761 lines
30 KiB
Python
761 lines
30 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import socket
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import mock
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from oslo.config import cfg
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from quantum.agent.common import config
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from quantum.agent.linux import dhcp
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from quantum.openstack.common import jsonutils
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from quantum.tests import base
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class FakeIPAllocation:
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def __init__(self, address):
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self.ip_address = address
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class FakePort1:
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id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
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admin_state_up = True
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fixed_ips = [FakeIPAllocation('192.168.0.2')]
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mac_address = '00:00:80:aa:bb:cc'
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class FakePort2:
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id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
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admin_state_up = False
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fixed_ips = [FakeIPAllocation('fdca:3ba5:a17a:4ba3::2')]
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mac_address = '00:00:f3:aa:bb:cc'
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class FakePort3:
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id = '44444444-4444-4444-4444-444444444444'
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admin_state_up = True
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fixed_ips = [FakeIPAllocation('192.168.0.3'),
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FakeIPAllocation('fdca:3ba5:a17a:4ba3::3')]
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mac_address = '00:00:0f:aa:bb:cc'
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class FakeV4HostRoute:
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destination = '20.0.0.1/24'
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nexthop = '20.0.0.1'
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class FakeV6HostRoute:
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destination = 'gdca:3ba5:a17a:4ba3::/64'
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nexthop = 'gdca:3ba5:a17a:4ba3::1'
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class FakeV4Subnet:
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id = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
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ip_version = 4
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cidr = '192.168.0.0/24'
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gateway_ip = '192.168.0.1'
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enable_dhcp = True
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host_routes = [FakeV4HostRoute]
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dns_nameservers = ['8.8.8.8']
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class FakeV6Subnet:
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id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
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ip_version = 6
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cidr = 'fdca:3ba5:a17a:4ba3::/64'
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gateway_ip = 'fdca:3ba5:a17a:4ba3::1'
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enable_dhcp = True
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host_routes = [FakeV6HostRoute]
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dns_nameservers = ['gdca:3ba5:a17a:4ba3::1']
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class FakeV4SubnetNoDHCP:
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id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
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ip_version = 4
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cidr = '192.168.1.0/24'
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gateway_ip = '192.168.1.1'
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enable_dhcp = False
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host_routes = []
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dns_nameservers = []
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class FakeV4SubnetNoGateway:
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id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
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ip_version = 4
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cidr = '192.168.1.0/24'
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gateway_ip = None
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enable_dhcp = True
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host_routes = []
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dns_nameservers = []
