Add pod annotations support (#59)

Author: vvbogdanov87

charts/hdfs-client-k8s/templates/client-deployment.yaml

@@ -18,6 +18,10 @@ spec:
       labels:
         app: {{ template "hdfs-k8s.client.name" . }}
         release: {{ .Release.Name }}
+      {{- if .Values.podAnnotations }}
+      annotations:
+{{ toYaml .Values.podAnnotations | indent 8 }}
+      {{- end }}
     spec:
       containers:
         - name: hdfs-client

charts/hdfs-datanode-k8s/templates/datanode-daemonset.yaml

@@ -48,6 +48,10 @@ spec:
       labels:
         app: {{ template "hdfs-k8s.datanode.name" . }}
         release: {{ .Release.Name }}
+      {{- if .Values.podAnnotations }}
+      annotations:
+{{ toYaml .Values.podAnnotations | indent 8 }}
+      {{- end }}
     spec:
       {{- if .Values.affinity }}
       affinity:

charts/hdfs-journalnode-k8s/templates/journalnode-statefulset.yaml

@@ -53,6 +53,10 @@ spec:
       labels:
         app: {{ template "hdfs-k8s.journalnode.name" . }}
         release: {{ .Release.Name }}
+      {{- if .Values.podAnnotations }}
+      annotations:
+{{ toYaml .Values.podAnnotations | indent 8 }}
+      {{- end }}
     spec:
       {{- if .Values.affinity }}
       affinity:

charts/hdfs-krb5-k8s/templates/statefulset.yaml

@@ -44,6 +44,10 @@ spec:
       labels:
         app: {{ template "hdfs-k8s.krb5.name" . }}
         release: {{ .Release.Name }}
+      {{- if .Values.podAnnotations }}
+      annotations:
+{{ toYaml .Values.podAnnotations | indent 8 }}
+      {{- end }}
     spec:
       containers:
         - name: {{ .Chart.Name }}

charts/hdfs-namenode-k8s/templates/namenode-statefulset.yaml

@@ -126,6 +126,10 @@ spec:
       labels:
         app: {{ template "hdfs-k8s.namenode.name" . }}
         release: {{ .Release.Name }}
+      {{- if .Values.podAnnotations }}
+      annotations:
+{{ toYaml .Values.podAnnotations | indent 8 }}
+      {{- end }}
     spec:
       {{- if .Values.hostNetworkEnabled }}
       # Use hostNetwork so datanodes connect to namenode without going through an overlay network

charts/hdfs-simple-namenode-k8s/templates/namenode-statefulset.yaml

@@ -33,6 +33,10 @@ spec:
       labels:
         app: {{ template "hdfs-k8s.namenode.name" . }}
         release: {{ .Release.Name }}
+      {{- if .Values.podAnnotations }}
+      annotations:
+{{ toYaml .Values.podAnnotations | indent 8 }}
+      {{- end }}
     spec:
       {{- if .Values.affinity }}
       affinity: