helm-chart-lint.yml

---
#
#  Copyright (c) 2023,2024 T-Systems International GmbH 
#  Copyright (c) 2023 SAP SE 
#  Copyright (c) 2022,2024 Contributors to the Eclipse Foundation
#
#  See the NOTICE file(s) distributed with this work for additional
#  information regarding copyright ownership.
#
#  This program and the accompanying materials are made available under the
#  terms of the Apache License, Version 2.0 which is available at
#  https://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#  License for the specific language governing permissions and limitations
#  under the License.
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#  SPDX-License-Identifier: Apache-2.0
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name: Lint and Test Charts

# Run chart linting and tests on each pull request
on:
  # Runs automatically on pushes and PRs into main and release branches, if changes to the chart have been performed
  push:
    branches:
      - main
      - 'release/*'
    paths:
      - .github/workflows/**
      - charts/**
  pull_request:
    branches:
      - main
      - 'release/*'
    paths:
      - .github/workflows/**
      - charts/**
  # Can be triggered to investigate upgrades
  workflow_dispatch:
    inputs:
      node_image:
        description: 'kindest/node image for k8s kind cluster'
        # k8s version from 3.3 release as default
        default: 'kindest/node:v1.27.3'
        required: false
        type: string
      upgrade_from:
        description: 'chart version to upgrade from'
        default: 'x.x.x'
        required: false
        type: string

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      # get the code
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          fetch-depth: 0

      # Set-Up Helm
      - name: Set up Helm
        uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # v3.5
        with:
          version: v3.10.3

      # Set-Up Java
      - name: Setup JDK 17
        uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'maven'

      # Set-Up Python
      - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
        with:
          python-version: 3.9

      # Set-Up CT
      - name: Set up chart-testing
        uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1

      - name: Run chart-testing (lint)
        run: ct lint --target-branch ${{ github.base_ref || github.ref_name }} --config charts/config/chart-testing-config.yaml

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch ${{ github.base_ref || github.ref_name }})
          if [[ -n "$changed" ]]; then
            echo "CHART_CHANGED=true" >> $GITHUB_ENV
          fi

      # Preparing a kind cluster to install and test charts on
      - name: Create kind cluster
        uses: container-tools/kind-action@0ad70e2299366b0e1552c7240f4e4567148f723e # v2.0.4
        with:
          # upgrade version, default (v0.17.0) uses node image v1.21.1 and doesn't work with more recent node image versions
          version: v0.20.0
          # default value for event_name != workflow_dispatch
          node_image: ${{ github.event.inputs.node_image || 'kindest/node:v1.27.3' }}
        if: github.event_name != 'pull_request' || env.CHART_CHANGED == 'true'

      - name: Build Java/Docker via Maven
        run: |
          ./mvnw -s settings.xml deploy -Drepo=kind-registry:5000/tractusx/ -Dmaven.deploy.skip -DskipTests -Pwith-docker-image
        if: github.event_name != 'pull_request' || env.CHART_CHANGED == 'true'
        env:
          GITHUB_ACTOR: ${{ github.actor }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      # install the chart to the kind cluster and run helm test
      # define charts to test with the --charts parameter
      - name: Run chart-testing (install)
        run: ct install --charts charts/aas-bridge --config charts/config/chart-testing-config.yaml --helm-extra-set-args="--set=image.registry=kind-registry:5000/"
        if: github.event_name != 'pull_request' || env.CHART_CHANGED == 'true'

      # Upgrade the released chart version with the locally available chart
      # default value for event_name != workflow_dispatch
      - name: Run helm upgrade on aas bridge
        run: |
          helm repo add tractusx-dev https://eclipse-tractusx.github.io/charts/dev
          helm install conforming tractusx-dev/aas-bridge --version ${{ github.event.inputs.upgrade_from }} --set=image.registry=kind-registry:5000/
          helm dependency update charts/aas-bridge
          helm upgrade conforming charts/aas-bridge
        if: (github.event_name != 'pull_request' || env.CHART_CHANGED == 'true') && github.event.inputs.upgrade_from != '' && github.event.inputs.upgrade_from != 'x.x.x'