[jira] [Updated] (YARN-4435) Add RM Delegation Token DtFetcher Implementation for DtUtil

["Matthew Paduano (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-4435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthew Paduano updated YARN-4435:
----------------------------------
    Attachment: YARN-4435.01.patch

patch adds two fetchers, one for timeline service and one for resource manager.

The fetchers define two service names ("rm" and "timeline") used as URI schemes for these fetchers.   e.g. rm://localhost:8032, timeline://localhost:8188    For HDFS et al., these were from HdfsConstants.  Should these names be in YarnConfiguration or someplace I am missing?

Also, YarnClient uses the RPC address/port for getting the RM delegation token while TimelineClient uses the web app address/port.  Hence, the supplied URL must respect these idiosyncrasies.  If URL is null, it will use defaults in the config.

> Add RM Delegation Token DtFetcher Implementation for DtUtil
> -----------------------------------------------------------
>
>                 Key: YARN-4435
>                 URL: https://issues.apache.org/jira/browse/YARN-4435
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Matthew Paduano
>            Assignee: Matthew Paduano
>         Attachments: YARN-4435.00.patch.txt, YARN-4435.01.patch, proposed_solution
>
>
> Add a class to yarn project that implements the DtFetcher interface to return a RM delegation token object.  
> I attached a proposed class implementation that does this, but it cannot be added as a patch until the interface is merged in HADOOP-12563



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