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class FakeV4Network:
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id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
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subnets = [FakeV4Subnet()]
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ports = [FakePort1()]
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class FakeV6Network:
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id = 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb'
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subnets = [FakeV6Subnet()]
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ports = [FakePort2()]
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class FakeDualNetwork:
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id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
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subnets = [FakeV4Subnet(), FakeV6Subnet()]
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ports = [FakePort1(), FakePort2(), FakePort3()]
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class FakeDualNetworkSingleDHCP:
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id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
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subnets = [FakeV4Subnet(), FakeV4SubnetNoDHCP()]
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ports = [FakePort1(), FakePort2(), FakePort3()]
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class FakeV4NoGatewayNetwork:
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id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
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subnets = [FakeV4SubnetNoGateway()]
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ports = [FakePort1()]
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class TestDhcpBase(base.BaseTestCase):
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def test_existing_dhcp_networks_abstract_error(self):
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self.assertRaises(NotImplementedError,
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dhcp.DhcpBase.existing_dhcp_networks,
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None, None)
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def test_check_version_abstract_error(self):
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self.assertRaises(NotImplementedError,
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dhcp.DhcpBase.check_version)
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def test_base_abc_error(self):
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self.assertRaises(TypeError, dhcp.DhcpBase, None)
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def test_restart(self):
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class SubClass(dhcp.DhcpBase):
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def __init__(self):
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dhcp.DhcpBase.__init__(self, None, None, None)
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self.called = []
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def enable(self):
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self.called.append('enable')
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def disable(self, retain_port=False):
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self.called.append('disable %s' % retain_port)
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def reload_allocations(self):
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pass
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@property
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def active(self):
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return True
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c = SubClass()
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c.restart()
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self.assertEqual(c.called, ['disable True', 'enable'])
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class LocalChild(dhcp.DhcpLocalProcess):
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PORTS = {4: [4], 6: [6]}
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def __init__(self, *args, **kwargs):
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super(LocalChild, self).__init__(*args, **kwargs)
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self.called = []
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def reload_allocations(self):
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self.called.append('reload')
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def restart(self):
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self.called.append('restart')
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def spawn_process(self):
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self.called.append('spawn')
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class TestBase(base.BaseTestCase):
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def setUp(self):
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super(TestBase, self).setUp()
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root = os.path.dirname(os.path.dirname(__file__))
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args = ['--config-file',
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os.path.join(root, 'etc', 'quantum.conf.test')]
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self.conf = config.setup_conf()
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self.conf.register_opts(dhcp.OPTS)
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self.conf.register_opt(
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cfg.StrOpt('dhcp_lease_relay_socket',
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default='$state_path/dhcp/lease_relay'))
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self.conf.register_opt(cfg.BoolOpt('enable_isolated_metadata',
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default=True))
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self.conf(args=args)
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self.conf.set_override('state_path', '')
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self.conf.use_namespaces = True
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self.replace_p = mock.patch('quantum.agent.linux.utils.replace_file')
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self.execute_p = mock.patch('quantum.agent.linux.utils.execute')
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self.addCleanup(self.execute_p.stop)
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self.safe = self.replace_p.start()
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self.addCleanup(self.replace_p.stop)
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self.execute = self.execute_p.start()
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class TestDhcpLocalProcess(TestBase):
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def test_active(self):
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dummy_cmd_line = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
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self.execute.return_value = (dummy_cmd_line, '')
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with mock.patch.object(LocalChild, 'pid') as pid:
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pid.__get__ = mock.Mock(return_value=4)
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lp = LocalChild(self.conf, FakeV4Network())
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self.assertTrue(lp.active)
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self.execute.assert_called_once_with(['cat', '/proc/4/cmdline'],
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'sudo')
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def test_active_none(self):
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dummy_cmd_line = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
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self.execute.return_value = (dummy_cmd_line, '')
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with mock.patch.object(LocalChild, 'pid') as pid:
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pid.__get__ = mock.Mock(return_value=None)
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lp = LocalChild(self.conf, FakeV4Network())
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self.assertFalse(lp.active)
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def test_active_cmd_mismatch(self):
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dummy_cmd_line = 'bbbbbbbb-bbbb-bbbb-aaaa-aaaaaaaaaaaa'
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self.execute.return_value = (dummy_cmd_line, '')
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with mock.patch.object(LocalChild, 'pid') as pid:
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pid.__get__ = mock.Mock(return_value=4)
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lp = LocalChild(self.conf, FakeV4Network())
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self.assertFalse(lp.active)
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self.execute.assert_called_once_with(['cat', '/proc/4/cmdline'],
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'sudo')
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def test_get_conf_file_name(self):
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tpl = '/dhcp/aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa/dev'
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with mock.patch('os.path.isdir') as isdir:
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isdir.return_value = False
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with mock.patch('os.makedirs') as makedirs:
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lp = LocalChild(self.conf, FakeV4Network())
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self.assertEqual(lp.get_conf_file_name('dev'), tpl)
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self.assertFalse(makedirs.called)
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def test_get_conf_file_name_ensure_dir(self):
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tpl = '/dhcp/aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa/dev'
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with mock.patch('os.path.isdir') as isdir:
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isdir.return_value = False
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with mock.patch('os.makedirs') as makedirs:
