openstack
/
neutron
Code Issues Proposed changes
neutron/neutron/tests/unit/agent/linux/test_dhcp.py

2170 lines
88 KiB
Python
Raw Blame History

# Copyright 2012 OpenStack Foundation
# 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 os
import mock
import netaddr
from oslo_config import cfg
from oslo_log import log as logging
from neutron.agent.common import config
from neutron.agent.dhcp import config as dhcp_config
from neutron.agent.linux import dhcp
from neutron.agent.linux import external_process
from neutron.common import config as base_config
from neutron.common import constants
from neutron.common import utils
from neutron.extensions import extra_dhcp_opt as edo_ext
from neutron.tests import base
LOG = logging.getLogger(__name__)
class FakeIPAllocation(object):
def __init__(self, address, subnet_id=None):
self.ip_address = address
self.subnet_id = subnet_id
class FakeDNSAssignment(object):
def __init__(self, ip_address, dns_name='', domain='openstacklocal'):
if dns_name:
self.hostname = dns_name
else:
self.hostname = 'host-%s' % ip_address.replace(
'.', '-').replace(':', '-')
self.ip_address = ip_address
self.fqdn = self.hostname
if domain:
self.fqdn = '%s.%s.' % (self.hostname, domain)
class DhcpOpt(object):
def __init__(self, **kwargs):
self.__dict__.update(ip_version=4)
self.__dict__.update(kwargs)
def __str__(self):
return str(self.__dict__)
# A base class where class attributes can also be accessed by treating
# an instance as a dict.
class Dictable(object):
def __getitem__(self, k):
return self.__class__.__dict__.get(k)
class FakeDhcpPort(object):
id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaa'
admin_state_up = True
device_owner = 'network:dhcp'
fixed_ips = [FakeIPAllocation('192.168.0.1',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
mac_address = '00:00:80:aa:bb:ee'
device_id = 'fake_dhcp_port'
def __init__(self):
self.extra_dhcp_opts = []
class FakeReservedPort(object):
admin_state_up = True
device_owner = 'network:dhcp'
fixed_ips = [FakeIPAllocation('192.168.0.6',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
mac_address = '00:00:80:aa:bb:ee'
device_id = constants.DEVICE_ID_RESERVED_DHCP_PORT
def __init__(self, id='reserved-aaaa-aaaa-aaaa-aaaaaaaaaaa'):
self.extra_dhcp_opts = []
self.id = id
class FakePort1(object):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
admin_state_up = True
device_owner = 'foo1'
fixed_ips = [FakeIPAllocation('192.168.0.2',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
mac_address = '00:00:80:aa:bb:cc'
device_id = 'fake_port1'
def __init__(self, domain='openstacklocal'):
self.extra_dhcp_opts = []
self.dns_assignment = [FakeDNSAssignment('192.168.0.2', domain=domain)]
class FakePort2(object):
id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
admin_state_up = False
device_owner = 'foo2'
fixed_ips = [FakeIPAllocation('192.168.0.3',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
mac_address = '00:00:f3:aa:bb:cc'
device_id = 'fake_port2'
dns_assignment = [FakeDNSAssignment('192.168.0.3')]
def __init__(self):
self.extra_dhcp_opts = []
class FakePort3(object):
id = '44444444-4444-4444-4444-444444444444'
admin_state_up = True
device_owner = 'foo3'
fixed_ips = [FakeIPAllocation('192.168.0.4',
'dddddddd-dddd-dddd-dddd-dddddddddddd'),
FakeIPAllocation('192.168.1.2',
'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee')]
dns_assignment = [FakeDNSAssignment('192.168.0.4'),
FakeDNSAssignment('192.168.1.2')]
mac_address = '00:00:0f:aa:bb:cc'
device_id = 'fake_port3'
def __init__(self):
self.extra_dhcp_opts = []
class FakePort4(object):
id = 'gggggggg-gggg-gggg-gggg-gggggggggggg'
admin_state_up = False
device_owner = 'foo3'
fixed_ips = [FakeIPAllocation('192.168.0.4',
'dddddddd-dddd-dddd-dddd-dddddddddddd'),
FakeIPAllocation('ffda:3ba5:a17a:4ba3:0216:3eff:fec2:771d',
'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee')]
dns_assignment = [
FakeDNSAssignment('192.168.0.4'),
FakeDNSAssignment('ffda:3ba5:a17a:4ba3:0216:3eff:fec2:771d')]
mac_address = '00:16:3E:C2:77:1D'
device_id = 'fake_port4'
def __init__(self):
self.extra_dhcp_opts = []
class FakePort5(object):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeee'
admin_state_up = True
device_owner = 'foo5'
fixed_ips = [FakeIPAllocation('192.168.0.5',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
dns_assignment = [FakeDNSAssignment('192.168.0.5')]
mac_address = '00:00:0f:aa:bb:55'
device_id = 'fake_port5'
def __init__(self):
self.extra_dhcp_opts = [
DhcpOpt(opt_name=edo_ext.CLIENT_ID,
opt_value='test5')]
class FakePort6(object):
id = 'ccccccccc-cccc-cccc-cccc-ccccccccc'
admin_state_up = True
device_owner = 'foo6'
fixed_ips = [FakeIPAllocation('192.168.0.6',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
