vmware-nsx/vmware_nsx/tests/unit/nsx_v/vshield/test_vcns_driver.py

590 lines
20 KiB
Python

# Copyright 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.
from unittest import mock
from eventlet import greenthread
from neutron.tests import base
from neutron_lib import context as neutron_context
from oslo_config import cfg
from vmware_nsx.common import exceptions as nsxv_exc
from vmware_nsx.plugins.nsx_v import availability_zones as nsx_az
from vmware_nsx.plugins.nsx_v.vshield.common import (
constants as vcns_const)
from vmware_nsx.plugins.nsx_v.vshield import edge_appliance_driver as e_drv
from vmware_nsx.plugins.nsx_v.vshield.tasks import (
constants as ts_const)
from vmware_nsx.plugins.nsx_v.vshield.tasks import tasks as ts
from vmware_nsx.plugins.nsx_v.vshield import vcns_driver
from vmware_nsx.tests import unit as vmware
from vmware_nsx.tests.unit.nsx_v.vshield import fake_vcns
VCNS_CONFIG_FILE = vmware.get_fake_conf("vcns.ini.test")
ts.TaskManager.set_default_interval(100)
class VcnsDriverTaskManagerTestCase(base.BaseTestCase):
def setUp(self):
super(VcnsDriverTaskManagerTestCase, self).setUp()
self.manager = ts.TaskManager()
self.manager.start(100)
def tearDown(self):
self.manager.stop()
# Task manager should not leave running threads around
# if _thread is None it means it was killed in stop()
self.assertIsNone(self.manager._thread)
super(VcnsDriverTaskManagerTestCase, self).tearDown()
def _test_task_manager_task_process_state(self, sync_exec=False):
def _task_failed(task, reason):
task.userdata['result'] = False
task.userdata['error'] = reason
def _check_state(task, exp_state):
if not task.userdata.get('result', True):
return False
state = task.userdata['state']
if state != exp_state:
msg = "state %d expect %d" % (
state, exp_state)
_task_failed(task, msg)
return False
task.userdata['state'] = state + 1
return True
def _exec(task):
if not _check_state(task, 1):
return ts_const.TaskStatus.ERROR
if task.userdata['sync_exec']:
return ts_const.TaskStatus.COMPLETED
else:
return ts_const.TaskStatus.PENDING
def _status(task):
if task.userdata['sync_exec']:
_task_failed(task, "_status callback triggered")
state = task.userdata['state']
if state == 3:
_check_state(task, 3)
return ts_const.TaskStatus.PENDING
else:
_check_state(task, 4)
return ts_const.TaskStatus.COMPLETED
def _result(task):
if task.userdata['sync_exec']:
exp_state = 3
else:
exp_state = 5
_check_state(task, exp_state)
def _start_monitor(task):
_check_state(task, 0)
def _executed_monitor(task):
_check_state(task, 2)
def _result_monitor(task):
if task.userdata['sync_exec']:
exp_state = 4
else:
exp_state = 6
if _check_state(task, exp_state):
task.userdata['result'] = True
else:
task.userdata['result'] = False
userdata = {
'state': 0,
'sync_exec': sync_exec
}
task = ts.Task('name', 'res', _exec, _status, _result, userdata)
task.add_start_monitor(_start_monitor)
task.add_executed_monitor(_executed_monitor)
task.add_result_monitor(_result_monitor)
self.manager.add(task)
task.wait(ts_const.TaskState.RESULT)
self.assertTrue(userdata['result'])
def test_task_manager_task_sync_exec_process_state(self):
self._test_task_manager_task_process_state(sync_exec=True)
def test_task_manager_task_async_exec_process_state(self):
self._test_task_manager_task_process_state(sync_exec=False)
def test_task_manager_task_ordered_process(self):
def _task_failed(task, reason):
task.userdata['result'] = False
task.userdata['error'] = reason
def _exec(task):
task.userdata['executed'] = True
return ts_const.TaskStatus.PENDING
def _status(task):
return ts_const.TaskStatus.COMPLETED
def _result(task):
next_task = task.userdata.get('next')
if next_task:
if next_task.userdata.get('executed'):
_task_failed(next_task, "executed premature")
if task.userdata.get('result', True):
task.userdata['result'] = True
tasks = []
prev = None
last_task = None
for i in range(5):
name = "name-%d" % i
task = ts.Task(name, 'res', _exec, _status, _result, {})
tasks.append(task)
if prev:
prev.userdata['next'] = task
prev = task
last_task = task
for task in tasks:
self.manager.add(task)
last_task.wait(ts_const.TaskState.RESULT)
for task in tasks:
