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# Copyright 2012, Nachi Ueno, NTT MCL, Inc.
# 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.
import socket
from unittest import mock
from neutron_lib.api.definitions import portbindings
from neutron_lib import constants
from oslo_config import cfg
from neutron.agent.linux import interface
from neutron.common import config as common_config
from neutron.conf.agent import common as config
from neutron.debug import commands
from neutron.debug import debug_agent
from neutron.tests import base
class MyApp(object):
def __init__(self, _stdout):
self.stdout = _stdout
class TestDebugCommands(base.BaseTestCase):
def setUp(self):
super(TestDebugCommands, self).setUp()
config.register_interface_opts()
common_config.init([])
config.register_interface_driver_opts_helper(cfg.CONF)
device_exists_p = mock.patch(
'neutron.agent.linux.ip_lib.device_exists', return_value=False)
device_exists_p.start()
namespace_e_p = mock.patch(
'neutron.agent.linux.ip_lib.network_namespace_exists')
namespace_e_p.start()
namespace_d_p = mock.patch(
'neutron.agent.linux.ip_lib.delete_network_namespace')
namespace_d_p.start()
ensure_namespace_p = mock.patch(
'neutron.agent.linux.ip_lib.IPWrapper.ensure_namespace')
ensure_namespace_p.start()
dvr_cls_p = mock.patch('neutron.agent.linux.interface.NullDriver')
driver_cls = dvr_cls_p.start()
mock_driver = mock.MagicMock()
mock_driver.DEV_NAME_LEN = (
interface.LinuxInterfaceDriver.DEV_NAME_LEN)
mock_driver.get_device_name.return_value = 'tap12345678-12'
driver_cls.return_value = mock_driver
self.driver = mock_driver
client_cls_p = mock.patch('neutronclient.v2_0.client.Client')
client_cls = client_cls_p.start()
client_inst = mock.Mock()
client_cls.return_value = client_inst
fake_network = {'network': {'id': 'fake_net',
'tenant_id': 'fake_tenant',
'subnets': ['fake_subnet']}}
fake_port = {'port':
{'id': 'fake_port',
'device_owner': 'fake_device',
'mac_address': 'aa:bb:cc:dd:ee:ffa',
'network_id': 'fake_net',
'fixed_ips':
[{'subnet_id': 'fake_subnet', 'ip_address': '10.0.0.3'}]
}}
fake_ports = {'ports': [fake_port['port']]}
self.fake_ports = fake_ports
allocation_pools = [{'start': '10.0.0.2',
'end': '10.0.0.254'}]
fake_subnet_v4 = {'subnet': {'name': 'fake_subnet_v4',
'id': 'fake_subnet',
'network_id': 'fake_net',
'gateway_ip': '10.0.0.1',
'dns_nameservers': ['10.0.0.2'],
'host_routes': [],
'cidr': '10.0.0.0/24',
'allocation_pools': allocation_pools,
'enable_dhcp': True,
'ip_version': constants.IP_VERSION_4}}
client_inst.list_ports.return_value = fake_ports
client_inst.create_port.return_value = fake_port
client_inst.show_port.return_value = fake_port
client_inst.show_network.return_value = fake_network
client_inst.show_subnet.return_value = fake_subnet_v4
self.client = client_inst
mock_std = mock.Mock()
self.app = MyApp(mock_std)
self.app.debug_agent = debug_agent.NeutronDebugAgent(cfg.CONF,
client_inst,
mock_driver)
def _test_create_probe(self, device_owner):
cmd = commands.CreateProbe(self.app, None)
cmd_parser = cmd.get_parser('create_probe')
if device_owner == debug_agent.DEVICE_OWNER_COMPUTE_PROBE:
args = ['fake_net', '--device-owner', 'compute']
else:
args = ['fake_net']
parsed_args = cmd_parser.parse_args(args)
cmd.run(parsed_args)
fake_port = {'port':
{'device_owner': device_owner,
'admin_state_up': True,
'network_id': 'fake_net',
'tenant_id': 'fake_tenant',
portbindings.HOST_ID: cfg.CONF.host,