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lp = LocalChild(self.conf, FakeV4Network())
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self.assertEqual(lp.get_conf_file_name('dev', True), tpl)
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self.assertTrue(makedirs.called)
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def test_enable_already_active(self):
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delegate = mock.Mock()
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delegate.setup.return_value = 'tap0'
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with mock.patch.object(LocalChild, 'active') as patched:
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patched.__get__ = mock.Mock(return_value=True)
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lp = LocalChild(self.conf, FakeV4Network(),
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device_delegate=delegate)
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lp.enable()
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self.assertEqual(lp.called, ['restart'])
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def test_enable(self):
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delegate = mock.Mock(return_value='tap0')
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attrs_to_mock = dict(
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[(a, mock.DEFAULT) for a in
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['active', 'get_conf_file_name', 'interface_name']]
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)
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with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
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mocks['active'].__get__ = mock.Mock(return_value=False)
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mocks['get_conf_file_name'].return_value = '/dir'
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mocks['interface_name'].__set__ = mock.Mock()
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lp = LocalChild(self.conf,
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FakeDualNetwork(),
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device_delegate=delegate)
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lp.enable()
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delegate.assert_has_calls(
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[mock.call.setup(mock.ANY, reuse_existing=True)])
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self.assertEqual(lp.called, ['spawn'])
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self.assertTrue(mocks['interface_name'].__set__.called)
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def test_disable_not_active(self):
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attrs_to_mock = dict([(a, mock.DEFAULT) for a in
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['active', 'interface_name', 'pid']])
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with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
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mocks['active'].__get__ = mock.Mock(return_value=False)
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mocks['pid'].__get__ = mock.Mock(return_value=5)
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mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
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with mock.patch.object(dhcp.LOG, 'debug') as log:
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lp = LocalChild(self.conf, FakeDualNetwork())
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lp.disable()
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msg = log.call_args[0][0]
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self.assertIn('stale', msg)
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def test_disable_unknown_network(self):
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attrs_to_mock = dict([(a, mock.DEFAULT) for a in
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['active', 'interface_name', 'pid']])
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with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
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mocks['active'].__get__ = mock.Mock(return_value=False)
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mocks['pid'].__get__ = mock.Mock(return_value=None)
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mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
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with mock.patch.object(dhcp.LOG, 'debug') as log:
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lp = LocalChild(self.conf, FakeDualNetwork())
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lp.disable()
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msg = log.call_args[0][0]
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self.assertIn('No DHCP', msg)
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def test_disable_retain_port(self):
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attrs_to_mock = dict([(a, mock.DEFAULT) for a in
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['active', 'interface_name', 'pid']])
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delegate = mock.Mock()
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network = FakeDualNetwork()
