Reduce some repetition in the "hello" example helm charts.

examples/hello/charts/templates/deployment.yaml

@@ -5,12 +5,7 @@ metadata:
   labels:
     app.kubernetes.io/name: {{ $name }}
     app.kubernetes.io/component: ingressBackend
-    helm.sh/chart: {{ printf "%s-%s" $.Chart.Name $.Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
-    {{- if $.Chart.AppVersion }}
-    app.kubernetes.io/version: {{ $.Chart.AppVersion | quote }}
-    {{- end }}
-    app.kubernetes.io/managed-by: {{ $.Release.Service }}
-    app.kubernetes.io/instance: {{ $.Release.Name }}
+    {{- include "viking-ingress.labels" $ | nindent 4 }}
   name: {{ $name }}
 spec:
   replicas: {{ default "1" $app.replicas }}
@@ -23,12 +18,7 @@ spec:
       labels:
         app.kubernetes.io/name: {{ $name }}
         app.kubernetes.io/component: ingressBackend
-        helm.sh/chart: {{ printf "%s-%s" $.Chart.Name $.Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
-        {{- if $.Chart.AppVersion }}
-        app.kubernetes.io/version: {{ $.Chart.AppVersion | quote }}
-        {{- end }}
-        app.kubernetes.io/managed-by: {{ $.Release.Service }}
-        app.kubernetes.io/instance: {{ $.Release.Name }}
+        {{- include "viking-ingress.labels" $ | nindent 8 }}
     spec:
       containers:
       - name: {{ $name }}

examples/hello/charts/templates/service.yaml

@@ -5,12 +5,7 @@ metadata:
   labels:
     app.kubernetes.io/name: {{ $name }}-svc
     app.kubernetes.io/component: ingressBackend
-    helm.sh/chart: {{ printf "%s-%s" $.Chart.Name $.Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
-    {{- if $.Chart.AppVersion }}
-    app.kubernetes.io/version: {{ $.Chart.AppVersion | quote }}
-    {{- end }}
-    app.kubernetes.io/managed-by: {{ $.Release.Service }}
-    app.kubernetes.io/instance: {{ $.Release.Name }}
+    {{- include "viking-ingress.labels" $ | nindent 4 }}
   name: {{ $name }}-svc
 spec:
   ports: