7e6319d955
nova-manage supports subcommands of db, for nova-manage, eg) 'nova-manage db sync', glance manage however has individual commands like db_sync, db_version etc. This patch aims at adding the db operations as subcommands to db in glance-manage similar to nova and refactoring this bit of code in cmd/manage.py Fixes: bug 1213197 Change-Id: I6fad31766bc1cec2a666a7ebc8df5c732007c5f1