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https://issues.apache.org/jira/browse/YARN-8062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16409368#comment-16409368
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Sunil G commented on YARN-8062:
-------------------------------
Test steps:
{noformat}
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"groupadd testUser5" root
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"useradd testUser5 -g testUser5" root
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"groupadd Group5" root
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"usermod -a -G Group5 testUser5" root
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# groups testUser5
testUser5 : testUser5 Group5
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"/usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin
-refreshUserToGroupsMappings" yarn
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/03/22 10:36:37 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/03/22 10:36:37 INFO client.RMProxy: Connecting to ResourceManager at
ctr-e138-1518143905142-105679-01-000002.hwx.site/172.27.14.27:8141
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"/usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin -getGroups testUser5" yarn
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/03/22 10:36:48 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/03/22 10:36:48 INFO client.RMProxy: Connecting to ResourceManager at
ctr-e138-1518143905142-105679-01-000002.hwx.site/172.27.14.27:8141
testUser5 : testUser5 Group5
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"gpasswd -d testUser5 Group5" root
Removing user testUser5 from group Group5
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# groups testUser5
testUser5 : testUser5
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"/usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin
-refreshUserToGroupsMappings" yarn
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/03/22 10:37:09 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/03/22 10:37:09 INFO client.RMProxy: Connecting to ResourceManager at
ctr-e138-1518143905142-105679-01-000002.hwx.site/172.27.14.27:8141
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"/usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin -getGroups testUser5" yarn
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/03/22 10:37:13 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/03/22 10:37:13 INFO client.RMProxy: Connecting to ResourceManager at
ctr-e138-1518143905142-105679-01-000002.hwx.site/172.27.14.27:8141
testUser5 : testUser5
[root@ctr-e138-1518143905142-105679-01-000002 hadoop-yarn]# sudo su - -c
"/usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin -getGroups testUser5" yarn
WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
YARN_LOG_DIR.
WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
YARN_LOGFILE.
WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
YARN_PID_DIR.
WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
18/03/22 10:37:17 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
18/03/22 10:37:17 INFO client.RMProxy: Connecting to ResourceManager at
ctr-e138-1518143905142-105679-01-000002.hwx.site/172.27.14.27:8141
testUser5 : testUser5{noformat}
In Summary, *sudo su - -c "/usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin
-getGroups testUser5" yarn* and *groups testUser5* gives same o/p.
[~leftnoteasy] pls help to review the patch. We also had to make change in
AdminService.java in addition to RM init call.
> yarn rmadmin -getGroups returns group from which the user has been removed
> --------------------------------------------------------------------------
>
> Key: YARN-8062
> URL: https://issues.apache.org/jira/browse/YARN-8062
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Sumana Sathish
> Assignee: Sunil G
> Priority: Critical
> Attachments: YARN-8062.001.patch
>
>
> {code:title= adding group hrt_yarn_rmadmin_test}
> sudo su - -c "groupadd hrt_yarn_rmadmin_test" root
> {code}
> {Code:title=adding user hrt_yarn_rmadmin_test to group hrt_yarn_rmadmin_test}
> sudo su - -c "useradd hrt_yarn_rmadmin_test -g hrt_yarn_rmadmin_test" root
> {Code}
> {Code:title= adding group hrt_yarn_rmadmin_test_group2 }
> sudo su - -c "groupadd hrt_yarn_rmadmin_test_group2" root
> {Code}
> {Code:title=adding user hrt_yarn_rmadmin_test to group
> hrt_yarn_rmadmin_test_group2}
> sudo su - -c "usermod -a -G hrt_yarn_rmadmin_test_group2
> hrt_yarn_rmadmin_test" root
> {Code}
> Refresh and getGroups
> {code}
> yarn rmadmin -refreshUserToGroupsMappings
> /usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin -getGroups
> hrt_yarn_rmadmin_test
> hrt_yarn_rmadmin_test : hrt_yarn_rmadmin_test hrt_yarn_rmadmin_test_group2
> {code}
> Delete group hrt_yarn_rmadmin_test_group2 from user hrt_yarn_rmadmin_test
> and refresh and do getGroups.
> We can still see group hrt_yarn_rmadmin_test_group2
> {code}
> sudo su - -c "gpasswd -d hrt_yarn_rmadmin_test hrt_yarn_rmadmin_test_group2"
> root
> {code}
> Removing user hrt_yarn_rmadmin_test from group hrt_yarn_rmadmin_test_group2
> {code}
> bash-4.2$ /usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin
> -refreshUserToGroupsMappings
> /usr/hdp/current/hadoop-yarn-client/bin/yarn rmadmin -getGroups
> hrt_yarn_rmadmin_test
> hrt_yarn_rmadmin_test : hrt_yarn_rmadmin_test hrt_yarn_rmadmin_test_group2
> {code}
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