[jira] [Commented] (AMBARI-8244) Ambari HDP 2.0.6+ stacks do not work with fs.defaultFS not being hdfs

["Sumit Mohanty (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-8244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378774#comment-14378774 ] 

Sumit Mohanty commented on AMBARI-8244:
---------------------------------------

Additional changes required for the Web UI to replace the default value "localhost:8020" to the appropriate value as it does for {{fs.defaultFS}} - see attached image.

There are several more {{dfsadmin}} calls that may need similar changes.

> Ambari HDP 2.0.6+ stacks do not work with fs.defaultFS not being hdfs
> ---------------------------------------------------------------------
>
>                 Key: AMBARI-8244
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8244
>             Project: Ambari
>          Issue Type: Bug
>          Components: stacks
>    Affects Versions: 2.0.0
>            Reporter: Ivan Mitic
>            Assignee: Ivan Mitic
>              Labels: HDP
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-8244.2.patch, AMBARI-8244.3.patch, AMBARI-8244.4.patch, AMBARI-8244.5.patch, AMBARI-8244.patch
>
>
> Right now changing the default file system does not work with the HDP 2.0.6+ stacks. Given that it might be common to run HDP against some other file system in the cloud, adding support for this will be super useful. One alternative is to consider a separate stack definition for other file systems, however, given that I noticed just 2 minor bugs needed to support this, I would rather extend on the existing code.
> Bugs:
>  - One issue is in Nagios install scripts, where it is assumed that fs.defaultFS has the namenode port number.
>  - Another issue is in HDFS install scripts, where {{hadoop dfsadmin}} command only works when hdfs is the default file system.
> Fix for both places is to extract the namenode address/port from {{dfs.namenode.rpc-address}} if one is defined and use it instead of relying on {{fs.defaultFS}}. 
> Haven't included any tests yet (my first Ambari patch, not sure what is appropriate, so please comment).



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