/
test_models.py
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/
test_models.py
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import uuid
from unittest import TestCase
from mock import Mock, patch
from vnc_api.vnc_api import Project, SecurityGroup
from cvm.models import (ID_PERMS, VCenterPort, VirtualMachineInterfaceModel,
VirtualMachineModel, VirtualNetworkModel, VlanIdPool,
find_virtual_machine_ip_address)
from tests.utils import (create_dpg_mock, create_port_mock,
create_vmware_vm_mock)
class TestFindVirtualMachineIpAddress(TestCase):
def setUp(self):
self.vm = Mock()
def test_standard_case(self):
desired_portgroup, expected_ip = 'second', '10.7.0.60'
self.vm.guest.net = [
self._create_mock(
network='first',
ipAddress=['1.1.1.1', 'fe80::257:56ff:fe90:d265'],
),
self._create_mock(
network=desired_portgroup,
ipAddress=['fe80::250:56ff:fe90:d265', expected_ip],
),
]
result = find_virtual_machine_ip_address(self.vm, desired_portgroup)
self.assertEqual(result, expected_ip)
def test_unmatched_portgroup_name(self):
desired_portgroup, expected_ip = 'non-existent', None
self.vm.guest.net = [
self._create_mock(
network='first',
ipAddress=['1.1.1.1', 'fe80::257:56ff:fe90:d265'],
),
self._create_mock(
network='second',
ipAddress=['fe80::250:56ff:fe90:d265', expected_ip],
),
]
result = find_virtual_machine_ip_address(self.vm, desired_portgroup)
self.assertEqual(result, expected_ip)
def test_unmatched_ip_type(self):
desired_portgroup, expected_ip = 'second', None
self.vm.guest.net = [
self._create_mock(
network='first',
ipAddress=['1.1.1.1', 'fe80::257:56ff:fe90:d265'],
),
self._create_mock(
network=desired_portgroup,
ipAddress=['fe80::250:56ff:fe90:d265'],
),
]
result = find_virtual_machine_ip_address(self.vm, desired_portgroup)
self.assertEqual(result, expected_ip)
def test_missing_field(self):
desired_portgroup, expected_ip = 'irrelevant', None
self.vm.guest = None
result = find_virtual_machine_ip_address(self.vm, desired_portgroup)
self.assertEqual(result, expected_ip)
def test_missing_field_in_network(self):
desired_portgroup, expected_ip = 'second', '10.7.0.60'
self.vm.guest.net = [
None,
self._create_mock(
network=desired_portgroup,
ipAddress=['fe80::250:56ff:fe90:d265', expected_ip],
),
]
result = find_virtual_machine_ip_address(self.vm, desired_portgroup)
self.assertEqual(result, expected_ip)
@staticmethod
def _create_mock(**kwargs):
mock = Mock()
for kwarg in kwargs:
setattr(mock, kwarg, kwargs[kwarg])
return mock
class TestVirtualMachineModel(TestCase):
def setUp(self):
self.vmware_vm, self.vm_properties = create_vmware_vm_mock()
def test_init(self):
vm_model = VirtualMachineModel(self.vmware_vm, self.vm_properties)
self.assertEqual(self.vmware_vm, vm_model.vmware_vm)
self.assertEqual('d376b6b4-943d-4599-862f-d852fd6ba425', vm_model.uuid)
self.assertEqual('VM', vm_model.name)
self.assertTrue(vm_model.is_powered_on)
self.assertTrue(vm_model.tools_running)
def test_to_vnc(self):
vm_model = VirtualMachineModel(self.vmware_vm, self.vm_properties)
vm_model.vm_properties['config.instanceUuid'] = 'd376b6b4-943d-4599-862f-d852fd6ba425'
vm_model.vrouter_uuid = 'vrouter_uuid'
vnc_vm = vm_model.vnc_vm
self.assertEqual(vm_model.uuid, vnc_vm.name)
self.assertEqual(vm_model.uuid, vnc_vm.uuid)
self.assertEqual([vm_model.uuid], vnc_vm.fq_name)
vrouter_annotation = vnc_vm.get_annotations().get_key_value_pair()[0]
self.assertEqual('vrouter_uuid', vrouter_annotation.value)
def test_update(self):
vm_model = VirtualMachineModel(self.vmware_vm, self.vm_properties)
vmware_vm = Mock()
vmware_vm.summary.runtime.host = None
vmware_vm.config.hardware.device = []
new_properties = {
'config.instanceUuid': '52073317-45b6-c3ee-596f-63dd49dd689e',
'name': 'VM',
'runtime.powerState': 'poweredOff',
'guest.toolsRunningStatus': 'guestToolsNotRunning',
}
vm_model.update(vmware_vm, new_properties)
self.assertEqual(vmware_vm, vm_model.vmware_vm)
self.assertEqual('52073317-45b6-c3ee-596f-63dd49dd689e', vm_model.uuid)
self.assertEqual('VM', vm_model.name)
self.assertFalse(vm_model.is_powered_on)
self.assertFalse(vm_model.tools_running)
class TestVirtualMachineInterfaceModel(TestCase):
def setUp(self):
self.project = Project()
