LAM-30 Changed the default master-node name in apache-kafka role.

ansible/roles/apache-kafka/handlers/main.yml

 ---
 - name: create topics
-  shell: /usr/local/kafka/bin/kafka-topics.sh --create --zookeeper {{ hostvars['master']['kafka-ip'] }}:2181 --replication-factor {{ groups['slaves']|count + 1 }} --partitions 1 --topic input
+  shell: /usr/local/kafka/bin/kafka-topics.sh --create --zookeeper {{ hostvars['master-node']['kafka-ip'] }}:2181 --replication-factor {{ groups['slaves']|count + 1 }} --partitions 1 --topic input
   notify:
     - create batch output topic
 
 - name: create batch output topic
-  shell: /usr/local/kafka/bin/kafka-topics.sh --create --zookeeper {{ hostvars['master']['kafka-ip'] }}:2181 --replication-factor {{ groups['slaves']|count + 1 }} --partitions 1 --topic batch-output
+  shell: /usr/local/kafka/bin/kafka-topics.sh --create --zookeeper {{ hostvars['master-node']['kafka-ip'] }}:2181 --replication-factor {{ groups['slaves']|count + 1 }} --partitions 1 --topic batch-output
   notify:
     - create stream output topic
 
 - name: create stream output topic
-  shell: /usr/local/kafka/bin/kafka-topics.sh --create --zookeeper {{ hostvars['master']['kafka-ip'] }}:2181 --replication-factor {{ groups['slaves']|count + 1 }} --partitions 1 --topic stream-output
+  shell: /usr/local/kafka/bin/kafka-topics.sh --create --zookeeper {{ hostvars['master-node']['kafka-ip'] }}:2181 --replication-factor {{ groups['slaves']|count + 1 }} --partitions 1 --topic stream-output
 

ansible/roles/apache-kafka/tasks/slaves.yml

@@ -10,7 +10,7 @@
       - configure-kafka
 
   - name: Configure the Apache Zookeeper host.
-    lineinfile: dest=/usr/local/kafka/config/server.properties regexp="^zookeeper.connect=localhost:2181" line="zookeeper.connect={{ hostvars['master']['kafka-ip'] }}:2181"
+    lineinfile: dest=/usr/local/kafka/config/server.properties regexp="^zookeeper.connect=localhost:2181" line="zookeeper.connect={{ hostvars['master-node']['kafka-ip'] }}:2181"
     tags:
       - configure-kafka