name: Lint and Test Charts

on: 
  push:
    paths:
      - 'charts/**' 
      - '.github/**'
  pull_request:
    branches:
      - master
  workflow_dispatch:

env:
  KUBE_SCORE_VERSION: 1.10.0
  HELM_VERSION: v3.4.1

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1
          
      - name: Set up Helm
        uses: azure/setup-helm@v1
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Set up kube-score
        run: |
          wget https://github.com/zegl/kube-score/releases/download/v${{ env.KUBE_SCORE_VERSION }}/kube-score_${{ env.KUBE_SCORE_VERSION }}_linux_amd64 -O kube-score
          chmod 755 kube-score

      - name: Kube-score generated manifests
        run: helm template charts/* | ./kube-score score -
              --ignore-test pod-networkpolicy
              --ignore-test deployment-has-poddisruptionbudget
              --ignore-test deployment-has-host-podantiaffinity
              --ignore-test container-security-context
              --ignore-test container-resources
              --ignore-test pod-probes
              --ignore-test container-image-tag
              --enable-optional-test container-security-context-privileged

      # python is a requirement for the chart-testing action below (supports yamllint among other tests)
      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.0.1

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

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

      # Refer to https://github.com/kubernetes-sigs/kind/releases when updating the node_images
      - name: Create 1.28 kind cluster
        uses: helm/kind-action@v1.4.0
        with:
          node_image: kindest/node:v1.28.13@sha256:45d319897776e11167e4698f6b14938eb4d52eb381d9e3d7a9086c16c69a8110
          cluster_name: kubernetes-1.28
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install) against 1.28
        run: ct install --config .ci/ct-config.yaml

      - name: Create 1.29 kind cluster
        uses: helm/kind-action@v1.4.0
        with:
          node_image: kindest/node:v1.29.8@sha256:d46b7aa29567e93b27f7531d258c372e829d7224b25e3fc6ffdefed12476d3aa
          cluster_name: kubernetes-1.29
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install) against 1.29
        run: ct install --config .ci/ct-config.yaml

      - name: Create 1.30 kind cluster
        uses: helm/kind-action@v1.4.0
        with:
          node_image: kindest/node:v1.30.4@sha256:976ea815844d5fa93be213437e3ff5754cd599b040946b5cca43ca45c2047114
          cluster_name: kubernetes-1.30
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install) against 1.30
        run: ct install --config .ci/ct-config.yaml

      - name: Create 1.31 kind cluster
        uses: helm/kind-action@v1.4.0
        with:
          node_image: kindest/node:v1.31.0@sha256:53df588e04085fd41ae12de0c3fe4c72f7013bba32a20e7325357a1ac94ba865
          cluster_name: kubernetes-1.31
        if: steps.list-changed.outputs.changed == 'true'

      - name: Run chart-testing (install) against 1.31
        run: ct install --config .ci/ct-config.yaml