Upgrade from diablo to to glance_2012.1-0ubuntu1 failing

[Adam Gandelman]

Upgrading oneiric/diablo packages to precise/essex results in a glance upgrade issue:

Unpacking replacement python-xattr ...
Selecting previously unselected package glance-common.
Unpacking glance-common (from .../glance-common_2012.1-0ubuntu1_all.deb) ...
dpkg: error processing /var/cache/apt/archives/glance-common_2012.1-0ubuntu1_all.deb (--unpack):
 trying to overwrite '/usr/bin/glance-manage', which is also in package glance 2011.3.2+git201203091125-0ubuntu1
Selecting previously unselected package glance-api.
Unpacking glance-api (from .../glance-api_2012.1-0ubuntu1_all.deb) ...
Replacing files in old package glance ...
Selecting previously unselected package glance-registry.
Unpacking glance-registry (from .../glance-registry_2012.1-0ubuntu1_all.deb) ...

[Launchpad Janitor (janitor)]

This bug was fixed in the package glance - 2012.1-0ubuntu2

---------------
glance (2012.1-0ubuntu2) precise; urgency=low

  [ Adam Gandelman ]
  * debian/patches/disable_db_table_auto_create.patch: Disable auto-creation
    of database schema at service start, inspect for consistenty and advise
    running manual migrations instead.
  * debian/patches/fix_migration_012_foreign_keys.patch: Fix a migration issue
    around missing FKs. Cherry-picked from upstream. Can be dropped with
    first stable update.
  * debian/patches/convert_properties_to_uuid.patch: Fixes migration 012 to
    also convert kernel_id and ramdisk_ids to UUID. Cherry picked from upstream.
    Can be dropped with first stable update (LP: #975651)
  * debian/glance-common.postinst: Clean up, fix purging issue due to poor
    us of conditionals
  * debian/glance-registry.postinst: Ensure new database is version_controlled
    before first call of db_sync.

  [ Chuck Short ]
  * debian/control: Fix upgrades from oneiric to precise. (LP: #974592)
 -- Adam Gandelman <email address hidden> Thu, 12 Apr 2012 15:02:08 -0700