** Changed in: neutron
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1657930
Title:
neutron-db-manage fails with ImportError
Status in neutron:
Invalid
Bug description:
Hi,
I am upgrading our OpenStack cluster from liberty to newton. But, I am
getting the following error when I run neutron-db-manage to sync the
neutron database. The upgrade of nova was successful but the neutron
processes fail to start (I am working on controller node for now). I
am guessing it is because of the fact that first I need to sync the
database where I get the following ImportError.
I am following the official Guide of the newtown installation (to
complete the upgrade) and every thing was fine to the point before
calling neutron-db-manage.
Can you please let me know your suggestion to fix this issue?
root@controller:/var/log# /bin/sh -c "neutron-db-manage --config-file
/etc/neutron/neutron.conf \ --config-file
/etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron
Traceback (most recent call last):
File "/usr/local/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/local/lib/python2.7/dist-packages/alembic/script/base.py", line
407, in run_env
util.load_python_file(self.dir, 'env.py')
File "/usr/local/lib/python2.7/dist-packages/alembic/util/pyfiles.py", line
93, in load_python_file
module = load_module_py(module_id, path)
File "/usr/local/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 17, in <module>
from neutron_lib.db import model_base
ImportError: cannot import name model_base
I can not even start neutron-server and the log file is empty.
ahmad@controller:/var/log$ sudo service neutron-server start
ahmad@controller:/var/log$
ahmad@controller:/var/log$
ahmad@controller:/var/log$ service neutron-server status
● neutron-server.service - OpenStack Neutron Server
Loaded: loaded (/lib/systemd/system/neutron-server.service; enabled;
vendor preset: enabled)
Active: inactive (dead) (Result: exit-code) since Thu 2017-01-19 19:48:12
EST; 6s ago
Process: 13772 ExecStart=/etc/init.d/neutron-server systemd-start
(code=exited, status=1/FAILURE)
Process: 13769 ExecStartPre=/bin/chown neutron:adm /var/log/neutron
(code=exited, status=0/SUCCESS)
Process: 13766 ExecStartPre=/bin/chown neutron:neutron /var/lock/neutron
/var/lib/neutron (code=exited, stat
Process: 13763 ExecStartPre=/bin/mkdir -p /var/lock/neutron
/var/log/neutron /var/lib/neutron (code=exited,
Main PID: 13772 (code=exited, status=1/FAILURE)
Jan 19 19:48:12 controller systemd[1]: neutron-server.service: Unit entered
failed state.
Jan 19 19:48:12 controller systemd[1]: neutron-server.service: Failed with
result 'exit-code'.
Jan 19 19:48:12 controller systemd[1]: neutron-server.service: Service
hold-off time over, scheduling restart.
Jan 19 19:48:12 controller systemd[1]: Stopped OpenStack Neutron Server.
Jan 19 19:48:12 controller systemd[1]: neutron-server.service: Start request
repeated too quickly.
Jan 19 19:48:12 controller systemd[1]: Failed to start OpenStack Neutron
Server.
ahmad@controller:/var/log$
ahmad@controller:/var/log$ cat /var/log/neutron/neutron-server.log
ahmad@controller:/var/log$
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