self.assertTrue(task.userdata['result'])
def test_task_manager_task_parallel_process(self):
tasks = []
def _exec(task):
task.userdata['executed'] = True
return ts_const.TaskStatus.PENDING
def _status(task):
for t in tasks:
if not t.userdata.get('executed'):
t.userdata['resut'] = False
return ts_const.TaskStatus.COMPLETED
def _result(task):
if (task.userdata.get('result') is None and
task.status == ts_const.TaskStatus.COMPLETED):
task.userdata['result'] = True
else:
task.userdata['result'] = False
for i in range(5):
name = "name-%d" % i
res = 'resource-%d' % i
task = ts.Task(name, res, _exec, _status, _result, {})
tasks.append(task)
self.manager.add(task)
for task in tasks:
task.wait(ts_const.TaskState.RESULT)
self.assertTrue(task.userdata['result'])
def _test_task_manager_stop(self, exec_wait=False, result_wait=False,
stop_wait=0):
def _exec(task):
if exec_wait:
greenthread.sleep(0.01)
return ts_const.TaskStatus.PENDING
def _status(task):
greenthread.sleep(0.01)
return ts_const.TaskStatus.PENDING
def _result(task):
if result_wait:
greenthread.sleep(0)
manager = ts.TaskManager().start(100)
manager.stop()
# Task manager should not leave running threads around
# if _thread is None it means it was killed in stop()
self.assertIsNone(manager._thread)
manager.start(100)
alltasks = {}
for i in range(100):
res = 'res-%d' % i
tasks = []
for i in range(100):
task = ts.Task('name', res, _exec, _status, _result)
manager.add(task)
tasks.append(task)
alltasks[res] = tasks
greenthread.sleep(stop_wait)
manager.stop()
# Task manager should not leave running threads around
# if _thread is None it means it was killed in stop()
self.assertIsNone(manager._thread)
for res, tasks in alltasks.items():
for task in tasks:
self.assertEqual(ts_const.TaskStatus.ABORT, task.status)
def test_task_manager_stop_1(self):
self._test_task_manager_stop(True, True, 0)
def test_task_manager_stop_2(self):
self._test_task_manager_stop(True, True, 1)
def test_task_manager_stop_3(self):
self._test_task_manager_stop(False, False, 0)
def test_task_manager_stop_4(self):
self._test_task_manager_stop(False, False, 1)
def test_task_pending_task(self):
def _exec(task):
task.userdata['executing'] = True
while not task.userdata['tested']:
greenthread.sleep(0)
task.userdata['executing'] = False
return ts_const.TaskStatus.COMPLETED
userdata = {
'executing': False,
'tested': False
}
manager = ts.TaskManager().start(100)
task = ts.Task('name', 'res', _exec, userdata=userdata)
manager.add(task)
while not userdata['executing']:
greenthread.sleep(0)
self.assertTrue(manager.has_pending_task())
userdata['tested'] = True
while userdata['executing']:
greenthread.sleep(0)
self.assertFalse(manager.has_pending_task())
class VcnsDriverTestCase(base.BaseTestCase):
def vcns_patch(self):
instance = self.mock_vcns.start()
instance.return_value.deploy_edge.side_effect = self.fc.deploy_edge
instance.return_value.get_edge_id.side_effect = self.fc.get_edge_id
instance.return_value.delete_edge.side_effect = self.fc.delete_edge
instance.return_value.update_interface.side_effect = (
self.fc.update_interface)
instance.return_value.get_nat_config.side_effect = (
self.fc.get_nat_config)
instance.return_value.update_nat_config.side_effect = (
self.fc.update_nat_config)
instance.return_value.delete_nat_rule.side_effect = (
self.fc.delete_nat_rule)
instance.return_value.get_edge_status.side_effect = (
self.fc.get_edge_status)
instance.return_value.get_edges.side_effect = self.fc.get_edges
instance.return_value.update_routes.side_effect = (
self.fc.update_routes)
instance.return_value.create_lswitch.side_effect = (
self.fc.create_lswitch)
instance.return_value.delete_lswitch.side_effect = (
self.fc.delete_lswitch)
def setUp(self):
super(VcnsDriverTestCase, self).setUp()
self.ctx = neutron_context.get_admin_context()
self.temp_e_drv_nsxv_db = e_drv.nsxv_db
e_drv.nsxv_db = mock.MagicMock()
self.config_parse(args=['--config-file', VCNS_CONFIG_FILE])
self.fc = fake_vcns.FakeVcns()
self.mock_vcns = mock.patch(vmware.VCNS_NAME, autospec=True)
self.vcns_patch()
self.addCleanup(self.fc.reset_all)
self.vcns_driver = vcns_driver.VcnsDriver(self)
self.az = (nsx_az.NsxVAvailabilityZones().
