make metastore listener optional in helm chart

Author: pengfei99

charts/hive-metastore/templates/configmap.yaml

@@ -9,10 +9,12 @@ data:
     <?xml version="1.0"?>
     <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
     <configuration>
+        {{ if .Values.listener.enabled }}
         <property>
           <name>hive.metastore.event.listeners</name>
           <value>{{ .Values.listener.className }}</value>
         </property>
+        {{ end }}
         <property>
           <name>javax.jdo.option.ConnectionURL</name>
           <value>jdbc:postgresql://{{ .Values.postgresql.fullnameOverride }}:5432/{{ .Values.global.postgresql.postgresqlDatabase}}</value>

charts/hive-metastore/templates/deployment.yaml

@@ -37,11 +37,15 @@ spec:
             - name: thrift
               containerPort: 9083
               protocol: TCP
+          {{ if .Values.listener.enabled }}    
           env:
             - name: KAFKA_BROKER_URL
               value: {{ .Values.listener.kafka-broker-url }}
             - name: KAFKA_TOPIC_NAME
-              value: {{ .Values.listener.kafka-topic-name }} 
+              value: {{ .Values.listener.kafka-topic-name }}
+            - name: DOMAIN_NAMESPACE
+              value: {{ .Values.listener.domain-namespace }}
+          {{ end }} 
           readinessProbe:
             tcpSocket:
               port: 9083

charts/hive-metastore/values.schema.json

@@ -86,6 +86,34 @@
           }
       }
     },
+    "listener": {
+      "description": "Configuration of hive meta store listener",
+      "type": "object",
+      "properties": {
+          "enabled": {
+              "description": "enable hive metastore listener",
+              "type": "boolean",
+              "default": false
+          },
+          "kafka-broker-url": {
+              "description": "kafka broker url for pushing your hive metastore event",
+              "type": "string",
+              "default": "change.me"
+              
+          },
+          "kafka-topic-name": {
+              "description": "kafka topic name for pushing your hive metastore event",
+              "type": "string",
+              "default": "changeMe"
+          },
+          "domain-namespace": {
+              "description": "domain name where your hive metastore is located inside your organization",
+              "type": "string",
+              "default": "changeMe"
+          }
+          }
+      }
+    },
     "global": {
       "description": "postgres specific configuration",
       "type": "object",

charts/hive-metastore/values.yaml

@@ -48,9 +48,11 @@ postgresql:
   fullnameOverride: "hive-metastore-db"
 
 listener:
+  enabled: true
   class-name: org.pengfei.hive.listener.CustomHiveListener
   kafka-broker-url: kafka-0.kafka-headless:9092
   kafka-topic-name: hive-meta
+  domain-namespace: user-pengfei
 
 readiness:
   enabled: "true"