ci.yml

name: CI

on:
  push:
    branches:
      - main
      - develop
  pull_request:
    branches:
      - develop
  schedule:
    - cron: "0 2 * * 1-5"
  workflow_dispatch: {}

concurrency:
  group: "${{ github.ref }}-${{ github.workflow }}"
  cancel-in-progress: true

permissions:
  contents: read
  pull-requests: write

jobs:
  changes:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    outputs:
      apps: ${{ steps.filter.outputs.changes }}
    steps:
      - name: Check-out the repository
        uses: actions/checkout@v4
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          base: ${{ github.ref }}
          filters: |
            game-2048: src/game-2048/**/*.!(md)
            cow-demo: src/cow-demo/**/*.!(md)
            rancher-helloworld: src/rancher-helloworld/**/*.!(md)
  code-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source code
        uses: actions/checkout@v4
        with:
          # gets all history for all branches and tags (mandatory for chart-testing to work, see https://github.com/helm/chart-testing/issues/186)
          fetch-depth: 0
      - name: Lint Markdown files
        uses: DavidAnson/markdownlint-cli2-action@v16
        with:
          globs: '**/*.md'
      # uses https://github.com/koalaman/shellcheck
      - name: Install Shellcheck
        run: sudo apt install shellcheck
      - name: Check shell file code
        run:
          shellcheck -e SC2086 -e SC2034 -e SC2126 scripts/**/*.sh
      - name: Install Helm
        uses: azure/setup-helm@v4.2.0
        with:
          version: v3.14.0
      - name: Add dependency Helm chart repositories
        run: |
          helm repo add bitnami https://charts.bitnami.com/bitnami
          helm repo add nfs-ganesha-server-and-external-provisioner https://kubernetes-sigs.github.io/nfs-ganesha-server-and-external-provisioner/
          helm repo update
      - name: Install Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'
          check-latest: true
      - name: Install Helm chart-testing
        uses: helm/chart-testing-action@v2.6.1
      - name: List changed Helm charts
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi
      - name: Run chart-testing (lint)
        if: steps.list-changed.outputs.changed == 'true'
        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
  image-scan:
    needs: changes
    if: needs.changes.outputs.apps != '[]'
    strategy:
      matrix:
        app: ${{ fromJSON(needs.changes.outputs.apps) }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source code
        uses: actions/checkout@v4
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build container image from source
        run: |
          cd src/${{ matrix.app }}
          docker build . --tag $CONTAINER_REGITRY_DOMAIN/$IMAGE_FOLDER/${{ matrix.app }}:${{ env.IMAGE_TAG }}
      - name: Scan container image with NeuVector
        if: ${{ vars.USE_NEUVECTOR == 'true' }}
        uses: neuvector/scan-action@main
        with:
          image-repository: ${{ env.CONTAINER_REGITRY_DOMAIN }}/${{ env.IMAGE_FOLDER }}/${{ matrix.app }}
          image-tag: ${{ env.IMAGE_TAG }}
          min-high-cves-to-fail: "1"
          min-medium-cves-to-fail: "1"
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      CONTAINER_REGITRY_DOMAIN: docker.io
      IMAGE_FOLDER: ${{ vars.DOCKERHUB_NAMESPACE }}
      IMAGE_TAG: 1.0.${{ github.run_id }}