feat: allow common.metadata to be extended

templates/_configmap.yaml

@@ -3,7 +3,8 @@
 {{- define "common.configMap.tpl" -}}
 apiVersion: v1
 kind: ConfigMap
-{{ include "common.metadata" . }}
+metadata:
+  {{ include "common.metadata" . | nindent 2 }}
 data: {}
 {{- end -}}
 

templates/_deployment.yaml

@@ -4,7 +4,8 @@
 {{- $autoscaling := .Values.autoscaling | default (dict) -}}
 apiVersion: apps/v1
 kind: Deployment
-{{ include "common.metadata" . }}
+metadata:
+  {{ include "common.metadata" . | nindent 2 }}
 spec:
   {{- if not $autoscaling.enabled }}
   replicas: {{ .Values.replicaCount | default 1 }}

templates/_hpa.yaml

@@ -3,7 +3,8 @@
 {{- define "common.hpa.tpl" -}}
 apiVersion: autoscaling/v2beta2
 kind: HorizontalPodAutoscaler
-{{ include "common.metadata" . }}
+metadata:
+  {{ include "common.metadata" . | nindent 2 }}
 spec:
   scaleTargetRef:
     apiVersion: apps/v1

templates/_ingress.yaml

@@ -1,5 +1,12 @@
 {{/* vim: set filetype=mustache: */}}
 
+{{- define "common.ingress.metadata" -}}
+{{- with .Values.ingress.annotations }}
+annotations:
+  {{- toYaml . | nindent 2 }}
+{{- end }}
+{{- end -}}
+
 {{- define "common.ingress.tpl" -}}
 {{- $fullName := include "common.fullname" . -}}
 {{- $svcPort := .Values.service.port -}}
@@ -9,11 +16,8 @@ apiVersion: networking.k8s.io/v1beta1
 apiVersion: extensions/v1beta1
 {{- end }}
 kind: Ingress
-{{ include "common.metadata" . }}
-  {{- with .Values.ingress.annotations }}
-  annotations:
-    {{- toYaml . | nindent 4 }}
-  {{- end }}
+metadata:
+  {{ include "common.metadata" (list . "common.ingress.metadata") | nindent 2 }}
 spec:
 {{- if .Values.ingress.tls }}
   tls:

templates/_metadata.tpl

@@ -20,12 +20,15 @@ app.kubernetes.io/name: {{ include "common.name" . }}
 app.kubernetes.io/instance: {{ .Release.Name }}
 {{- end -}}
 
+{{ define "common.metadata.tpl" -}}
+name: {{ include "common.fullname" . }}
+labels:
+  {{- include "common.labels" . | nindent 2 -}}
+{{- end -}}
+
 {{- /*
 Create a standard metadata header
 */ -}}
 {{ define "common.metadata" -}}
-metadata:
-  name: {{ include "common.fullname" . }}
-  labels:
-    {{- include "common.labels" . | nindent 4 -}}
+{{- include "common.utils.flattenCall" (list "common.utils.merge" . "common.metadata.tpl") -}}
 {{- end -}}

templates/_pdb.yaml

@@ -3,7 +3,8 @@
 {{- define "common.pdb.tpl" -}}
 apiVersion: policy/v1beta1
 kind: PodDisruptionBudget
-{{ include "common.metadata" . }}
+metadata:
+  {{ include "common.metadata" . | nindent 2 }}
 spec:
   selector:
     matchLabels:

templates/_secret.yaml

@@ -3,7 +3,8 @@
 {{- define "common.secret.tpl" -}}
 apiVersion: v1
 kind: Secret
-{{ include "common.metadata" . }}
+metadata:
+  {{ include "common.metadata" . | nindent 2 }}
 type: Opaque
 data: {}
 {{- end -}}

templates/_service.yaml

@@ -3,7 +3,8 @@
 {{- define "common.service.tpl" -}}
 apiVersion: v1
 kind: Service
-{{ include "common.metadata" . }}
+metadata:
+  {{ include "common.metadata" . | nindent 2 }}
 spec:
   type: {{ .Values.service.type }}
   ports:

templates/_serviceaccount.yaml

@@ -1,16 +1,18 @@
 {{/* vim: set filetype=mustache: */}}
 
+{{- define "common.serviceAccount.metadata" -}}
+name: {{ include "common.serviceAccountName" . }}
+{{- with .Values.serviceAccount.annotations }}
+annotations:
+  {{- toYaml . | nindent 2 }}
+{{- end }}
+{{- end -}}
+
 {{- define "common.serviceAccount.tpl" -}}
 apiVersion: v1
 kind: ServiceAccount
 metadata:
-  name: {{ include "common.serviceAccountName" . }}
-  labels:
-    {{- include "common.labels" . | nindent 4 }}
-  {{- with .Values.serviceAccount.annotations }}
-  annotations:
-    {{- toYaml . | nindent 4 }}
-  {{- end }}
+  {{ include "common.metadata" (list . "common.serviceAccount.metadata") | nindent 2 }}
 {{- end -}}
 
 {{- define "common.serviceAccount.if" -}}