dns_assignment = [FakeDNSAssignment('192.168.0.6')]
mac_address = '00:00:0f:aa:bb:66'
device_id = 'fake_port6'
def __init__(self):
self.extra_dhcp_opts = [
DhcpOpt(opt_name=edo_ext.CLIENT_ID,
opt_value='test6',
ip_version=4),
DhcpOpt(opt_name='dns-server',
opt_value='123.123.123.45',
ip_version=4)]
class FakeV6Port(object):
id = 'hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh'
admin_state_up = True
device_owner = 'foo3'
fixed_ips = [FakeIPAllocation('fdca:3ba5:a17a:4ba3::2',
'ffffffff-ffff-ffff-ffff-ffffffffffff')]
mac_address = '00:00:f3:aa:bb:cc'
device_id = 'fake_port6'
def __init__(self, domain='openstacklocal'):
self.extra_dhcp_opts = []
self.dns_assignment = [FakeDNSAssignment('fdca:3ba5:a17a:4ba3::2',
domain=domain)]
class FakeV6PortExtraOpt(object):
id = 'hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh'
admin_state_up = True
device_owner = 'foo3'
fixed_ips = [FakeIPAllocation('ffea:3ba5:a17a:4ba3:0216:3eff:fec2:771d',
'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee')]
dns_assignment = [
FakeDNSAssignment('ffea:3ba5:a17a:4ba3:0216:3eff:fec2:771d')]
mac_address = '00:16:3e:c2:77:1d'
device_id = 'fake_port6'
def __init__(self):
self.extra_dhcp_opts = [
DhcpOpt(opt_name='dns-server',
opt_value='ffea:3ba5:a17a:4ba3::100',
ip_version=6)]
class FakeDualPortWithV6ExtraOpt(object):
id = 'hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh'
admin_state_up = True
device_owner = 'foo3'
fixed_ips = [FakeIPAllocation('192.168.0.3',
'dddddddd-dddd-dddd-dddd-dddddddddddd'),
FakeIPAllocation('ffea:3ba5:a17a:4ba3:0216:3eff:fec2:771d',
'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee')]
dns_assignment = [
FakeDNSAssignment('192.168.0.3'),
FakeDNSAssignment('ffea:3ba5:a17a:4ba3:0216:3eff:fec2:771d')]
mac_address = '00:16:3e:c2:77:1d'
device_id = 'fake_port6'
def __init__(self):
self.extra_dhcp_opts = [
DhcpOpt(opt_name='dns-server',
opt_value='ffea:3ba5:a17a:4ba3::100',
ip_version=6)]
class FakeDualPort(object):
id = 'hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh'
admin_state_up = True
device_owner = 'foo3'
fixed_ips = [FakeIPAllocation('192.168.0.3',
'dddddddd-dddd-dddd-dddd-dddddddddddd'),
FakeIPAllocation('fdca:3ba5:a17a:4ba3::3',
'ffffffff-ffff-ffff-ffff-ffffffffffff')]
mac_address = '00:00:0f:aa:bb:cc'
device_id = 'fake_dual_port'
def __init__(self, domain='openstacklocal'):
self.extra_dhcp_opts = []
self.dns_assignment = [FakeDNSAssignment('192.168.0.3', domain=domain),
FakeDNSAssignment('fdca:3ba5:a17a:4ba3::3',
domain=domain)]
class FakeRouterPort(object):
id = 'rrrrrrrr-rrrr-rrrr-rrrr-rrrrrrrrrrrr'
admin_state_up = True
device_owner = constants.DEVICE_OWNER_ROUTER_INTF
mac_address = '00:00:0f:rr:rr:rr'
device_id = 'fake_router_port'
dns_assignment = []
def __init__(self, dev_owner=constants.DEVICE_OWNER_ROUTER_INTF,
ip_address='192.168.0.1', domain='openstacklocal'):
self.extra_dhcp_opts = []
self.device_owner = dev_owner
self.fixed_ips = [FakeIPAllocation(
ip_address, 'dddddddd-dddd-dddd-dddd-dddddddddddd')]
self.dns_assignment = [FakeDNSAssignment(ip.ip_address, domain=domain)
for ip in self.fixed_ips]
class FakeRouterPort2(object):
id = 'rrrrrrrr-rrrr-rrrr-rrrr-rrrrrrrrrrrr'
admin_state_up = True
device_owner = constants.DEVICE_OWNER_ROUTER_INTF
fixed_ips = [FakeIPAllocation('192.168.1.1',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
dns_assignment = [FakeDNSAssignment('192.168.1.1')]
mac_address = '00:00:0f:rr:rr:r2'
device_id = 'fake_router_port2'
def __init__(self):
self.extra_dhcp_opts = []
class FakePortMultipleAgents1(object):
id = 'rrrrrrrr-rrrr-rrrr-rrrr-rrrrrrrrrrrr'
admin_state_up = True
device_owner = constants.DEVICE_OWNER_DHCP
fixed_ips = [FakeIPAllocation('192.168.0.5',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
dns_assignment = [FakeDNSAssignment('192.168.0.5')]
mac_address = '00:00:0f:dd:dd:dd'
device_id = 'fake_multiple_agents_port'
def __init__(self):
self.extra_dhcp_opts = []
class FakePortMultipleAgents2(object):
id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
admin_state_up = True
device_owner = constants.DEVICE_OWNER_DHCP
fixed_ips = [FakeIPAllocation('192.168.0.6',
'dddddddd-dddd-dddd-dddd-dddddddddddd')]
dns_assignment = [FakeDNSAssignment('192.168.0.6')]
mac_address = '00:00:0f:ee:ee:ee'
device_id = 'fake_multiple_agents_port2'
def __init__(self):
self.extra_dhcp_opts = []
class FakeV4HostRoute(object):
destination = '20.0.0.1/24'
nexthop = '20.0.0.1'
class FakeV4HostRouteGateway(object):
destination = constants.IPv4_ANY
nexthop = '10.0.0.1'
class FakeV6HostRoute(object):
destination = '2001:0200:feed:7ac0::/64'
nexthop = '2001:0200:feed:7ac0::1'
class FakeV4Subnet(Dictable):
id = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
ip_version = 4
cidr = '192.168.0.0/24'
gateway_ip = '192.168.0.1'
enable_dhcp = True
host_routes = [FakeV4HostRoute]
dns_nameservers = ['8.8.8.8']
class FakeV4Subnet2(FakeV4Subnet):
cidr = '192.168.1.0/24'
gateway_ip = '192.168.1.1'
host_routes = []
class FakeV4MetadataSubnet(FakeV4Subnet):
cidr = '169.254.169.254/30'
gateway_ip = '169.254.169.253'
host_routes = []
dns_nameservers = []
class FakeV4SubnetGatewayRoute(FakeV4Subnet):
host_routes = [FakeV4HostRouteGateway]
class FakeV4SubnetMultipleAgentsWithoutDnsProvided(FakeV4Subnet):
dns_nameservers = []
host_routes = []
class FakeV4SubnetAgentWithManyDnsProvided(FakeV4Subnet):
dns_nameservers = ['2.2.2.2', '9.9.9.9', '1.1.1.1',
'3.3.3.3']
host_routes = []
class FakeV4MultipleAgentsWithoutDnsProvided(object):
id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
subnets = [FakeV4SubnetMultipleAgentsWithoutDnsProvided()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort(),
FakePortMultipleAgents1(), FakePortMultipleAgents2()]
namespace = 'qdhcp-ns'
class FakeV4AgentWithoutDnsProvided(object):
id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
subnets = [FakeV4SubnetMultipleAgentsWithoutDnsProvided()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort(),
FakePortMultipleAgents1()]
namespace = 'qdhcp-ns'
class FakeV4AgentWithManyDnsProvided(object):
id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
subnets = [FakeV4SubnetAgentWithManyDnsProvided()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort(),
FakePortMultipleAgents1()]
namespace = 'qdhcp-ns'
class FakeV4SubnetMultipleAgentsWithDnsProvided(FakeV4Subnet):
host_routes = []
class FakeV4MultipleAgentsWithDnsProvided(object):
id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
subnets = [FakeV4SubnetMultipleAgentsWithDnsProvided()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort(),
FakePortMultipleAgents1(), FakePortMultipleAgents2()]
namespace = 'qdhcp-ns'
class FakeV6Subnet(object):
id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
ip_version = 6
cidr = 'fdca:3ba5:a17a:4ba3::/64'
gateway_ip = 'fdca:3ba5:a17a:4ba3::1'
enable_dhcp = True
host_routes = [FakeV6HostRoute]
dns_nameservers = ['2001:0200:feed:7ac0::1']
ipv6_ra_mode = None
ipv6_address_mode = None
class FakeV4SubnetNoDHCP(object):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
ip_version = 4
cidr = '192.168.1.0/24'
gateway_ip = '192.168.1.1'
enable_dhcp = False
host_routes = []
dns_nameservers = []
class FakeV6SubnetDHCPStateful(Dictable):
id = 'ffffffff-ffff-ffff-ffff-ffffffffffff'
ip_version = 6
cidr = 'fdca:3ba5:a17a:4ba3::/64'
gateway_ip = 'fdca:3ba5:a17a:4ba3::1'
enable_dhcp = True
host_routes = [FakeV6HostRoute]
dns_nameservers = ['2001:0200:feed:7ac0::1']
ipv6_ra_mode = None
ipv6_address_mode = constants.DHCPV6_STATEFUL
class FakeV6SubnetSlaac(object):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
ip_version = 6
cidr = 'ffda:3ba5:a17a:4ba3::/64'
gateway_ip = 'ffda:3ba5:a17a:4ba3::1'
enable_dhcp = True
host_routes = [FakeV6HostRoute]
ipv6_address_mode = constants.IPV6_SLAAC
ipv6_ra_mode = None
class FakeV6SubnetStateless(object):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
ip_version = 6
cidr = 'ffea:3ba5:a17a:4ba3::/64'
gateway_ip = 'ffea:3ba5:a17a:4ba3::1'
enable_dhcp = True
dns_nameservers = []
host_routes = []
ipv6_address_mode = constants.DHCPV6_STATELESS
ipv6_ra_mode = None
class FakeV4SubnetNoGateway(FakeV4Subnet):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
cidr = '192.168.1.0/24'
gateway_ip = None
enable_dhcp = True
host_routes = []
dns_nameservers = []
class FakeV4SubnetNoRouter(FakeV4Subnet):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
cidr = '192.168.1.0/24'
gateway_ip = '192.168.1.1'
host_routes = []
dns_nameservers = []
class FakeV4Network(object):
id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
subnets = [FakeV4Subnet()]
ports = [FakePort1()]
namespace = 'qdhcp-ns'
class FakeV4NetworkClientId(object):
id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
subnets = [FakeV4Subnet()]
ports = [FakePort1(), FakePort5(), FakePort6()]
namespace = 'qdhcp-ns'
class FakeV6Network(object):
id = 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb'
subnets = [FakeV6Subnet()]
ports = [FakePort2()]
namespace = 'qdhcp-ns'
class FakeDualNetwork(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4Subnet(), FakeV6SubnetDHCPStateful()]
# ports = [FakePort1(), FakeV6Port(), FakeDualPort(), FakeRouterPort()]
namespace = 'qdhcp-ns'
def __init__(self, domain='openstacklocal'):
self.ports = [FakePort1(domain=domain), FakeV6Port(domain=domain),
FakeDualPort(domain=domain),
FakeRouterPort(domain=domain)]
class FakeDeviceManagerNetwork(object):
