vmware-nsx/vmware_nsx/tests/unit/nsx_p/test_dhcp_metadata.py
Anna Khmelnitsky cd85073e7e NSX|P: Handle subnet update and port dhcp bindings
Handle passthrough dhcp for updated subnet & ports binding

Change-Id: I98986210f42e75f01815bbd2c863bc169a6cc7b4
2019-01-10 10:08:20 +02:00

978 lines
51 KiB
Python

# Copyright (c) 2015 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 mock
import netaddr
from oslo_config import cfg
from oslo_utils import uuidutils
from neutron.extensions import securitygroup as secgrp
from neutron_lib import constants
from neutron_lib import context
from neutron_lib import exceptions as n_exc
from neutron_lib.plugins import directory
from vmware_nsx.common import config
from vmware_nsx.common import exceptions as nsx_exc
from vmware_nsx.common import utils
from vmware_nsx.db import db as nsx_db
from vmware_nsx.extensions import advancedserviceproviders as as_providers
from vmware_nsx.plugins.nsx_p import availability_zones as nsx_az
from vmware_nsx.tests.unit.nsx_p import test_plugin
from vmware_nsxlib.v3 import core_resources
from vmware_nsxlib.v3 import nsx_constants
from vmware_nsxlib.v3 import resources as nsx_resources
def set_az_in_config(name, metadata_proxy="metadata_proxy1",
dhcp_profile="dhcp_profile1",
native_metadata_route="2.2.2.2",
dns_domain='aaaa',
nameservers=['bbbb']):
group_name = 'az:%s' % name
cfg.CONF.set_override('availability_zones', [name], group="nsx_p")
config.register_nsxp_azs(cfg.CONF, [name])
cfg.CONF.set_override("metadata_proxy", metadata_proxy,
group=group_name)
cfg.CONF.set_override("dhcp_profile", dhcp_profile,
group=group_name)
cfg.CONF.set_override("native_metadata_route", native_metadata_route,
group=group_name)
cfg.CONF.set_override("dns_domain", dns_domain,
group=group_name)
cfg.CONF.set_override("nameservers", nameservers,
group=group_name)
class NsxNativeDhcpTestCase(test_plugin.NsxPPluginTestCaseMixin):
def setUp(self):
self._orig_dhcp_agent_notification = cfg.CONF.dhcp_agent_notification
cfg.CONF.set_override('dhcp_agent_notification', False)
super(NsxNativeDhcpTestCase, self).setUp()
self._az_name = 'zone1'
self.az_metadata_route = '3.3.3.3'
set_az_in_config(self._az_name,
native_metadata_route=self.az_metadata_route)
self._patcher = mock.patch.object(core_resources.NsxLibDhcpProfile,
'get')
self._patcher.start()
self._initialize_azs()
self.plugin._init_dhcp_metadata()
def tearDown(self):
self._patcher.stop()
cfg.CONF.set_override('dhcp_agent_notification',
self._orig_dhcp_agent_notification)
super(NsxNativeDhcpTestCase, self).tearDown()
def _make_subnet_data(self,
name=None,
network_id=None,
cidr=None,
gateway_ip=None,
tenant_id=None,
allocation_pools=None,
enable_dhcp=True,
dns_nameservers=None,
ip_version=4,
host_routes=None,
shared=False):
return {'subnet': {
'name': name,
'network_id': network_id,
'cidr': cidr,
'gateway_ip': gateway_ip,
'tenant_id': tenant_id,
'allocation_pools': allocation_pools,
'ip_version': ip_version,
'enable_dhcp': enable_dhcp,
'dns_nameservers': dns_nameservers,
'host_routes': host_routes,
'shared': shared}}
def _verify_dhcp_service(self, network_id, tenant_id, enabled):
# Verify if DHCP service is enabled on a network.
port_res = self._list_ports('json', 200, network_id,
tenant_id=tenant_id,
device_owner=constants.DEVICE_OWNER_DHCP)
port_list = self.deserialize('json', port_res)
self.assertEqual(len(port_list['ports']) == 1, enabled)
def _verify_dhcp_binding(self, subnet, port_data, update_data,
assert_data):
# Verify if DHCP binding is updated.
with mock.patch(
'vmware_nsxlib.v3.resources.LogicalDhcpServer.update_binding'
) as update_dhcp_binding:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id, **port_data) as port:
