[COMMON] Add missing labels for etcd, mongo, postgres

Add labels for DB deployments to be compliant with Istio
and kiali requirements

Issue-ID: OOM-3230

Change-Id: I937d9f326dae8e2c2496eace2e919aa0b8eb0171
Signed-off-by: Andreas Geissler <andreas-geissler@telekom.de>

2 files changed, 10 insertions, 21 deletions

diff --git a/kubernetes/common/mongo/templates/service.yaml b/kubernetes/common/mongo/templates/service.yaml
index e8894c2b59..2be00a32e4 100644
--- a/kubernetes/common/mongo/templates/service.yaml
+++ b/kubernetes/common/mongo/templates/service.yaml
@@ -29,8 +29,8 @@ spec:
     - port: {{ .Values.service.internalPort }}
       name: {{ .Values.service.portName }}
   selector:
-    app: {{ include "common.name" . }}
-    release: {{ include "common.release" . }}
+    app.kubernetes.io/name: {{ include "common.name" . }}
+    app.kubernetes.io/instance: {{ include "common.release" . }}
   clusterIP: None
 ---
 # Client service for connecting to any Mongo instance for reads.
@@ -46,8 +46,8 @@ spec:
     - port: {{ .Values.service.internalPort }}
       name: {{ .Values.service.portName }}
   selector:
-    app: {{ include "common.name" . }}
-    release: {{ include "common.release" . }}
+    app.kubernetes.io/name: {{ include "common.name" . }}
+    app.kubernetes.io/instance: {{ include "common.release" . }}
 ---
 {{ if .Values.geoEnabled }}
 apiVersion: v1
@@ -70,5 +70,5 @@ spec:
   type: NodePort
   selector:
     statefulset.kubernetes.io/pod-name: {{ include "common.fullname" . }}-0
-    release: {{ include "common.release" . }}
+    app.kubernetes.io/instance: {{ include "common.release" . }}
 {{ end }}
diff --git a/kubernetes/common/mongo/templates/statefulset.yaml b/kubernetes/common/mongo/templates/statefulset.yaml
index e156db27db..fc06663029 100644
--- a/kubernetes/common/mongo/templates/statefulset.yaml
+++ b/kubernetes/common/mongo/templates/statefulset.yaml
@@ -16,25 +16,13 @@
 
 apiVersion: apps/v1
 kind: StatefulSet
-metadata:
-  name: {{ include "common.fullname" . }}
-  namespace: {{ include "common.namespace" . }}
-  labels:
-    app: {{ include "common.name" . }}
-    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
-    release: {{ include "common.release" . }}
-    heritage: {{ .Release.Service }}
+metadata: {{- include "common.resourceMetadata" . | nindent 2 }}
 spec:
-  serviceName: {{ .Values.service.name }}
+  selector: {{- include "common.selectors" . | nindent 4 }}
+  serviceName: {{ include "common.servicename" . }}
   replicas: {{ .Values.replicaCount }}
-  selector:
-    matchLabels:
-      app: {{ include "common.name" . }}
   template:
-    metadata:
-      labels:
-        app: {{ include "common.name" . }}
-        release: {{ include "common.release" . }}
+    metadata: {{- include "common.templateMetadata" . | nindent 6 }}
     spec:
 {{ include "common.podSecurityContext" . | indent 6 }}
       imagePullSecrets:
@@ -69,6 +57,7 @@ spec:
               value: "{{ .Values.config.dbName }}"
           ports:
           - containerPort: {{ .Values.service.internalPort }}
+            name: {{ .Values.service.portName }}
           # disable liveness probe when breakpoints set in debugger
           # so K8s doesn't restart unresponsive container
           {{- if eq .Values.liveness.enabled true }}