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From "Di Li" <d...@ca.ibm.com>
Subject Re: Review Request 38806: AMBARI-13242: ambari-server setup failed if use another server as ambari-server next time
Date Mon, 28 Sep 2015 12:48:52 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/38806/
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(Updated Sept. 28, 2015, 12:48 p.m.)


Review request for Ambari and Alejandro Fernandez.


Summary (updated)
-----------------

AMBARI-13242: ambari-server setup failed if use another server as ambari-server next time


Bugs: AMBARI-13242
    https://issues.apache.org/jira/browse/AMBARI-13242


Repository: ambari


Description
-------

The uninstall script in RPM does not clean up the symbolic links created in /usr/lib/python2.6/site-packages.
The broken links causes following err if user tries to install Ambari server on a node that
has been previously installed with Ambari agent. Vise Versa.

File "/usr/sbin/ambari-server.py", line 26, in <module>
from ambari_commons.exceptions import FatalException, NonFatalException
File "/usr/lib/python2.6/site-packages/ambari_commons/_init_.py", line 21, in <module>
File "/usr/lib/python2.6/site-packages/ambari_commons/os_check.py", line 133, in <module>
File "/usr/lib/python2.6/site-packages/ambari_commons/os_check.py", line 115, in _init_
File "/usr/lib/python2.6/site-packages/ambari_commons/os_check.py", line 112, in initialize_data


Diffs
-----

  ambari-agent/pom.xml 0096162 
  ambari-agent/src/main/package/rpm/postremove.sh PRE-CREATION 
  ambari-server/pom.xml 3377961 
  ambari-server/src/main/package/rpm/postremove.sh PRE-CREATION 

Diff: https://reviews.apache.org/r/38806/diff/


Testing
-------

Generate Ambari Server and Agent RPMs
Install the Ambari Agent RPM on a machine
Run yum erase to remove the Ambari Agent RPM > verify the symbolic links in /usr/lib/python2.6/site-packages
are removed. 
On the very same machine, now install Ambari Server RPM > verify the RPM install is successful,
and can start/stop Ambari server.
Run yum erase to remove the Ambari Server RPM > verify the symbolic links in /usr/lib/python2.6/site-packages
are removed.


Thanks,

Di Li


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