# Retrieve the DHCP binding info created in the DB for the
# new port.
dhcp_binding = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])[0]
# Update the port with provided data.
self.plugin.update_port(
context.get_admin_context(), port['port']['id'],
update_data)
binding_data = {'mac_address': port['port']['mac_address'],
'ip_address': port['port']['fixed_ips'][0][
'ip_address']}
# Extend basic binding data with to-be-asserted data.
binding_data.update(assert_data)
# Verify the update call.
update_dhcp_binding.assert_called_once_with(
dhcp_binding['nsx_service_id'],
dhcp_binding['nsx_binding_id'], **binding_data)
def test_dhcp_profile_configuration(self):
# Test if dhcp_agent_notification and dhcp_profile are
# configured correctly.
orig_dhcp_agent_notification = cfg.CONF.dhcp_agent_notification
cfg.CONF.set_override('dhcp_agent_notification', True)
self.assertRaises(nsx_exc.NsxPluginException,
self.plugin._init_dhcp_metadata)
cfg.CONF.set_override('dhcp_agent_notification',
orig_dhcp_agent_notification)
orig_dhcp_profile_uuid = cfg.CONF.nsx_p.dhcp_profile
cfg.CONF.set_override('dhcp_profile', '', 'nsx_p')
self.assertRaises(cfg.RequiredOptError,
self.plugin._init_default_config)
cfg.CONF.set_override('dhcp_profile', orig_dhcp_profile_uuid,
'nsx_p')
def test_dhcp_service_with_create_network(self):
# Test if DHCP service is disabled on a network when it is created.
with self.network() as network:
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'], False)
def test_dhcp_service_with_delete_dhcp_network(self):
# Test if DHCP service is disabled when directly deleting a network
# with a DHCP-enabled subnet.
with self.network() as network:
with self.subnet(network=network, enable_dhcp=True):
self.plugin.delete_network(context.get_admin_context(),
network['network']['id'])
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
False)
def test_dhcp_service_with_create_non_dhcp_subnet(self):
# Test if DHCP service is disabled on a network when a DHCP-disabled
# subnet is created.
with self.network() as network:
with self.subnet(network=network, enable_dhcp=False):
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
False)
def test_dhcp_service_with_create_multiple_non_dhcp_subnets(self):
# Test if DHCP service is disabled on a network when multiple
# DHCP-disabled subnets are created.
with self.network() as network:
with self.subnet(network=network, cidr='10.0.0.0/24',
enable_dhcp=False):
with self.subnet(network=network, cidr='20.0.0.0/24',
enable_dhcp=False):
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
False)
def test_dhcp_service_with_create_dhcp_subnet(self):
# Test if DHCP service is enabled on a network when a DHCP-enabled
# subnet is created.
with self.network() as network:
with self.subnet(network=network, enable_dhcp=True):
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
True)
def test_dhcp_service_with_create_dhcp_subnet_bulk(self):
# Test if DHCP service is enabled on all networks after a
# create_subnet_bulk operation.
with self.network() as network1, self.network() as network2:
subnet1 = self._make_subnet_data(
network_id=network1['network']['id'], cidr='10.0.0.0/24',
tenant_id=network1['network']['tenant_id'])
subnet2 = self._make_subnet_data(
network_id=network2['network']['id'], cidr='20.0.0.0/24',
tenant_id=network2['network']['tenant_id'])
subnets = {'subnets': [subnet1, subnet2]}
with mock.patch.object(self.plugin, '_post_create_subnet'
) as post_create_subnet:
self.plugin.create_subnet_bulk(
context.get_admin_context(), subnets)
# Check if post_create function has been called for
# both subnets.
self.assertEqual(len(subnets['subnets']),
post_create_subnet.call_count)