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with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
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mocks['active'].__get__ = mock.Mock(return_value=True)
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mocks['pid'].__get__ = mock.Mock(return_value=5)
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mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
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lp = LocalChild(self.conf, network, device_delegate=delegate,
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namespace='qdhcp-ns')
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lp.disable(retain_port=True)
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self.assertFalse(delegate.called)
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exp_args = ['ip', 'netns', 'exec', 'qdhcp-ns', 'kill', '-9', 5]
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self.execute.assert_called_once_with(exp_args, root_helper='sudo',
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check_exit_code=True)
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def test_disable(self):
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attrs_to_mock = dict([(a, mock.DEFAULT) for a in
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['active', 'interface_name', 'pid']])
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delegate = mock.Mock()
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network = FakeDualNetwork()
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with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
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mocks['active'].__get__ = mock.Mock(return_value=True)
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mocks['pid'].__get__ = mock.Mock(return_value=5)
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mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
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lp = LocalChild(self.conf, network, device_delegate=delegate,
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namespace='qdhcp-ns')
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lp.disable()
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delegate.assert_has_calls([mock.call.destroy(network, 'tap0')])
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exp_args = ['ip', 'netns', 'exec', 'qdhcp-ns', 'kill', '-9', 5]
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self.execute.assert_called_once_with(exp_args, root_helper='sudo',
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check_exit_code=True)
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def test_pid(self):
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with mock.patch('__builtin__.open') as mock_open:
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mock_open.return_value.__enter__ = lambda s: s
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mock_open.return_value.__exit__ = mock.Mock()
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mock_open.return_value.read.return_value = '5'
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lp = LocalChild(self.conf, FakeDualNetwork())
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self.assertEqual(lp.pid, 5)
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def test_pid_no_an_int(self):
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with mock.patch('__builtin__.open') as mock_open:
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mock_open.return_value.__enter__ = lambda s: s
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mock_open.return_value.__exit__ = mock.Mock()
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mock_open.return_value.read.return_value = 'foo'
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lp = LocalChild(self.conf, FakeDualNetwork())
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self.assertIsNone(lp.pid)
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def test_pid_invalid_file(self):
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with mock.patch.object(LocalChild, 'get_conf_file_name') as conf_file:
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conf_file.return_value = '.doesnotexist/pid'
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lp = LocalChild(self.conf, FakeDualNetwork())
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self.assertIsNone(lp.pid)
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def test_get_interface_name(self):
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with mock.patch('__builtin__.open') as mock_open:
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mock_open.return_value.__enter__ = lambda s: s
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mock_open.return_value.__exit__ = mock.Mock()
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mock_open.return_value.read.return_value = 'tap0'
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lp = LocalChild(self.conf, FakeDualNetwork())
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self.assertEqual(lp.interface_name, 'tap0')
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def test_set_interface_name(self):
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with mock.patch('quantum.agent.linux.utils.replace_file') as replace:
