Merge pull request #2584 from unguiculus/helm-create

Improve 'helm create'

pkg/chartutil/create.go

@@ -74,14 +74,17 @@ ingress:
     # - secretName: chart-example-tls
     #   hosts:
     #     - chart-example.local
-resources:
-  limits:
-    cpu: 100m
-    memory: 128Mi
-  requests:
-    cpu: 100m
-    memory: 128Mi
-
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious 
+  # choice for the user. This also increases chances charts run on environments with little 
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following 
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #  cpu: 100m
+  #  memory: 128Mi
+  #requests:
+  #  cpu: 100m
+  #  memory: 128Mi
 `
 
 const defaultIgnore = `# Patterns to ignore when building packages.
@@ -115,10 +118,10 @@ kind: Ingress
 metadata:
   name: {{ template "fullname" . }}
   labels:
-    app: {{ template "fullname" . }}
-    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
-    release: "{{ .Release.Name }}"
-    heritage: "{{ .Release.Service }}"
+    app: {{ template "name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
   annotations:
     {{- range $key, $value := .Values.ingress.annotations }}
       {{ $key }}: {{ $value | quote }}
@@ -146,13 +149,17 @@ kind: Deployment
 metadata:
   name: {{ template "fullname" . }}
   labels:
-    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+    app: {{ template "name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
 spec:
   replicas: {{ .Values.replicaCount }}
   template:
     metadata:
       labels:
-        app: {{ template "fullname" . }}
+        app: {{ template "name" . }}
+        release: {{ .Release.Name }}
     spec:
       containers:
         - name: {{ .Chart.Name }}
@@ -169,7 +176,11 @@ spec:
               path: /
               port: {{ .Values.service.internalPort }}
           resources:
-{{ toYaml .Values.resources | indent 10 }}
+{{ toYaml .Values.resources | indent 12 }}
+    {{- if .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 8 }}
+    {{- end }}
 `
 
 const defaultService = `apiVersion: v1
@@ -177,7 +188,10 @@ kind: Service
 metadata:
   name: {{ template "fullname" . }}
   labels:
-    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+    app: {{ template "name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
 spec:
   type: {{ .Values.service.type }}
   ports:
@@ -186,7 +200,8 @@ spec:
       protocol: TCP
       name: {{ .Values.service.name }}
   selector:
-    app: {{ template "fullname" . }}
+    app: {{ template "name" . }}
+    release: {{ .Release.Name }}
 `
 
 const defaultNotes = `1. Get the application URL by running these commands:
@@ -202,7 +217,7 @@ const defaultNotes = `1. Get the application URL by running these commands:
   export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
   echo http://$SERVICE_IP:{{ .Values.service.externalPort }}
 {{- else if contains "ClusterIP" .Values.service.type }}
-  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "fullname" . }}" -o jsonpath="{.items[0].metadata.name}")
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "name" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
   echo "Visit http://127.0.0.1:8080 to use your application"
   kubectl port-forward $POD_NAME 8080:{{ .Values.service.externalPort }}
 {{- end }}