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[Balazs Gibizer <balazs.gibizer@xxxxxxxxxxxx>]

Public bug reported:

1) boot a server
2) kill the compute (optionally force-down it)
3) evacuate the server
4) start up the original compute
5) check the allocations in placement

We expect that the allocation on the original compute is removed when that compute start up (init_host) after the evacuation but it isn't.
The compute host periodic resource healing also skips this case here https://review.openstack.org/#/c/491850/4/nova/compute/resource_tracker.py@1084

Here is a patch to reproduce the problem in the functional test env: https://review.openstack.org/#/c/492548/ 
Here is the debug log for that run: https://pastebin.com/hzb33Awu

** Affects: nova
     Importance: Medium
         Status: Triaged


** Tags: evacuate openstack-version.pike placement

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https://bugs.launchpad.net/bugs/1709902

Title:
  source host allocation not cleaned up in placement after evacuation

Status in OpenStack Compute (nova):
  Triaged

Bug description:
  1) boot a server
  2) kill the compute (optionally force-down it)
  3) evacuate the server
  4) start up the original compute
  5) check the allocations in placement

  We expect that the allocation on the original compute is removed when that compute start up (init_host) after the evacuation but it isn't.
  The compute host periodic resource healing also skips this case here https://review.openstack.org/#/c/491850/4/nova/compute/resource_tracker.py@1084

  Here is a patch to reproduce the problem in the functional test env: https://review.openstack.org/#/c/492548/ 
  Here is the debug log for that run: https://pastebin.com/hzb33Awu

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