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# Copyright 2013 IBM Corp.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import datetime
from oslo_serialization import jsonutils
from oslo_utils import uuidutils
from nova import objects
from nova.objects import fields
def fake_db_secgroups(instance, names):
secgroups = []
for i, name in enumerate(names):
group_name = 'secgroup-%i' % i
if isinstance(name, dict) and name.get('name'):
group_name = name.get('name')
secgroups.append(
{'id': i,
'instance_uuid': instance['uuid'],
'name': group_name,
'description': 'Fake secgroup',
'user_id': instance['user_id'],
'project_id': instance['project_id'],
'deleted': False,
'deleted_at': None,
'created_at': None,
'updated_at': None,
})
return secgroups
def fake_db_instance(**updates):
if 'flavor' in updates:
if isinstance(updates['flavor'], objects.Flavor):
flavor = updates['flavor']
else:
flavor = objects.Flavor(**updates['flavor'])
flavorinfo = jsonutils.dumps({
'cur': flavor.obj_to_primitive(),
'old': None,
'new': None,
})
else:
flavorinfo = None
db_instance = {
'id': 1,
'deleted': False,
'uuid': uuidutils.generate_uuid(),
'user_id': 'fake-user',
'project_id': 'fake-project',
'host': 'fake-host',
'created_at': datetime.datetime(1955, 11, 5),
'pci_devices': [],
'security_groups': [],
'metadata': {},
'system_metadata': {},
'root_gb': 0,
'ephemeral_gb': 0,
'extra': {'pci_requests': None,
'flavor': flavorinfo,
'numa_topology': None,
'vcpu_model': None,
'device_metadata': None,
'trusted_certs': None,
'resources': None,
},
'tags': [],
'services': []
}
for name, field in objects.Instance.fields.items():
if name in db_instance:
continue
if field.nullable:
db_instance[name] = None
elif field.default != fields.UnspecifiedDefault:
db_instance[name] = field.default
elif name in ['flavor', 'ec2_ids', 'keypairs']:
pass
else:
raise Exception('fake_db_instance needs help with %s' % name)
if updates:
db_instance.update(updates)
if db_instance.get('security_groups'):
db_instance['security_groups'] = fake_db_secgroups(
db_instance, db_instance['security_groups'])
return db_instance
def fake_instance_obj(context, obj_instance_class=None, **updates):
if obj_instance_class is None:
obj_instance_class = objects.Instance
expected_attrs = updates.pop('expected_attrs', None)
flavor = updates.pop('flavor', None)
if not flavor:
flavor = objects.Flavor(id=1, name='flavor1',
memory_mb=256, vcpus=1,
root_gb=1, ephemeral_gb=1,
flavorid='1',
swap=0, rxtx_factor=1.0,
vcpu_weight=1,
disabled=False,
is_public=True,
extra_specs={},
projects=[])
inst = obj_instance_class._from_db_object(context,
obj_instance_class(), fake_db_instance(**updates),
expected_attrs=expected_attrs)
inst.keypairs = objects.KeyPairList(objects=[])
inst.tags = objects.TagList()
if flavor:
inst.flavor = flavor
# This is needed for instance quota counting until we have the
# ability to count allocations in placement.
if 'vcpus' in flavor and 'vcpus' not in updates:
inst.vcpus = flavor.vcpus
if 'memory_mb' in flavor and 'memory_mb' not in updates:
inst.memory_mb = flavor.memory_mb
if ('instance_type_id' not in inst or
inst.instance_type_id is None and
'id' in flavor):
inst.instance_type_id = flavor.id
inst.old_flavor = None
inst.new_flavor = None
inst.resources = None
inst.migration_context = None
inst.obj_reset_changes(recursive=True)
return inst
def fake_fault_obj(context, instance_uuid, code=404,
message='HTTPNotFound',
details='Stock details for test',
**updates):
fault = {
'id': 1,
'instance_uuid': instance_uuid,
'code': code,
'message': message,
'details': details,
'host': 'fake_host',
'deleted': False,
'created_at': datetime.datetime(2010, 10, 10, 12, 0, 0),
'updated_at': None,
'deleted_at': None
}
if updates:
fault.update(updates)
return objects.InstanceFault._from_db_object(context,
objects.InstanceFault(),
fault)
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