nova/nova/tests/db/fakes.py

463 lines
17 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
# Copyright 2010 OpenStack, LLC
# All Rights Reserved.
#
# 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.
"""Stubouts, mocks and fixtures for the test suite"""
from nova import db
from nova import exception
class FakeModel(object):
"""Stubs out for model."""
def __init__(self, values):
self.values = values
def __getattr__(self, name):
return self.values[name]
def __getitem__(self, key):
if key in self.values:
return self.values[key]
else:
raise NotImplementedError()
def __repr__(self):
return '<FakeModel: %s>' % self.values
def stub_out(stubs, funcs):
"""Set the stubs in mapping in the db api."""
for func in funcs:
func_name = '_'.join(func.__name__.split('_')[1:])
stubs.Set(db, func_name, func)
def stub_out_db_network_api(stubs):
network_fields = {'id': 0,
'cidr': '192.168.0.0/24',
'netmask': '255.255.255.0',
'cidr_v6': 'dead:beef::/64',
'netmask_v6': '64',
'project_id': 'fake',
'label': 'fake',
'gateway': '192.168.0.1',
'bridge': 'fa0',
'bridge_interface': 'fake_fa0',
'broadcast': '192.168.0.255',
'gateway_v6': 'dead:beef::1',
'dns': '192.168.0.1',
'vlan': None,
'host': None,
'injected': False,
'vpn_public_address': '192.168.0.2'}
fixed_ip_fields = {'id': 0,
'network_id': 0,
'network': FakeModel(network_fields),
'address': '192.168.0.100',
'instance': False,
'instance_id': 0,
'allocated': False,
'virtual_interface_id': 0,
'virtual_interface': None,
'floating_ips': []}
flavor_fields = {'id': 0,
'rxtx_cap': 3}
floating_ip_fields = {'id': 0,
'address': '192.168.1.100',
'fixed_ip_id': None,
'fixed_ip': None,
'project_id': None,
'pool': 'nova',
'auto_assigned': False}
virtual_interface_fields = {'id': 0,
'address': 'DE:AD:BE:EF:00:00',
'network_id': 0,
'instance_id': 0,
'network': FakeModel(network_fields)}
fixed_ips = [fixed_ip_fields]
floating_ips = [floating_ip_fields]
virtual_interfacees = [virtual_interface_fields]
networks = [network_fields]
def fake_floating_ip_allocate_address(context, project_id, pool):
ips = filter(lambda i: i['fixed_ip_id'] is None \
and i['project_id'] is None \
and i['pool'] == pool,
floating_ips)
if not ips:
raise exception.NoMoreFloatingIps()
ips[0]['project_id'] = project_id
return FakeModel(ips[0])
def fake_floating_ip_deallocate(context, address):
ips = filter(lambda i: i['address'] == address,
floating_ips)
if ips:
ips[0]['project_id'] = None
ips[0]['auto_assigned'] = False
def fake_floating_ip_disassociate(context, address):
ips = filter(lambda i: i['address'] == address,
floating_ips)
if ips:
fixed_ip_address = None
if ips[0]['fixed_ip']:
fixed_ip_address = ips[0]['fixed_ip']['address']
ips[0]['fixed_ip'] = None
ips[0]['host'] = None
return fixed_ip_address
def fake_floating_ip_fixed_ip_associate(context, floating_address,
fixed_address, host):
float = filter(lambda i: i['address'] == floating_address,
floating_ips)
fixed = filter(lambda i: i['address'] == fixed_address,
fixed_ips)
if float and fixed:
float[0]['fixed_ip'] = fixed[0]
float[0]['fixed_ip_id'] = fixed[0]['id']
float[0]['host'] = host
def fake_floating_ip_get_all_by_host(context, host):
# TODO(jkoelker): Once we get the patches that remove host from
# the floating_ip table, we'll need to stub
# this out
pass
def fake_floating_ip_get_by_address(context, address):
if isinstance(address, FakeModel):
# NOTE(tr3buchet): yo dawg, i heard you like addresses
address = address['address']
ips = filter(lambda i: i['address'] == address,
floating_ips)
if not ips:
raise exception.FloatingIpNotFoundForAddress(address=address)
return FakeModel(ips[0])
def fake_floating_ip_set_auto_assigned(contex, address):
ips = filter(lambda i: i['address'] == address,
floating_ips)
if ips:
ips[0]['auto_assigned'] = True
def fake_fixed_ip_associate(context, address, instance_id):
ips = filter(lambda i: i['address'] == address,
fixed_ips)
if not ips:
raise exception.NoMoreFixedIps()
ips[0]['instance'] = True
ips[0]['instance_id'] = instance_id
def fake_fixed_ip_associate_pool(context, network_id, instance_id):
ips = filter(lambda i: (i['network_id'] == network_id \
or i['network_id'] is None) \
and not i['instance'],
fixed_ips)
if not ips:
raise exception.NoMoreFixedIps()
ips[0]['instance'] = True
ips[0]['instance_id'] = instance_id
return ips[0]['address']
def fake_fixed_ip_create(context, values):
ip = dict(fixed_ip_fields)
ip['id'] = max([i['id'] for i in fixed_ips] or [-1]) + 1
for key in values:
ip[key] = values[key]