'fixed_ips': [{'subnet_id': 'fake_subnet'}],
'device_id': socket.gethostname()}}
namespace = 'qprobe-fake_port'
self.client.assert_has_calls([mock.call.show_network('fake_net'),
mock.call.show_subnet('fake_subnet'),
mock.call.create_port(fake_port),
mock.call.show_subnet('fake_subnet')])
self.driver.assert_has_calls([mock.call.get_device_name(mock.ANY),
mock.call.plug('fake_net',
'fake_port',
'tap12345678-12',
'aa:bb:cc:dd:ee:ffa',
namespace=namespace),
mock.call.init_l3('tap12345678-12',
['10.0.0.3/24'],
namespace=namespace
)])
def test_create_network_probe(self):
self._test_create_probe(debug_agent.DEVICE_OWNER_NETWORK_PROBE)
def test_create_nova_probe(self):
self._test_create_probe(debug_agent.DEVICE_OWNER_COMPUTE_PROBE)
def _test_create_probe_external(self, device_owner):
fake_network = {'network': {'id': 'fake_net',
'tenant_id': 'fake_tenant',
'router:external': True,
'subnets': ['fake_subnet']}}
self.client.show_network.return_value = fake_network
cmd = commands.CreateProbe(self.app, None)
cmd_parser = cmd.get_parser('create_probe')
if device_owner == debug_agent.DEVICE_OWNER_COMPUTE_PROBE:
args = ['fake_net', '--device-owner', 'compute']
else:
args = ['fake_net']
parsed_args = cmd_parser.parse_args(args)
cmd.run(parsed_args)
fake_port = {'port':
{'device_owner': device_owner,
'admin_state_up': True,
'network_id': 'fake_net',
'tenant_id': 'fake_tenant',
portbindings.HOST_ID: cfg.CONF.host,
'fixed_ips': [{'subnet_id': 'fake_subnet'}],
'device_id': socket.gethostname()}}
namespace = 'qprobe-fake_port'
self.client.assert_has_calls([mock.call.show_network('fake_net'),
mock.call.show_subnet('fake_subnet'),
mock.call.create_port(fake_port),
mock.call.show_subnet('fake_subnet')])
self.driver.assert_has_calls([mock.call.get_device_name(mock.ANY),
mock.call.plug('fake_net',
'fake_port',
'tap12345678-12',
'aa:bb:cc:dd:ee:ffa',
namespace=namespace),
mock.call.init_l3('tap12345678-12',
['10.0.0.3/24'],
namespace=namespace
)])
def test_create_network_probe_external(self):
self._test_create_probe_external(
debug_agent.DEVICE_OWNER_NETWORK_PROBE)
def test_create_nova_probe_external(self):
self._test_create_probe_external(
debug_agent.DEVICE_OWNER_COMPUTE_PROBE)
def test_delete_probe(self):
cmd = commands.DeleteProbe(self.app, None)
cmd_parser = cmd.get_parser('delete_probe')
args = ['fake_port']
parsed_args = cmd_parser.parse_args(args)
cmd.run(parsed_args)
namespace = 'qprobe-fake_port'
self.client.assert_has_calls([mock.call.show_port('fake_port'),
mock.call.delete_port('fake_port')])
self.driver.assert_has_calls([mock.call.get_device_name(mock.ANY),
mock.call.unplug('tap12345678-12',
namespace=namespace)])
def test_delete_probe_external(self):
fake_network = {'network': {'id': 'fake_net',
'tenant_id': 'fake_tenant',
'router:external': True,
'subnets': ['fake_subnet']}}
self.client.show_network.return_value = fake_network
cmd = commands.DeleteProbe(self.app, None)
cmd_parser = cmd.get_parser('delete_probe')
args = ['fake_port']
parsed_args = cmd_parser.parse_args(args)
cmd.run(parsed_args)
namespace = 'qprobe-fake_port'
self.client.assert_has_calls([mock.call.show_port('fake_port'),
mock.call.delete_port('fake_port')])
self.driver.assert_has_calls([mock.call.get_device_name(mock.ANY),
mock.call.unplug('tap12345678-12',
namespace=namespace)])
def test_list_probe(self):
cmd = commands.ListProbe(self.app, None)
cmd_parser = cmd.get_parser('list_probe')
args = []
parsed_args = cmd_parser.parse_args(args)