# Use instance rather than class attributes here, so that we get
# an independent set of ports each time FakeDeviceManagerNetwork()
# is used.
def __init__(self):
self.id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
self.subnets = [FakeV4Subnet(), FakeV6SubnetDHCPStateful()]
self.ports = [FakePort1(),
FakeV6Port(),
FakeDualPort(),
FakeRouterPort()]
self.namespace = 'qdhcp-ns'
class FakeDualNetworkReserved(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4Subnet(), FakeV6SubnetDHCPStateful()]
ports = [FakePort1(), FakeV6Port(), FakeDualPort(), FakeRouterPort(),
FakeReservedPort()]
namespace = 'qdhcp-ns'
class FakeDualNetworkReserved2(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4Subnet(), FakeV6SubnetDHCPStateful()]
ports = [FakePort1(), FakeV6Port(), FakeDualPort(), FakeRouterPort(),
FakeReservedPort(), FakeReservedPort(id='reserved-2')]
namespace = 'qdhcp-ns'
class FakeNetworkDhcpPort(object):
id = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
subnets = [FakeV4Subnet()]
ports = [FakePort1(), FakeDhcpPort()]
namespace = 'qdhcp-ns'
class FakeDualNetworkGatewayRoute(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4SubnetGatewayRoute(), FakeV6SubnetDHCPStateful()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort()]
namespace = 'qdhcp-ns'
class FakeDualNetworkSingleDHCP(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4Subnet(), FakeV4SubnetNoDHCP()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort()]
namespace = 'qdhcp-ns'
class FakeDualNetworkDualDHCP(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4Subnet(), FakeV4Subnet2()]
ports = [FakePort1(), FakeRouterPort(), FakeRouterPort2()]
namespace = 'qdhcp-ns'
class FakeV4NoGatewayNetwork(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4SubnetNoGateway()]
ports = [FakePort1()]
class FakeV4NetworkNoRouter(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4SubnetNoRouter()]
ports = [FakePort1()]
class FakeV4MetadataNetwork(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4MetadataSubnet()]
ports = [FakeRouterPort(ip_address='169.254.169.253')]
class FakeV4NetworkDistRouter(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4Subnet()]
ports = [FakePort1(),
FakeRouterPort(dev_owner=constants.DEVICE_OWNER_DVR_INTERFACE)]
class FakeDualV4Pxe3Ports(object):
id = 'cccccccc-cccc-cccc-cccc-cccccccccccc'
subnets = [FakeV4Subnet(), FakeV4SubnetNoDHCP()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort()]
namespace = 'qdhcp-ns'
def __init__(self, port_detail="portsSame"):
if port_detail == "portsSame":
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
self.ports[1].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.1.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.1.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux2.0')]
self.ports[2].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.1.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.1.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux3.0')]
else:
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.2'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
self.ports[1].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.5'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.5'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux2.0')]
self.ports[2].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.7'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.7'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux3.0')]
class FakeV4NetworkPxe2Ports(object):
id = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
subnets = [FakeV4Subnet()]
ports = [FakePort1(), FakePort2(), FakeRouterPort()]
namespace = 'qdhcp-ns'
def __init__(self, port_detail="portsSame"):
if port_detail == "portsSame":
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
self.ports[1].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
else:
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
self.ports[1].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.5'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.5'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
class FakeV4NetworkPxe3Ports(object):
id = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
subnets = [FakeV4Subnet()]
ports = [FakePort1(), FakePort2(), FakePort3(), FakeRouterPort()]
namespace = 'qdhcp-ns'
def __init__(self, port_detail="portsSame"):
if port_detail == "portsSame":
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
self.ports[1].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.1.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.1.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