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lp = LocalChild(self.conf, FakeDualNetwork())
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with mock.patch.object(lp, 'get_conf_file_name') as conf_file:
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conf_file.return_value = '/interface'
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lp.interface_name = 'tap0'
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conf_file.assert_called_once_with('interface',
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ensure_conf_dir=True)
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replace.assert_called_once_with(mock.ANY, 'tap0')
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class TestDnsmasq(TestBase):
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def _test_spawn(self, extra_options):
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def mock_get_conf_file_name(kind, ensure_conf_dir=False):
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return '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/%s' % kind
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def fake_argv(index):
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if index == 0:
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return '/usr/local/bin/quantum-dhcp-agent'
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else:
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raise IndexError
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expected = [
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'QUANTUM_RELAY_SOCKET_PATH=/dhcp/lease_relay',
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'QUANTUM_NETWORK_ID=cccccccc-cccc-cccc-cccc-cccccccccccc',
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'ip',
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'netns',
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'exec',
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'qdhcp-ns',
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'dnsmasq',
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'--no-hosts',
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'--no-resolv',
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'--strict-order',
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'--bind-interfaces',
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'--interface=tap0',
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'--except-interface=lo',
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'--pid-file=/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/pid',
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'--dhcp-hostsfile=/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/host',
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'--dhcp-optsfile=/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/opts',
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('--dhcp-script=/usr/local/bin/quantum-dhcp-agent-'
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'dnsmasq-lease-update'),
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'--leasefile-ro',
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'--dhcp-range=set:tag0,192.168.0.0,static,120s',
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'--dhcp-range=set:tag1,fdca:3ba5:a17a:4ba3::,static,120s']
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expected.extend(extra_options)
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self.execute.return_value = ('', '')
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delegate = mock.Mock()
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delegate.get_interface_name.return_value = 'tap0'
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attrs_to_mock = dict(
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[(a, mock.DEFAULT) for a in
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['_output_opts_file', 'get_conf_file_name', 'interface_name']]
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)
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with mock.patch.multiple(dhcp.Dnsmasq, **attrs_to_mock) as mocks:
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mocks['get_conf_file_name'].side_effect = mock_get_conf_file_name
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mocks['_output_opts_file'].return_value = (
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'/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/opts'
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)
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mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
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with mock.patch.object(dhcp.sys, 'argv') as argv:
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argv.__getitem__.side_effect = fake_argv
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dm = dhcp.Dnsmasq(self.conf, FakeDualNetwork(),
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device_delegate=delegate,
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namespace='qdhcp-ns',
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version=float(2.59))
|
|
dm.spawn_process()
|
|
self.assertTrue(mocks['_output_opts_file'].called)
|
|
self.execute.assert_called_once_with(expected,
|
|
root_helper='sudo',
|
|
check_exit_code=True)
|
|
|
|
def test_spawn(self):
