[jira] [Updated] (AMBARI-15374) Check To Ensure That All Components Are On The Same Version Before Upgrading

["Dmitry Lysnichenko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-15374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitry Lysnichenko updated AMBARI-15374:
----------------------------------------
    Status: Patch Available  (was: Open)

> Check To Ensure That All Components Are On The Same Version Before Upgrading
> ----------------------------------------------------------------------------
>
>                 Key: AMBARI-15374
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15374
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>            Reporter: Dmitry Lysnichenko
>            Assignee: Dmitry Lysnichenko
>         Attachments: AMBARI-15374.patch
>
>
> Before beginning an upgrade, there should be a pre-upgrade check which ensures that all known, versionable components are reporting the same version. If any host component is reporting a version which does not match the current repository version, then a warning should be produced. The warning should provide information on the failed components, the expected version, and the version they are reporting.
> Note that this is only for Ambari 2.2.x; Ambari 2.4.0 uses a new workflow for how versions are recorded and stored during upgrade and does not need this.
> There are two ways to go about this:
> - Compare each service component host version to that of the {{CURRENT}} {{repo_version}}. However, there could be cases where the {{repo_version}} has not been calculated yet.
> - Compare each service component host version to each other.



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