return ip['address']
def fake_fixed_ip_disassociate(context, address):
ips = filter(lambda i: i['address'] == address,
fixed_ips)
if ips:
ips[0]['instance_id'] = None
ips[0]['instance'] = None
ips[0]['virtual_interface'] = None
ips[0]['virtual_interface_id'] = None
def fake_fixed_ip_disassociate_all_by_timeout(context, host, time):
return 0
def fake_fixed_ip_get_by_instance(context, instance_id):
ips = filter(lambda i: i['instance_id'] == instance_id,
fixed_ips)
return [FakeModel(i) for i in ips]
def fake_fixed_ip_get_by_address(context, address):
ips = filter(lambda i: i['address'] == address,
fixed_ips)
if ips:
return FakeModel(ips[0])
def fake_fixed_ip_get_network(context, address):
ips = filter(lambda i: i['address'] == address,
fixed_ips)
if ips:
nets = filter(lambda n: n['id'] == ips[0]['network_id'],
networks)
if nets:
return FakeModel(nets[0])
def fake_fixed_ip_update(context, address, values):
ips = filter(lambda i: i['address'] == address,
fixed_ips)
if ips:
for key in values:
ips[0][key] = values[key]
if key == 'virtual_interface_id':
vif = filter(lambda x: x['id'] == values[key],
virtual_interfacees)
if not vif:
continue
fixed_ip_fields['virtual_interface'] = FakeModel(vif[0])
def fake_instance_type_get(context, id):
if flavor_fields['id'] == id:
return FakeModel(flavor_fields)
def fake_virtual_interface_create(context, values):
vif = dict(virtual_interface_fields)
vif['id'] = max([m['id'] for m in virtual_interfacees] or [-1]) + 1
for key in values:
vif[key] = values[key]
return FakeModel(vif)
def fake_virtual_interface_delete_by_instance(context, instance_id):
addresses = [m for m in virtual_interfacees \
if m['instance_id'] == instance_id]
try:
for address in addresses:
virtual_interfacees.remove(address)
except ValueError:
pass
def fake_virtual_interface_get_by_instance(context, instance_id):
return [FakeModel(m) for m in virtual_interfacees \
if m['instance_id'] == instance_id]
def fake_virtual_interface_get_by_instance_and_network(context,
instance_id,
network_id):
vif = filter(lambda m: m['instance_id'] == instance_id and \
m['network_id'] == network_id,
virtual_interfacees)
if not vif:
return None
return FakeModel(vif[0])
def fake_network_create_safe(context, values):
net = dict(network_fields)
net['id'] = max([n['id'] for n in networks] or [-1]) + 1
for key in values:
net[key] = values[key]
return FakeModel(net)
def fake_network_get(context, network_id):
net = filter(lambda n: n['id'] == network_id, networks)
if not net:
return None
return FakeModel(net[0])
def fake_network_get_all(context):
return [FakeModel(n) for n in networks]
def fake_network_get_all_by_host(context, host):
nets = filter(lambda n: n['host'] == host, networks)
return [FakeModel(n) for n in nets]
def fake_network_get_all_by_instance(context, instance_id):
nets = filter(lambda n: n['instance_id'] == instance_id, networks)
return [FakeModel(n) for n in nets]
def fake_network_set_host(context, network_id, host_id):
nets = filter(lambda n: n['id'] == network_id, networks)
for net in nets:
net['host'] = host_id
return host_id
def fake_network_update(context, network_id, values):
nets = filter(lambda n: n['id'] == network_id, networks)
for net in nets:
for key in values:
net[key] = values[key]
def fake_project_get_networks(context, project_id):
return [FakeModel(n) for n in networks \
if n['project_id'] == project_id]
def fake_queue_get_for(context, topic, node):
return "%s.%s" % (topic, node)
funcs = [fake_floating_ip_allocate_address,
fake_floating_ip_deallocate,
fake_floating_ip_disassociate,
fake_floating_ip_fixed_ip_associate,
fake_floating_ip_get_all_by_host,
fake_floating_ip_get_by_address,
fake_floating_ip_set_auto_assigned,
fake_fixed_ip_associate,
fake_fixed_ip_associate_pool,
fake_fixed_ip_create,
fake_fixed_ip_disassociate,
fake_fixed_ip_disassociate_all_by_timeout,
fake_fixed_ip_get_by_instance,
fake_fixed_ip_get_by_address,
fake_fixed_ip_get_network,
fake_fixed_ip_update,
fake_instance_type_get,
fake_virtual_interface_create,
fake_virtual_interface_delete_by_instance,
fake_virtual_interface_get_by_instance,
fake_virtual_interface_get_by_instance_and_network,
fake_network_create_safe,
fake_network_get,
fake_network_get_all,
fake_network_get_all_by_host,
fake_network_get_all_by_instance,
fake_network_set_host,
fake_network_update,
fake_project_get_networks,
fake_queue_get_for]
stub_out(stubs, funcs)
def stub_out_db_instance_api(stubs, injected=True):
"""Stubs out the db API for creating Instances."""
