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[Launchpad Bug Tracker <1998067@xxxxxxxxxxxxxxxxxx>]

[Expired for OpenStack Compute (nova) because there has been no activity
for 60 days.]

** Changed in: nova
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1998067

Title:
  'openstack allocation candidate list' returns non-compute nodes

Status in OpenStack Compute (nova):
  Expired

Bug description:
  Description
  ===========
  'openstack allocation candidate list ' command returns a list nodes that can meet the resource allocation requests, even some of them are not compute nodes.

  For example, user requests to create a VM with 50G mem, 60G disk and 6
  CPUs, placement API returns two nodes:

  $ openstack allocation candidate list --resource MEMORY_MB=51200 --resource DISK_GB=60  --resource VCPU=6 --os-placement-api-version 1.10
  +---+-----------------------------------+--------------------------------------+-----------------------------------------------+
  | # | allocation                        | resource provider                    | inventory used/capacity                       |
  +---+-----------------------------------+--------------------------------------+-----------------------------------------------+
  | 1 | VCPU=6,MEMORY_MB=51200,DISK_GB=60 | 6eccd190-1d8c-488c-9db7-0cb49d08bdc7 | VCPU=0/1280,MEMORY_MB=0/385992,DISK_GB=0/1831 |
  | 2 | VCPU=6,MEMORY_MB=51200,DISK_GB=60 | 27073646-35fc-4af8-9484-c52504d30a63 | VCPU=0/1280,MEMORY_MB=0/385993,DISK_GB=0/1831 |
  +---+-----------------------------------+--------------------------------------+-----------------------------------------------+

  $  openstack resource provider list |grep -E "6eccd190-1d8c-488c-9db7-0cb49d08bdc7|27073646-35fc-4af8-9484-c52504d30a63"
  | 6eccd190-1d8c-488c-9db7-0cb49d08bdc7 | openstack-4.maas  |          1 | 6eccd190-1d8c-488c-9db7-0cb49d08bdc7 | None                 |
  | 27073646-35fc-4af8-9484-c52504d30a63 | openstack-5.maas  |          1 | 27073646-35fc-4af8-9484-c52504d30a63 | None

  But openstack-4 and openstack-5 are not compute nodes. Since VM can
  only be hosted on compute node, I think 'allocation candidate list '
  should only return the schedulable compute nodes.

  Steps to reproduce
  ==================
  see above

  Expected result
  ===============
  'allocation candidate list ' should only return the schedulable compute nodes.

  Actual result
  =============
  'allocation candidate list ' returns non-compute nodes.

  Environment
  ===========
  1. Exact version of OpenStack:

  $ dpkg -l | grep nova
  ii  nova-api-os-compute              2:17.0.13-0ubuntu1~cloud0                                  all          OpenStack Compute - OpenStack Compute API frontend
  ii  nova-common                      2:17.0.13-0ubuntu1~cloud0                                  all          OpenStack Compute - common files
  ii  nova-conductor                   2:17.0.13-0ubuntu1~cloud0                                  all          OpenStack Compute - conductor service
  ii  nova-consoleauth                 2:17.0.13-0ubuntu1~cloud0                                  all          OpenStack Compute - Console Authenticator
  ii  nova-novncproxy                  2:17.0.13-0ubuntu1~cloud0                                  all          OpenStack Compute - NoVNC proxy
  ii  nova-placement-api               2:17.0.13-0ubuntu1~cloud0                                  all          OpenStack Compute - placement API frontend
  ii  nova-scheduler                   2:17.0.13-0ubuntu1~cloud0                                  all          OpenStack Compute - virtual machine scheduler

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