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[Matt Riedemann <mriedem.os@xxxxxxxxx>]

** Also affects: nova/queens
   Importance: Undecided
       Status: New

** Also affects: nova/pike
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1780373

Title:
  server_group_members quota check failure with multi-create

Status in OpenStack Compute (nova):
  In Progress
Status in OpenStack Compute (nova) pike series:
  New
Status in OpenStack Compute (nova) queens series:
  New

Bug description:
  Circumstance:
  When multi-creating a quota-exceeding number of instances in a server group, it will pass server_group_members quota check.

  Actual result:
  Servers successfully created.

  Expected result:
  Raising QuotaExceeded API exception.

  Reproduce steps (Queen):
  1 nova server-group-create sg affinity (policy shouldn't matter)
  2 set in nova.conf server_group_members=2 (so we don't need to create too many servers to test)
  3 nova boot --flavor flavor --net net-name=netname --image image --max-count 3 server-name
  Then we will see all 3 servers created successfully, violating server_group_members quota policy.

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