set hdfs-namenode headless service

Author: cgiraldo

charts/hdfs/Chart.yaml

@@ -11,4 +11,4 @@ maintainers:
 name: hdfs
 sources:
 - https://github.com/apache/hadoop
-version: 0.1.3
+version: 0.1.4

charts/hdfs/templates/hdfs-dn-svc.yaml renamed to charts/hdfs/templates/hdfs-dn-svc-headless.yaml

@@ -0,0 +1,21 @@
+# A headless service to create DNS records
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "hdfs.fullname" . }}-namenode
+  labels:
+    app.kubernetes.io/name: {{ include "hdfs.name" . }}
+    app.kubernetes.io/component: namenode
+    {{- include "hdfs.labels" . | nindent 4 }}
+spec:
+  ports:
+  - name: dfs
+    port: {{ .Values.nameNode.port }}
+    protocol: TCP
+  - name: webhdfs
+    port: 50070
+  clusterIP: None
+  selector:
+    app.kubernetes.io/name: {{ include "hdfs.name" . }}
+    app.kubernetes.io/component: namenode
+    app.kubernetes.io/instance: {{ .Release.Name }}

charts/hdfs/templates/hdfs-nn-svc-headless.yaml

@@ -2,7 +2,7 @@
 apiVersion: v1
 kind: Service
 metadata:
-  name: {{ include "hdfs.fullname" . }}-namenode
+  name: {{ include "hdfs.fullname" . }}
   labels:
     app.kubernetes.io/name: {{ include "hdfs.name" . }}
     app.kubernetes.io/component: namenode