Spawning instances in server group:

+---------------------------------+-----------+-----------+--------------------------------+-----------------+
|             QUOTAS              |           |           |                                |                 |
+----------+----------------------+ min_count | max_count |  number of spawned instances   | Expected result |
|instances | server_group_members |           |           |                                |                 |
+==========+======================+===========+===========+================================+=================+
|    10    |          5           |     3     |     4     |             4                  |        4        |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     6     |     9     |Quota exceeded, too many servers|Group Quota      |
|          |                      |           |           |in group (HTTP 403)             |exceeded         |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     3     |     6     |Quota exceeded, too many servers|        5        |
|          |                      |           |           |in group (HTTP 403)             |                 |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     3     |    11     |Quota exceeded, too many servers|        5        |
|          |                      |           |           |in group (HTTP 403)             |                 |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     6     |    11     |Quota exceeded, too many servers|Group Quota      |
|          |                      |           |           |in group (HTTP 403)             |exceeded         |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     3     |     -     |             3                  |        3        |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     6     |     -     |Quota exceeded, too many servers|Group Quota      |
|          |                      |           |           |in group (HTTP 403)             |exceeded         |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     11    |     -     |Quota exceeded for instances:   |Servers Quota    |
|          |                      |           |           |Requested 11, but already used 0|exceeded         |
|          |                      |           |           | of 10 instances                |                 |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     -     |     3     |             3                  |        3        |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     -     |     6     |Quota exceeded, too many servers|Group Quota      |
|          |                      |           |           |in group (HTTP 403)             |exceeded         |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+
|    10    |          5           |     -     |     11    |Quota exceeded, too many servers|Group Quota      |
|          |                      |           |           |in group (HTTP 403)             |exceeded         |
+----------+----------------------+-----------+-----------+--------------------------------+-----------------+


Spawning instances without server group:
+----------------+-----------+-----------+-----------------------------+
|quota_instances | min_count | max_count | number of spawned instances |
+================+===========+===========+=============================+
|      10        |     3     |     4     |             4               |
+----------------+-----------+-----------+-----------------------------+
|      10        |     3     |    11     |             10              |
+----------------+-----------+-----------+-----------------------------+
|      10        |     3     |     -     |             3               |
+----------------+-----------+-----------+-----------------------------+
|      10        |     11    |     -     |Quota exceeded for instances:|
|                |           |           |Requested 11, but already    |
|                |           |           |used 0 of 10 instances       |
+----------------+-----------+-----------+-----------------------------+
|      10        |     -     |     3     |             3               |
+----------------+-----------+-----------+-----------------------------+
|      10        |     -     |     11    |             10              |
+----------------+-----------+-----------+-----------------------------+



--------------- Test -----------------
admin@devstack-1:~$ nova quota-show
+-----------------------------+-------+
| Quota                       | Limit |
+-----------------------------+-------+
| instances                   | 10    |
| cores                       | 20    |
| ram                         | 51200 |
| metadata_items              | 128   |
| injected_files              | 5     |
| injected_file_content_bytes | 10240 |
| injected_file_path_bytes    | 255   |
| key_pairs                   | 100   |
| server_groups               | 10    |
| server_group_members        | 5     |
+-----------------------------+-------+

admin@devstack-1:~$ nova server-group-create affinity affinity
+--------------------------------------+----------+----------------------------------+----------------------------------+---------------+---------+----------+
| Id                                   | Name     | Project Id                       | User Id                          | Policies      | Members | Metadata |
+--------------------------------------+----------+----------------------------------+----------------------------------+---------------+---------+----------+
| a2fc6f4b-92c0-4430-ada8-a1289d089219 | affinity | 813a9a556ded434599269129b633932e | 099aa0162bae40a2a0fc3d46421f4af8 | [u'affinity'] | []      | {}       |
+--------------------------------------+----------+----------------------------------+----------------------------------+---------------+---------+----------+