def test_delete_objects_removes_all_matching_objects(self):
# create some objects with identical description
for i in range(10):
api.create_object(
self.ctxt, self.model,
{'name': 'foo%d' % i, 'description': 'bar'})
# create some more objects with a different description
descriptions = set()
for i in range(10, 20):
desc = 'bar%d' % i
descriptions.add(desc)
api.create_object(
self.ctxt, self.model,
{'name': 'foo%d' % i, 'description': desc})
# make sure that all objects are in the database
self.assertEqual(20, api.count(self.ctxt, self.model))
# now delete just those with the 'bar' description
api.delete_objects(self.ctxt, self.model, description='bar')
# check that half of objects are gone, and remaining have expected
# descriptions
objs = api.get_objects(self.ctxt, self.model)
self.assertEqual(10, len(objs))
self.assertEqual(
descriptions,
{obj.description for obj in objs})
def test_delete_objects_removes_all_matching_objects(self):
# create some objects with identical description
for i in range(10):
api.create_object(self.ctxt, self.model, {
'name': 'foo%d' % i,
'description': 'bar'
})
# create some more objects with a different description
descriptions = set()
for i in range(10, 20):
desc = 'bar%d' % i
descriptions.add(desc)
api.create_object(self.ctxt, self.model, {
'name': 'foo%d' % i,
'description': desc
})
# make sure that all objects are in the database
self.assertEqual(20, api.count(self.ctxt, self.model))
# now delete just those with the 'bar' description
api.delete_objects(self.ctxt, self.model, description='bar')
# check that half of objects are gone, and remaining have expected
# descriptions
objs = api.get_objects(self.ctxt, self.model)
self.assertEqual(10, len(objs))
self.assertEqual(descriptions, {obj.description for obj in objs})
def test_get_object_create_update_delete(self):
obj = api.create_object(self.ctxt, self.model, {'name': 'foo'})
new_obj = api.get_object(self.ctxt, self.model, id=obj.id)
self.assertEqual(obj, new_obj)
obj = new_obj
api.update_object(self.ctxt, self.model, {'name': 'bar'}, id=obj.id)
new_obj = api.get_object(self.ctxt, self.model, id=obj.id)
self.assertEqual(obj, new_obj)
obj = new_obj
api.delete_object(self.ctxt, self.model, id=obj.id)
new_obj = api.get_object(self.ctxt, self.model, id=obj.id)
self.assertIsNone(new_obj)
# delete_object raises an exception on missing object
self.assertRaises(
n_exc.ObjectNotFound,
api.delete_object, self.ctxt, self.model, id=obj.id)
# but delete_objects does not not
api.delete_objects(self.ctxt, self.model, id=obj.id)
def test_get_object_create_update_delete(self):
obj = api.create_object(self.ctxt, self.model, {'name': 'foo'})
new_obj = api.get_object(self.ctxt, self.model, id=obj.id)
self.assertEqual(obj, new_obj)
obj = new_obj
api.update_object(self.ctxt, self.model, {'name': 'bar'}, id=obj.id)
new_obj = api.get_object(self.ctxt, self.model, id=obj.id)
self.assertEqual(obj, new_obj)
obj = new_obj
api.delete_object(self.ctxt, self.model, id=obj.id)
new_obj = api.get_object(self.ctxt, self.model, id=obj.id)
self.assertIsNone(new_obj)
# delete_object raises an exception on missing object
self.assertRaises(n_exc.ObjectNotFound,
api.delete_object,
self.ctxt,
self.model,
id=obj.id)
# but delete_objects does not not
api.delete_objects(self.ctxt, self.model, id=obj.id)
def _attach_security_groups(self, sg_ids):
# TODO(ihrachys): consider introducing an (internal) object for the
# binding to decouple database operations a bit more
obj_db_api.delete_objects(
SecurityGroupPortBinding, self.obj_context, port_id=self.id)
if sg_ids:
for sg_id in sg_ids:
self._attach_security_group(sg_id)
self.security_group_ids = sg_ids
self.obj_reset_changes(['security_group_ids'])
def _attach_security_groups(self, sg_ids):
# TODO(ihrachys): consider introducing an (internal) object for the
# binding to decouple database operations a bit more
obj_db_api.delete_objects(
SecurityGroupPortBinding, self.obj_context, port_id=self.id)
if sg_ids:
for sg_id in sg_ids:
self._attach_security_group(sg_id)
self.security_group_ids = sg_ids
self.obj_reset_changes(['security_group_ids'])
def _set_dns_domain(self, dns_domain):
obj_db_api.delete_objects(
self.obj_context, dns_db.NetworkDNSDomain, network_id=self.id,
)
if dns_domain:
obj_db_api.create_object(
self.obj_context, dns_db.NetworkDNSDomain,
{'network_id': self.id, 'dns_domain': dns_domain}
)
self.dns_domain = dns_domain
self.obj_reset_changes(['dns_domain'])
def _set_dns_domain(self, dns_domain):
obj_db_api.delete_objects(
self.obj_context, dns_db.NetworkDNSDomain, network_id=self.id,
)
if dns_domain:
obj_db_api.create_object(
self.obj_context, dns_db.NetworkDNSDomain,
{'network_id': self.id, 'dns_domain': dns_domain}
)
self.dns_domain = dns_domain
self.obj_reset_changes(['dns_domain'])
def _attach_qos_policy(self, qos_policy_id):
# TODO(ihrachys): introduce an object for the binding to isolate
# database access in a single place, currently scattered between port
# and policy objects
obj_db_api.delete_objects(
self.obj_context, qos_models.QosPortPolicyBinding, port_id=self.id)
if qos_policy_id:
obj_db_api.create_object(
self.obj_context, qos_models.QosPortPolicyBinding,
{'port_id': self.id, 'policy_id': qos_policy_id}
)
self.qos_policy_id = qos_policy_id
self.obj_reset_changes(['qos_policy_id'])
def _attach_qos_policy(self, qos_policy_id):
# TODO(ihrachys): introduce an object for the binding to isolate
# database access in a single place, currently scattered between port
# and policy objects
obj_db_api.delete_objects(
self.obj_context, qos_models.QosPortPolicyBinding, port_id=self.id)
if qos_policy_id:
obj_db_api.create_object(
self.obj_context, qos_models.QosPortPolicyBinding,
{'port_id': self.id, 'policy_id': qos_policy_id}
)
self.qos_policy_id = qos_policy_id
self.obj_reset_changes(['qos_policy_id'])
def delete_objects(cls, context, validate_filters=True, **kwargs):
"""Delete objects that match filtering criteria from DB.
:param context:
:param validate_filters: Raises an error in case of passing an unknown
filter
:param kwargs: multiple keys defined by key=value pairs
:return: Number of entries deleted
"""
if validate_filters:
cls.validate_filters(**kwargs)
with cls.db_context_writer(context):
return obj_db_api.delete_objects(cls, context,
**cls.modify_fields_to_db(kwargs))
def delete_objects(cls, context, validate_filters=True, **kwargs):
"""Delete objects that match filtering criteria from DB.
:param context:
:param validate_filters: Raises an error in case of passing an unknown
filter
:param kwargs: multiple keys defined by key=value pairs
:return: Number of entries deleted
"""
if validate_filters:
cls.validate_filters(**kwargs)
with cls.db_context_writer(context):
return obj_db_api.delete_objects(
cls, context, **cls.modify_fields_to_db(kwargs))