# Check if the bindings to backend DHCP entries are created.
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
network1['network']['id'], nsx_constants.SERVICE_DHCP)
self.assertTrue(dhcp_service)
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
network2['network']['id'], nsx_constants.SERVICE_DHCP)
self.assertTrue(dhcp_service)
def test_dhcp_service_with_create_dhcp_subnet_bulk_failure(self):
# Test if user-provided rollback function is invoked when
# exception occurred during a create_subnet_bulk operation.
with self.network() as network1, self.network() as network2:
subnet1 = self._make_subnet_data(
network_id=network1['network']['id'], cidr='10.0.0.0/24',
tenant_id=network1['network']['tenant_id'])
subnet2 = self._make_subnet_data(
network_id=network2['network']['id'], cidr='20.0.0.0/24',
tenant_id=network2['network']['tenant_id'])
subnets = {'subnets': [subnet1, subnet2]}
# Inject an exception on the second create_subnet call.
orig_create_subnet = self.plugin.create_subnet
with mock.patch.object(self.plugin,
'create_subnet') as create_subnet:
def side_effect(*args, **kwargs):
return self._fail_second_call(
create_subnet, orig_create_subnet, *args, **kwargs)
create_subnet.side_effect = side_effect
with mock.patch.object(self.plugin,
'_rollback_subnet') as rollback_subnet:
try:
self.plugin.create_subnet_bulk(
context.get_admin_context(), subnets)
except Exception:
pass
# Check if rollback function has been called for
# the subnet in the first network.
rollback_subnet.assert_called_once_with(mock.ANY, mock.ANY)
subnet_arg = rollback_subnet.call_args[0][0]
self.assertEqual(network1['network']['id'],
subnet_arg['network_id'])
# Check if the bindings to backend DHCP entries are removed.
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
network1['network']['id'], nsx_constants.SERVICE_DHCP)
self.assertFalse(dhcp_service)
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
network2['network']['id'], nsx_constants.SERVICE_DHCP)
self.assertFalse(dhcp_service)
def test_dhcp_service_with_create_multiple_dhcp_subnets(self):
# Test if multiple DHCP-enabled subnets cannot be created in a network.
with self.network() as network:
with self.subnet(network=network, cidr='10.0.0.0/24',
enable_dhcp=True):
subnet = {'subnet': {'network_id': network['network']['id'],
'cidr': '20.0.0.0/24',
'enable_dhcp': True}}
self.assertRaises(
n_exc.InvalidInput, self.plugin.create_subnet,
context.get_admin_context(), subnet)
def test_dhcp_service_with_delete_dhcp_subnet(self):
# Test if DHCP service is disabled on a network when a DHCP-disabled
# subnet is deleted.
with self.network() as network:
with self.subnet(network=network, enable_dhcp=True) as subnet:
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
True)
self.plugin.delete_subnet(context.get_admin_context(),
subnet['subnet']['id'])
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
False)
def test_dhcp_service_with_update_dhcp_subnet(self):
# Test if DHCP service is enabled on a network when a DHCP-disabled
# subnet is updated to DHCP-enabled.
with self.network() as network:
with self.subnet(network=network, enable_dhcp=False) as subnet:
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
False)
data = {'subnet': {'enable_dhcp': True}}
self.plugin.update_subnet(context.get_admin_context(),
subnet['subnet']['id'], data)
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
True)
def test_dhcp_service_with_update_multiple_dhcp_subnets(self):
# Test if a DHCP-disabled subnet cannot be updated to DHCP-enabled
# if a DHCP-enabled subnet already exists in the same network.
with self.network() as network:
with self.subnet(network=network, cidr='10.0.0.0/24',
enable_dhcp=True):
with self.subnet(network=network, cidr='20.0.0.0/24',
enable_dhcp=False) as subnet:
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'],
True)
data = {'subnet': {'enable_dhcp': True}}
self.assertRaises(
n_exc.InvalidInput, self.plugin.update_subnet,
context.get_admin_context(), subnet['subnet']['id'],
data)
def test_dhcp_service_with_update_dhcp_port(self):
# Test if DHCP server IP is updated when the corresponding DHCP port
# IP is changed.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'update') as update_logical_dhcp_server:
with self.subnet(cidr='10.0.0.0/24', enable_dhcp=True) as subnet:
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
subnet['subnet']['network_id'], nsx_constants.SERVICE_DHCP)
port = self.plugin.get_port(context.get_admin_context(),
dhcp_service['port_id'])
old_ip = port['fixed_ips'][0]['ip_address']
new_ip = str(netaddr.IPAddress(old_ip) + 1)
data = {'port': {'fixed_ips': [
{'subnet_id': subnet['subnet']['id'],
'ip_address': new_ip}]}}
self.plugin.update_port(context.get_admin_context(),
dhcp_service['port_id'], data)
update_logical_dhcp_server.assert_called_once_with(
dhcp_service['nsx_service_id'], server_ip=new_ip)
def test_dhcp_binding_with_create_port(self):
# Test if DHCP binding is added when a compute port is created.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'create_binding',
return_value={"id": uuidutils.generate_uuid()}
) as create_dhcp_binding:
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id) as port:
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
subnet['subnet']['network_id'],
nsx_constants.SERVICE_DHCP)
ip = port['port']['fixed_ips'][0]['ip_address']
hostname = 'host-%s' % ip.replace('.', '-')
options = {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': ip},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': '0.0.0.0/0',
'next_hop': subnet['subnet']['gateway_ip']}]}}
create_dhcp_binding.assert_called_once_with(
dhcp_service['nsx_service_id'],
port['port']['mac_address'], ip, hostname,
cfg.CONF.nsx_p.dhcp_lease_time, options,
subnet['subnet']['gateway_ip'])
def test_dhcp_binding_with_create_port_with_opts(self):
