kubepack/module

Helm Chart Module

module

Run Controller

make manifests fmt
kubectl apply -f config/crd/bases/pkg.x-helm.dev_modules.yaml
kubectl apply -f config/crd/bases/pkg.x-helm.dev_moduleexecstatuses.yaml

make run

kubectl create ns demo
kubectl apply -f cmd/myflow.yaml

helm repo add module-testdata https://raw.githubusercontent.com/kubepack/module-testdata/master/stable/
helm repo update

--set values

• https://github.com/helm/helm/blob/main/pkg/cli/values/options.go#L60-L72
• https://github.com/helm/helm/blob/main/pkg/strvals/parser.go#L415-L446

Render Templates

• https://github.com/helm/helm/blob/43853ea772e779b617b011a8d4e69205636fa4f9/pkg/engine/engine.go#L190-L261

Zero Template Chart

• Must always use Install action
• Can't use Install or Upgrade to remove any YAMLs

** ToDos **

• Auto Register Application CRD

Multi-chart

• ownership checks for resources

  metadata:
    annotations:
      meta.helm.sh/release-name: first
      meta.helm.sh/release-namespace: default
    labels:
      app.kubernetes.io/managed-by: Helm

• storage driver ownership

	// apply labels
	lbs.set("name", rls.Name)
	lbs.set("owner", "helm")
	lbs.set("status", rls.Info.Status.String())
	lbs.set("version", strconv.Itoa(rls.Version))

** Chart Annotations **

• https://artifacthub.io/docs/topics/annotations/helm/
• https://github.com/helm/helm/blob/v3.5.4/pkg/chart/metadata.go#L71-L73

	// Annotations are additional mappings uninterpreted by Helm,
	// made available for inspection by other applications.
	Annotations map[string]string `json:"annotations,omitempty"`

• app.kubernetes.io/part-of
• meta.x-helm.dev/editor: {gvr}
• meta.x-helm.dev/resources: |
  • { GK }
  • { GK }