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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HDDS-2240) Command line tool for OM HA
Date Fri, 04 Oct 2019 02:52:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-2240?focusedWorklogId=323154&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-323154
]

ASF GitHub Bot logged work on HDDS-2240:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 04/Oct/19 02:51
            Start Date: 04/Oct/19 02:51
    Worklog Time Spent: 10m 
      Work Description: dineshchitlangia commented on pull request #1586: HDDS-2240. Command
line tool for OM HA.
URL: https://github.com/apache/hadoop/pull/1586#discussion_r331325033
 
 

 ##########
 File path: hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManagerHA.java
 ##########
 @@ -0,0 +1,76 @@
+package org.apache.hadoop.ozone.om;
+
+import org.apache.hadoop.hdds.cli.GenericCli;
+import org.apache.hadoop.hdds.cli.HddsVersionProvider;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.hdds.tracing.TracingUtil;
+import org.apache.hadoop.ozone.om.protocol.OzoneManagerProtocol;
+import org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolClientSideTranslatorPB;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.authentication.client.AuthenticationException;
+import org.apache.ratis.protocol.ClientId;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import picocli.CommandLine;
+import picocli.CommandLine.Command;
+
+import java.io.IOException;
+import java.util.Map;
+
+
+/**
+ * A command line tool for making calls in OM HA protocols.
+ */
+@Command(name = "ozone omha",
+    hidden = true, description = "Command line tool for OM HA.",
+    versionProvider = HddsVersionProvider.class,
+    mixinStandardHelpOptions = true)
+public class OzoneManagerHA extends GenericCli {
+  private OzoneConfiguration conf;
+  private static final Logger LOG =
+      LoggerFactory.getLogger(OzoneManagerHA.class);
+
+  public static void main(String[] args) throws Exception {
+    TracingUtil.initTracing("OzoneManager");
+    new OzoneManagerHA().run(args);
+  }
+
+  private OzoneManagerHA() {
+    super();
+  }
+
+  /**
+   * This function implements a sub-command to allow the OM to be
+   * initialized from the command line.
+   */
+  @CommandLine.Command(name = "--getservicestate",
+      customSynopsis = "ozone om [global options] --getservicestate " +
+          "--serviceId=<OMServiceID>",
+      hidden = false,
+      description = "Get the Ratis server state of all OMs belonging to given" +
+          " OM Service ID",
+      mixinStandardHelpOptions = true,
+      versionProvider = HddsVersionProvider.class)
+  public void getRoleInfoOm(@CommandLine.Option(names = { "--serviceId" },
+      description = "The OM Service ID of the OMs to get the server states for",
+      paramLabel = "id") String serviceId)
+      throws Exception {
+    conf = createOzoneConfiguration();
+    Map<String, String> serviceStates = getServiceStates(conf, serviceId);
+    for (String nodeId : serviceStates.keySet()) {
+      System.out.println(nodeId + " : " + serviceStates.get(nodeId));
+    }
 
 Review comment:
   It will be better to use entrySet() instead of keySet() for performance. Although this
method will not be doing extensive amount of work, I believe it is still worth making this
change.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 323154)
    Time Spent: 0.5h  (was: 20m)

> Command line tool for OM HA
> ---------------------------
>
>                 Key: HDDS-2240
>                 URL: https://issues.apache.org/jira/browse/HDDS-2240
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> A command line tool (*ozone omha*) to get information related to OM HA. 
> This Jira proposes to add the _getServiceState_ option for OM HA which lists all the
OMs in the service and their corresponding Ratis server roles (LEADER/ FOLLOWER). 
> We can later add more options to this tool.



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