# Test if DHCP binding is added when a compute port is created
# with extra options.
opt_name = 'interface-mtu'
opt_code = 26
opt_val = '9000'
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'create_binding',
return_value={"id": uuidutils.generate_uuid()}
) as create_dhcp_binding:
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
extra_dhcp_opts = [{'opt_name': opt_name,
'opt_value': opt_val}]
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id,
extra_dhcp_opts=extra_dhcp_opts,
arg_list=('extra_dhcp_opts',)) as port:
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
subnet['subnet']['network_id'],
nsx_constants.SERVICE_DHCP)
ip = port['port']['fixed_ips'][0]['ip_address']
hostname = 'host-%s' % ip.replace('.', '-')
options = {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': ip},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': '0.0.0.0/0',
'next_hop': subnet['subnet']['gateway_ip']}]},
'others': [{'code': opt_code, 'values': [opt_val]}]}
create_dhcp_binding.assert_called_once_with(
dhcp_service['nsx_service_id'],
port['port']['mac_address'], ip, hostname,
cfg.CONF.nsx_p.dhcp_lease_time, options,
subnet['subnet']['gateway_ip'])
def test_dhcp_binding_with_create_port_with_opts121(self):
# Test if DHCP binding is added when a compute port is created
# with extra option121.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'create_binding',
return_value={"id": uuidutils.generate_uuid()}
) as create_dhcp_binding:
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
extra_dhcp_opts = [{'opt_name': 'classless-static-route',
'opt_value': '1.0.0.0/24,1.2.3.4'}]
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id,
extra_dhcp_opts=extra_dhcp_opts,
arg_list=('extra_dhcp_opts',)) as port:
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
subnet['subnet']['network_id'],
nsx_constants.SERVICE_DHCP)
ip = port['port']['fixed_ips'][0]['ip_address']
hostname = 'host-%s' % ip.replace('.', '-')
options = {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': ip},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': '0.0.0.0/0',
'next_hop': subnet['subnet']['gateway_ip']},
{'network': '1.0.0.0/24',
'next_hop': '1.2.3.4'}]}}
create_dhcp_binding.assert_called_once_with(
dhcp_service['nsx_service_id'],
port['port']['mac_address'], ip, hostname,
cfg.CONF.nsx_p.dhcp_lease_time, options,
subnet['subnet']['gateway_ip'])
def test_dhcp_binding_with_create_port_with_bad_opts(self):
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
ctx = context.get_admin_context()
# Use illegal opt-name
extra_dhcp_opts = [{'opt_name': 'Dummy',
'opt_value': 'Dummy'}]
data = {'port': {
'name': 'dummy',
'network_id': subnet['subnet']['network_id'],
'tenant_id': subnet['subnet']['tenant_id'],
'device_owner': device_owner,
'device_id': device_id,
'extra_dhcp_opts': extra_dhcp_opts,
'admin_state_up': True,
'fixed_ips': [],
'mac_address': '00:00:00:00:00:01',
}}
self.assertRaises(n_exc.InvalidInput,
self.plugin.create_port, ctx, data)
# Use illegal option121 value
extra_dhcp_opts = [{'opt_name': 'classless-static-route',
'opt_value': '1.0.0.0/24,5.5.5.5,cc'}]
data['port']['extra_dhcp_opts'] = extra_dhcp_opts
self.assertRaises(n_exc.InvalidInput,
self.plugin.create_port, ctx, data)
def test_dhcp_binding_with_disable_enable_dhcp(self):
