[jira] [Updated] (HDFS-9049) Make Datanode Netty reverse proxy port to be configurable

["Vinayakumar B (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-9049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinayakumar B updated HDFS-9049:
--------------------------------
    Attachment: HDFS-9049-03.patch

Rebased the patch.
Tests failures are not related to this patch, as changes doesnot impact any functionality.

> Make Datanode Netty reverse proxy port to be configurable
> ---------------------------------------------------------
>
>                 Key: HDFS-9049
>                 URL: https://issues.apache.org/jira/browse/HDFS-9049
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Vinayakumar B
>            Assignee: Vinayakumar B
>         Attachments: HDFS-9049-01.patch, HDFS-9049-02.patch, HDFS-9049-03.patch
>
>
> In DatanodeHttpServer.java Netty is used as reverse proxy. But uses random port to start with binding to localhost. This port can be made configurable for better deployments.
> {code}
>  HttpServer2.Builder builder = new HttpServer2.Builder()
>         .setName("datanode")
>         .setConf(confForInfoServer)
>         .setACL(new AccessControlList(conf.get(DFS_ADMIN, " ")))
>         .hostName(getHostnameForSpnegoPrincipal(confForInfoServer))
>         .addEndpoint(URI.create("http://localhost:0"))
>         .setFindPort(true);
> {code}



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