self.ports[2].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.1.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.1.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
else:
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.3'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.2'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0')]
self.ports[1].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.5'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.5'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux2.0')]
self.ports[2].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.7'),
DhcpOpt(opt_name='server-ip-address', opt_value='192.168.0.7'),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux3.0')]
class FakeV6NetworkPxePort(object):
id = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
subnets = [FakeV6SubnetDHCPStateful()]
ports = [FakeV6Port()]
namespace = 'qdhcp-ns'
def __init__(self):
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='2001:192:168::1',
ip_version=6),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0',
ip_version=6)]
class FakeV6NetworkPxePortWrongOptVersion(object):
id = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
subnets = [FakeV6SubnetDHCPStateful()]
ports = [FakeV6Port()]
namespace = 'qdhcp-ns'
def __init__(self):
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tftp-server', opt_value='192.168.0.7',
ip_version=4),
DhcpOpt(opt_name='bootfile-name', opt_value='pxelinux.0',
ip_version=6)]
class FakeDualStackNetworkSingleDHCP(object):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
subnets = [FakeV4Subnet(), FakeV6SubnetSlaac()]
ports = [FakePort1(), FakePort4(), FakeRouterPort()]
class FakeDualStackNetworkingSingleDHCPTags(object):
id = 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'
subnets = [FakeV4Subnet(), FakeV6SubnetSlaac()]
ports = [FakePort1(), FakePort4(), FakeRouterPort()]
def __init__(self):
for port in self.ports:
port.extra_dhcp_opts = [
DhcpOpt(opt_name='tag:ipxe,bootfile-name',
opt_value='pxelinux.0')]
class FakeV4NetworkMultipleTags(object):
id = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
subnets = [FakeV4Subnet()]
ports = [FakePort1(), FakeRouterPort()]
namespace = 'qdhcp-ns'
def __init__(self):
self.ports[0].extra_dhcp_opts = [
DhcpOpt(opt_name='tag:ipxe,bootfile-name', opt_value='pxelinux.0')]
class FakeV6NetworkStatelessDHCP(object):
id = 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb'
subnets = [FakeV6SubnetStateless()]
ports = [FakeV6PortExtraOpt()]
namespace = 'qdhcp-ns'
class FakeNetworkWithV6SatelessAndV4DHCPSubnets(object):
id = 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb'
subnets = [FakeV6SubnetStateless(), FakeV4Subnet()]
ports = [FakeDualPortWithV6ExtraOpt(), FakeRouterPort()]
namespace = 'qdhcp-ns'
class LocalChild(dhcp.DhcpLocalProcess):
PORTS = {4: [4], 6: [6]}
def __init__(self, *args, **kwargs):
self.process_monitor = mock.Mock()
kwargs['process_monitor'] = self.process_monitor
super(LocalChild, self).__init__(*args, **kwargs)
self.called = []
def reload_allocations(self):
self.called.append('reload')
def restart(self):
self.called.append('restart')
def spawn_process(self):
self.called.append('spawn')
class TestConfBase(base.BaseTestCase):
def setUp(self):
super(TestConfBase, self).setUp()
self.conf = config.setup_conf()
self.conf.register_opts(base_config.core_opts)
self.conf.register_opts(dhcp_config.DHCP_OPTS)
self.conf.register_opts(dhcp_config.DNSMASQ_OPTS)
self.conf.register_opts(external_process.OPTS)
config.register_interface_driver_opts_helper(self.conf)
config.register_use_namespaces_opts_helper(self.conf)
class TestBase(TestConfBase):
def setUp(self):
super(TestBase, self).setUp()
instance = mock.patch("neutron.agent.linux.dhcp.DeviceManager")
self.mock_mgr = instance.start()
self.conf.register_opt(cfg.BoolOpt('enable_isolated_metadata',
default=True))
self.conf.register_opt(cfg.BoolOpt("force_metadata",
default=False))
self.conf.register_opt(cfg.BoolOpt('enable_metadata_network',
default=False))
self.config_parse(self.conf)
self.conf.set_override('state_path', '')
self.replace_p = mock.patch('neutron.agent.linux.utils.replace_file')
self.execute_p = mock.patch('neutron.agent.common.utils.execute')
self.safe = self.replace_p.start()
self.execute = self.execute_p.start()
self.makedirs = mock.patch('os.makedirs').start()
self.rmtree = mock.patch('shutil.rmtree').start()
self.external_process = mock.patch(
'neutron.agent.linux.external_process.ProcessManager').start()
self.mock_mgr.return_value.driver.bridged = True
class TestDhcpBase(TestBase):
def test_existing_dhcp_networks_abstract_error(self):
self.assertRaises(NotImplementedError,
dhcp.DhcpBase.existing_dhcp_networks,
