      name: Run helm tests
      run: |
        helm test hermes-example-${{ env.COMMIT_ID }}
    -
      name: Run hermes
      run: |
        HERMES_POD=$(kubectl get pod -l app.kubernetes.io/name=hermes -o jsonpath="{.items[0].metadata.name}")
        kubectl exec $HERMES_POD -- hermes -p1 -t10 -r1000