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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/61715/
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(Updated Aug. 29, 2017, 6:07 p.m.)


Review request for Ambari, Dmytro Grinenko and Vitalyi Brodetskyi.


Changes
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Returned to simpler regex because Dmytro Grinenko already fixed striping out of 
package architecture


Summary (updated)
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package_regex in get_package_from_available() can match wrong pkg


Bugs: AMBARI-21744
    https://issues.apache.org/jira/browse/AMBARI-21744


Repository: ambari


Description
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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.


Diffs (updated)
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  ambari-common/src/main/python/resource_management/libraries/script/script.py 
313b666878 
  ambari-server/src/test/python/custom_actions/TestInstallPackages.py 
de2cced554 


Diff: https://reviews.apache.org/r/61715/diff/3/

Changes: https://reviews.apache.org/r/61715/diff/2-3/


Testing (updated)
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mvn clean test


Thanks,

Dmitro Lisnichenko

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