neutron/neutron/tests/unit/plugins/ml2/drivers/arista/test_arista_mechanism_drive...

337 lines
12 KiB
Python

# Copyright (c) 2013 OpenStack Foundation
#
# 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 sys
import mock
from neutron.extensions import portbindings
with mock.patch.dict(sys.modules,
{'networking_arista': mock.Mock(),
'networking_arista.ml2': mock.Mock(),
'networking_arista.common': mock.Mock()}):
from neutron.plugins.ml2.drivers.arista import mechanism_arista
from neutron.tests.unit import testlib_api
class AristaDriverTestCase(testlib_api.SqlTestCase):
"""Main test cases for Arista Mechanism driver.
Tests all mechanism driver APIs supported by Arista Driver. It invokes
all the APIs as they would be invoked in real world scenarios and
verifies the functionality.
"""
def setUp(self):
super(AristaDriverTestCase, self).setUp()
self.fake_rpc = mock.MagicMock()
mechanism_arista.db_lib = self.fake_rpc
self.drv = mechanism_arista.AristaDriver(self.fake_rpc)
def tearDown(self):
super(AristaDriverTestCase, self).tearDown()
self.drv.stop_synchronization_thread()
def test_create_network_precommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
self.drv.create_network_precommit(network_context)
expected_calls = [
mock.call.remember_tenant(tenant_id),
mock.call.remember_network(tenant_id,
network_id,
segmentation_id)
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
def test_create_network_postcommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
mechanism_arista.db_lib.is_network_provisioned.return_value = True
network = network_context.current
segments = network_context.network_segments
net_dict = {
'network_id': network['id'],
'segmentation_id': segments[0]['segmentation_id'],
'network_name': network['name'],
'shared': network['shared']}
self.drv.create_network_postcommit(network_context)
expected_calls = [
mock.call.is_network_provisioned(tenant_id, network_id),
mock.call.create_network(tenant_id, net_dict),
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
def test_delete_network_precommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
mechanism_arista.db_lib.is_network_provisioned.return_value = True
mechanism_arista.db_lib.num_nets_provisioned.return_value = 0
mechanism_arista.db_lib.num_vms_provisioned.return_value = 0
self.drv.delete_network_precommit(network_context)
expected_calls = [
mock.call.is_network_provisioned(tenant_id, network_id),
mock.call.forget_network(tenant_id, network_id),
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
def test_delete_network_postcommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
self.drv.delete_network_postcommit(network_context)
expected_calls = [
mock.call.delete_network(tenant_id, network_id),
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
def test_create_port_precommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
vm_id = 'vm1'
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
port_context = self._get_port_context(tenant_id,
network_id,
vm_id,
network_context)
host_id = port_context.current['binding:host_id']
port_id = port_context.current['id']
self.drv.create_port_precommit(port_context)
expected_calls = [
mock.call.remember_tenant(tenant_id),
mock.call.remember_vm(vm_id, host_id, port_id,
network_id, tenant_id)
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
def test_create_port_postcommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
vm_id = 'vm1'
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
port_context = self._get_port_context(tenant_id,
network_id,
vm_id,
network_context)
mechanism_arista.db_lib.is_vm_provisioned.return_value = True
mechanism_arista.db_lib.is_network_provisioned.return_value = True
mechanism_arista.db_lib.get_shared_network_owner_id.return_value = 1
port = port_context.current
device_id = port['device_id']
device_owner = port['device_owner']
host_id = port['binding:host_id']
port_id = port['id']
port_name = port['name']
self.drv.create_port_postcommit(port_context)
expected_calls = [
mock.call.is_vm_provisioned(device_id, host_id, port_id,
network_id, tenant_id),
mock.call.is_network_provisioned(tenant_id, network_id),
mock.call.plug_port_into_network(device_id, host_id, port_id,
network_id, tenant_id,
port_name, device_owner)
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
# Now test the delete ports
def test_delete_port_precommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
vm_id = 'vm1'
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
port_context = self._get_port_context(tenant_id,
network_id,
vm_id,
network_context)
mechanism_arista.db_lib.is_vm_provisioned.return_value = True
mechanism_arista.db_lib.num_nets_provisioned.return_value = 0
mechanism_arista.db_lib.num_vms_provisioned.return_value = 0
self.drv.delete_port_precommit(port_context)
host_id = port_context.current['binding:host_id']
port_id = port_context.current['id']
expected_calls = [
mock.call.is_vm_provisioned(vm_id, host_id, port_id,
network_id, tenant_id),
mock.call.forget_vm(vm_id, host_id, port_id,
network_id, tenant_id),
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
def test_delete_port_postcommit(self):
tenant_id = 'ten-1'
network_id = 'net1-id'
segmentation_id = 1001
vm_id = 'vm1'
network_context = self._get_network_context(tenant_id,
network_id,
segmentation_id,
False)
port_context = self._get_port_context(tenant_id,
network_id,
vm_id,
network_context)
port = port_context.current
device_id = port['device_id']
host_id = port['binding:host_id']
port_id = port['id']
self.drv.delete_port_postcommit(port_context)
expected_calls = [
mock.call.unplug_host_from_network(device_id, host_id, port_id,
network_id, tenant_id)
]
mechanism_arista.db_lib.assert_has_calls(expected_calls)
def _get_network_context(self, tenant_id, net_id, seg_id, shared):
network = {'id': net_id,
'tenant_id': tenant_id,
'name': 'test-net',
'shared': shared}
network_segments = [{'segmentation_id': seg_id}]
return FakeNetworkContext(network, network_segments, network)
def _get_port_context(self, tenant_id, net_id, vm_id, network):
port = {'device_id': vm_id,
'device_owner': 'compute',
'binding:host_id': 'ubuntu1',
'name': 'test-port',
'tenant_id': tenant_id,
'id': 101,
'network_id': net_id
}
return FakePortContext(port, port, network)
class fake_keystone_info_class(object):
"""To generate fake Keystone Authentification token information
Arista Driver expects Keystone auth info. This fake information
is for testing only
"""
auth_uri = 'abc://host:35357/v2.0/'
identity_uri = 'abc://host:5000'
admin_user = 'neutron'
admin_password = 'fun'
admin_tenant_name = 'tenant_name'
class FakeNetworkContext(object):
"""To generate network context for testing purposes only."""
def __init__(self, network, segments=None, original_network=None):
self._network = network
self._original_network = original_network
self._segments = segments
@property
def current(self):
return self._network
@property
def original(self):
return self._original_network
@property
def network_segments(self):
return self._segments
class FakePortContext(object):
"""To generate port context for testing purposes only."""
def __init__(self, port, original_port, network):
self._port = port
self._original_port = original_port
self._network_context = network
@property
def current(self):
return self._port
@property
def original(self):
return self._original_port
@property
def network(self):
return self._network_context
@property
def host(self):
return self._port.get(portbindings.HOST_ID)
@property
def original_host(self):
return self._original_port.get(portbindings.HOST_ID)