Created attachment 806551 [details]
packstack installtion log

Description of problem:

I have swift configured as glance backend.
when I run packstack again to make changes it changes the field default_store in glance-api.conf back to file and than the images I create are created locally instead of in swift storage servers.
the change I was trying to do is add more zones, replication and storage servers for swift.

Version-Release number of selected component (if applicable):

openstack-packstack-2013.2.1-0.5.dev740.el6ost.noarch
openstack-glance-2013.2-0.10.b3.el6ost.noarch
openstack-swift-1.8.0-6.el6ost.noarch

How reproducible:

100%

Steps to Reproduce:

1. install swift as an object server using packstack - give it 1 zone, 1 replication and 2 storage servers
2. configure swift as glance default_store.
3. change the fields in the answer file for swift to add more storage servers, more zones and more replication and re-run packstack

Actual results:

packstack is changing default_store value in glance-api.conf to file which means the images will be saved locally instead in swift (rendering the swift as backend mute) 

Expected results:

we should not touch the default_store value in glance-api.conf

Additional info:

Please note that there is another problem in which we fail to expend swift using packstack so the install log I am adding is actually a failure log. 
but the default_store has changed even with the failure.