yahoo-eng-team team mailing list archive

[Surya Seetharaman <1780727@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

While deleting a service, we also try to delete the HostMapping before
it here:
https://github.com/openstack/nova/blob/fcf406003bcde2b60a515f694f2640e27a9d65fd/nova/api/openstack/compute/services.py#L243
. However there could be a situation where we do not find the
HostMapping (for instance when we run nova-manage cell_v2 delete_host
before nova service-delete). This needs to be handled in the try catch
block and if we do not find the host_mapping, we just need to proceed to
deleting the service as opposed to the current behaviour where it gives
a 500.

** Affects: nova
     Importance: Undecided
     Assignee: Surya Seetharaman (tssurya)
         Status: New


** Tags: api cells

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https://bugs.launchpad.net/bugs/1780727

Title:
  Handle HostMappingNotFound when deleting a service

Status in OpenStack Compute (nova):
  New

Bug description:
  While deleting a service, we also try to delete the HostMapping before
  it here:
  https://github.com/openstack/nova/blob/fcf406003bcde2b60a515f694f2640e27a9d65fd/nova/api/openstack/compute/services.py#L243
  . However there could be a situation where we do not find the
  HostMapping (for instance when we run nova-manage cell_v2 delete_host
  before nova service-delete). This needs to be handled in the try catch
  block and if we do not find the host_mapping, we just need to proceed
  to deleting the service as opposed to the current behaviour where it
  gives a 500.

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