[Bug 1671078] Re: nova sqlite db migration failing for ocata

[Felipe Reyes]

Corey,

There are two issues here:

1) When upgrading TO newton "nova-manage db online_data_migrations" needs to be run, we are tracking this bug at https://bugs.launchpad.net/charm-nova-cloud-controller/+bug/1711209
2) Ocata needs to sync the db_api and this is already done in the upstream deb source
  - https://git.launchpad.net/~ubuntu-server-dev/ubuntu/+source/nova/tree/debian/nova-common.postinst#n53
  - https://git.launchpad.net/~ubuntu-server-dev/ubuntu/+source/nova/commit/?id=feed7e0c8f085587bf7b8c3f169a951fdec745a0

The question would be if we should SRU the change into ocata, what do
you think?


** Tags added: sts

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https://bugs.launchpad.net/bugs/1671078

Title:
  nova sqlite db migration failing for ocata

Status in nova package in Ubuntu:
  Confirmed

Bug description:
  nova/debian/nova-common.postinst needs fixing.  Can we remove the db
  migration?  Or should we add api db migration as well?

  note: to recreate this requires sqlite connections to be set in
  nova.conf:

  root at puppet-poc:/home/ubuntu# apt-get install nova-common
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  The following NEW packages will be installed:
    nova-common
  0 upgraded, 1 newly installed, 0 to remove and 81 not upgraded.
  Need to get 0 B/108 kB of archives.
  After this operation, 443 kB of additional disk space will be used.
  Selecting previously unselected package nova-common.
  (Reading database ... 123343 files and directories currently installed.)
  Preparing to unpack .../nova-common_2%3a15.0.0-0ubuntu1~cloud0_all.deb ...
  Unpacking nova-common (2:15.0.0-0ubuntu1~cloud0) ...
  Processing triggers for man-db (2.7.5-1) ...
  Setting up nova-common (2:15.0.0-0ubuntu1~cloud0) ...
  ERROR: could not access cell mapping database - has api db been created?
  An error has occurred:
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/nova/cmd/manage.py", line 1594, in main
      ret = fn(*fn_args, **fn_kwargs)
    File "/usr/lib/python2.7/dist-packages/nova/cmd/manage.py", line 644, in sync
      return migration.db_sync(version)
    File "/usr/lib/python2.7/dist-packages/nova/db/migration.py", line 26, in db_sync
      return IMPL.db_sync(version=version, database=database, context=context)
    File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/migration.py", line 57, in db_sync
      repository, version)
    File "/usr/lib/python2.7/dist-packages/migrate/versioning/api.py", line 186, in upgrade
      return _migrate(url, repository, version, upgrade=True, err=err, **opts)
    File "<decorator-gen-15>", line 2, in _migrate
    File "/usr/lib/python2.7/dist-packages/migrate/versioning/util/__init__.py", line 160, in with_engine
      return f(*a, **kw)
    File "/usr/lib/python2.7/dist-packages/migrate/versioning/api.py", line 366, in _migrate
      schema.runchange(ver, change, changeset.step)
    File "/usr/lib/python2.7/dist-packages/migrate/versioning/schema.py", line 93, in runchange
      change.run(self.engine, step)
    File "/usr/lib/python2.7/dist-packages/migrate/versioning/script/py.py", line 148, in run
      script_func(engine)
    File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/migrate_repo/versions/345_require_online_migration_completion.py", line 44, in upgrade
      raise exception.ValidationError(detail=msg)
  ValidationError: Migration cannot continue until all these have been migrated to the api database. Please run `nova-manage db online_migrations' on Newton code before continuing.There are still 5 unmigrated flavors. 

  dpkg: error processing package nova-common (--configure):
   subprocess installed post-installation script returned error exit status 1
  Errors were encountered while processing:
   nova-common
  E: Sub-process /usr/bin/dpkg returned an error code (1)

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