[Openstack] "nova-manage service list" does not list all nova services
Ahmed Al-Mehdi
ahmed at coraid.com
Sat Sep 29 10:56:13 UTC 2012
Hi Trinath,
Thank you for your suggestion. Even though I am leery of "reboot pc and try again" approach, I did give it a try.
After reboot (prior to starting any services, not even mysql), I am seeing more odd behavior.
- Only nova-scheduler service is listed with an XXX status. I understand why the XXX, but why is the other nova services not listed or for that matter why is nova-scheduler list even though I have not started it?
root at sonoma<mailto:root at sonoma:/etc>:/etc<mailto:root at sonoma:/etc># who -r
run-level 2 2012-09-29 02:57
root at sonoma<mailto:root at sonoma:/etc>:/etc<mailto:root at sonoma:/etc># ls -l /etc/rc2.d/*nova*
ls: cannot access /etc/rc2.d/*nova*: No such file or directory
- After starting mysql, nova-scheduler is still listed with a XXX, but now nova-consoleauth (which I did not start) is listed with a :), and no other nova-services are not listed.
- After I start nova-scheduler, I see a :) for it.
- I started nova-api, and nova-network, but I don't see them listed.
root at sonoma<mailto:root at sonoma>:~# nova-manage service list
2012-09-29 02:57:30 DEBUG nova.utils [req-7fafe814-a2ba-4862-84b5-e3eddaf838c8 None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalc
rom (pid=1742) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
2012-09-29 02:57:30 WARNING nova.db.sqlalchemy.session [req-7fafe814-a2ba-4862-84b5-e3eddaf838c8 None None] SQL connection failed. 10 attempts left.
Binary Host Zone Status State Updated_At
nova-scheduler sonoma nova enabled XXX 2012-09-29 09:54:09
root at sonoma<mailto:root at sonoma>:~# service mysql restart
mysql stop/waiting
mysql start/running, process 2372
root at sonoma<mailto:root at sonoma>:~
root at sonoma<mailto:root at sonoma>:~# nova-manage service list
2012-09-29 02:58:47 DEBUG nova.utils [req-ad295ee2-ac50-41a0-bb75-636dbc8882c3 None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalc
rom (pid=2505) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
Binary Host Zone Status State Updated_At
nova-scheduler sonoma nova enabled XXX 2012-09-29 09:54:09
nova-consoleauth sonoma nova enabled :-) 2012-09-29 09:58:44
root at sonoma<mailto:root at sonoma>:~# service nova-scheduler restart
stop: Unknown instance:
nova-scheduler start/running, process 2521
root at sonoma<mailto:root at sonoma>:~# nova-manage service list
2012-09-29 02:59:22 DEBUG nova.utils [req-e88c4d94-fc28-4bab-b49d-fc99601f75ce None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalc
rom (pid=2538) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
Binary Host Zone Status State Updated_At
nova-scheduler sonoma nova enabled :-) 2012-09-29 09:59:18
nova-consoleauth sonoma nova enabled :-) 2012-09-29 09:59:14
root at sonoma<mailto:root at sonoma>:~# service nova-api start
start: Job is already running: nova-api
root at sonoma<mailto:root at sonoma>:~# nova-manage service list
2012-09-29 02:59:42 DEBUG nova.utils [req-fc7d7908-75bd-4b8e-ae5b-6edc72df1ec3 None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalc
rom (pid=2547) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
Binary Host Zone Status State Updated_At
nova-scheduler sonoma nova enabled :-) 2012-09-29 09:59:38
nova-consoleauth sonoma nova enabled :-) 2012-09-29 09:59:35
root at sonoma<mailto:root at sonoma:/etc>:/etc<mailto:root at sonoma:/etc># service nova-network start
nova-network start/running, process 3550
root at sonoma<mailto:root at sonoma:/etc>:/etc<mailto:root at sonoma:/etc>#
root at sonoma<mailto:root at sonoma:/etc>:/etc<mailto:root at sonoma:/etc># nova-manage service list
2012-09-29 03:45:03 DEBUG nova.utils [req-fa150ddb-1c24-4bca-8b4f-351130abf76b None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/pyt
rom (pid=3576) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
Binary Host Zone Status State Updated_At
nova-scheduler sonoma nova enabled :-) 2012-09-29 10:44:57
nova-consoleauth sonoma nova enabled :-) 2012-09-29 10:45:02
root at sonoma<mailto:root at sonoma:/etc>:/etc<mailto:root at sonoma:/etc>#
Thank you,
Ahmed.
________________________________
From: Trinath Somanchi [trinath.somanchi at gmail.com]
Sent: Friday, September 28, 2012 5:50 PM
To: Ahmed Al-Mehdi
Subject: Re: [Openstack] "nova-manage service list" does not list all nova services
Hi-
Can u reboot the pc and then restart the services. Try to list after this...
-
Trinath
On Sep 28, 2012 11:15 PM, "Ahmed Al-Mehdi" <ahmed at coraid.com<mailto:ahmed at coraid.com>> wrote:
Hello,
I am following the steps in the document - "OpenStack Install and Deploy Manual – Ubuntu" for Essex to setup an OpenStack environment. When I get to the section, "Verifying the Compute Installation", I not getting a full listing of all the services. Per the doc, I did stop and start all the nova services - nova–compute/cert/volume/scheduler/network/consoleauth.
root at sonoma:/etc/nova# nova-manage service list
2012-09-28 09:46:54 DEBUG nova.utils [req-69779921-0c25-43ab-b506-78abafc7e83b None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc'> from (pid=5833) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
Binary Host Zone Status State Updated_At
nova-scheduler sonoma nova enabled :-) 2012-09-28 16:46:46
root at sonoma:/etc/nova#
I am assuming I can safely ignore the above DEBUG message.
For one of the services, nova-api, after I issued "stop nova-api; start nova-api;", I see a boatload of INFO/DEBUG messages in /var/log/nova/nova-api.log. I am posting some of the last few messages.
2012-09-28 09:56:48 DEBUG nova.utils [-] ['sudo', 'iptables-save', '-t', 'filter'] failed. Retrying. from (pid=6236) execute /usr/lib/python2.7/dist-packages/nova/utils.py:248
2012-09-28 09:56:49 DEBUG nova.utils [-] Running cmd (subprocess): sudo iptables-save -t filter from (pid=6236) execute /usr/lib/python2.7/dist-packages/nova/utils.py:219
2012-09-28 09:56:49 DEBUG nova.utils [-] Result was 1 from (pid=6236) execute /usr/lib/python2.7/dist-packages/nova/utils.py:235
2012-09-28 09:56:49 DEBUG nova.utils [-] ['sudo', 'iptables-save', '-t', 'filter'] failed. Retrying. from (pid=6236) execute /usr/lib/python2.7/dist-packages/nova/utils.py:248
2012-09-28 09:56:51 DEBUG nova.utils [-] Running cmd (subprocess): sudo iptables-save -t filter from (pid=6236) execute /usr/lib/python2.7/dist-packages/nova/utils.py:219
2012-09-28 09:56:51 DEBUG nova.utils [-] Result was 1 from (pid=6236) execute /usr/lib/python2.7/dist-packages/nova/utils.py:235
What bothers is the message "Resule was 1", does not indicate an an error?
Can someone please help me or give me some pointers as to what specific log message or other log files I should look at. I am very sure I followed the steps unto that point.
Thank you,
Ahmed.
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