# Test if DHCP binding is preserved after DHCP is disabled and
# re-enabled on a subnet.
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id) as port:
ip = port['port']['fixed_ips'][0]['ip_address']
dhcp_bindings = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])
dhcp_service = dhcp_bindings[0]['nsx_service_id']
self.assertEqual(1, len(dhcp_bindings))
self.assertEqual(ip, dhcp_bindings[0]['ip_address'])
# Disable DHCP on subnet.
data = {'subnet': {'enable_dhcp': False}}
self.plugin.update_subnet(context.get_admin_context(),
subnet['subnet']['id'], data)
dhcp_bindings = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])
self.assertEqual([], dhcp_bindings)
# Re-enable DHCP on subnet.
data = {'subnet': {'enable_dhcp': True}}
self.plugin.update_subnet(context.get_admin_context(),
subnet['subnet']['id'], data)
dhcp_bindings = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session, port['port']['id'])
self.assertEqual(1, len(dhcp_bindings))
self.assertEqual(ip, dhcp_bindings[0]['ip_address'])
# The DHCP service ID should be different because a new
# logical DHCP server is created for re-enabling DHCP.
self.assertNotEqual(dhcp_service,
dhcp_bindings[0]['nsx_service_id'])
def test_dhcp_binding_with_delete_port(self):
# Test if DHCP binding is removed when the associated compute port
# is deleted.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'delete_binding') as delete_dhcp_binding:
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id) as port:
dhcp_binding = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session,
port['port']['id'])[0]
self.plugin.delete_port(
context.get_admin_context(), port['port']['id'])
delete_dhcp_binding.assert_called_once_with(
dhcp_binding['nsx_service_id'],
dhcp_binding['nsx_binding_id'])
def test_dhcp_binding_with_update_port_delete_ip(self):
# Test if DHCP binding is deleted when the IP of the associated
# compute port is deleted.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'delete_binding') as delete_dhcp_binding:
with self.subnet(enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id) as port:
dhcp_binding = nsx_db.get_nsx_dhcp_bindings(
context.get_admin_context().session,
port['port']['id'])[0]
data = {'port': {'fixed_ips': [],
'admin_state_up': False,
secgrp.SECURITYGROUPS: []}}
self.plugin.update_port(
context.get_admin_context(), port['port']['id'], data)
delete_dhcp_binding.assert_called_once_with(
dhcp_binding['nsx_service_id'],
dhcp_binding['nsx_binding_id'])
def test_dhcp_binding_with_update_port_ip(self):
# Test if DHCP binding is updated when the IP of the associated
# compute port is changed.
with self.subnet(cidr='10.0.0.0/24', enable_dhcp=True) as subnet:
port_data = {'fixed_ips': [{'subnet_id': subnet['subnet']['id'],
'ip_address': '10.0.0.3'}]}
new_ip = '10.0.0.4'
update_data = {'port': {'fixed_ips': [
{'subnet_id': subnet['subnet']['id'], 'ip_address': new_ip}]}}
assert_data = {'host_name': 'host-%s' % new_ip.replace('.', '-'),
'ip_address': new_ip,
'options': {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': new_ip},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': constants.IPv4_ANY,
'next_hop': subnet['subnet']['gateway_ip']}]}}}
self._verify_dhcp_binding(subnet, port_data, update_data,
assert_data)
def test_dhcp_binding_with_update_port_mac(self):
# Test if DHCP binding is updated when the Mac of the associated
# compute port is changed.
with self.subnet(enable_dhcp=True) as subnet:
port_data = {'mac_address': '11:22:33:44:55:66'}
new_mac = '22:33:44:55:66:77'
update_data = {'port': {'mac_address': new_mac}}
assert_data = {'mac_address': new_mac,
'options': {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': mock.ANY},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': constants.IPv4_ANY,
'next_hop': subnet['subnet']['gateway_ip']}]}}}
self._verify_dhcp_binding(subnet, port_data, update_data,
assert_data)
def test_dhcp_binding_with_update_port_mac_ip(self):
