[jira] [Updated] (YARN-4515) [YARN-3368] Support hosting web UI framework inside YARN RM

["Wangda Tan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-4515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wangda Tan updated YARN-4515:
-----------------------------
    Attachment: preliminary-YARN-4515-host_rm_web_ui_v2.patch

Spent some time on this today, trying to host webapps inside RM (using HttpServer2).

After apply the patch:
- Run mvn -DskipTests install -Pyarn-ui to compile ui-related code.
- Copy hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/target/hadoop-yarn-ui-3.0.0-SNAPSHOT/* to $HADOOP_HOME/share/hadoop/yarn/webapps/rm/
- Start RM, the HTTP port is localhost:8888.

Go to localhost:8888, page can be rendered (cluster metrics), however, I cannot go to other pages such as apps/queues, 404 error is reported. I think there maybe some relative path configs need to be updated.

[~sunilg], could you take a look at this issue if you have bandwidth recently? Thanks!

> [YARN-3368] Support hosting web UI framework inside YARN RM
> -----------------------------------------------------------
>
>                 Key: YARN-4515
>                 URL: https://issues.apache.org/jira/browse/YARN-4515
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Wangda Tan
>            Assignee: Sunil G
>         Attachments: preliminary-YARN-4515-host_rm_web_ui_v2.patch
>
>
> Currently it can be only launched outside of YARN, we should make it runnable inside YARN for easier testing and we should have a configuration to enable/disable it.



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