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Bug 1532703

Summary: When deploying an Overcloud on auto discovered nodes nova errors with host not mapped to any cell
Product: Red Hat OpenStack Reporter: Ramon Acedo <racedoro>
Component: openstack-tripleo-commonAssignee: Dmitry Tantsur <dtantsur>
Status: CLOSED ERRATA QA Contact: mlammon
Severity: medium Docs Contact:
Priority: medium    
Version: 12.0 (Pike)CC: berrange, bfournie, dasmith, dyasny, eglynn, kchamart, mburns, rhel-osp-director-maint, sbauza, sferdjao, sgordon, slinaber, srevivo, vromanso
Target Milestone: z2Keywords: Triaged, ZStream
Target Release: 12.0 (Pike)   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: openstack-tripleo-common-7.6.9-2.el7ost Doc Type: If docs needed, set a value
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Clone Of: Environment:
Last Closed: 2018-03-28 17:27:14 UTC Type: Bug
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Ramon Acedo 2018-01-09 15:57:24 UTC 
When using auto discovered hosts the deployment will fail with:

"Message: Host 'undercloud-2.osp.rh' is not mapped to any cell, Code: 400"

Running as root 'nova-manage cell_v2 discover_hosts --verbose' fixes the issue.
Comment 1 Dmitry Tantsur 2018-01-09 16:05:25 UTC 
I think we should enable the periodic task for host discovery in the undercloud (we already do it for the overcloud). Moving to instack-undercloud.
Comment 2 Dmitry Tantsur 2018-01-09 16:15:15 UTC 
master patch proposed
Comment 3 Dmitry Tantsur 2018-01-10 11:20:16 UTC 
Trying another approach that won't involve a potentially expensive periodic task: https://review.openstack.org/#/c/532495/
Comment 4 Ramon Acedo 2018-01-11 12:05:49 UTC 
After applying the patch https://review.openstack.org/#/c/532495/ the cells issue is gone and there's no need to run 'nova-manage cell_v2 discover_hosts'
Comment 5 Dan Yasny 2018-02-02 20:15:09 UTC 
I have managed to deploy a overcloud on autodiscovered nodes with no extra steps in OSP12. Had to properly tag the nodes first though
Comment 9 mlammon 2018-03-15 18:58:41 UTC 
Deployed latest osp 12 2018-03-10.1

Env
openstack-tripleo-common-7.6.9-2.el7ost.noarch

Based on commet#4&5 and code is in puddle we can move to verify
Comment 12 errata-xmlrpc 2018-03-28 17:27:14 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:0607