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[Alessandro Pilotti <1409258@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Nova expects the hypervisor version to be reported as an int.

Although undocumented, the int is converted back to a version number x.y.z by splitting the int in groups of 3 decimal digits:
See: https://github.com/openstack/nova/blob/master/nova/utils.py#L1016

The hyper-v driver reports the OS version by removing the "." in the
version, so 6.3.9600 (Hyper-V 2012 R2) becomes 639600, which once
translated becomes 639.600, which is incorrect.

This is needed by image scheduler filters that use
"requests_hypervisor_version=x.y.z" to request a minimum hypervisor
version.

** Affects: nova
     Importance: Medium
     Assignee: Claudiu Belu (cbelu)
         Status: Triaged


** Tags: hyper-v

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https://bugs.launchpad.net/bugs/1409258

Title:
  Version number is not reported properly by the Hyper-V driver

Status in OpenStack Compute (Nova):
  Triaged

Bug description:
  Nova expects the hypervisor version to be reported as an int.

  Although undocumented, the int is converted back to a version number x.y.z by splitting the int in groups of 3 decimal digits:
  See: https://github.com/openstack/nova/blob/master/nova/utils.py#L1016

  The hyper-v driver reports the OS version by removing the "." in the
  version, so 6.3.9600 (Hyper-V 2012 R2) becomes 639600, which once
  translated becomes 639.600, which is incorrect.

  This is needed by image scheduler filters that use
  "requests_hypervisor_version=x.y.z" to request a minimum hypervisor
  version.

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