None)
def test_check_version_abstract_error(self):
self.assertRaises(NotImplementedError,
dhcp.DhcpBase.check_version)
def test_base_abc_error(self):
self.assertRaises(TypeError, dhcp.DhcpBase, None)
def test_restart(self):
class SubClass(dhcp.DhcpBase):
def __init__(self):
dhcp.DhcpBase.__init__(self, cfg.CONF, FakeV4Network(),
mock.Mock(), None)
self.called = []
def enable(self):
self.called.append('enable')
def disable(self, retain_port=False):
self.called.append('disable %s' % retain_port)
def reload_allocations(self):
pass
@property
def active(self):
return True
c = SubClass()
c.restart()
self.assertEqual(c.called, ['disable True', 'enable'])
class TestDhcpLocalProcess(TestBase):
def test_get_conf_file_name(self):
tpl = '/dhcp/aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa/dev'
lp = LocalChild(self.conf, FakeV4Network())
self.assertEqual(lp.get_conf_file_name('dev'), tpl)
@mock.patch.object(utils, 'ensure_dir')
def test_ensure_dir_called(self, ensure_dir):
LocalChild(self.conf, FakeV4Network())
ensure_dir.assert_called_once_with(
'/dhcp/aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa')
def test_enable_already_active(self):
with mock.patch.object(LocalChild, 'active') as patched:
patched.__get__ = mock.Mock(return_value=True)
lp = LocalChild(self.conf, FakeV4Network())
lp.enable()
self.assertEqual(lp.called, ['restart'])
self.assertFalse(self.mock_mgr.return_value.setup.called)
@mock.patch.object(utils, 'ensure_dir')
def test_enable(self, ensure_dir):
attrs_to_mock = dict(
[(a, mock.DEFAULT) for a in
['active', 'interface_name']]
)
with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
mocks['active'].__get__ = mock.Mock(return_value=False)
mocks['interface_name'].__set__ = mock.Mock()
lp = LocalChild(self.conf,
FakeDualNetwork())
lp.enable()
self.mock_mgr.assert_has_calls(
[mock.call(self.conf, None),
mock.call().setup(mock.ANY)])
self.assertEqual(lp.called, ['spawn'])
self.assertTrue(mocks['interface_name'].__set__.called)
ensure_dir.assert_called_with(
'/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc')
def _assert_disabled(self, lp):
self.assertTrue(lp.process_monitor.unregister.called)
self.assertTrue(self.external_process().disable.called)
def test_disable_not_active(self):
attrs_to_mock = dict([(a, mock.DEFAULT) for a in
['active', 'interface_name']])
with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
mocks['active'].__get__ = mock.Mock(return_value=False)
mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
network = FakeDualNetwork()
lp = LocalChild(self.conf, network)
lp.device_manager = mock.Mock()
lp.disable()
lp.device_manager.destroy.assert_called_once_with(
network, 'tap0')
self._assert_disabled(lp)
def test_disable_retain_port(self):
attrs_to_mock = dict([(a, mock.DEFAULT) for a in
['active', 'interface_name']])
network = FakeDualNetwork()
with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
mocks['active'].__get__ = mock.Mock(return_value=True)
mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
lp = LocalChild(self.conf, network)
lp.disable(retain_port=True)
self._assert_disabled(lp)
def test_disable(self):
self.conf.set_override('dhcp_delete_namespaces', False)
attrs_to_mock = dict([(a, mock.DEFAULT) for a in
['active', 'interface_name']])
network = FakeDualNetwork()
with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
mocks['active'].__get__ = mock.Mock(return_value=True)
mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
lp = LocalChild(self.conf, network)
with mock.patch('neutron.agent.linux.ip_lib.IPWrapper') as ip:
lp.disable()
self._assert_disabled(lp)
self.mock_mgr.assert_has_calls([mock.call(self.conf, None),
mock.call().destroy(network, 'tap0')])
self.assertEqual(ip.return_value.netns.delete.call_count, 0)
def test_disable_delete_ns(self):
attrs_to_mock = {'active': mock.DEFAULT}
with mock.patch.multiple(LocalChild, **attrs_to_mock) as mocks:
mocks['active'].__get__ = mock.Mock(return_value=False)
lp = LocalChild(self.conf, FakeDualNetwork())
with mock.patch('neutron.agent.linux.ip_lib.IPWrapper') as ip:
lp.disable()
self._assert_disabled(lp)
ip.return_value.netns.delete.assert_called_with('qdhcp-ns')
def test_disable_config_dir_removed_after_destroy(self):
parent = mock.MagicMock()
parent.attach_mock(self.rmtree, 'rmtree')
parent.attach_mock(self.mock_mgr, 'DeviceManager')
lp = LocalChild(self.conf, FakeDualNetwork())
lp.disable(retain_port=False)
expected = [mock.call.DeviceManager().destroy(mock.ANY, mock.ANY),
mock.call.rmtree(mock.ANY, ignore_errors=True)]
parent.assert_has_calls(expected)
def test_get_interface_name(self):
with mock.patch('six.moves.builtins.open') as mock_open:
