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[Chris Dent <cdent+lp@xxxxxxxxxxxxx>]

Public bug reported:

In placement API v 1.4 it is possible to make inventories and
allocations that pass the constraints of the jsonschema but are not
correct according to the design of the system. If no values are
provided, the defaults are incorrect as well:

inventories:

* It is possible to make inventories with with a min_unit or max_unit <= 0. min_unit and max_unit minimum should be 1.
* It is possible to create a step size that is <= 0. It's minimum should be 1.
* default for min_unit should be 1 not 0
* default for max_unit should be a big number not 0
* reserved and total need a minimum, probably of 0 and 1 respectively

allocations:

* resource consumption value must have a minimum of 1

** Affects: nova
     Importance: Medium
     Assignee: Ed Leafe (ed-leafe)
         Status: Triaged

** Affects: nova/ocata
     Importance: Medium
         Status: Confirmed


** Tags: placement

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https://bugs.launchpad.net/bugs/1673227

Title:
  placement apis for inventory and allocations use insufficiently robust
  jsonschema

Status in OpenStack Compute (nova):
  Triaged
Status in OpenStack Compute (nova) ocata series:
  Confirmed

Bug description:
  In placement API v 1.4 it is possible to make inventories and
  allocations that pass the constraints of the jsonschema but are not
  correct according to the design of the system. If no values are
  provided, the defaults are incorrect as well:

  inventories:

  * It is possible to make inventories with with a min_unit or max_unit <= 0. min_unit and max_unit minimum should be 1.
  * It is possible to create a step size that is <= 0. It's minimum should be 1.
  * default for min_unit should be 1 not 0
  * default for max_unit should be a big number not 0
  * reserved and total need a minimum, probably of 0 and 1 respectively

  allocations:

  * resource consumption value must have a minimum of 1

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