External Helm Charts

Usage with Helm

1. Add the repo to helm repo list:

helm repo add opengov-external 'https://opengov.github.io/helm-charts-external/'

1. Check if repo exists in helm repo list:

helm repo update
helm repo list

1. Use a chart

helm install opengov-external/$CHART $RELEASE_NAME --values $VALUES

Usage with Kustomize

In your kustomize.yaml:

---
helmCharts:
- name: chart-name
  repo: https://opengov.github.io/helm-charts-external
  version: vX.Y.Z
  releaseName: chart-name
  namespace: chart-namespace
  valuesFile: values.yaml
  valuesInline:
    image: "imagename:tag"

Updating the Charts

1. Fetch the chart version you want to update to

cd charts/
helm fetch repo/chart --version X.Y.Z

1. Extract the chart

tar xjf chart-X.Y.Z.tgz

1. Commit changes and open a PR

git checkout -B ticket-123-update-chart
git add chart/
git commit
git push ticket-123-update-chart
gh pr create # or open in the GH UI

Releasing the charts

1. The GitHub Actions Workflow .github/workflows/release_charts.yml will handle it on merge to master

References

1. https://blog.softwaremill.com/hosting-helm-private-repository-from-github-ff3fa940d0b7
2. https://medium.com/hackernoon/using-a-private-github-repo-as-helm-chart-repo-https-access-95629b2af27c
3. https://medium.com/@mattiaperi/create-a-public-helm-chart-repository-with-github-pages-49b180dbb417