INSTANCE_TYPES = {
'm1.tiny': dict(id=2,
memory_mb=512,
vcpus=1,
local_gb=0,
flavorid=1,
rxtx_cap=1,
swap=0),
'm1.small': dict(id=5,
memory_mb=2048,
vcpus=1,
local_gb=20,
flavorid=2,
rxtx_cap=2,
swap=0),
'm1.medium':
dict(id=1,
memory_mb=4096,
vcpus=2,
local_gb=40,
flavorid=3,
rxtx_cap=3,
swap=0),
'm1.large': dict(id=3,
memory_mb=8192,
vcpus=4,
local_gb=80,
flavorid=4,
rxtx_cap=4,
swap=0),
'm1.xlarge':
dict(id=4,
memory_mb=16384,
vcpus=8,
local_gb=160,
flavorid=5,
rxtx_cap=5,
swap=0)}
flat_network_fields = {'id': 'fake_flat',
'bridge': 'xenbr0',
'label': 'fake_flat_network',
'netmask': '255.255.255.0',
'cidr_v6': 'fe80::a00:0/120',
'netmask_v6': '120',
'gateway': '10.0.0.1',
'gateway_v6': 'fe80::a00:1',
'broadcast': '10.0.0.255',
'dns': '10.0.0.2',
'ra_server': None,
'injected': injected}
vlan_network_fields = {'id': 'fake_vlan',
'bridge': 'br111',
'label': 'fake_vlan_network',
'netmask': '255.255.255.0',
'cidr_v6': 'fe80::a00:0/120',
'netmask_v6': '120',
'gateway': '10.0.0.1',
'gateway_v6': 'fe80::a00:1',
'broadcast': '10.0.0.255',
'dns': '10.0.0.2',
'ra_server': None,
'vlan': 111,
'injected': False}
fixed_ip_fields = {'address': '10.0.0.3',
'address_v6': 'fe80::a00:3',
'network_id': 'fake_flat'}
def fake_instance_type_get_all(context, inactive=0, filters=None):
return INSTANCE_TYPES.values()
def fake_instance_type_get_by_name(context, name):
return INSTANCE_TYPES[name]
def fake_instance_type_get(context, id):
for name, inst_type in INSTANCE_TYPES.iteritems():
if str(inst_type['id']) == str(id):
return inst_type
return None
def fake_network_get_by_instance(context, instance_id):
# Even instance numbers are on vlan networks
if instance_id % 2 == 0:
return FakeModel(vlan_network_fields)
else:
return FakeModel(flat_network_fields)
def fake_network_get_all_by_instance(context, instance_id):
# Even instance numbers are on vlan networks
if instance_id % 2 == 0:
return [FakeModel(vlan_network_fields)]
else:
return [FakeModel(flat_network_fields)]
def fake_instance_get_fixed_addresses(context, instance_id):
return [FakeModel(fixed_ip_fields).address]
def fake_instance_get_fixed_addresses_v6(context, instance_id):
return [FakeModel(fixed_ip_fields).address]
def fake_fixed_ip_get_by_instance(context, instance_id):
return [FakeModel(fixed_ip_fields)]
funcs = [fake_network_get_by_instance,
fake_network_get_all_by_instance,
fake_instance_type_get_all,
fake_instance_type_get_by_name,
fake_instance_type_get,
fake_instance_get_fixed_addresses,
fake_instance_get_fixed_addresses_v6,
fake_network_get_all_by_instance,
fake_fixed_ip_get_by_instance]
stub_out(stubs, funcs)