mock_open.return_value.__enter__ = lambda s: s
mock_open.return_value.__exit__ = mock.Mock()
mock_open.return_value.read.return_value = 'tap0'
lp = LocalChild(self.conf, FakeDualNetwork())
self.assertEqual(lp.interface_name, 'tap0')
def test_set_interface_name(self):
with mock.patch('neutron.agent.linux.utils.replace_file') as replace:
lp = LocalChild(self.conf, FakeDualNetwork())
with mock.patch.object(lp, 'get_conf_file_name') as conf_file:
conf_file.return_value = '/interface'
lp.interface_name = 'tap0'
conf_file.assert_called_once_with('interface')
replace.assert_called_once_with(mock.ANY, 'tap0')
class TestDnsmasq(TestBase):
def _get_dnsmasq(self, network, process_monitor=None):
process_monitor = process_monitor or mock.Mock()
return dhcp.Dnsmasq(self.conf, network,
process_monitor=process_monitor)
def _test_spawn(self, extra_options, network=FakeDualNetwork(),
max_leases=16777216, lease_duration=86400,
has_static=True):
def mock_get_conf_file_name(kind):
return '/dhcp/%s/%s' % (network.id, kind)
# if you need to change this path here, think twice,
# that means pid files will move around, breaking upgrades
# or backwards-compatibility
expected_pid_file = '/dhcp/%s/pid' % network.id
expected = [
'dnsmasq',
'--no-hosts',
'--no-resolv',
'--strict-order',
'--except-interface=lo',
'--pid-file=%s' % expected_pid_file,
'--dhcp-hostsfile=/dhcp/%s/host' % network.id,
'--addn-hosts=/dhcp/%s/addn_hosts' % network.id,
'--dhcp-optsfile=/dhcp/%s/opts' % network.id,
'--dhcp-leasefile=/dhcp/%s/leases' % network.id,
'--dhcp-match=set:ipxe,175',
'--bind-interfaces',
'--interface=tap0',
]
seconds = ''
if lease_duration == -1:
lease_duration = 'infinite'
else:
seconds = 's'
if has_static:
prefix = '--dhcp-range=set:tag%d,%s,static,%s%s'
prefix6 = '--dhcp-range=set:tag%d,%s,static,%s,%s%s'
else:
prefix = '--dhcp-range=set:tag%d,%s,%s%s'
prefix6 = '--dhcp-range=set:tag%d,%s,%s,%s%s'
possible_leases = 0
for i, s in enumerate(network.subnets):
if (s.ip_version != 6
or s.ipv6_address_mode == constants.DHCPV6_STATEFUL):
if s.ip_version == 4:
expected.extend([prefix % (
i, s.cidr.split('/')[0], lease_duration, seconds)])
else:
expected.extend([prefix6 % (
i, s.cidr.split('/')[0], s.cidr.split('/')[1],
lease_duration, seconds)])
possible_leases += netaddr.IPNetwork(s.cidr).size
if cfg.CONF.advertise_mtu:
if hasattr(network, 'mtu'):
expected.append(
'--dhcp-option-force=option:mtu,%s' % network.mtu)
expected.append('--dhcp-lease-max=%d' % min(
possible_leases, max_leases))
expected.extend(extra_options)
self.execute.return_value = ('', '')
attrs_to_mock = dict(
[(a, mock.DEFAULT) for a in
['_output_opts_file', 'get_conf_file_name', 'interface_name']]
)
test_pm = mock.Mock()
with mock.patch.multiple(dhcp.Dnsmasq, **attrs_to_mock) as mocks:
mocks['get_conf_file_name'].side_effect = mock_get_conf_file_name
mocks['_output_opts_file'].return_value = (
'/dhcp/%s/opts' % network.id
)
mocks['interface_name'].__get__ = mock.Mock(return_value='tap0')
dm = self._get_dnsmasq(network, test_pm)
dm.spawn_process()
self.assertTrue(mocks['_output_opts_file'].called)
self.assertTrue(test_pm.register.called)
self.external_process().enable.assert_called_once_with(
reload_cfg=False)
call_kwargs = self.external_process.mock_calls[0][2]
cmd_callback = call_kwargs['default_cmd_callback']
result_cmd = cmd_callback(expected_pid_file)
self.assertEqual(expected, result_cmd)
def test_spawn(self):
self._test_spawn(['--conf-file=', '--domain=openstacklocal'])
def test_spawn_infinite_lease_duration(self):
self.conf.set_override('dhcp_lease_duration', -1)
self._test_spawn(['--conf-file=', '--domain=openstacklocal'],
FakeDualNetwork(), 16777216, -1)
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):
(exp_host_name, exp_host_data,
exp_addn_name, exp_addn_data) = self._test_no_dhcp_domain_alloc_data
self.conf.set_override('dhcp_domain', '')
network = FakeDualNetwork(domain=self.conf.dhcp_domain)
self._test_spawn(['--conf-file='], network=network)
self.safe.assert_has_calls([mock.call(exp_host_name, exp_host_data),
mock.call(exp_addn_name, exp_addn_data)])
def test_spawn_no_dhcp_range(self):
network = FakeV6Network()
subnet = FakeV6SubnetSlaac()
network.subnets = [subnet]
self._test_spawn(['--conf-file=', '--domain=openstacklocal'],
network, has_static=False)
def test_spawn_cfg_dns_server(self):
self.conf.set_override('dnsmasq_dns_servers', ['8.8.8.8'])
self._test_spawn(['--conf-file=',
'--server=8.8.8.8',
'--domain=openstacklocal'])
def test_spawn_cfg_multiple_dns_server(self):
self.conf.set_override('dnsmasq_dns_servers', ['8.8.8.8',
'9.9.9.9'])
self._test_spawn(['--conf-file=',
'--server=8.8.8.8',
'--server=9.9.9.9',
'--domain=openstacklocal'])
