[jira] [Created] (AMBARI-12763) Adding Support for WebHDFS HA mode in Knox Configuration

["Zachary Blanco (JIRA)" <ji...@apache.org>]

Zachary Blanco created AMBARI-12763:
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             Summary: Adding Support for WebHDFS HA mode in Knox Configuration
                 Key: AMBARI-12763
                 URL: https://issues.apache.org/jira/browse/AMBARI-12763
             Project: Ambari
          Issue Type: Improvement
          Components: ambari-server
    Affects Versions: 2.1.2
            Reporter: Zachary Blanco
            Priority: Minor


In the Apache Knox service screen > configuration > advanced topology the templating/macros used does automatically add multiple namenode URLs if WebHDFS HA is enabled.

We should changed the template from 

<url>http://{{namenode_host}:{{namenode_port}}webhdfs</url>

to something that's simple like this:

{{webhdfs_service_urls}}


This will automatically add URLs if there are multiple namenodes - thus allowing one less step for setting up HA for WebHDFS in Knox



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