get_default_availability_zone())
self.edge_id = None
self.result = None
def tearDown(self):
e_drv.nsxv_db = self.temp_e_drv_nsxv_db
self.vcns_driver.task_manager.stop()
# Task manager should not leave running threads around
# if _thread is None it means it was killed in stop()
self.assertIsNone(self.vcns_driver.task_manager._thread)
super(VcnsDriverTestCase, self).tearDown()
def complete_edge_creation(
self, context, edge_id, name, router_id, dist, deploy_successful,
availability_zone=None, deploy_metadata=False):
pass
def _deploy_edge(self):
self.edge_id = self.vcns_driver.deploy_edge(
self.ctx, 'router-id', 'myedge', 'internal-network',
availability_zone=self.az)
self.assertEqual('edge-1', self.edge_id)
def test_deploy_edge_with(self):
self.vcns_driver.deploy_edge(
self.ctx, 'router-id', 'myedge', 'internal-network',
availability_zone=self.az)
status = self.vcns_driver.get_edge_status('edge-1')
self.assertEqual(vcns_const.RouterStatus.ROUTER_STATUS_ACTIVE, status)
def test_deploy_edge_fail(self):
self.vcns_driver.deploy_edge(
self.ctx, 'router-1', 'myedge', 'internal-network',
availability_zone=self.az)
# self.vcns_driver.deploy_edge(
# self.ctx, 'router-2', 'myedge', 'internal-network',
# availability_zone=self.az)
self.assertRaises(
nsxv_exc.NsxPluginException, self.vcns_driver.deploy_edge,
self.ctx, 'router-2', 'myedge', 'internal-network',
availability_zone=self.az)
def test_get_edge_status(self):
self._deploy_edge()
status = self.vcns_driver.get_edge_status(self.edge_id)
self.assertEqual(vcns_const.RouterStatus.ROUTER_STATUS_ACTIVE, status)
def test_update_nat_rules(self):
self._deploy_edge()
snats = [{
'src': '192.168.1.0/24',
'translated': '10.0.0.1'
}, {
'src': '192.168.2.0/24',
'translated': '10.0.0.2'
}, {
'src': '192.168.3.0/24',
'translated': '10.0.0.3'
}
]
dnats = [{
'dst': '100.0.0.4',
'translated': '192.168.1.1'
}, {
'dst': '100.0.0.5',
'translated': '192.168.2.1'
}
]
result = self.vcns_driver.update_nat_rules(self.edge_id, snats, dnats)
self.assertTrue(result)
natcfg = self.vcns_driver.get_nat_config(self.edge_id)
rules = natcfg['rules']['natRulesDtos']
self.assertEqual(2 * len(dnats) + len(snats), len(rules))
self.natEquals(rules[0], dnats[0])
self.natEquals(rules[1], self.snat_for_dnat(dnats[0]))
self.natEquals(rules[2], dnats[1])
self.natEquals(rules[3], self.snat_for_dnat(dnats[1]))
self.natEquals(rules[4], snats[0])
self.natEquals(rules[5], snats[1])
self.natEquals(rules[6], snats[2])
def test_update_nat_rules_for_all_vnics(self):
self._deploy_edge()
snats = [{
'src': '192.168.1.0/24',
'translated': '10.0.0.1'
}, {
'src': '192.168.2.0/24',
'translated': '10.0.0.2'
}, {
'src': '192.168.3.0/24',
'translated': '10.0.0.3'
}
]
dnats = [{
'dst': '100.0.0.4',
'translated': '192.168.1.1'
}, {
'dst': '100.0.0.5',
'translated': '192.168.2.1'
}
]
indices = [0, 1, 2, 3]
result = self.vcns_driver.update_nat_rules(self.edge_id,
snats, dnats, indices)
self.assertTrue(result)
natcfg = self.vcns_driver.get_nat_config(self.edge_id)
rules = natcfg['rules']['natRulesDtos']
self.assertEqual(2 * len(indices) * len(dnats) +
len(indices) * len(snats), len(rules))
sorted_rules = sorted(rules, key=lambda k: k['vnic'])
for i in range(0, len(sorted_rules), 7):
self.natEquals(sorted_rules[i], dnats[0])
self.natEquals(sorted_rules[i + 1], self.snat_for_dnat(dnats[0]))
self.natEquals(sorted_rules[i + 2], dnats[1])
self.natEquals(sorted_rules[i + 3], self.snat_for_dnat(dnats[1]))
self.natEquals(sorted_rules[i + 4], snats[0])
self.natEquals(sorted_rules[i + 5], snats[1])
self.natEquals(sorted_rules[i + 6], snats[2])
