** Changed in: neutron
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1312124
Title:
Downgrade doesn't work in 4eca4a84f08a_remove_ml2_cisco_cred_db
migration
Status in OpenStack Neutron (virtual network service):
Fix Released
Bug description:
In downgrade for 4eca4a84f08a_remove_ml2_cisco_cred_db there is a
mistake in usage SQLAlchemy String type. Used sa.string instead of
sa.String
akamyshnikova@akamyshnikova:/opt/stack/neutron$ neutron-db-manage
--config-file /etc/neutron/neutron.conf --config-file
/etc/neutron/plugins/ml2/ml2_conf.ini downgrade -10
INFO [alembic.migration] Context impl MySQLImpl.
INFO [alembic.migration] Will assume non-transactional DDL.
INFO [alembic.migration] Running downgrade 1dde83e0359e -> 26a933acf533,
add_index_psql_cisco
INFO [alembic.migration] Running downgrade 26a933acf533 -> 30231c78a878,
add_index_psql_packetfilter
INFO [alembic.migration] Running downgrade 30231c78a878 -> 168ce7333432,
add_index_psql_metering
INFO [alembic.migration] Running downgrade 168ce7333432 -> 6be312499f9,
add_index_psql_fwaas
INFO [alembic.migration] Running downgrade 6be312499f9 -> d06e871c0d5,
set_not_null_vlan_id_cisco
INFO [alembic.migration] Running downgrade d06e871c0d5 -> 4eca4a84f08a,
set_admin_state_up_not_null_ml2
INFO [alembic.migration] Running downgrade 4eca4a84f08a -> 33c3db036fe4,
Remove ML2 Cisco Credentials DB
Traceback (most recent call last):
File "/usr/local/bin/neutron-db-manage", line 10, in <module>
sys.exit(main())
File "/opt/stack/neutron/neutron/db/migration/cli.py", line 167, in main
CONF.command.func(config, CONF.command.name)
File "/opt/stack/neutron/neutron/db/migration/cli.py", line 81, in
do_upgrade_downgrade
do_alembic_command(config, cmd, revision, sql=CONF.command.sql)
File "/opt/stack/neutron/neutron/db/migration/cli.py", line 59, in
do_alembic_command
getattr(alembic_command, cmd)(config, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/alembic/command.py", line 150,
in downgrade
script.run_env()
File "/usr/local/lib/python2.7/dist-packages/alembic/script.py", line 199,
in run_env
util.load_python_file(self.dir, 'env.py')
File "/usr/local/lib/python2.7/dist-packages/alembic/util.py", line 205, in
load_python_file
module = load_module_py(module_id, path)
File "/usr/local/lib/python2.7/dist-packages/alembic/compat.py", line 58,
in load_module_py
mod = imp.load_source(module_id, path, fp)
File "/opt/stack/neutron/neutron/db/migration/alembic_migrations/env.py",
line 103, in <module>
run_migrations_online()
File "/opt/stack/neutron/neutron/db/migration/alembic_migrations/env.py",
line 87, in run_migrations_online
options=build_options())
File "<string>", line 7, in run_migrations
File "/usr/local/lib/python2.7/dist-packages/alembic/environment.py", line
681, in run_migrations
self.get_context().run_migrations(**kw)
File "/usr/local/lib/python2.7/dist-packages/alembic/migration.py", line
225, in run_migrations
change(**kw)
File
"/opt/stack/neutron/neutron/db/migration/alembic_migrations/versions/4eca4a84f08a_remove_ml2_cisco_cred_db.py",
line 53, in downgrade
sa.Column('credential_id', sa.string(length=255), nullable=True),
AttributeError: 'module' object has no attribute 'string'
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