Open Stack

Hi All;

I have installed keystone, glance and nova compute services on controller
node as instructed in OpenStack Installation Guide for Ubuntu 12.04/14.04
(LTS). I have to still configure the compute node separately. When I
restart the services as directed on page 45 of the manual, nova-api is not
starting. Further when I use the command "*nova image-list*". It
returns "*ERROR
(ConnectionError): ('Connection aborted.', error(111, 'Connection
refused'))*. Here are some outputs, which may help to diagnose the issue:

------------------------
root at controller:/home/arauf# *service nova-api restart*
*stop: Unknown instance:*
nova-api start/running, process 13206
------------------------------------------------------
root at controller:/home/arauf# *ps -eaf | grep "nova-api"*
root     13521  1684  0 15:20 pts/1    00:00:00 grep --color=auto nova-api
------------------------------------------------------
root at controller:/home/arauf# *nova-manage service list*
Binary           Host                                 Zone
Status     State Updated_At
nova-cert        controller                           internal
enabled    :-)   2014-10-09 12:18:57
nova-consoleauth controller                           internal
enabled    :-)   2014-10-09 12:19:01
nova-scheduler   controller                           internal
enabled    :-)   2014-10-09 12:19:00
nova-conductor   controller                           internal
enabled    :-)   2014-10-09 12:18:58

*NOTE: NOVA-API is not enabled*
--------------------------------------------------------
*tail -30 /var/log/nova/nova-api.log*
014-10-10 14:10:49.573 20500 TRACE nova   File
"/usr/lib/python2.7/dist-packages/nova/openstack/common/processutils.py",
line 193, in execute
2014-10-10 14:10:49.573 20500 TRACE nova     cmd=' '.join(cmd))
2014-10-10 14:10:49.573 20500 TRACE nova ProcessExecutionError: Unexpected
error while running command.
2014-10-10 14:10:49.573 20500 TRACE nova Command: sudo nova-rootwrap
/etc/nova/rootwrap.conf iptables-save -c
2014-10-10 14:10:49.573 20500 TRACE nova Exit code: 1
2014-10-10 14:10:49.573 20500 TRACE nova Stdout: ''
2014-10-10 14:10:49.573 20500 TRACE nova Stderr: 'Traceback (most recent
call last):\n  File "/usr/bin/nova-rootwrap", line 6, in <module>\n    from
oslo.rootwrap.cmd import main\nImportError: No module named rootwrap.cmd\n'
2014-10-10 14:10:49.573 20500 TRACE nova
2014-10-10 14:10:49.692 20507 INFO nova.openstack.common.service [-] Parent
process has died unexpectedly, exiting
2014-10-10 14:10:49.692 20509 INFO nova.openstack.common.service [-] Parent
process has died unexpectedly, exiting
2014-10-10 14:10:49.692 20507 INFO nova.wsgi [-] Stopping WSGI server.
2014-10-10 14:10:49.693 20507 INFO nova.wsgi [-] WSGI server has stopped.
2014-10-10 14:10:49.693 20508 INFO nova.openstack.common.service [-] Parent
process has died unexpectedly, exiting
2014-10-10 14:10:49.692 20506 INFO nova.openstack.common.service [-] Parent
process has died unexpectedly, exiting
2014-10-10 14:10:49.693 20506 INFO nova.wsgi [-] Stopping WSGI server.
2014-10-10 14:10:49.694 20508 INFO nova.wsgi [-] Stopping WSGI server.
2014-10-10 14:10:49.694 20509 INFO nova.wsgi [-] Stopping WSGI server.
2014-10-10 14:10:49.695 20506 INFO nova.wsgi [-] WSGI server has stopped.
2014-10-10 14:10:49.696 20508 INFO nova.wsgi [-] WSGI server has stopped.
2014-10-10 14:10:49.696 20509 INFO nova.wsgi [-] WSGI server has stopped.
-------------------------------------

I am looking forward for a positive response.

Thanks and best regards,
Abdul Rauf
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