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YARN-8145. yarn rmadmin -getGroups doesn't return updated groups for user. Contributed by Sunil G. 

(cherry picked from commit 241d985467)
This commit is contained in:
Rohith Sharma K S 2018-04-18 13:32:50 +05:30
parent 213f733604
commit fa007d986b
2 changed files with 2 additions and 19 deletions
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19
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
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@ -34,7 +34,6 @@ import org.apache.hadoop.metrics2.MetricsSystem;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.metrics2.source.JvmMetrics;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.Groups;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.ProxyUsers;
@ -254,9 +253,6 @@ public class ResourceManager extends CompositeService implements Recoverable {
// load core-site.xml
loadConfigurationXml(YarnConfiguration.CORE_SITE_CONFIGURATION_FILE);
// Refresh user to group mappings during init.
refreshUserToGroupMappingsWithConf();
// Do refreshSuperUserGroupsConfiguration with loaded core-site.xml
// Or use RM specific configurations to overwrite the common ones first
// if they exist
@ -340,21 +336,6 @@ public class ResourceManager extends CompositeService implements Recoverable {
super.serviceInit(this.conf);
}
private void refreshUserToGroupMappingsWithConf()
throws YarnException, IOException {
Configuration newConf = new Configuration(false);
InputStream confFileInputStream =
configurationProvider
.getConfigurationInputStream(newConf, YarnConfiguration.CORE_SITE_CONFIGURATION_FILE);
if (confFileInputStream != null) {
newConf.addResource(confFileInputStream);
}
// Do refreshUserToGroupsMappings with loaded core-site.xml
Groups.getUserToGroupsMappingServiceWithLoadedConfiguration(newConf)
.refresh();
}
private void loadConfigurationXml(String configurationFile)
throws YarnException, IOException {
InputStream configurationInputStream =

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMAdminService.java
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@ -722,6 +722,7 @@ public class TestRMAdminService {
}
// Make sure RM will use the updated GroupMappingServiceProvider
Groups.getUserToGroupsMappingServiceWithLoadedConfiguration(conf).refresh();
List<String> groupBefore =
new ArrayList<String>(Groups.getUserToGroupsMappingService(
configuration).getGroups(user));
@ -1099,6 +1100,7 @@ public class TestRMAdminService {
.get("hadoop.proxyuser.test.hosts").contains("test_hosts"));
// verify UserToGroupsMappings
Groups.getUserToGroupsMappingServiceWithLoadedConfiguration(conf).refresh();
List<String> groupAfter =
Groups.getUserToGroupsMappingService(configuration).getGroups(
UserGroupInformation.getCurrentUser().getUserName());