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[Augustina Ragwitz <1561310@xxxxxxxxxxxxxxxxxx>]

Marking this as invalid for Nova per last comment.

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

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https://bugs.launchpad.net/bugs/1561310

Title:
  dashboard displays wrong quotas

Status in OpenStack Dashboard (Horizon):
  In Progress
Status in OpenStack Compute (nova):
  Invalid

Bug description:
  1. User try to  boot a new vm by click the button "+ Launch Instance"  in dashboard web->project->compute->instances.
  2. But the button "+ Launch Instance"  is disabled and shows "quota exceeded".
  3. Then user go to dashboard web->project->compute->overview perspective, but find Instances,VCPU and RAM haven't exceed 
  the quotas. In this case, it's shows like below:
  Instances
  Used 8 of 10
  VCPUs
  Used 18 of 20
  RAM
  Used 512MB of 50.0GB 
  This will confuse the user, is there anything incorrect?

  root cause: 
  I think one of the root cause is that the current project have another work, such as rebuilding vm, which obtail some quotas and mark
  the 'reserved' fields(nova->quota_usages table) to a none zero value .
  So I select *  from nova.quota_usages where project_id = 'current project id', and find thati in  the row 'cores' , the 'reserved' = 2. Because of this,  the VCPU is actually Used 10 of 10. 
  Excepted result:
  The 'reserved' quota should also be taken as an used quota ,and so in dashboard web->project->compute->overview perspectiv, it should shows as below:
  VCPUs
  Used 20 of 20.

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