|
|
self._test_spawn(['--conf-file=', '--domain=openstacklocal'])
|
|
|
|
def test_spawn_cfg_config_file(self):
|
|
self.conf.set_override('dnsmasq_config_file', '/foo')
|
|
self._test_spawn(['--conf-file=/foo', '--domain=openstacklocal'])
|
|
|
|
def test_spawn_no_dhcp_domain(self):
|
|
self.conf.set_override('dhcp_domain', '')
|
|
self._test_spawn(['--conf-file='])
|
|
|
|
def test_spawn_cfg_dns_server(self):
|
|
self.conf.set_override('dnsmasq_dns_server', '8.8.8.8')
|
|
self._test_spawn(['--conf-file=',
|
|
'--server=8.8.8.8',
|
|
'--domain=openstacklocal'])
|
|
|
|
def test_output_opts_file(self):
|
|
fake_v6 = 'gdca:3ba5:a17a:4ba3::1'
|
|
fake_v6_cidr = 'gdca:3ba5:a17a:4ba3::/64'
|
|
expected = """
|
|
tag:tag0,option:dns-server,8.8.8.8
|
|
tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1
|
|
tag:tag0,option:router,192.168.0.1
|
|
tag:tag1,option:dns-server,%s
|
|
tag:tag1,option:classless-static-route,%s,%s""".lstrip() % (fake_v6,
|
|
fake_v6_cidr,
|
|
fake_v6)
|
|
|
|
with mock.patch.object(dhcp.Dnsmasq, 'get_conf_file_name') as conf_fn:
|
|
conf_fn.return_value = '/foo/opts'
|
|
dm = dhcp.Dnsmasq(self.conf, FakeDualNetwork(),
|
|
version=float(2.59))
|
|
dm._output_opts_file()
|
|
|
|
self.safe.assert_called_once_with('/foo/opts', expected)
|
|
|
|
def test_output_opts_file_single_dhcp(self):
|
|
expected = """
|
|
tag:tag0,option:dns-server,8.8.8.8
|
|
tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1
|
|
tag:tag0,option:router,192.168.0.1""".lstrip()
|
|
with mock.patch.object(dhcp.Dnsmasq, 'get_conf_file_name') as conf_fn:
|
|
conf_fn.return_value = '/foo/opts'
|
|
dm = dhcp.Dnsmasq(self.conf, FakeDualNetworkSingleDHCP(),
|
|
version=float(2.59))
|
|
dm._output_opts_file()
|
|
|
|
self.safe.assert_called_once_with('/foo/opts', expected)
|
|
|
|
def test_output_opts_file_single_dhcp_ver2_48(self):
|
|
expected = """
|
|
tag0,option:dns-server,8.8.8.8
|
|
tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1
|
|
tag0,option:router,192.168.0.1""".lstrip()
|
|
with mock.patch.object(dhcp.Dnsmasq, 'get_conf_file_name') as conf_fn:
|
|
conf_fn.return_value = '/foo/opts'
|
|
dm = dhcp.Dnsmasq(self.conf, FakeDualNetworkSingleDHCP(),
|
|
version=float(2.48))
|
|
dm._output_opts_file()
|
|
|
|
self.safe.assert_called_once_with('/foo/opts', expected)
|
|
|
|
def test_output_opts_file_no_gateway(self):
|
|
expected = """
|
|
tag:tag0,option:classless-static-route,169.254.169.254/32,192.168.1.1
|
|
tag:tag0,option:router""".lstrip()
|
|
|
|
with mock.patch.object(dhcp.Dnsmasq, 'get_conf_file_name') as conf_fn:
|
|
conf_fn.return_value = '/foo/opts'
|
|
dm = dhcp.Dnsmasq(self.conf, FakeV4NoGatewayNetwork(),
|
|
version=float(2.59))
|
|
with mock.patch.object(dm, '_make_subnet_interface_ip_map') as ipm:
|
|
ipm.return_value = {FakeV4SubnetNoGateway.id: '192.168.1.1'}
|
|
|
|
dm._output_opts_file()
|
|
self.assertTrue(ipm.called)
|
|
|
|
self.safe.assert_called_once_with('/foo/opts', expected)
|
|
|
|
def test_reload_allocations(self):
|
|
exp_host_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/host'
|
|
exp_host_data = """
|
|
00:00:80:aa:bb:cc,192-168-0-2.openstacklocal,192.168.0.2
|
|
00:00:f3:aa:bb:cc,fdca-3ba5-a17a-4ba3--2.openstacklocal,fdca:3ba5:a17a:4ba3::2
|
|
00:00:0f:aa:bb:cc,192-168-0-3.openstacklocal,192.168.0.3
|
|
00:00:0f:aa:bb:cc,fdca-3ba5-a17a-4ba3--3.openstacklocal,fdca:3ba5:a17a:4ba3::3
|
|
""".lstrip()
|
|
exp_opt_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/opts'
|
|
exp_opt_data = "tag:tag0,option:router,192.168.0.1"
|
|
fake_v6 = 'gdca:3ba5:a17a:4ba3::1'
|
|
fake_v6_cidr = 'gdca:3ba5:a17a:4ba3::/64'
|
|
exp_opt_data = """
|
|
tag:tag0,option:dns-server,8.8.8.8
|
|
tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1
|
|
tag:tag0,option:router,192.168.0.1
|
|
tag:tag1,option:dns-server,%s
|
|
tag:tag1,option:classless-static-route,%s,%s""".lstrip() % (fake_v6,
|
|
fake_v6_cidr,
|
|
fake_v6)
|
|
|
|
exp_args = ['ip', 'netns', 'exec', 'qdhcp-ns', 'kill', '-HUP', 5]
|
|
|
|
with mock.patch('os.path.isdir') as isdir:
|
|
isdir.return_value = True
|
|
with mock.patch.object(dhcp.Dnsmasq, 'active') as active:
|
|
active.__get__ = mock.Mock(return_value=True)
|
|
with mock.patch.object(dhcp.Dnsmasq, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=5)
|
|
dm = dhcp.Dnsmasq(self.conf, FakeDualNetwork(),
|
|
namespace='qdhcp-ns',
|
|
version=float(2.59))
|
|
|
|
method_name = '_make_subnet_interface_ip_map'
|
|
with mock.patch.object(dhcp.Dnsmasq,
|
|
method_name) as ip_map:
|
|
ip_map.return_value = {}
|
|
dm.reload_allocations()
|
|
self.assertTrue(ip_map.called)
|
|
|
|
self.safe.assert_has_calls([mock.call(exp_host_name, exp_host_data),
|
|
mock.call(exp_opt_name, exp_opt_data)])
|
|
self.execute.assert_called_once_with(exp_args, root_helper='sudo',
|
|
check_exit_code=True)
|
|
|
|
def test_reload_allocations_stale_pid(self):
|
|
exp_host_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/host'
|
|
exp_host_data = """
|
|
00:00:80:aa:bb:cc,192-168-0-2.openstacklocal,192.168.0.2
|
|
00:00:f3:aa:bb:cc,fdca-3ba5-a17a-4ba3--2.openstacklocal,fdca:3ba5:a17a:4ba3::2
|
|
00:00:0f:aa:bb:cc,192-168-0-3.openstacklocal,192.168.0.3
|
|
00:00:0f:aa:bb:cc,fdca-3ba5-a17a-4ba3--3.openstacklocal,fdca:3ba5:a17a:4ba3::3
|
|
""".lstrip()
|
|
exp_opt_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/opts'
|
|
