Juju Charms Collection
nova-cloud-controller package

shared-db-relation-changed fails with no install recommends

Bug #1255503 reported by Liam Young on 2013-11-27

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	nova-cloud-controller (Juju Charms Collection)	Fix Released	Undecided	Unassigned

Bug Description

shared-db-relation-changed fails when apt no install recommends is set

It looks like python-mysqldb is missing:

$ dpkg -l | grep mysql
$

Error from /var/log/juju/unit-nova-cloud-controller-0.log:

2013-11-27 11:21:40 INFO juju juju-log.go:66 nova-cloud-controller/0 shared-db:23: Migrating the nova database.
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 CRITICAL nova [-] No module named MySQLdb
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova Traceback (most recent call last):
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/bin/nova-manage", line 10, in <module>
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova sys.exit(main())
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/cmd/manage.py", line 1377, in main
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova ret = fn(*fn_args, **fn_kwargs)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/cmd/manage.py", line 885, in sync
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova return migration.db_sync(version)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/db/migration.py", line 33, in db_sync
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova return IMPL.db_sync(version=version)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/migration.py", line 72, in db_sync
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova current_version = db_version()
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/migration.py", line 84, in db_version
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova return versioning_api.db_version(get_engine(), repository)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/openstack/common/db/sqlalchemy/session.py", line 561, in get_engine
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova sqlite_fk=sqlite_fk)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/openstack/common/db/sqlalchemy/session.py", line 658, in create_engine
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova engine = sqlalchemy.create_engine(sql_connection, **engine_args)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/__init__.py", line 332, in create_engine
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova return strategy.create(*args, **kwargs)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/strategies.py", line 64, in create
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova dbapi = dialect_cls.dbapi(**dbapi_args)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova File "/usr/lib/python2.7/dist-packages/sqlalchemy/connectors/mysqldb.py", line 57, in dbapi
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova return __import__('MySQLdb')
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova ImportError: No module named MySQLdb
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK 2013-11-27 11:21:40.614 10468 TRACE nova
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK Traceback (most recent call last):
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/shared-db-relation-changed", line 444, in <module>
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK main()
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/shared-db-relation-changed", line 438, in main
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK hooks.execute(sys.argv)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/charmhelpers/core/hookenv.py", line 375, in execute
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK self._hooks[hook_name]()
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/charmhelpers/core/host.py", line 217, in wrapped_f
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK f(*args)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/shared-db-relation-changed", line 151, in db_changed
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK migrate_database()
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/nova_cc_utils.py", line 310, in migrate_database
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK subprocess.check_output(cmd)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK File "/usr/lib/python2.7/subprocess.py", line 544, in check_output
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK raise CalledProcessError(retcode, cmd, output=output)
2013-11-27 11:21:40 INFO juju.worker.uniter context.go:255 HOOK subprocess.CalledProcessError: Command '['nova-manage', 'db', 'sync']' returned non-zero exit status 1
2013-11-27 11:21:40 ERROR juju.worker.uniter uniter.go:350 hook failed: exit status 1