Re: [Xen-API] Project KRONOS - SM drivers not detected anymore after upgrade from repo

[Sébastien Riccio <sr@xxxxxxxxxxxxxxx>]

Hi again,

After doing a little more search, I found out that XenAPI.py was not
found anymore in python modules search path and that prevents the SM
drivers files to be executed.

kronosbox# locate XenAPI.py

/usr/lib/python2.6/site-packages/XenAPI.py
/usr/lib/xen-4.1/lib/python/xen/xm/XenAPI.py
/usr/lib/xen-4.1/lib/python/xen/xm/XenAPI.pyc

I used this little script:

#!/usr/bin/python
import sys
print sys.path

to check what search path are used by python.

It returns:
['/tmp', '/usr/lib/python2.6', '/usr/lib/python2.6/plat-linux2', 
'/usr/lib/python2.6/lib-tk', '/usr/lib/python2.6/lib-old', 
'/usr/lib/python2.6/lib-dynload', 
'/usr/local/lib/python2.6/dist-packages', 
'/usr/lib/python2.6/dist-packages', 
'/usr/lib/python2.6/dist-packages/gtk-2.0', '/usr/lib/pymodules/python2.6']
(seems site-packages search path has disappeard after the apt-get upgrade)


On a XCP 1.1 box :
['/root', '/usr/lib/python24.zip', '/usr/lib/python2.4', 
'/usr/lib/python2.4/plat-linux2', '/usr/lib/python2.4/lib-tk', 
'/usr/lib/python2.4/lib-dynload', '/usr/lib/python2.4/site-packages']
Found this somewhere on the interweb:

The correct location of Python modules for Python >= 2.6 is
/usr/lib/pythonX.Y/dist-packages. In fact, packages shipping files in
/usr/lib/python2.6/site-packages will break installation of
python2.6-minimal.

So I've symlinked the files in /usr/lib/python2.6/site-packages to 
/usr/lib/python2.6/dist-packages,
rebooted and all came back to normal.

Maybe the files should be installed in dist-packages directly in the 
next versions of the packages?

Cheers,
Sébastien

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