def test_update_nat_rules_for_specific_vnics(self):
self._deploy_edge()
snats = [{
'src': '192.168.1.0/24',
'translated': '10.0.0.1',
'vnic_index': 5
}, {
'src': '192.168.2.0/24',
'translated': '10.0.0.2'
}, {
'src': '192.168.3.0/24',
'translated': '10.0.0.3'
}
]
dnats = [{
'dst': '100.0.0.4',
'translated': '192.168.1.1',
'vnic_index': 2
}, {
'dst': '100.0.0.5',
'translated': '192.168.2.1'
}
]
result = self.vcns_driver.update_nat_rules(self.edge_id, snats, dnats)
self.assertTrue(result)
natcfg = self.vcns_driver.get_nat_config(self.edge_id)
rules = natcfg['rules']['natRulesDtos']
self.assertEqual(2 * len(dnats) + len(snats), len(rules))
self.natEquals(rules[0], dnats[0])
self.assertEqual(2, rules[0]['vnic'])
self.natEquals(rules[1], self.snat_for_dnat(dnats[0]))
self.assertEqual(2, rules[1]['vnic'])
self.natEquals(rules[2], dnats[1])
self.assertNotIn('vnic', rules[2])
self.natEquals(rules[3], self.snat_for_dnat(dnats[1]))
self.assertNotIn('vnic', rules[3])
self.natEquals(rules[4], snats[0])
self.assertEqual(5, rules[4]['vnic'])
self.natEquals(rules[5], snats[1])
self.assertNotIn('vnic', rules[5])
self.natEquals(rules[6], snats[2])
self.assertNotIn('vnic', rules[6])
def snat_for_dnat(self, dnat):
return {
'src': dnat['translated'],
'translated': dnat['dst']
}
def natEquals(self, rule, exp):
addr = exp.get('src')
if not addr:
addr = exp.get('dst')
self.assertEqual(addr, rule['originalAddress'])
self.assertEqual(exp['translated'], rule['translatedAddress'])
def test_update_routes(self):
self._deploy_edge()
routes = [{
'cidr': '192.168.1.0/24',
'nexthop': '169.254.2.1'
}, {
'cidr': '192.168.2.0/24',
'nexthop': '169.254.2.1'
}, {
'cidr': '192.168.3.0/24',
'nexthop': '169.254.2.1'
}
]
result = self.vcns_driver.update_routes(
self.edge_id, '10.0.0.1', routes)
self.assertTrue(result)
def test_update_interface(self):
self._deploy_edge()
self.vcns_driver.update_interface(
'router-id', self.edge_id, vcns_const.EXTERNAL_VNIC_INDEX,
'network-id', address='100.0.0.3', netmask='255.255.255.0')
def test_delete_edge(self):
self._deploy_edge()
result = self.vcns_driver.delete_edge(
self.ctx, 'router-id', self.edge_id)
self.assertTrue(result)
def test_create_lswitch(self):
tz_config = [{
'transport_zone_uuid': 'tz-uuid'
}]
lswitch = self.vcns_driver.create_lswitch('lswitch', tz_config)
self.assertEqual('lswitch', lswitch['display_name'])
self.assertEqual('LogicalSwitchConfig', lswitch['type'])
self.assertIn('uuid', lswitch)
def test_delete_lswitch(self):
tz_config = {
'transport_zone_uuid': 'tz-uuid'
}
lswitch = self.vcns_driver.create_lswitch('lswitch', tz_config)
self.vcns_driver.delete_lswitch(lswitch['uuid'])
class VcnsDriverHATestCase(VcnsDriverTestCase):
def setUp(self):
# add edge_ha and ha_datastore to the pre-defined configuration
self._data_store = 'fake-datastore'
self._ha_data_store = 'fake-datastore-2'
cfg.CONF.set_override('ha_datastore_id', self._ha_data_store,
group="nsxv")
cfg.CONF.set_override('edge_ha', True, group="nsxv")
super(VcnsDriverHATestCase, self).setUp()
self.vcns_driver.vcns.orig_deploy = self.vcns_driver.vcns.deploy_edge
self.vcns_driver.vcns.deploy_edge = self._fake_deploy_edge
def _fake_deploy_edge(self, request):
# validate the appliance structure in the request,
# and return the regular (fake) response
found_app = request['appliances']['appliances']
self.assertEqual(2, len(found_app))
self.assertEqual(self._data_store, found_app[0]['datastoreId'])
self.assertEqual(self._ha_data_store, found_app[1]['datastoreId'])
return self.vcns_driver.vcns.orig_deploy(request)