cmd.run(parsed_args)
self.client.assert_has_calls(
[mock.call.list_ports(
device_owner=[debug_agent.DEVICE_OWNER_NETWORK_PROBE,
debug_agent.DEVICE_OWNER_COMPUTE_PROBE])])
def test_exec_command(self):
cmd = commands.ExecProbe(self.app, None)
cmd_parser = cmd.get_parser('exec_command')
args = ['fake_port', 'fake_command']
parsed_args = cmd_parser.parse_args(args)
with mock.patch('neutron.agent.linux.ip_lib.IpNetnsCommand') as ns:
cmd.run(parsed_args)
ns.assert_has_calls([mock.call.execute(mock.ANY)])
self.client.assert_has_calls([mock.call.show_port('fake_port')])
def test_clear_probe(self):
cmd = commands.ClearProbe(self.app, None)
cmd_parser = cmd.get_parser('clear_probe')
args = []
parsed_args = cmd_parser.parse_args(args)
cmd.run(parsed_args)
namespace = 'qprobe-fake_port'
self.client.assert_has_calls(
[mock.call.list_ports(
device_id=socket.gethostname(),
device_owner=[debug_agent.DEVICE_OWNER_NETWORK_PROBE,
debug_agent.DEVICE_OWNER_COMPUTE_PROBE]),
mock.call.show_port('fake_port'),
mock.call.delete_port('fake_port')])
self.driver.assert_has_calls([mock.call.get_device_name(mock.ANY),
mock.call.unplug('tap12345678-12',
namespace=namespace)])
def test_ping_all_with_ensure_port(self):
fake_ports = self.fake_ports
def fake_port_list(network_id=None, device_owner=None, device_id=None):
if network_id:
# In order to test ensure_port, return []
return {'ports': []}
return fake_ports
self.client.list_ports.side_effect = fake_port_list
cmd = commands.PingAll(self.app, None)
cmd_parser = cmd.get_parser('ping_all')
args = []
parsed_args = cmd_parser.parse_args(args)
namespace = 'qprobe-fake_port'
with mock.patch('neutron.agent.linux.ip_lib.IpNetnsCommand') as ns:
cmd.run(parsed_args)
ns.assert_has_calls([mock.call.execute(mock.ANY)])
fake_port = {'port':
{'device_owner': debug_agent.DEVICE_OWNER_NETWORK_PROBE,
'admin_state_up': True,
'network_id': 'fake_net',
'tenant_id': 'fake_tenant',
portbindings.HOST_ID: cfg.CONF.host,
'fixed_ips': [{'subnet_id': 'fake_subnet'}],
'device_id': socket.gethostname()}}
expected = [mock.call.show_network('fake_net'),
mock.call.show_subnet('fake_subnet'),
mock.call.create_port(fake_port),
mock.call.show_subnet('fake_subnet')]
self.client.assert_has_calls(expected)
self.driver.assert_has_calls([mock.call.init_l3('tap12345678-12',
['10.0.0.3/24'],
namespace=namespace
)])
def test_ping_all(self):
cmd = commands.PingAll(self.app, None)
cmd_parser = cmd.get_parser('ping_all')
args = []
parsed_args = cmd_parser.parse_args(args)
with mock.patch('neutron.agent.linux.ip_lib.IpNetnsCommand') as ns:
cmd.run(parsed_args)
ns.assert_has_calls([mock.call.execute(mock.ANY)])
expected = [mock.call.list_ports(),
mock.call.list_ports(
network_id='fake_net',
device_owner=debug_agent.DEVICE_OWNER_NETWORK_PROBE,
device_id=socket.gethostname()),
mock.call.show_subnet('fake_subnet'),
mock.call.show_port('fake_port')]
self.client.assert_has_calls(expected)
def test_ping_all_v6(self):
fake_subnet_v6 = {'subnet': {'name': 'fake_v6',
'ip_version': constants.IP_VERSION_6}}
self.client.show_subnet.return_value = fake_subnet_v6
cmd = commands.PingAll(self.app, None)
cmd_parser = cmd.get_parser('ping_all')
args = []
parsed_args = cmd_parser.parse_args(args)
with mock.patch('neutron.agent.linux.ip_lib.IpNetnsCommand') as ns:
cmd.run(parsed_args)
ns.assert_has_calls([mock.call.execute(mock.ANY)])
self.client.assert_has_calls([mock.call.list_ports()])
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