test-crd-chart
A test Helm chart demonstrating Custom Resource Definition (CRD) usage with cert-manager Certificates and Prometheus ServiceMonitors.
Prerequisites
Before installing this chart, ensure the following are installed in your cluster:
cert-manager (for Certificate resources)
kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.15.3/cert-manager.yamlUpdate this version intentionally when validating against a newer cert-manager release.
Prometheus Operator (for ServiceMonitor resources)
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts helm install prometheus prometheus-community/kube-prometheus-stackClusterIssuer named
letsencrypt-prodfor certificate issuance
Installation
helm install my-release ./test-crd-chartConfiguration
The following table lists the configurable parameters:
| Parameter | Description | Default |
|---|---|---|
certManager.enabled |
Enable cert-manager Certificate | true |
certManager.certificate.dnsNames |
DNS names for the certificate | ["example.com"] |
prometheus.enabled |
Enable Prometheus ServiceMonitor | true |
Values
certManager:
enabled: true
certificate:
dnsNames:
- example.com
prometheus:
enabled: trueResources Created
When installed with default values, this chart creates:
- Certificate (
cert-manager.io/v1) - TLS certificate managed by cert-manager - ServiceMonitor (
monitoring.coreos.com/v1) - Prometheus scrape configuration
Uninstallation
helm uninstall my-releaseTesting
Validate the chart before installation:
helm lint ./test-crd-chart
helm template test-release ./test-crd-chart