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[Paul Karikh <pkarikh@xxxxxxxxxxxx>]

Public bug reported:

If we set OPENSTACK_NEUTRON_NETWORK= {'enable_quotas': False}, "Create
subnet" button dissapears and we get the following error:

Error while checking action permissions.
Traceback (most recent call last):
  File "horizon/horizon/tables/base.py", line 1278, in _filter_action
    return action._allowed(request, datum) and row_matched
  File "horizon/horizon/tables/actions.py", line 136, in _allowed
    self.allowed(request, datum))
  File "horizon/openstack_dashboard/dashboards/project/networks/subnets/tables.py", line 103, in allowed
    if usages['subnets']['available'] <= 0:
KeyError: 'available'
Error while checking action permissions.

Steps to reproduce:
1) Set 'enable_quotas': False in OPENSTACK_NEUTRON_NETWORK
2) Restart Horizon
3) Go to Project/Networks
4) Click on any network
5) Note that you've got "Delete" button, but there is no "Create" button
6) Enable neutron quotas again and make sure that "Create" button appeared


There were already patch[1] for fixing this but looks like this piece of code has been missed.

[1]
https://github.com/openstack/horizon/commit/5ba219acbfddb9b9308a75da361fda915ba61f37
#diff-6f73ca5e50c3e694b8147669832912baR2152

** Affects: horizon
     Importance: Undecided
     Assignee: Paul Karikh (pkarikh)
         Status: In Progress

** Changed in: horizon
     Assignee: (unassigned) => Paul Karikh (pkarikh)

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https://bugs.launchpad.net/bugs/1567529

Title:
  Disabled neutron quota break "Create subnet" button

Status in OpenStack Dashboard (Horizon):
  In Progress

Bug description:
  If we set OPENSTACK_NEUTRON_NETWORK= {'enable_quotas': False}, "Create
  subnet" button dissapears and we get the following error:

  Error while checking action permissions.
  Traceback (most recent call last):
    File "horizon/horizon/tables/base.py", line 1278, in _filter_action
      return action._allowed(request, datum) and row_matched
    File "horizon/horizon/tables/actions.py", line 136, in _allowed
      self.allowed(request, datum))
    File "horizon/openstack_dashboard/dashboards/project/networks/subnets/tables.py", line 103, in allowed
      if usages['subnets']['available'] <= 0:
  KeyError: 'available'
  Error while checking action permissions.

  Steps to reproduce:
  1) Set 'enable_quotas': False in OPENSTACK_NEUTRON_NETWORK
  2) Restart Horizon
  3) Go to Project/Networks
  4) Click on any network
  5) Note that you've got "Delete" button, but there is no "Create" button
  6) Enable neutron quotas again and make sure that "Create" button appeared

  
  There were already patch[1] for fixing this but looks like this piece of code has been missed.

  [1]
  https://github.com/openstack/horizon/commit/5ba219acbfddb9b9308a75da361fda915ba61f37
  #diff-6f73ca5e50c3e694b8147669832912baR2152

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