[openstack-dev] [devstack] libvirt default log level

Steven Dake sdake at redhat.com
Wed Jan 15 16:56:58 UTC 2014


Hi,

Ken'ichi Omichi submitted a change [1] in devstack to change the default 
log level to 1 for libvirt.  This results in continual spam to 
/var/log/messages in my development system, even after exiting 
devstack.  The spam looks like:
"
Jan 14 08:13:49 bigiron libvirtd: 2014-01-14 15:13:49.334+0000: 1480: 
debug : virFileClose:90 : Closed fd 8
Jan 14 08:13:49 bigiron libvirtd: 2014-01-14 15:13:49.334+0000: 1480: 
debug : virFileClose:90 : Closed fd 9
Jan 14 08:13:49 bigiron libvirtd: 2014-01-14 15:13:49.334+0000: 1480: 
debug : virFileClose:90 : Closed fd 10
Jan 14 08:13:49 bigiron libvirtd: 2014-01-14 15:13:49.334+0000: 1480: 
debug : virFileClose:90 : Closed fd 11
"
in a continual loop

I submitted a change [2] that sets the default to level 2 (info + 
warnings + errors) which was -1'ed by Sean Dague.  His suggestion was to 
take the discussion upstream so consensus around what the default should 
be can be made so this doesn't end up getting changed every week.

The core mission of devstack is to provide a development environment for 
developers.  The fact that it is being used in the gate seems somewhat 
ancillary to it's mission, and forcing a default of "spam the system 
logs with tons of libvirt messages" seems counter to the core mission of 
devstack.  As is, without modification devstack makes looking at 
anything useful in my system logs impossible without grep -v libvirt and 
is intrusive to developer's workstations.

[1] https://review.openstack.org/#/c/63992/ 
<https://review.openstack.org/#/c/63992/>
[2] https://review.openstack.org/#/c/66630/
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