[jira] [Updated] (AMBARI-16439) Restarting Upgraded Component During a Paused Upgrade Downgrades Component To Old Version

["Jonathan Hurley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-16439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Hurley updated AMBARI-16439:
-------------------------------------
    Status: Patch Available  (was: Open)

> Restarting Upgraded Component During a Paused Upgrade Downgrades Component To Old Version
> -----------------------------------------------------------------------------------------
>
>                 Key: AMBARI-16439
>                 URL: https://issues.apache.org/jira/browse/AMBARI-16439
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Blocker
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-16439.patch
>
>
> There is a regression on the 2.4.0 line when restarting components during a paused upgrade. 
> STR:
> - Upgrade from HDP 2.3 to HDP 2.4, but don't finalize
> - Suspend the upgrade on the finalization step
> - Restart a ZooKeeper Server
> The commands being sent down have 2.3.x instead of 2.4.0:
> {code}
>     "commandParams": {
>         "service_package_folder": "common-services/ZOOKEEPER/3.4.5/package",
>         "script": "scripts/zookeeper_server.py",
>         "hooks_folder": "HDP/2.0.6/hooks",
>         "version": "2.3.4.0-3485",
>         "command_timeout": "1200",
>         "script_type": "PYTHON"
>     },
>     "hostLevelParams": {
>         "current_version": "2.3.4.0-3485",
>         "custom_command": "RESTART",
>         "stack_version": "2.4",
> {code}
> The problem is located in {{ClusterImpl}} in how it calculates the upgrade. In Ambari 2.2.2, it searched for upgrades, which also returned suspended upgrades. In 2.4.0, it only looks at a currently running upgrade:
> {code:title=2.4.0}
> UpgradeEntity upgradeInProgress = getUpgradeEntity();
> {code}
> {code:title=2.2.2}
> UpgradeEntity upgradeInProgress = this.getUpgradeInProgress();
> {code}



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