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https://issues.apache.org/jira/browse/YARN-1946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13973901#comment-13973901
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Steve Loughran commented on YARN-1946:
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Thomas -we proxy the GUI, but for the REST API we don't. The proxy doesn't
forward any operation than GET, and there's no guarantee clients will handle
307 redirects with the same HTTP verb anyway. If/when the proxy supports more
operations, we can try with it.
the filter just says
ws/* -> no proxy
else: proxy
and ws/ doesn't do GUI
> 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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