feat: add full kube-prometheus-stack helm chart manifests and templates

manifest/kube-prometheus-stack/charts/prometheus-node-exporter/templates/NOTES.txt

@@ -0,0 +1,29 @@
+1. Get the application URL by running these commands:
+{{- if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ template "prometheus-node-exporter.namespace" . }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "prometheus-node-exporter.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ template "prometheus-node-exporter.namespace" . }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get svc -w {{ template "prometheus-node-exporter.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ template "prometheus-node-exporter.namespace" . }} {{ template "prometheus-node-exporter.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ template "prometheus-node-exporter.namespace" . }} -l "app.kubernetes.io/name={{ template "prometheus-node-exporter.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:9100 to use your application"
+  kubectl port-forward --namespace {{ template "prometheus-node-exporter.namespace" . }} $POD_NAME 9100
+{{- end }}
+
+{{- if .Values.kubeRBACProxy.enabled}}
+
+kube-rbac-proxy endpoint protections is enabled:
+- Metrics endpoints is now HTTPS
+- Ensure that the client authenticates the requests (e.g. via service account) with the following role permissions:
+```
+rules:
+  - apiGroups: [ "" ]
+    resources: ["services/{{ template "prometheus-node-exporter.fullname" . }}"]
+    verbs:
+      - get
+```
+{{- end }}