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Bug 1430393 - fence_compute unable to start because openstack-nova is unavailable during resource cleanup
Summary: fence_compute unable to start because openstack-nova is unavailable during re...
Keywords:
Status: CLOSED DUPLICATE of bug 1387590
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: fence-agents
Version: 7.3
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Andrew Beekhof
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-03-08 14:14 UTC by Vagner Farias
Modified: 2020-06-11 13:23 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-03-15 03:33:13 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Vagner Farias 2017-03-08 14:14:42 UTC 
Description of problem:
If for any reason it's required to cleanup a fence_compute agent, the whole set of cluster resources will be restarted and when fence_compute tries to connect to openstack nova it'll fail as it's not yet running. This will leave fence_compute resource in failed state, apparently in an endless loop.


Version-Release number of selected component (if applicable):
fence-agents-compute-4.0.11-47.el7_3.2.x86_64.rpm

How reproducible:
Seems to be reproducible only after fence_compute resource failing for the first time and when it requires a cleanup.

Steps to Reproduce:
1. pcs resource <fence_compute_resource_name> cleanup

Actual results:
fence_compute resource won't be able to start as openstack nova isn't yet running.

Sample logs:

Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Nova connection failed. ClientException: An unexpected error prevented the server from fulfilling your request. (HTTP 500)
Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Nova connection failed. ClientException: An unexpected error prevented the server from fulfilling your request. (HTTP 500)
Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Nova connection failed. ClientException: An unexpected error prevented the server from fulfilling your request. (HTTP 500)
Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Couldn't obtain a supported connection to nova, tried: ['2.11', '2']
Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Nova connection failed. ClientException: An unexpected error prevented the server from fulfilling your request. (HTTP 500)
Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Couldn't obtain a supported connection to nova, tried: ['2.11', '2']
Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Please use '-h' for usage
Mar 03 08:39:14 overcloud-compute-0.localdomain fence_compute[24814]: Please use '-h' for usage


Expected results:
fence_compute should be able to start.

Additional info:
1. Solution is available at https://bugzilla.redhat.com/show_bug.cgi?id=1387590#c18
2. https://bugzilla.redhat.com/show_bug.cgi?id=1393789 says it's a clone of the above, but it's ERRATA doesn't include this specific fix.
Comment 2 Andrew Beekhof 2017-03-14 02:02:38 UTC 
It looks like you want errata RHBA-2017:26298-01 with fence-agents-4.0.11-53.el7
Comment 3 Vagner Farias 2017-03-14 05:37:18 UTC 
(In reply to Andrew Beekhof from comment #2)
> It looks like you want errata RHBA-2017:26298-01 with
> fence-agents-4.0.11-53.el7

Is this errata released? I can't find it at https://access.redhat.com/downloads/content/69/ver=/rhel---7/7.3/x86_64/product-errata
Comment 4 Andrew Beekhof 2017-03-14 10:16:19 UTC 
It might still be finding its way through the red tape.
Does the customer require a hotfix?
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