lint-test.yaml

name: Lint and test charts - current

on: pull_request

jobs:
  yamllint:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
    - name: Install Helm
      run: |
        cd /tmp
        curl -fsSLo get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
        chmod 700 get_helm.sh
        ./get_helm.sh
    - name: Add dependency chart repos
      run: |
        helm repo add banzaicloud-stable https://kubernetes-charts.banzaicloud.com
        helm repo add lagoon https://uselagoon.github.io/lagoon-charts/
        helm repo add amazeeio https://amazeeio.github.io/charts/
        helm repo add nats https://nats-io.github.io/k8s/helm/charts/
        helm repo add kube-logging https://kube-logging.github.io/helm-charts
    - name: Generate helm templates
      run: |
        cd charts
        # hacky workaround for lagoon-test templated values
        tests=[foo,bar] envsubst '$tests' < lagoon-test/ci/linter-values.yaml.tpl > lagoon-test/ci/linter-values.yaml

        for chart in *; do
          helm dependency build $chart
          mkdir -p /tmp/charts/$chart
          helm template $chart $chart \
            --values $chart/ci/linter-values.yaml \
            --output-dir /tmp/charts/$chart
        done

        # workaround until logging-operator templates are fixed:
        # https://github.com/banzaicloud/logging-operator/pull/792
        rm -rf /tmp/charts/lagoon-logging/lagoon-logging/charts/logging-operator
        # workaround until nats templates are fixed
        rm -rf /tmp/charts/lagoon-remote/lagoon-remote/charts/nats
        rm -rf /tmp/charts/lagoon-core/lagoon-core/charts/nats
    - name: Install YAMLlint
      run: sudo apt-get -y install yamllint
    - name: Lint the templates
      run: |
        set -euo pipefail
        cat > .yamllint <<EOF
        extends: default
        rules:
          indentation:
            indent-sequences: consistent
          line-length: disable
        EOF
        yamllint -f parsable /tmp/charts | awk -F: '{print; system("sed \"" $2 "q;d\" " $1)}'

  # runs for all charts other than lagoon-test, which is excluded in
  # default.ct.yaml
  lint-test:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: "0"

    - name: Set up chart-testing dependencies
      run: sudo apt-get -y install python3-wheel

    - name: Set up chart-testing
      uses: helm/chart-testing-action@v2.4.0

    - name: Run chart-testing (list-changed)
      id: list-changed
      run: |
        changed=$(ct list-changed --config ./default.ct.yaml)
        if [[ "$changed" ]]; then
          echo "changed=true" >> $GITHUB_OUTPUT
          echo "$changed"
        fi

    - name: Run chart-testing (lint)
      run: ct lint --config ./default.ct.yaml

    - name: Create kind cluster
      uses: helm/kind-action@v1.8.0
      with:
        version: v0.20.0
        node_image: kindest/node:v1.27.3@sha256:3966ac761ae0136263ffdb6cfd4db23ef8a83cba8a463690e98317add2c9ba72
        kubectl_version: v1.27.3
      if: |
        (steps.list-changed.outputs.changed == 'true') ||
        (contains(github.event.pull_request.labels.*.name, 'needs-testing'))

    - name: Run chart-testing (install)
      run: ct install --config ./default.ct.yaml

  artifacthub-changelog:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: "0"

    - name: Install gojq
      run: |
        cd /tmp
        curl -sSLO https://github.com/itchyny/gojq/releases/download/v0.12.13/gojq_v0.12.13_linux_amd64.tar.gz
        tar -xf ./gojq_v0.12.13_linux_amd64.tar.gz
        sudo cp /tmp/gojq_v0.12.13_linux_amd64/gojq /usr/local/bin/gojq

    - name: Run artifacthub.io changelog check
      run: |
        for chartyaml in $(git diff --name-only origin/main | awk -F/ '/^charts\// { printf "%s/%s/%s\n",$1,$2,"Chart.yaml" }' | sort -u); do
          if diff <(gojq -r --yaml-input '.annotations."artifacthub.io/changes"' <(git show HEAD:$chartyaml)) <(gojq -r --yaml-input '.annotations."artifacthub.io/changes"' <(git show origin/main:$chartyaml)); then
            echo "$chartyaml artifacthub.io changelog needs an update!"
            exit 1
          fi
        done