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https://issues.apache.org/jira/browse/AMBARI-21744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16133116#comment-16133116
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Dmitry Lysnichenko commented on AMBARI-21744:
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Reverted for now because it covers not all cases
To https://git-wip-us.apache.org/repos/asf/ambari.git
2f4fe911b8..5d0914c3a0 branch-2.6 -> branch-2.6
5f6ce4ea53..ca8ae51afe trunk -> trunk
> package_regex in get_package_from_available() can match wrong pkg
> -----------------------------------------------------------------
>
> Key: AMBARI-21744
> URL: https://issues.apache.org/jira/browse/AMBARI-21744
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Reporter: Dmitry Lysnichenko
> Assignee: Dmitry Lysnichenko
> Priority: Critical
> Fix For: 2.6.0
>
> Attachments: AMBARI-21744.patch
>
>
> Due to the issue with regex (missing ^ and $ boundaries),
> resource_management.libraries.script.script.Script#get_package_from_available
> may return wrong package.
> {code}
> >>> list=['hbase_3_0_0_0_229-master', 'hbase_3_0_0_0_229']
> >>> if re.match('hbase_(\d|_)+', 'hbase_3_0_0_0_229-master'):
> ... print 'YES'
> ...
> YES
> >>> if re.match('hbase_(\d|_)+', 'hbase_3_0_0_0_229'):
> ... print 'YES'
> ...
> YES
> {code}
> In this case, the first package name from a list of available packages will
> be returned.
> The impact of bug is that we may install a wrong package if it's simillary
> named and goes first at list. Patch is a single-line fix.
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