Xushaohong commented on code in PR #4265:
URL: https://github.com/apache/ozone/pull/4265#discussion_r1104015832
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hadoop-ozone/dist/src/main/smoketest/omha/testOMHA.robot:
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@@ -182,4 +194,38 @@ Restart OM and Verify Ratis Logs
# Verify that the logs match with the Leader OMs logs
List Should Contain Sub List ${logsAfter} ${logsLeader}
+Transfer Leadership for OM
+ # Check OM write operation before failover
+ Create volume and bucket
+ Write Test File
+
+ # Find Leader OM and one Follower OM
+ ${leaderOM} = Get OM Leader Node
+ LOG Leader OM: ${leaderOM}
+ ${followerOM} = Get One OM Follower Node
+ LOG Follower OM: ${followerOM}
+ # Transfer leadership to the Follower OM
+ ${result} = Execute ozone admin om transfer
--service-id=omservice -n ${followerOM}
+ LOG ${result}
+ Should Contain ${result}
Transfer leadership successfully
+
+ ${newLeaderOM} = Get OM Leader Node
+ Should be Equal ${followerOM}
${newLeaderOM}
+ Write Test File
+
+Transfer Leadership for OM randomly
+ # Check OM write operation before failover
+ Create volume and bucket
+ Write Test File
+ # Find Leader OM and one Follower OM
+ ${leaderOM} = Get OM Leader Node
+ LOG Leader OM: ${leaderOM}
+ # Transfer leadership to the Follower OM
+ ${result} = Execute ozone admin om transfer -r
+ LOG ${result}
+ Should Contain ${result}
Transfer leadership successfully
+
+ ${newLeaderOM} = Get OM Leader Node
+ Should Not be Equal ${leaderOM}
${newLeaderOM}
Review Comment:
> Let add a test case with a specific new leader. Just transfer it back to
`${leaderOM}`.
In robot test, there is already a test case to transfer to the specific
leader and also a random cast to transfer randomly.
https://github.com/apache/ozone/blob/c763ee4e8296ca896689813771745758e55aea2e/hadoop-ozone/dist/src/main/smoketest/omha/testOMHA.robot#L197
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