# Test if DHCP binding is updated when the IP and Mac of the associated
# compute port are changed at the same time.
with self.subnet(cidr='10.0.0.0/24', enable_dhcp=True) as subnet:
port_data = {'mac_address': '11:22:33:44:55:66',
'fixed_ips': [{'subnet_id': subnet['subnet']['id'],
'ip_address': '10.0.0.3'}]}
new_mac = '22:33:44:55:66:77'
new_ip = '10.0.0.4'
update_data = {'port': {'mac_address': new_mac, 'fixed_ips': [
{'subnet_id': subnet['subnet']['id'], 'ip_address': new_ip}]}}
assert_data = {'host_name': 'host-%s' % new_ip.replace('.', '-'),
'mac_address': new_mac,
'ip_address': new_ip,
'options': {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': new_ip},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': constants.IPv4_ANY,
'next_hop': subnet['subnet']['gateway_ip']}]}}}
self._verify_dhcp_binding(subnet, port_data, update_data,
assert_data)
def test_update_port_with_update_dhcp_opt(self):
# Test updating extra-dhcp-opts via port update.
with self.subnet(cidr='10.0.0.0/24', enable_dhcp=True) as subnet:
mac_address = '11:22:33:44:55:66'
ip_addr = '10.0.0.3'
port_data = {'arg_list': ('extra_dhcp_opts',),
'mac_address': mac_address,
'fixed_ips': [{'subnet_id': subnet['subnet']['id'],
'ip_address': ip_addr}],
'extra_dhcp_opts': [
{'opt_name': 'interface-mtu',
'opt_value': '9000'}]}
update_data = {'port': {'extra_dhcp_opts': [
{'opt_name': 'interface-mtu',
'opt_value': '9002'}]}}
assert_data = {'mac_address': mac_address,
'ip_address': ip_addr,
'options': {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': ip_addr},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': constants.IPv4_ANY,
'next_hop': subnet['subnet']['gateway_ip']}]},
'others': [{'code': 26, 'values': ['9002']}]}}
self._verify_dhcp_binding(subnet, port_data, update_data,
assert_data)
def test_update_port_with_adding_dhcp_opt(self):
# Test adding extra-dhcp-opts via port update.
with self.subnet(cidr='10.0.0.0/24', enable_dhcp=True) as subnet:
mac_address = '11:22:33:44:55:66'
ip_addr = '10.0.0.3'
port_data = {'arg_list': ('extra_dhcp_opts',),
'mac_address': mac_address,
'fixed_ips': [{'subnet_id': subnet['subnet']['id'],
'ip_address': ip_addr}],
'extra_dhcp_opts': [
{'opt_name': 'nis-domain',
'opt_value': 'abc'}]}
update_data = {'port': {'extra_dhcp_opts': [
{'opt_name': 'interface-mtu',
'opt_value': '9002'}]}}
assert_data = {'mac_address': mac_address,
'ip_address': ip_addr,
'options': {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': ip_addr},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': constants.IPv4_ANY,
'next_hop': subnet['subnet']['gateway_ip']}]},
'others': [{'code': 26, 'values': ['9002']},
{'code': 40, 'values': ['abc']}]}}
self._verify_dhcp_binding(subnet, port_data, update_data,
assert_data)
def test_update_port_with_deleting_dhcp_opt(self):
