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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: oslo
       Status: Fix Committed => Fix Released

** Changed in: oslo
    Milestone: None => havana-3

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https://bugs.launchpad.net/bugs/1208400

Title:
  User quota update should not exceed project quota

Status in OpenStack Compute (Nova):
  Fix Released
Status in Oslo - a Library of Common OpenStack Code:
  Fix Released

Bug description:
  Currently, user quota could be updated exceed the project quota, if
  the user quota was not set before.

  Reproduce:
  # keystone tenant-list
  +----------------------------------+------------------+---------+
  |                id                |       name       | enabled |
  +----------------------------------+------------------+---------+
  | 21f7a02dbfd94979b83b3b551c78e380 |      admin       |   True  |
  | ebe1d1e9734143f0a0939166c546347a |     service      |   True  |
  | 846576498dc24660943784e25e2b5b1a |       test       |   True  |
  +----------------------------------+------------------+---------+

  # keystone user-list --tenant-id 846576498dc24660943784e25e2b5b1a
  +----------------------------------+--------+---------+-----------------+
  |                id                |  name  | enabled |      email      |
  +----------------------------------+--------+---------+-----------------+
  | 6a120d1a6034481fa7e905d422dceb76 |  test  |   True  |  test@xxxxxxxx  |
  +----------------------------------+--------+---------+-----------------+

  Set quota for project:
  # nova-manage project quota --project 846576498dc24660943784e25e2b5b1a --key instances --value 3
  Quota                                Limit      In Use     Reserved  
  metadata_items                       128        0          0         
  injected_file_content_bytes          10240      0          0         
  ram                                  51200      0          0         
  floating_ips                         10         0          0         
  security_group_rules                 20         0          0         
  instances                            3          0          0         
  key_pairs                            100        0          0         
  injected_files                       5          0          0         
  cores                                20         0          0         
  fixed_ips                            unlimited  0          0         
  injected_file_path_bytes             255        0          0         
  security_groups                      10         0          0 

  Set quota for user under the project:
  # nova-manage project quota --project 846576498dc24660943784e25e2b5b1a --user 6a120d1a6034481fa7e905d422dceb76 --key instances --value 4
  Quota                                Limit      In Use     Reserved  
  metadata_items                       128        0          0         
  injected_file_content_bytes          10240      0          0         
  ram                                  51200      0          0         
  floating_ips                         10         0          0         
  security_group_rules                 20         0          0         
  instances                            4          0          0         
  key_pairs                            100        0          0         
  injected_files                       5          0          0         
  cores                                20         0          0         
  fixed_ips                            unlimited  0          0         
  injected_file_path_bytes             255        0          0         
  security_groups                      10         0          0 

  Set quota for user under the project again:
  # nova-manage project quota --project 846576498dc24660943784e25e2b5b1a --user 6a120d1a6034481fa7e905d422dceb76 --key instances --value 4
  Quota limit must less than 3.

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