put labels in _helper.tpl

Author: Revolyssup

charts/templates/_helpers.tpl

@@ -0,0 +1,36 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "api7-ingress-controller-manager.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "api7-ingress-controller-manager.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{/*
+Common labels
+*/}}
+{{- define "api7-ingress-controller-manager.labels" -}}
+helm.sh/chart: {{ include "api7-ingress-controller-manager.chart" . }}
+{{ include "api7-ingress-controller-manager.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "api7-ingress-controller-manager.selectorLabels" -}}
+{{- if .Values.labelsOverride }}
+{{- tpl (.Values.labelsOverride | toYaml) . }}
+{{- else }}
+app.kubernetes.io/name: {{ include "api7-ingress-controller-manager.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+{{- end }}

charts/templates/cluster_role_binding.yaml

@@ -2,7 +2,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
   labels:
-    app.kubernetes.io/name: api7-ingress
+    {{- include "api7-ingress-controller-manager.labels" . | nindent 4 }}
   name: {{ .Release.Name }}-{{ .Release.Name }}-api7-ingress-manager-rolebinding
 roleRef:
   apiGroup: rbac.authorization.k8s.io

charts/templates/deployment.yaml

@@ -2,21 +2,20 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
-    app.kubernetes.io/name: api7-ingress
-    control-plane: controller-manager
+    {{- include "api7-ingress-controller-manager.labels" . | nindent 4 }}
   name: {{ .Release.Name }}
   namespace: {{ .Release.Namespace }}
 spec:
   replicas: {{ .Values.replicas }}
   selector:
     matchLabels:
-      control-plane: controller-manager
+      {{- include "api7-ingress-controller-manager.selectorLabels" . | nindent 6 }}
   template:
     metadata:
       annotations:
         kubectl.kubernetes.io/default-container: manager
       labels:
-        control-plane: controller-manager
+        {{- include "api7-ingress-controller-manager.selectorLabels" . | nindent 8 }}
     spec:
       containers:
       - image: "api7/api7-ingress-controller:{{ .Values.imageTag }}"

charts/templates/role.yaml

@@ -2,7 +2,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
   labels:
-    app.kubernetes.io/name: api7-ingress
+    {{- include "api7-ingress-controller-manager.labels" . | nindent 4 }}
   name: api7-ingress-leader-election-role
   namespace: {{ .Release.Namespace }}
 rules:

charts/templates/role_binding.yaml

@@ -2,7 +2,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
   labels:
-    app.kubernetes.io/name: api7-ingress
+    {{- include "api7-ingress-controller-manager.labels" . | nindent 4 }}
   name: api7-ingress-leader-election-rolebinding
   namespace: {{ .Release.Namespace }}
 roleRef:

charts/templates/service-account.yaml

@@ -2,6 +2,6 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   labels:
-    app.kubernetes.io/name: api7-ingress
+    {{- include "api7-ingress-controller-manager.labels" . | nindent 4 }}
   name: {{ .Release.Name }}
   namespace: {{ .Release.Namespace }}

charts/templates/service.yaml

@@ -2,8 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   labels:
-    app.kubernetes.io/name: api7-ingress
-    control-plane: controller-manager
+    {{- include "api7-ingress-controller-manager.labels" . | nindent 4 }}
   name: {{ .Release.Name }}-metrics-service
   namespace: {{ .Release.Namespace }}
 spec:
@@ -13,4 +12,4 @@ spec:
     protocol: TCP
     targetPort: 8443
   selector:
-    control-plane: controller-manager
+   {{- include "api7-ingress-controller-manager.selectorLabels" . | nindent 4 }}