# Test adding extra-dhcp-opts via port update.
with self.subnet(cidr='10.0.0.0/24', enable_dhcp=True) as subnet:
mac_address = '11:22:33:44:55:66'
ip_addr = '10.0.0.3'
port_data = {'arg_list': ('extra_dhcp_opts',),
'mac_address': mac_address,
'fixed_ips': [{'subnet_id': subnet['subnet']['id'],
'ip_address': ip_addr}],
'extra_dhcp_opts': [
{'opt_name': 'nis-domain',
'opt_value': 'abc'},
{'opt_name': 'interface-mtu',
'opt_value': '9002'}]}
update_data = {'port': {'extra_dhcp_opts': [
{'opt_name': 'interface-mtu',
'opt_value': None}]}}
assert_data = {'mac_address': mac_address,
'ip_address': ip_addr,
'options': {'option121': {'static_routes': [
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
cfg.CONF.nsx_p.native_metadata_route,
'next_hop': ip_addr},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': constants.IPv4_ANY,
'next_hop': subnet['subnet']['gateway_ip']}]},
'others': [{'code': 40, 'values': ['abc']}]}}
self._verify_dhcp_binding(subnet, port_data, update_data,
assert_data)
def test_dhcp_binding_with_update_port_name(self):
# Test if DHCP binding is not updated when the name of the associated
# compute port is changed.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'update_binding') as update_dhcp_binding:
with self.subnet(cidr='10.0.0.0/24', enable_dhcp=True) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'None'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id, name='abc') as port:
data = {'port': {'name': 'xyz'}}
self.plugin.update_port(
context.get_admin_context(), port['port']['id'], data)
update_dhcp_binding.assert_not_called()
def test_create_network_with_bad_az_hint(self):
p = directory.get_plugin()
ctx = context.get_admin_context()
data = {'network': {
'name': 'test-az',
'tenant_id': self._tenant_id,
'port_security_enabled': False,
'admin_state_up': True,
'shared': False,
'availability_zone_hints': ['bad_hint']
}}
self.assertRaises(n_exc.NeutronException,
p.create_network,
ctx, data)
def test_create_network_with_az_hint(self):
p = directory.get_plugin()
ctx = context.get_admin_context()
data = {'network': {
'name': 'test-az',
'tenant_id': self._tenant_id,
'port_security_enabled': False,
'admin_state_up': True,
'shared': False,
'availability_zone_hints': [self._az_name]
}}
# network creation should succeed
net = p.create_network(ctx, data)
self.assertEqual([self._az_name],
net['availability_zone_hints'])
self.assertEqual([self._az_name],
net['availability_zones'])
def test_create_network_with_no_az_hint(self):
p = directory.get_plugin()
ctx = context.get_admin_context()
data = {'network': {
'name': 'test-az',
'tenant_id': self._tenant_id,
'port_security_enabled': False,
'admin_state_up': True,
'shared': False
}}
# network creation should succeed
net = p.create_network(ctx, data)
self.assertEqual([],
net['availability_zone_hints'])
self.assertEqual([nsx_az.DEFAULT_NAME],
net['availability_zones'])
def test_dhcp_service_with_create_az_network(self):
# Test if DHCP service is disabled on a network when it is created.
with self.network(availability_zone_hints=[self._az_name],
arg_list=('availability_zone_hints',)) as network:
self._verify_dhcp_service(network['network']['id'],
network['network']['tenant_id'], False)
def test_dhcp_binding_with_create_az_port(self):
# Test if DHCP binding is added when a compute port is created.
with mock.patch.object(nsx_resources.LogicalDhcpServer,
'create_binding',
return_value={"id": uuidutils.generate_uuid()}
) as create_dhcp_binding:
with self.network(
availability_zone_hints=[self._az_name],
arg_list=('availability_zone_hints',)) as network:
with self.subnet(enable_dhcp=True, network=network) as subnet:
device_owner = constants.DEVICE_OWNER_COMPUTE_PREFIX + 'X'
device_id = uuidutils.generate_uuid()
with self.port(subnet=subnet, device_owner=device_owner,
device_id=device_id) as port:
dhcp_service = nsx_db.get_nsx_service_binding(
context.get_admin_context().session,
subnet['subnet']['network_id'],
nsx_constants.SERVICE_DHCP)
ip = port['port']['fixed_ips'][0]['ip_address']
hostname = 'host-%s' % ip.replace('.', '-')
options = {'option121': {'static_routes': [
{'network': '%s' %
self.az_metadata_route,
'next_hop': '0.0.0.0'},
{'network': '%s' %
self.az_metadata_route,
'next_hop': ip},
{'network': subnet['subnet']['cidr'],
'next_hop': '0.0.0.0'},
{'network': '0.0.0.0/0',
'next_hop': subnet['subnet']['gateway_ip']}]}}
create_dhcp_binding.assert_called_once_with(
dhcp_service['nsx_service_id'],
port['port']['mac_address'], ip, hostname,
cfg.CONF.nsx_p.dhcp_lease_time, options,
subnet['subnet']['gateway_ip'])
def test_create_subnet_with_dhcp_port(self):
with self.subnet(enable_dhcp=True) as subnet:
# find the dhcp port and verify it has port security disabled
ports = self.plugin.get_ports(
context.get_admin_context())
self.assertEqual(1, len(ports))
self.assertEqual('network:dhcp', ports[0]['device_owner'])
self.assertEqual(subnet['subnet']['network_id'],
ports[0]['network_id'])
self.assertEqual(False, ports[0]['port_security_enabled'])
class NsxNativeMetadataTestCase(test_plugin.NsxPPluginTestCaseMixin):
def setUp(self):
self._orig_dhcp_agent_notification = cfg.CONF.dhcp_agent_notification
cfg.CONF.set_override('dhcp_agent_notification', False)
super(NsxNativeMetadataTestCase, self).setUp()
self._az_name = 'zone1'
self._az_metadata_proxy = 'dummy'
set_az_in_config(self._az_name, metadata_proxy=self._az_metadata_proxy)
self._patcher = mock.patch.object(core_resources.NsxLibMetadataProxy,
'get')
self._patcher.start()
self._initialize_azs()
self.plugin._init_dhcp_metadata()
def tearDown(self):
self._patcher.stop()
cfg.CONF.set_override('dhcp_agent_notification',
self._orig_dhcp_agent_notification)
super(NsxNativeMetadataTestCase, self).tearDown()
def test_metadata_proxy_configuration(self):
