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Nova services listing in stein [closed]

asked 2019-12-17 08:51:35 -0500

bcantera gravatar image

updated 2019-12-17 10:40:59 -0500

Hi there! I am actually installing OpenStack Stein over Ubuntu 18.04.3 LTS with ansible playbooks made by my own, actually I am with issues at the moment of verifying nova services as described here: https://docs.openstack.org/nova/stein/install/compute-install-ubuntu.html (https://docs.openstack.org/nova/stein...)

Controller and compute installations/configurations are done without issues, but when I submit "openstack compute service list --service nova-compute" to see compute hosts on controller database I see this:

openstack compute service list --service nova-compute

'services'

Any ideas of what could be the issue?

Thanks in adv!

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Closed for the following reason the question is answered, right answer was accepted by Bernd Bausch
close date 2019-12-26 20:19:15.454472

3 answers

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answered 2019-12-19 13:42:46 -0500

bcantera gravatar image

updated 2019-12-26 05:46:58 -0500

The issue was detected and solved, in the playbooks there were copied/pasted by mistake the urls for endpoints with wrong ports (all happened to had placement port).

Correcting ports and verifying with openstack endpoint list solved the issue

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Since the error message points to some problem with the Placement service, I would use commands to access Placement manually. If that works, I would then check whether the compute node is correctly configured to access Placement.

Bernd Bausch gravatar imageBernd Bausch ( 2019-12-19 17:13:01 -0500 )edit

nova host-list ERROR (KeyError): 'version'

This indicates incompatible versions of Python libraries and/or the nova command line client.

Bernd Bausch gravatar imageBernd Bausch ( 2019-12-19 17:14:42 -0500 )edit

Talking about placement, it happened that at verifying stage I saw some things, first, when I run "placement-status upgrade check" I must do it as root to get correct output (all other verifications are done with a sudo user) and placement-status upgrade check says that it is not a openstack command

bcantera gravatar imagebcantera ( 2019-12-20 04:37:13 -0500 )edit

I think that in Stein, Placement is still part of Nova, except if you explicitly configure it to be separate. In the former case, you would probably not have placement-status, but nova-status would give you some information about the health of Placement.

Bernd Bausch gravatar imageBernd Bausch ( 2019-12-20 06:30:18 -0500 )edit
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answered 2019-12-17 12:29:59 -0500

bcantera gravatar image

I am just at nova installation according to documentation, which is supposed to give me the output like the one shown in https://docs.openstack.org/nova/stein/install/compute-install-ubuntu.html (https://docs.openstack.org/nova/stein...) (link)

I do not have openstack-status command, I suppose you mean "openstack compute service list", the output is the same, just a line saying 'services' and nothing else

This is the output of noca host-list: nova host-list ERROR (KeyError): 'version'

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whats nova-compute.log says?

piyushsrivastava gravatar imagepiyushsrivastava ( 2019-12-17 12:41:54 -0500 )edit

[None] Failed to retrieve resource provider tree from placement API for UUID blablabla ERROR nova.compute.manager KeyError: 'allocations' This is what I found mostly useful on compute node logs

bcantera gravatar imagebcantera ( 2019-12-17 12:55:16 -0500 )edit
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answered 2019-12-17 12:22:29 -0500

Is your installation completed properly ? openstack-status openstack compute service list

Please provide below output also nova host-list

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You probably mean nova-status. I think openstack-status is an RDO-specific command.

Bernd Bausch gravatar imageBernd Bausch ( 2019-12-19 17:16:09 -0500 )edit

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Asked: 2019-12-17 08:51:35 -0500

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Last updated: Dec 26 '19