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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1946) need Public interface for WebAppUtils.getProxyHostAndPort
Date Sat, 02 May 2015 13:03:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-1946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525242#comment-14525242
] 

Steve Loughran commented on YARN-1946:
--------------------------------------

This has got more complex with the HA proxy stuff: there's >1 (host,port) pair and the
caller needs to handle failover.

its still something that could be made public for anyone wanting to do their own AmIPFilter;
they'd just need to add failover logic themselves

> need Public interface for WebAppUtils.getProxyHostAndPort
> ---------------------------------------------------------
>
>                 Key: YARN-1946
>                 URL: https://issues.apache.org/jira/browse/YARN-1946
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api, webapp
>    Affects Versions: 2.4.0
>            Reporter: Thomas Graves
>            Priority: Critical
>
> ApplicationMasters are supposed to go through the ResourceManager web app proxy if they
have web UI's so they are properly secured.  There is currently no public interface for Application
Masters to conveniently get the proxy host and port.  There is a function in WebAppUtils,
but that class is private.  
> We should provide this as a utility since any properly written AM will need to do this.



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