name: Lint and Test Charts

on: pull_request

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Fetch history
        run: git fetch --prune --unshallow

      - name: Run chart-testing (lint)
        id: lint
        uses: helm/chart-testing-action@v1.0.0-rc.1
        with:
          image: quay.io/helmpack/chart-testing:v3.0.0-rc.1
          command: lint

      - name: Create kind cluster
        uses: helm/kind-action@v1.0.0-rc.1
        with:
          version: "v0.8.1"
        # Only build a kind cluster if there are chart changes to test.
        if: steps.lint.outputs.changed == 'true'

      - name: Install MetalLB to allow LoadBalancer services
        run: |
          kubectl create ns metallb-system
          kubectl apply -f https://raw.githubusercontent.com/google/metallb/v0.9.3/manifests/metallb.yaml
          cat <<EOF | kubectl apply -f -
          apiVersion: v1
          kind: ConfigMap
          metadata:
            name: config
            namespace: metallb-system
          data:
            config: |
              address-pools:
              - name: default
                protocol: layer2
                addresses:
                - 172.17.255.1-172.17.255.200
          EOF

        if: steps.lint.outputs.changed == 'true'

      - name: Run chart-testing (install)
        uses: helm/chart-testing-action@v1.0.0-rc.1
        with:
          image: quay.io/helmpack/chart-testing:v3.0.0-rc.1
          command: install