Tom Beerbower created AMBARI-14887:
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             Summary: Atlas Integration : Fix Atlas-Kafka properties for 
Blueprints
                 Key: AMBARI-14887
                 URL: https://issues.apache.org/jira/browse/AMBARI-14887
             Project: Ambari
          Issue Type: Bug
            Reporter: Tom Beerbower
            Assignee: Tom Beerbower


The mechanism of setting the topology related properties(kafka and zk) in the 
agent will result in issues with blueprint installs.

Because each node in a blueprint provisioned cluster is provisioned 
independently of other nodes, the blueprint topology manager needs to block 
provisioning of all nodes until all hosts required for configuration topology 
resolution are known.  This is determined in BlueprintConfigurationProcessor.  
Because these configurations are not registered with the blueprint 
configuration processor it is possible for the atlas host to be provisioned 
prior to the Kafka hosts being known which result in the failure of the agent 
to set these topology related properties.

In BlueprintConfigurationProcessor you will need too register updaters for all 
of the topology related properties, in this case 
"atlas.kafka.bootstrap.servers" and "atlas.kafka.zookeeper.connect".

For example:
atlasPropsMap.put("atlas.kafka.bootstrap.servers", new 
MultipleHostTopologyUpdater("KAFKA_BROKER"));



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