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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5877) Container env whitelist always considers only default values
Date Mon, 14 Nov 2016 05:43:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15662844#comment-15662844
] 

Bibin A Chundatt commented on YARN-5877:
----------------------------------------

As per my understanding we should change as following
{code}
-    whitelist.add(ApplicationConstants.Environment.HADOOP_YARN_HOME.name());
-    whitelist.add(ApplicationConstants.Environment.HADOOP_COMMON_HOME.name());
-    whitelist.add(ApplicationConstants.Environment.HADOOP_HDFS_HOME.name());
-    whitelist.add(ApplicationConstants.Environment.HADOOP_CONF_DIR.name());
-    whitelist.add(ApplicationConstants.Environment.JAVA_HOME.name());
+    String[] nmWhiteList = conf.get(YarnConfiguration.NM_ENV_WHITELIST,
+        YarnConfiguration.DEFAULT_NM_ENV_WHITELIST).split(",");
+    for (String param : nmWhiteList) {
+      whitelist.add(param);
+    }

{code}

Thoughts??

> Container env whitelist always considers only default values
> ------------------------------------------------------------
>
>                 Key: YARN-5877
>                 URL: https://issues.apache.org/jira/browse/YARN-5877
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>
> As per the {{yarn.nodemanager.env-whitelist}} for the configured values should  containers
may override rather than use NodeManager's default.
> {code}
>   <property>
>     <description>Environment variables that containers may override rather than
use NodeManager's default.</description>
>     <name>yarn.nodemanager.env-whitelist</name>
>     <value>JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,CLASSPATH_PREPEND_DISTCACHE,HADOOP_YARN_HOME</value>
>   </property>
> {code}
> But only the following containers can override
> {code}
>     whitelist.add(ApplicationConstants.Environment.HADOOP_YARN_HOME.name());
>     whitelist.add(ApplicationConstants.Environment.HADOOP_COMMON_HOME.name());
>     whitelist.add(ApplicationConstants.Environment.HADOOP_HDFS_HOME.name());
>     whitelist.add(ApplicationConstants.Environment.HADOOP_CONF_DIR.name());
>     whitelist.add(ApplicationConstants.Environment.JAVA_HOME.name());
> {code}



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