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Bug 1285524

Summary: Update fence-compute to include mark host down and taggable instance support
Product: Red Hat Enterprise Linux 7 Reporter: Stephen Gordon <sgordon>
Component: fence-agentsAssignee: Sylvain Bauza <sbauza>
Status: CLOSED NOTABUG QA Contact: cluster-qe <cluster-qe>
Severity: high Docs Contact:
Priority: high    
Version: 7.2CC: cfeist, cluster-maint, cluster-qe, fdinitto, sbauza
Target Milestone: rc   
Target Release: 7.2   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 1285523 Environment:
Last Closed: 2015-11-26 04:37:39 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1285523    
Bug Blocks:    

Description Stephen Gordon 2015-11-25 20:19:48 UTC
+++ This bug was initially created as a clone of Bug #1285523 +++

Description of problem:

In RHEL OpenStack Platform 8 we wish to include support in the fence compute (Nova) agent support for:

- The new OpenStack mark host down API call, where available, for telling NOva the host is down.
- Only evacuating instances that are marked evacuable in their associated image properties or flavor extra specifications.

Initial upstream work has been done:

https://github.com/ClusterLabs/fence-agents/commit/e3d7ccd652edb5d0bd60c210b029ce73c5fa27e9

https://github.com/ClusterLabs/fence-agents/commit/d9f2f483611253ece7fb097a9119de20a22d9111

...but an additional change is required to ensure *only* those instances that were marked evacuable are evacuated. Currently if *no* instances are found to be marked evacuable then *all* instances are considered evacuable which is not the behaviour we want out of the box (for those that do want all instances evacuated, tagging them as such is a simple matter).