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From "Vlad Rozov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXCORE-711) Support custom SSL keystore for the Stram REST API web service
Date Sun, 07 May 2017 23:41:04 GMT

    [ https://issues.apache.org/jira/browse/APEXCORE-711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16000121#comment-16000121
] 

Vlad Rozov commented on APEXCORE-711:
-------------------------------------

I'd prefer not to rely on YARN-6457 and YARN-4562 be ported to older versions of hadoop-yarn-common.
YARN-4562 is marked as resolved on 2.9 and 3.0, so it does not look that it will eventually
make into 2.7.1. There is still no agreement on how YARN-6457 will be fixed.

Instead of relying on YARN-6457, can we implement a class that extends org.apache.hadoop.yarn.webapp.WebApps
or provides similar functionality and that does not have the same limitation as YARN-6457?

> Support custom SSL keystore for the Stram REST API web service
> --------------------------------------------------------------
>
>                 Key: APEXCORE-711
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-711
>             Project: Apache Apex Core
>          Issue Type: Improvement
>            Reporter: Sanjay M Pujare
>            Assignee: Sanjay M Pujare
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> Currently StrAM supports only the default Hadoop SSL configuration for the web-service
because it uses org.apache.hadoop.yarn.webapp.WebApps helper class which has the limitation
of only using the default Hadoop SSL config that is read from Hadoop's ssl-server.xml resource
file. Some users have run into a situation where Hadoops' SSL keystore is not available on
most cluster nodes or the Stram process doesn't have read access to the keystore even when
present. So there is a need for the Stram to use a custom SSL keystore and configuration that
does not suffer from these limitations.
> There is already a PR https://github.com/apache/hadoop/pull/213 to Hadoop to support
this in Hadoop and it is in the process of getting merged soon.
> After that Stram needs to be enhanced (this JIRA) to accept the location of a custom
ssl-server.xml file (supplied by the client via a DAG attribute) and use the values from that
file to set up the config object to be passed to WebApps which will end up using the custom
SSL configuration. This approach has already been verified in a prototype.



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