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https://issues.apache.org/jira/browse/GOBBLIN-2004?focusedWorklogId=908976&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-908976
 ]

ASF GitHub Bot logged work on GOBBLIN-2004:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 08/Mar/24 18:44
            Start Date: 08/Mar/24 18:44
    Worklog Time Spent: 10m 
      Work Description: phet commented on code in PR #3891:
URL: https://github.com/apache/gobblin/pull/3891#discussion_r1518038369


##########
gobblin-yarn/src/main/java/org/apache/gobblin/yarn/AbstractYarnAppSecurityManager.java:
##########
@@ -17,167 +17,50 @@
 
 package org.apache.gobblin.yarn;
 
-import java.io.IOException;
+import java.util.Optional;
 import java.util.UUID;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
 
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.fs.permission.FsAction;
-import org.apache.hadoop.fs.permission.FsPermission;
-import org.apache.hadoop.security.Credentials;
 import org.apache.helix.Criteria;
 import org.apache.helix.HelixManager;
 import org.apache.helix.InstanceType;
 import org.apache.helix.model.Message;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
 import com.google.common.base.Strings;
-import com.google.common.base.Throwables;
-import com.google.common.util.concurrent.AbstractIdleService;
 import com.typesafe.config.Config;
 
 import org.apache.gobblin.cluster.GobblinClusterConfigurationKeys;
-import org.apache.gobblin.cluster.GobblinClusterManager;
 import org.apache.gobblin.cluster.GobblinHelixMessagingService;
 import org.apache.gobblin.util.ConfigUtils;
-import org.apache.gobblin.util.ExecutorsUtils;
-
-import static 
org.apache.hadoop.security.UserGroupInformation.HADOOP_TOKEN_FILE_LOCATION;
+import org.apache.gobblin.yarn.helix.HelixMessageSubTypes;
 
 /**
  * <p>
- *   The super class for key management
- *   This class uses a scheduled task to do re-login to re-fetch token on a
- *   configurable schedule. It also uses a second scheduled task
- *   to renew the delegation token after each login. Both the re-login 
interval and the token
- *   renewing interval are configurable.
+ *   Inherits the {@link AbstractAppSecurityManager} and implements Helix
+ *   specific mechanisms for refreshing security credentials.
+ *
+ *   NOTE: Although this class contains the term "Yarn", the class does not 
specifically
+ *   rely on Yarn. It is a generic class that is used by Gobblin Yarn 
applications which
+ *   are typically managed by Helix

Review Comment:
   desc suggests helix to be an integral part, but given you just made it 
optional, let's rework javadoc to clarify/reconcile





Issue Time Tracking
-------------------

    Worklog Id:     (was: 908976)
    Time Spent: 40m  (was: 0.5h)

> Make a Gobblin yarn app launcher that does not depend on Helix
> --------------------------------------------------------------
>
>                 Key: GOBBLIN-2004
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-2004
>             Project: Apache Gobblin
>          Issue Type: Improvement
>            Reporter: Matthew Ho
>            Priority: Major
>          Time Spent: 40m
>  Remaining Estimate: 0h
>




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