Openstack hypervisor not showing actual CPU and RAM available in the node.

Issue

• Openstack hypervisor not showing actual CPU and RAM available in the node.
• Openstack hypervisor status not showing the actual available resources of node in CLI and GUI

• The hypervisor details of the existing nodes:

  [stack@instack ~]$ openstack hypervisor list
  +----+---------------------------------+
  | ID | Hypervisor Hostname             |
  +----+---------------------------------+
  |  2 | overcloud-compute-1.localdomain |
  |  5 | overcloud-compute-2.localdomain |
  |  8 | overcloud-compute-0.localdomain |
  | 11 | overcloud-compute-5.localdomain |
  | 14 | overcloud-compute-4.localdomain |
  | 17 | overcloud-compute-3.localdomain |
  +----+---------------------------------+
  

  [stack@instack ~]$ nova host-describe overcloud-compute-0.localdomain
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | HOST                      | PROJECT                          | cpu | memory_mb | disk_gb |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | overcloud-compute-0.localdomain | (total)                          | 72  | 163437    | 557     |
  | overcloud-compute-0.localdomain | (used_now)                       | 45  | 45568     | 191     |
  | overcloud-compute-0.localdomain | (used_max)                       | 45  | 43520     | 191     |
  | overcloud-compute-0.localdomain | 6f3ff848b59541409602f5626327cf5d | 37  | 32768     | 110     |
  | overcloud-compute-0.localdomain | 5e9a3f260be74c53a45dc19cae17bd73 | 2   | 2560      | 21      |
  | overcloud-compute-0.localdomain | 6a49ddb475bb4b35b58d892ce43ed6d1 | 6   | 8192      | 60      |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  

  [stack@instack ~]$ nova host-describe overcloud-compute-1.localdomain
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | HOST                      | PROJECT                                | cpu | memory_mb | disk_gb |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | overcloud-compute-1.localdomain | (total)                          | 72  | 163437    | 557     |
  | overcloud-compute-1.localdomain | (used_now)                       | 44  | 45056     | 120     |
  | overcloud-compute-1.localdomain | (used_max)                       | 44  | 43008     | 120     |
  | overcloud-compute-1.localdomain | 6f3ff848b59541409602f5626327cf5d | 42  | 40960     | 110     |
  | overcloud-compute-1.localdomain | 6a49ddb475bb4b35b58d892ce43ed6d1 | 2   | 2048      | 10      |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  

  [stack@instack ~]$ nova host-describe overcloud-compute-2.localdomain
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | HOST                      | PROJECT                                | cpu | memory_mb | disk_gb |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | overcloud-compute-2.localdomain | (total)                          | 72  | 163437    | 557     |
  | overcloud-compute-2.localdomain | (used_now)                       | 50  | 45056     | 110     |
  | overcloud-compute-2.localdomain | (used_max)                       | 50  | 43008     | 110     |
  | overcloud-compute-2.localdomain | 6f3ff848b59541409602f5626327cf5d | 50  | 43008     | 110     |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  

  [stack@instack ~]$ nova host-describe overcloud-compute-3.localdomain
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | HOST                      | PROJECT                                | cpu | memory_mb | disk_gb |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | overcloud-compute-3.localdomain | (total)                          | 72  | 163437    | 557     |
  | overcloud-compute-3.localdomain | (used_now)                       | 50  | 45056     | 110     |
  | overcloud-compute-3.localdomain | (used_max)                       | 50  | 43008     | 110     |
  | overcloud-compute-3.localdomain | 6f3ff848b59541409602f5626327cf5d | 50  | 43008     | 110     |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  

  [stack@instack ~]$ nova host-describe overcloud-compute-4.localdomain
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | HOST                      | PROJECT                                | cpu | memory_mb | disk_gb |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | overcloud-compute-4.localdomain | (total)                          | 72  | 163437    | 557     |
  | overcloud-compute-4.localdomain | (used_now)                       | 46  | 45056     | 110     |
  | overcloud-compute-4.localdomain | (used_max)                       | 48  | 45056     | 120     |
  | overcloud-compute-4.localdomain | 6f3ff848b59541409602f5626327cf5d | 46  | 43008     | 110     |
  | overcloud-compute-4.localdomain | 6a49ddb475bb4b35b58d892ce43ed6d1 | 2   | 2048      | 10      |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  

  [stack@instack ~]$ nova host-describe overcloud-compute-5.localdomain
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | HOST                      | PROJECT                                | cpu | memory_mb | disk_gb |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  | overcloud-compute-5.localdomain | (total)                          | 72  | 163437    | 557     |
  | overcloud-compute-5.localdomain | (used_now)                       | 38  | 28672     | 70      |
  | overcloud-compute-5.localdomain | (used_max)                       | 38  | 26624     | 70      |
  | overcloud-compute-5.localdomain | 6f3ff848b59541409602f5626327cf5d | 38  | 26624     | 70      |
  +---------------------------+----------------------------------------+-----+-----------+---------+
  

• The openstack hypervisor stats show does not show the actual resource:

  [stack@instack ~]$ openstack hypervisor stats show
  +----------------------+--------+
  | Field                | Value  |
  +----------------------+--------+
  | count                | 5      |
  | current_workload     | 0      |
  | disk_available_least | 2105   |
  | free_disk_gb         | 2144   |
  | free_ram_mb          | 591393 |
  | local_gb             | 2785   |
  | local_gb_used        | 641    |
  | memory_mb            | 817185 |
  | memory_mb_used       | 225792 |
  | running_vms          | 61     |
  | vcpus                | 360    |
  | vcpus_used           | 235    |
  +----+---------------------------+