Chart: add POD_NAME env for leader election (#2039)

Signed-off-by: aakcht <[email protected]>

Author: Aakcht

charts/spark-operator-chart/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: spark-operator
 description: A Helm chart for Spark on Kubernetes operator
-version: 1.3.0
+version: 1.3.1
 appVersion: v1beta2-1.4.2-3.5.0
 keywords:
   - spark

charts/spark-operator-chart/README.md

@@ -1,6 +1,6 @@
 # spark-operator
 
-![Version: 1.3.0](https://img.shields.io/badge/Version-1.3.0-informational?style=flat-square) ![AppVersion: v1beta2-1.4.2-3.5.0](https://img.shields.io/badge/AppVersion-v1beta2--1.4.2--3.5.0-informational?style=flat-square)
+![Version: 1.3.1](https://img.shields.io/badge/Version-1.3.1-informational?style=flat-square) ![AppVersion: v1beta2-1.4.2-3.5.0](https://img.shields.io/badge/AppVersion-v1beta2--1.4.2--3.5.0-informational?style=flat-square)
 
 A Helm chart for Spark on Kubernetes operator
 

charts/spark-operator-chart/templates/deployment.yaml

@@ -48,6 +48,14 @@ spec:
       - name: {{ .Chart.Name }}
         image: {{ .Values.image.repository }}:{{ default .Chart.AppVersion .Values.image.tag }}
         imagePullPolicy: {{ .Values.image.pullPolicy }}
+        {{- if gt (int .Values.replicaCount) 1 }}
+        env:
+          - name: POD_NAME
+            valueFrom:
+              fieldRef:
+                apiVersion: v1
+                fieldPath: metadata.name
+        {{- end }}
         envFrom:
           {{- toYaml .Values.envFrom | nindent 10 }}
         securityContext: