[heml] complete redesign of labels (#4788)

k8s/charts/seaweedfs/templates/filer-servicemonitor.yaml

@@ -6,8 +6,11 @@ metadata:
   name: {{ template "seaweedfs.name" . }}-filer
   namespace: {{ .Release.Namespace }}
   labels:
-    app: {{ template "seaweedfs.name" . }}
-    component: filer
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/component: filer
 spec:
   endpoints:
     - interval: 30s
@@ -15,7 +18,7 @@ spec:
       scrapeTimeout: 5s
   selector:
     matchLabels:
-      app: {{ template "seaweedfs.name" . }}
-      component: filer
+      app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+      app.kubernetes.io/component: filer
 {{- end }}
 {{- end }}