[ 
https://issues.apache.org/jira/browse/YARN-11154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17753644#comment-17753644
 ] 

ASF GitHub Bot commented on YARN-11154:
---------------------------------------

slfan1989 commented on code in PR #5946:
URL: https://github.com/apache/hadoop/pull/5946#discussion_r1292597330


##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/clientrm/RouterClientRMService.java:
##########
@@ -623,4 +650,22 @@ public void initUserPipelineMap(Configuration conf) {
         YarnConfiguration.DEFAULT_ROUTER_PIPELINE_CACHE_MAX_SIZE);
     this.userPipelineMap = Collections.synchronizedMap(new 
LRUCacheHashMap<>(maxCacheSize, true));
   }
+
+  private URL getRedirectURL() throws Exception {
+    Configuration conf = getConfig();
+    String webAppAddress = WebAppUtils.getWebAppBindURL(conf, 
YarnConfiguration.ROUTER_BIND_HOST,
+        WebAppUtils.getRouterWebAppURLWithoutScheme(conf));
+    String[] hostPort = StringUtils.split(webAppAddress, ':');
+    if (hostPort.length != 2) {
+      throw new YarnRuntimeException("Router can't get valid redirect proxy 
url");
+    }
+    String host;
+    if (null == hostPort[0] || hostPort[0].equals("") || 
hostPort[0].equals("0.0.0.0")) {

Review Comment:
   Can we refactor this part of the code? This part of the code doesn't look 
easy to read.





> Make router support proxy server.
> ---------------------------------
>
>                 Key: YARN-11154
>                 URL: https://issues.apache.org/jira/browse/YARN-11154
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>    Affects Versions: 3.2.1
>            Reporter: zhengchenyu
>            Assignee: zhengchenyu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>         Attachments: YARN-11154.draft.patch
>
>
> Detail message see: https://issues.apache.org/jira/browse/YARN-10775 and 
> YARN-10775-design-doc.001.pdf 



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