exp_opt_data = "tag:tag0,option:router,192.168.0.1"
|
|
fake_v6 = 'gdca:3ba5:a17a:4ba3::1'
|
|
fake_v6_cidr = 'gdca:3ba5:a17a:4ba3::/64'
|
|
exp_opt_data = """
|
|
tag:tag0,option:dns-server,8.8.8.8
|
|
tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1
|
|
tag:tag0,option:router,192.168.0.1
|
|
tag:tag1,option:dns-server,%s
|
|
tag:tag1,option:classless-static-route,%s,%s""".lstrip() % (fake_v6,
|
|
fake_v6_cidr,
|
|
fake_v6)
|
|
|
|
exp_args = ['cat', '/proc/5/cmdline']
|
|
|
|
with mock.patch('os.path.isdir') as isdir:
|
|
isdir.return_value = True
|
|
with mock.patch.object(dhcp.Dnsmasq, 'pid') as pid:
|
|
pid.__get__ = mock.Mock(return_value=5)
|
|
dm = dhcp.Dnsmasq(self.conf, FakeDualNetwork(),
|
|
namespace='qdhcp-ns', version=float(2.59))
|
|
|
|
method_name = '_make_subnet_interface_ip_map'
|
|
with mock.patch.object(dhcp.Dnsmasq, method_name) as ip_map:
|
|
ip_map.return_value = {}
|
|
dm.reload_allocations()
|
|
self.assertTrue(ip_map.called)
|
|
|
|
self.safe.assert_has_calls([mock.call(exp_host_name, exp_host_data),
|
|
mock.call(exp_opt_name, exp_opt_data)])
|
|
self.execute.assert_called_once_with(exp_args, 'sudo')
|
|
|
|
def test_make_subnet_interface_ip_map(self):
|
|
with mock.patch('quantum.agent.linux.ip_lib.IPDevice') as ip_dev:
|
|
ip_dev.return_value.addr.list.return_value = [
|
|
{'cidr': '192.168.0.1/24'}
|
|
]
|
|
|
|
dm = dhcp.Dnsmasq(self.conf,
|
|
FakeDualNetwork(),
|
|
namespace='qdhcp-ns')
|
|
|
|
self.assertEqual(
|
|
dm._make_subnet_interface_ip_map(),
|
|
{FakeV4Subnet.id: '192.168.0.1'}
|
|
)
|
|
|
|
def _test_lease_relay_script_helper(self, action, lease_remaining,
|
|
path_exists=True):
|
|
relay_path = '/dhcp/relay_socket'
|
|
network_id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
|
|
mac_address = 'aa:bb:cc:dd:ee:ff'
|
|
ip_address = '192.168.1.9'
|
|
|
|
json_rep = jsonutils.dumps(dict(network_id=network_id,
|
|
lease_remaining=lease_remaining,
|
|
mac_address=mac_address,
|
|
ip_address=ip_address))
|
|
|
|
environ = {
|
|
'QUANTUM_NETWORK_ID': network_id,
|
|
'QUANTUM_RELAY_SOCKET_PATH': relay_path,
|
|
'DNSMASQ_TIME_REMAINING': '120',
|
|
}
|
|
|
|
def fake_environ(name, default=None):
|
|
return environ.get(name, default)
|
|
|
|
with mock.patch('os.environ') as mock_environ:
|
|
mock_environ.get.side_effect = fake_environ
|
|
|
|
with mock.patch.object(dhcp, 'sys') as mock_sys:
|
|
mock_sys.argv = [
|
|
'lease-update',
|
|
action,
|
|
mac_address,
|
|
ip_address,
|
|
]
|
|
|
|
with mock.patch('socket.socket') as mock_socket:
|
|
mock_conn = mock.Mock()
|
|
mock_socket.return_value = mock_conn
|
|
|
|
with mock.patch('os.path.exists') as mock_exists:
|
|
mock_exists.return_value = path_exists
|
|
|
|
dhcp.Dnsmasq.lease_update()
|
|
|
|
mock_exists.assert_called_once_with(relay_path)
|
|
if path_exists:
|
|
mock_socket.assert_called_once_with(
|
|
socket.AF_UNIX, socket.SOCK_STREAM)
|
|
|
|
mock_conn.assert_has_calls(
|
|
[mock.call.connect(relay_path),
|
|
mock.call.send(json_rep),
|
|
mock.call.close()])
|
|
|
|
def test_lease_relay_script_add(self):
|
|
self._test_lease_relay_script_helper('add', 120)
|
|
|
|
def test_lease_relay_script_old(self):
|
|
self._test_lease_relay_script_helper('old', 120)
|
|
|
|
def test_lease_relay_script_del(self):
|
|
self._test_lease_relay_script_helper('del', 0)
|
|
|
|
def test_lease_relay_script_add_socket_missing(self):
|
|
self._test_lease_relay_script_helper('add', 120, False)
|
|
|
|
def test_remove_config_files(self):
|
|
net = FakeV4Network()
|
|
path = '/opt/data/quantum/dhcp'
|
|
self.conf.dhcp_confs = path
|
|
|
|
with mock.patch('shutil.rmtree') as rmtree:
|
|
lp = LocalChild(self.conf, net)
|
|
lp._remove_config_files()
|
|
|
|
rmtree.assert_called_once_with(os.path.join(path, net.id),
|
|
ignore_errors=True)
|
|
|
|
def test_existing_dhcp_networks(self):
|
|
path = '/opt/data/quantum/dhcp'
|
|
self.conf.dhcp_confs = path
|
|
|
|
cases = {
|
|
# network_uuid --> is_dhcp_alive?
|
|
'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa': True,
|
|
'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb': False,
|
|
'not_uuid_like_name': True
|
|
}
|
|
|
|
def active_fake(self, instance, cls):
|
|
return cases[instance.network.id]
|
|
|
|
with mock.patch('os.listdir') as mock_listdir:
|
|
with mock.patch.object(dhcp.Dnsmasq, 'active') as mock_active:
|
|
mock_active.__get__ = active_fake
|
|
mock_listdir.return_value = cases.keys()
|
|
|
|
result = dhcp.Dnsmasq.existing_dhcp_networks(self.conf, 'sudo')
|
|
|
|
mock_listdir.assert_called_once_with(path)
|
|
self.assertEquals(['aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'],
|
|
result)
|
|
|
|
def _check_version(self, cmd_out, expected_value):
|
|
with mock.patch('quantum.agent.linux.utils.execute') as cmd:
|
|
cmd.return_value = cmd_out
|
|
result = dhcp.Dnsmasq.check_version()
|
|
self.assertEqual(result, expected_value)
|
|
|
|
def test_check_minimum_version(self):
|
|
self._check_version('Dnsmasq version 2.59 Copyright (c)...',
|
|
float(2.59))
|
|
|
|
def test_check_future_version(self):
|
|
self._check_version('Dnsmasq version 2.65 Copyright (c)...',
|
|
float(2.65))
|
|
|
|
def test_check_fail_version(self):
|
|
self._check_version('Dnsmasq version 2.48 Copyright (c)...',
|
|
float(2.48))
|
|
|
|
def test_check_version_failed_cmd_execution(self):
|
|
self._check_version('Error while executing command', 0)
|