dynamically creates the kafka server address with env variables.

- get the values of KAFKA_NAMESPACE and KFK_SERVER_PORT to create KAFKA server address.

src/common/tools/kafka/Variables.py

@@ -16,14 +16,18 @@ import logging
 from enum import Enum
 from confluent_kafka import KafkaException
 from confluent_kafka.admin import AdminClient, NewTopic
+from common.Settings import get_setting
 
 
 LOGGER = logging.getLogger(__name__)
+KFK_SERVER_ADDRESS_TEMPLATE = 'kafka-service.{:s}.svc.cluster.local:{:s}'
 
 class KafkaConfig(Enum):
+    KFK_NAMESPACE = get_setting('KFK_NAMESPACE')
+    KFK_PORT      = get_setting('KFK_SERVER_PORT')
     # SERVER_IP    = "127.0.0.1:9092"
-    SERVER_IP    = "kafka-service.kafka.svc.cluster.local:9092"
-    ADMIN_CLIENT =  AdminClient({'bootstrap.servers': SERVER_IP})
+    server_address = KFK_SERVER_ADDRESS_TEMPLATE.format(KFK_NAMESPACE, KFK_PORT)
+    ADMIN_CLIENT =  AdminClient({'bootstrap.servers': server_address})
 
 class KafkaTopic(Enum):
     REQUEST  = 'topic_request'