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YARN-6271. yarn rmadin -getGroups returns information from standby RM. Contributed by Jian He. 

(cherry picked from commit 8db7a8c3ae)
This commit is contained in:
Junping Du 2017-03-03 14:39:31 -08:00
parent 30b43a2d4e
commit a58dfcb421
1 changed files with 9 additions and 0 deletions
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9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
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@ -572,6 +572,15 @@ public class AdminService extends CompositeService implements
@Override
public String[] getGroupsForUser(String user) throws IOException {
String operation = "getGroupsForUser";
UserGroupInformation ugi;
try {
ugi = checkAcls(operation);
} catch (YarnException e) {
// The interface is from hadoop-common which does not accept YarnException
throw new IOException(e);
}
checkRMStatus(ugi.getShortUserName(), operation, "get groups for user");
return UserGroupInformation.createRemoteUser(user).getGroupNames();
}