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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXCORE-458) Web service authentication failing in HA cases when yarn.resourcemanager.webapps.address.<rmId> is unavailable
Date Tue, 17 May 2016 00:42:13 GMT

    [ https://issues.apache.org/jira/browse/APEXCORE-458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15285744#comment-15285744
] 

ASF GitHub Bot commented on APEXCORE-458:
-----------------------------------------

Github user vrozov commented on a diff in the pull request:

    https://github.com/apache/incubator-apex-core/pull/334#discussion_r63450055
  
    --- Diff: engine/src/main/java/com/datatorrent/stram/client/StramClientUtils.java ---
    @@ -739,13 +745,21 @@ public static InetSocketAddress getRMWebAddress(Configuration conf,
String rmId)
     
       public static InetSocketAddress getRMWebAddress(Configuration conf, boolean sslEnabled,
String rmId)
       {
    -    rmId = (rmId == null) ? "" : ("." + rmId);
    +    boolean isHA = (rmId != null);
    +    rmId = isHA ? ("." + rmId) : "";
    +    if (isHA) {
    +      conf = getYarnConfiguration(conf);
    +      conf.set(ConfigUtils.RM_HA_ID, rmId);
    +    }
         InetSocketAddress address;
         if (sslEnabled) {
           address = conf.getSocketAddr(YarnConfiguration.RM_WEBAPP_HTTPS_ADDRESS + rmId,
YarnConfiguration.DEFAULT_RM_WEBAPP_HTTPS_ADDRESS, YarnConfiguration.DEFAULT_RM_WEBAPP_HTTPS_PORT);
    --- End diff --
    
    rmId should not be appended to `YarnConfiguration.RM_WEBAPP_HTTPS_ADDRESS`. `YarnConfiguration.getSocketAddr()`
will return value based on `RM_HA_ID`.


> Web service authentication failing in HA cases when yarn.resourcemanager.webapps.address.<rmId>
is unavailable
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: APEXCORE-458
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-458
>             Project: Apache Apex Core
>          Issue Type: Bug
>            Reporter: Pramod Immaneni
>            Assignee: Pramod Immaneni
>
> Web service authentication uses the yarn resourcemanager proxy initially to deliver a
security token. It needs to know the address of the proxy so that it can verify that the initial
request came from a legitimate source. To do this it gets the address from the yarn.resourcemanager.webapps.address.<rmId>
property in HA scenarios. Sometimes this property is absent and only yarn.resourcemanager.hostname.<rmId>
is persent. In these scenarios use this property to get the address.



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