self.security_group = SecurityGroup()
vmware_vm, vm_properties = create_vmware_vm_mock()
device = Mock()
device.backing.port.portgroupKey = '123'
device.macAddress = 'c8:5b:76:53:0f:f5'
vmware_vm.config.hardware.device = [device]
self.vm_model = VirtualMachineModel(vmware_vm, vm_properties)
self.vm_model.vm_properties['config.instanceUuid'] = 'd376b6b4-943d-4599-862f-d852fd6ba425'
self.vm_model.vrouter_uuid = '192.168.0.10'
vmware_vn = create_dpg_mock(name='VM Network', key='123')
vnc_vn = Mock(uuid='d376b6b4-943d-4599-862f-d852fd6ba425')
vnc_vn.name = 'VM Network'
self.vn_model = VirtualNetworkModel(vmware_vn, vnc_vn, VlanIdPool(0, 100))
self.vcenter_port = VCenterPort(device)
def test_to_vnc(self):
vmi_model = VirtualMachineInterfaceModel(self.vm_model, self.vn_model, self.vcenter_port)
vmi_model.parent = self.project
vmi_model.security_group = self.security_group
vnc_vmi = vmi_model.to_vnc()
self.assertEqual(vnc_vmi.name, vmi_model.uuid)
self.assertEqual(vnc_vmi.parent_name, self.project.name)
self.assertEqual(vnc_vmi.display_name, vmi_model.display_name)
self.assertEqual(vnc_vmi.uuid, vmi_model.uuid)
self.assertEqual(vnc_vmi.virtual_machine_interface_mac_addresses.mac_address,
[vmi_model.vcenter_port.mac_address])
self.assertEqual(vnc_vmi.get_id_perms(), ID_PERMS)
@patch('cvm.models.find_vm_mac_address')
@patch('cvm.models.VirtualMachineInterfaceModel.to_vnc')
@patch('cvm.models.VirtualMachineInterfaceModel._should_construct_instance_ip')
def test_construct_instance_ip(self, should_construct, to_vnc_mock, _):
should_construct.return_value = True
to_vnc_mock.return_value.uuid = 'd376b6b4-943d-4599-862f-d852fd6ba425'
vmi_model = VirtualMachineInterfaceModel(self.vm_model, self.vn_model, self.vcenter_port)
vmi_model.construct_instance_ip()
instance_ip = vmi_model.vnc_instance_ip
self.assertEqual('d376b6b4-943d-4599-862f-d852fd6ba425',
instance_ip.virtual_machine_interface_refs[0]['uuid'])
self.assertEqual(
str(uuid.uuid3(uuid.NAMESPACE_DNS,
'ip-' + self.vn_model.name + '-' + self.vm_model.name)),
instance_ip.uuid
)
class TestVlanIdPool(TestCase):
def setUp(self):
self.vlan_id_pool = VlanIdPool(0, 100)
def test_reserve(self):
self.vlan_id_pool.reserve(0)
self.assertNotIn(0, self.vlan_id_pool._available_ids)
def test_reserve_existing(self):
self.vlan_id_pool.reserve(0)
self.vlan_id_pool.reserve(0)
self.assertNotIn(0, self.vlan_id_pool._available_ids)
def test_get_first_available(self):
self.vlan_id_pool.reserve(0)
result = self.vlan_id_pool.get_available()
self.assertEqual(1, result)
self.assertNotIn(1, self.vlan_id_pool._available_ids)
def test_no_available(self):
for i in range(4095):
self.vlan_id_pool.reserve(i)
result = self.vlan_id_pool.get_available()
self.assertIsNone(result)
def test_free(self):
self.vlan_id_pool.reserve(0)
self.vlan_id_pool.free(0)
self.assertIn(0, self.vlan_id_pool._available_ids)
def test_free_and_get(self):
self.vlan_id_pool.reserve(0)
self.vlan_id_pool.free(0)
next_id = self.vlan_id_pool.get_available()
self.assertEqual(1, next_id)
class TestVirtualNetworkVlans(TestCase):
def setUp(self):
self.dpg = create_dpg_mock(name='DPG1', key='dvportgroup-20')
self.ports = []
self.dvs = Mock()
self.dpg.config.distributedVirtualSwitch = self.dvs
self.dvs.FetchDVPorts.side_effect = self._check_criteria
def test_sync_vlan_ids(self):
self.ports.append(create_port_mock(1))
self.ports.append(create_port_mock(2))
vn_model = VirtualNetworkModel(self.dpg, None, VlanIdPool(0, 100))
self.assertNotIn(1, vn_model.vlan_id_pool._available_ids)
self.assertNotIn(2, vn_model.vlan_id_pool._available_ids)
def test_vmi_vlan_id_aquisition(self):
self.ports.append(create_port_mock(0))
self.ports.append(create_port_mock(1))
vn_model = VirtualNetworkModel(self.dpg, None, VlanIdPool(0, 100))
vm_model = VirtualMachineModel(*create_vmware_vm_mock([self.dpg]))
device = Mock()
device.backing.port.portgroupKey = 'dvportgroup-20'
vcenter_port = VCenterPort(device)
vmi_model = VirtualMachineInterfaceModel(vm_model, vn_model, vcenter_port)
vmi_model.acquire_vlan_id(None)
self.assertEqual(2, vmi_model.vcenter_port.vlan_id)
def _check_criteria(self, criteria):
if criteria.portgroupKey == 'dvportgroup-20' and criteria.inside:
return self.ports
return None