# Test if dhcp_agent_notification and metadata_proxy are
# configured correctly.
orig_dhcp_agent_notification = cfg.CONF.dhcp_agent_notification
cfg.CONF.set_override('dhcp_agent_notification', True)
self.assertRaises(nsx_exc.NsxPluginException,
self.plugin._init_dhcp_metadata)
cfg.CONF.set_override('dhcp_agent_notification',
orig_dhcp_agent_notification)
orig_metadata_proxy_uuid = cfg.CONF.nsx_p.metadata_proxy
cfg.CONF.set_override('metadata_proxy', '', 'nsx_p')
self.assertRaises(cfg.RequiredOptError,
self.plugin._init_default_config)
cfg.CONF.set_override('metadata_proxy', orig_metadata_proxy_uuid,
'nsx_p')
def test_metadata_proxy_with_create_network(self):
# Test if native metadata proxy is enabled on a network when it is
# created.
with mock.patch.object(nsx_resources.LogicalPort,
'create') as create_logical_port:
with self.network() as network:
nsx_net_id = self.plugin._get_network_nsx_id(
context.get_admin_context(), network['network']['id'])
tags = self.plugin.nsxlib.build_v3_tags_payload(
network['network'], resource_type='os-neutron-net-id',
project_name=None)
name = utils.get_name_and_uuid('%s-%s' % (
'mdproxy', network['network']['name'] or 'network'),
network['network']['id'])
create_logical_port.assert_called_once_with(
nsx_net_id, cfg.CONF.nsx_p.metadata_proxy,
tags=tags, name=name,
attachment_type=nsx_constants.ATTACHMENT_MDPROXY)
def test_metadata_proxy_with_create_az_network(self):
# Test if native metadata proxy is enabled on a network when it is
# created.
with mock.patch.object(nsx_resources.LogicalPort,
'create') as create_logical_port:
with self.network(
availability_zone_hints=[self._az_name],
arg_list=('availability_zone_hints',)) as network:
nsx_net_id = self.plugin._get_network_nsx_id(
context.get_admin_context(), network['network']['id'])
tags = self.plugin.nsxlib.build_v3_tags_payload(
network['network'], resource_type='os-neutron-net-id',
project_name=None)
name = utils.get_name_and_uuid('%s-%s' % (
'mdproxy', network['network']['name'] or 'network'),
network['network']['id'])
create_logical_port.assert_called_once_with(
nsx_net_id, self._az_metadata_proxy,
tags=tags, name=name,
attachment_type=nsx_constants.ATTACHMENT_MDPROXY)
def test_metadata_proxy_with_get_subnets(self):
# Test if get_subnets() handles advanced-service-provider extension,
# which is used when processing metadata requests.
with self.network() as n1, self.network() as n2:
with self.subnet(network=n1) as s1, self.subnet(network=n2) as s2:
# Get all the subnets.
subnets = self._list('subnets')['subnets']
self.assertEqual(len(subnets), 2)
self.assertEqual(set([s['id'] for s in subnets]),
set([s1['subnet']['id'], s2['subnet']['id']]))
lswitch_id = n1['network']['id']
# Get only the subnets associated with a particular advanced
# service provider (i.e. logical switch).
subnets = self._list('subnets', query_params='%s=%s' %
(as_providers.ADV_SERVICE_PROVIDERS,
lswitch_id))['subnets']
self.assertEqual(len(subnets), 1)
self.assertEqual(subnets[0]['id'], s1['subnet']['id'])