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Helm 3 Github Action

Slim wrapper around helm3 Docker image

Example output showing this action in action

Options

This action supports the following options.

exec

The command to execute inside the Docker image.

  • Required: Yes
  • Type: string
  • Example: helm version

kubeconfig

The contents of the ~/.kube/config used by kubectl and helm to authenticate and communicate with your kubernetes cluster. Note: this can be empty if you want to use this action to do helm lints. The contents of this input will be appended to ~/.kube/config, and will always be removed afterwards.

  • Required: no
  • Type: string

Output

This action has only one output and that's the number output. This is the number you see in the HTML URL of the milestone and can be used to refer to in other actions when creating PR's as shown in the example below.

Examples

The following example is triggered on the tagging of a new release and update the helm charts appVersion to the tag title before calling helm to install the application in ./.helm/app/ to kubernetes:

name: Deploy
on:
  release:
    types: [created]
jobs:
  deployment:
    runs-on: 'ubuntu-latest'
    steps:
      - uses: actions/checkout@v1
      - name: Prep helm chart
        run: |
          mv ./.helm/app/Chart.yaml ./.helm/app/Chart.old.yaml &&
          cat ./.helm/app/Chart.old.yaml | grep -v appVersion > ./.helm/app/Chart.yaml &&
          echo -e "\r\nappVersion: v${GITHUB_REF##*/}\r\n" >> ./.helm/app/Chart.yaml &&
          cat ./.helm/app/Chart.yaml
      - name: Deploy
        uses: WyriHaximus/github-action-helm3@v1
        with:
          exec: helm upgrade APP_NAME ./.helm/app/ --install --wait --atomic --namespace=APP_NAMESPACE --set=app.name=APP_NAME --values=./.helm/app/values.yaml
          kubeconfig: '${{ secrets.KUBECONFIG }}'

The following example shows how you can use this action to lint your helm files in (for example) ./.helm/app/.

name: CI
on:
  push:
jobs:
  lint-helm:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - name: Lint Helm
        uses: WyriHaximus/github-action-helm3@v1
        with:
          exec: helm lint ./.helm/app/

License

Copyright 2020 Cees-Jan Kiewiet

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.