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From "Dmitro Lisnichenko" <dlysniche...@hortonworks.com>
Subject Re: Review Request 36171: Pre RU - install failed and attempts to re-install continue to fail
Date Tue, 07 Jul 2015 08:58:48 GMT


> On July 6, 2015, 10:42 p.m., Alejandro Fernandez wrote:
> > ambari-common/src/main/python/resource_management/libraries/functions/hdp_select.py,
line 234
> > <https://reviews.apache.org/r/36171/diff/2/?file=1000311#file1000311line234>
> >
> >     Only one install command should be running at a time on a host. Since multiple
processes can open the file for reading/writing, we need to make sure  that we handle IOError
gracefully, perhaps surround it with a retry decorator.

Ambari architecture does not support running few "install packages" actions in parallel, and
this file is used only from install_packages.py. So I don't think the situation when multiple
processes open the file for reading/writing is possible.


- Dmitro


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/36171/#review90595
-----------------------------------------------------------


On July 6, 2015, 5:06 p.m., Dmitro Lisnichenko wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/36171/
> -----------------------------------------------------------
> 
> (Updated July 6, 2015, 5:06 p.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, Jonathan Hurley, and Nate Cole.
> 
> 
> Bugs: AMBARI-12278
>     https://issues.apache.org/jira/browse/AMBARI-12278
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> 2015-07-01 08:07:10,323 - Failure while computing actual version. Error: Could not determine
actual version. This stack's root directory (/usr/hdp) exists but was not able to determine
the actual repository version installed. Try reinstalling packages again.
> Traceback (most recent call last):
>   File "/var/lib/ambari-agent/cache/custom_actions/scripts/install_packages.py", line
299, in install_packages
>     self.compute_actual_version()
>   File "/var/lib/ambari-agent/cache/custom_actions/scripts/install_packages.py", line
254, in compute_actual_version
>     raise Fail(msg)
> Fail: Could not determine actual version. This stack's root directory (/usr/hdp) exists
but was not able to determine the actual repository version installed. Try reinstalling packages
again.
> Traceback (most recent call last):
> 
> 
> Diffs
> -----
> 
>   ambari-common/src/main/python/resource_management/libraries/functions/hdp_select.py
5fdc35d 
>   ambari-server/src/main/resources/custom_actions/scripts/install_packages.py b028852

>   ambari-server/src/test/python/custom_actions/TestInstallPackages.py 1e6dcea 
> 
> Diff: https://reviews.apache.org/r/36171/diff/
> 
> 
> Testing
> -------
> 
> Performed E2E tests
> 
> 
> OK
> ----------------------------------------------------------------------
> Total run:796
> Total errors:0
> Total failures:0
> OK
> 
> 
> Thanks,
> 
> Dmitro Lisnichenko
> 
>


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