def limit_check(self, context, resources, values, project_id=None,
user_id=None):
"""Check simple quota limits.
For limits--those quotas for which there is no usage
synchronization function--this method checks that a set of
proposed values are permitted by the limit restriction.
This method will raise a QuotaResourceUnknown exception if a
given resource is unknown or if it is not a simple limit
resource.
If any of the proposed values is over the defined quota, an
OverQuota exception will be raised with the sorted list of the
resources which are too high. Otherwise, the method returns
nothing.
:param context: The request context, for access checks.
:param resources: A dictionary of the registered resources.
:param values: A dictionary of the values to check against the
quota.
:param project_id: Specify the project_id if current context
is admin and admin wants to impact on
common user's tenant.
:param user_id: Specify the user_id if current context
is admin and admin wants to impact on
common user.
"""
# Ensure no value is less than zero
unders = [key for key, val in values.items() if val < 0]
if unders:
raise exception.InvalidQuotaValue(unders=sorted(unders))
# If project_id is None, then we use the project_id in context
if project_id is None:
project_id = context.project_id
# If user id is None, then we use the user_id in context
if user_id is None:
user_id = context.user_id
# Get the applicable quotas
quotas = self._get_quotas(context, resources, values.keys(),
has_sync=False, project_id=project_id)
user_quotas = self._get_quotas(context, resources, values.keys(),
has_sync=False, project_id=project_id,
user_id=user_id)
# Check the quotas and construct a list of the resources that
# would be put over limit by the desired values
overs = [key for key, val in values.items()
if (quotas[key] >= 0 and quotas[key] < val) or
(user_quotas[key] >= 0 and user_quotas[key] < val)]
if overs:
raise exception.OverQuota(overs=sorted(overs), quotas=quotas,
usages={})
def test_invalid_quota_value(self):
# Verify response code for exception.InvalidQuotaValue
unders = '-1'
e = exception.InvalidQuotaValue(unders=unders)
self.assertEqual(400, e.code)
def test_invalid_quota_value(self):
# Verify response code for exception.InvalidQuotaValue
e = exception.InvalidQuotaValue()
self.assertEqual(e.code, 400)