[Openstack] Neutron installation

Prabhu Janakaraj wsuprabhu at gmail.com
Wed Nov 30 21:03:51 UTC 2016


Hi openstack enthusiasts,
I have been trying to deploy a 3 node openstack cluster (controller,
compute & Network)

I am following the instructions from openstack docs and I am stuck at
configuring Neutron as a service.

To be exact, I am facing issue when I am running the neutron-manage db_sync
following the information on this link

http://docs.openstack.org/newton/install-guide-ubuntu/neutron-controller-install.html#neutron-controller-metadata-agent

while executing this command

sudo neutron-db-manage --config-file /etc/neutron/plugins/ml2/ml2_conf.ini
upgrade head


I am getting the below error

  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
686, in main
    return_val |= bool(CONF.command.func(config, CONF.command.name))
  File "/usr/lib/python2.7/dist-packages/neutron/db/migration/cli.py", line
205, in do_upgrade
    run_sanity_checks(config, revision)
  File "/usr/lib/python2.7/dist-packages/neutron/db/migration/cli.py", line
670, in run_sanity_checks
    script_dir.run_env()
  File "/usr/lib/python2.7/dist-packages/alembic/script/base.py", line 407,
in run_env
    util.load_python_file(self.dir, 'env.py')
  File "/usr/lib/python2.7/dist-packages/alembic/util/pyfiles.py", line 93,
in load_python_file
    module = load_module_py(module_id, path)
  File "/usr/lib/python2.7/dist-packages/alembic/util/compat.py", line 79,
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 120, in <module>
    run_migrations_online()
  File
"/usr/lib/python2.7/dist-packages/neutron/db/migration/alembic_migrations/env.py",
line 106, in run_migrations_online
    with DBConnection(neutron_config.database.connection, connection) as
conn:
  File
"/usr/lib/python2.7/dist-packages/neutron/db/migration/connection.py", line
32, in __enter__
    self.engine = session.create_engine(self.connection_url)
  File "/usr/lib/python2.7/dist-packages/oslo_db/sqlalchemy/engines.py",
line 114, in create_engine
    url = sqlalchemy.engine.url.make_url(sql_connection)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/url.py", line
186, in make_url
    return _parse_rfc1738_args(name_or_url)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/url.py", line
235, in _parse_rfc1738_args
    "Could not parse rfc1738 URL from string '%s'" % name)
sqlalchemy.exc.ArgumentError: Could not parse rfc1738 URL from string ''
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