[jira] [Assigned] (AMBARI-21234) Ambari rack awareness for Kafka

["Sebastian Toader (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-21234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebastian Toader reassigned AMBARI-21234:
-----------------------------------------

    Assignee: Sebastian Toader

> Ambari rack awareness for Kafka
> -------------------------------
>
>                 Key: AMBARI-21234
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21234
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-server
>            Reporter: Ambud Sharma
>            Assignee: Sebastian Toader
>             Fix For: 2.5.2
>
>         Attachments: AMBARI-21234-4.diff
>
>
> As an operations person it would be nice to manage Kafka rack awareness via Ambari. Ambari allows node rack information to be configured and this information can then be pulled in the Kafka stack and populated in the server.properties file for Kafka.
> Design:
> This stack change uses the /clusterHostInfo/all_hosts and /clusterHostInfo/all_racks paths and materializes them to a variable. Then it uses linear search to find this node in the list of all hosts and it's corresponding rack id. This information is then stored in a variable called rack and which is materialized during the configure method of the broker scripts.
> This stack change relies on the node rack information stored in Ambari therefore will enable both Ambari UI and Blueprints to be used for setting up Kafka broker rack information.



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