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[Simon <skejaz@xxxxxxxxx>]

** Changed in: neutron
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1396671

Title:
  Cannot Migrate OpenStack (Juno) Neutron's database

Status in OpenStack Neutron (virtual network service):
  Invalid

Bug description:
  I am following the Openstack documentation
  (http://docs.openstack.org/juno/install-guide/install/apt/content/)
  for installing Openstack on Ubuntu 14.04. At page 59, there is an
  instruction to finalize the installation of Neutron on the controller
  node with the following command;

  # su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf \
  --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade juno" neutron

  However, I get the following error;

  # su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf \
  --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade juno" neutron
  INFO  [alembic.migration] Context impl SQLiteImpl.
  INFO  [alembic.migration] Will assume non-transactional DDL.
  INFO  [alembic.migration] Running upgrade havana -> e197124d4b9, add unique constraint to members
  Traceback (most recent call last):
    File "/usr/bin/neutron-db-manage", line 10, in <module>
      sys.exit(main())
    File "/usr/lib/python2.7/dist-packages/neutron/db/migration/cli.py", line 173, in main
      CONF.command.func(config, CONF.command.name)
    File "/usr/lib/python2.7/dist-packages/neutron/db/migration/cli.py", line 83, in do_upgrade_downgrade
      do_alembic_command(config, cmd, revision, sql=CONF.command.sql)
    File "/usr/lib/python2.7/dist-packages/neutron/db/migration/cli.py", line 61, in do_alembic_command
      getattr(alembic_command, cmd)(config, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/alembic/command.py", line 125, in upgrade
      script.run_env()
    File "/usr/lib/python2.7/dist-packages/alembic/script.py", line 203, in run_env
      util.load_python_file(self.dir, 'env.py')
    File "/usr/lib/python2.7/dist-packages/alembic/util.py", line 212, in load_python_file
      module = load_module_py(module_id, path)
    File "/usr/lib/python2.7/dist-packages/alembic/compat.py", line 58, in load_module_py
      mod = imp.load_source(module_id, path, fp)
    File "/usr/lib/python2.7/dist-packages/neutron/db/migration/alembic_migrations/env.py", line 108, in <module>
      run_migrations_online()
    File "/usr/lib/python2.7/dist-packages/neutron/db/migration/alembic_migrations/env.py", line 100, in run_migrations_online
      context.run_migrations()
    File "<string>", line 7, in run_migrations
    File "/usr/lib/python2.7/dist-packages/alembic/environment.py", line 688, in run_migrations
      self.get_context().run_migrations(**kw)
    File "/usr/lib/python2.7/dist-packages/alembic/migration.py", line 258, in run_migrations
      change(**kw)
    File "/usr/lib/python2.7/dist-packages/neutron/db/migration/alembic_migrations/versions/e197124d4b9_add_unique_constrain.py", line 42, in upgrade
      local_cols=['pool_id', 'address', 'protocol_port']
    File "<string>", line 7, in create_unique_constraint
    File "/usr/lib/python2.7/dist-packages/alembic/operations.py", line 621, in create_unique_constraint
      schema=schema, **kw)
    File "/usr/lib/python2.7/dist-packages/alembic/ddl/sqlite.py", line 21, in add_constraint
      "No support for ALTER of constraints in SQLite dialect")
  NotImplementedError: No support for ALTER of constraints in SQLite dialect

  I am pretty sure that I followed all the steps in the right order. I
  hope I have not raised a false alarm.

  Cheers,
  Simon.

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