def test_spawn_cfg_enable_dnsmasq_log(self):
self.conf.set_override('dnsmasq_base_log_dir', '/tmp')
network = FakeV4Network()
dhcp_dns_log = \
'/tmp/aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa/dhcp_dns_log'
self._test_spawn(['--conf-file=',
'--domain=openstacklocal',
'--log-queries',
'--log-dhcp',
('--log-facility=%s' % dhcp_dns_log)],
network)
self.makedirs.assert_called_with(os.path.join('/tmp', network.id))
def test_spawn_max_leases_is_smaller_than_cap(self):
self._test_spawn(
['--conf-file=', '--domain=openstacklocal'],
network=FakeV4Network(),
max_leases=256)
def test_spawn_cfg_broadcast(self):
self.conf.set_override('dhcp_broadcast_reply', True)
self._test_spawn(['--conf-file=', '--domain=openstacklocal',
'--dhcp-broadcast'])
def test_spawn_cfg_advertise_mtu(self):
cfg.CONF.set_override('advertise_mtu', True)
network = FakeV4Network()
network.mtu = 1500
self._test_spawn(['--conf-file=', '--domain=openstacklocal'],
network)
def test_spawn_cfg_advertise_mtu_plugin_doesnt_pass_mtu_value(self):
cfg.CONF.set_override('advertise_mtu', True)
network = FakeV4Network()
self._test_spawn(['--conf-file=', '--domain=openstacklocal'],
network)
def _test_output_init_lease_file(self, timestamp):
expected = [
'00:00:80:aa:bb:cc 192.168.0.2 * *',
'00:00:f3:aa:bb:cc [fdca:3ba5:a17a:4ba3::2] * *',
'00:00:0f:aa:bb:cc 192.168.0.3 * *',
'00:00:0f:aa:bb:cc [fdca:3ba5:a17a:4ba3::3] * *',
'00:00:0f:rr:rr:rr 192.168.0.1 * *\n']
expected = "\n".join(['%s %s' % (timestamp, l) for l in expected])
with mock.patch.object(dhcp.Dnsmasq, 'get_conf_file_name') as conf_fn:
conf_fn.return_value = '/foo/leases'
dm = self._get_dnsmasq(FakeDualNetwork())
dm._output_init_lease_file()
self.safe.assert_called_once_with('/foo/leases', expected)
@mock.patch('time.time')
def test_output_init_lease_file(self, tmock):
self.conf.set_override('dhcp_lease_duration', 500)
tmock.return_value = 1000000
# lease duration should be added to current time
timestamp = 1000000 + 500
self._test_output_init_lease_file(timestamp)
def test_output_init_lease_file_infinite_duration(self):
self.conf.set_override('dhcp_lease_duration', -1)
# when duration is infinite, lease db timestamp should be 0
timestamp = 0
self._test_output_init_lease_file(timestamp)
def _test_output_opts_file(self, expected, network, ipm_retval=None):
with mock.patch.object(dhcp.Dnsmasq, 'get_conf_file_name') as conf_fn:
conf_fn.return_value = '/foo/opts'
dm = self._get_dnsmasq(network)
if ipm_retval:
with mock.patch.object(
dm, '_make_subnet_interface_ip_map') as ipm:
ipm.return_value = ipm_retval
dm._output_opts_file()
self.assertTrue(ipm.called)
else:
dm._output_opts_file()
self.safe.assert_called_once_with('/foo/opts', expected)
def test_output_opts_file(self):
fake_v6 = '2001:0200:feed:7ac0::1'
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:tag1,option6:dns-server,%s\n'
'tag:tag1,option6:domain-search,openstacklocal').lstrip() % (
'[' + fake_v6 + ']')
self._test_output_opts_file(expected, FakeDualNetwork())
def test_output_opts_file_gateway_route(self):
fake_v6 = '2001:0200:feed:7ac0::1'
expected = ('tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,'
'192.168.0.1\ntag:tag0,249,169.254.169.254/32,'
'192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:tag1,option6:dns-server,%s\n'
'tag:tag1,option6:domain-search,'
'openstacklocal').lstrip() % ('[' + fake_v6 + ']')
self._test_output_opts_file(expected, FakeDualNetworkGatewayRoute())
def test_output_opts_file_multiple_agents_without_dns_provided(self):
expected = ('tag:tag0,option:classless-static-route,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,169.254.169.254/32,192.168.0.1,0.0.0.0/0,'
'192.168.0.1\ntag:tag0,option:router,192.168.0.1\n'
'tag:tag0,option:dns-server,192.168.0.5,'
'192.168.0.6').lstrip()
self._test_output_opts_file(expected,
FakeV4MultipleAgentsWithoutDnsProvided())
def test_output_opts_file_agent_dns_provided(self):
expected = ('tag:tag0,option:classless-static-route,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,169.254.169.254/32,192.168.0.1,0.0.0.0/0,'
'192.168.0.1\ntag:tag0,option:router,192.168.0.1'
).lstrip()
self._test_output_opts_file(expected,
FakeV4AgentWithoutDnsProvided())
def test_output_opts_file_agent_with_many_dns_provided(self):
expected = ('tag:tag0,'
'option:dns-server,2.2.2.2,9.9.9.9,1.1.1.1,3.3.3.3\n'
'tag:tag0,option:classless-static-route,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,169.254.169.254/32,192.168.0.1,0.0.0.0/0,'
'192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1').lstrip()
self._test_output_opts_file(expected,
FakeV4AgentWithManyDnsProvided())
def test_output_opts_file_multiple_agents_with_dns_provided(self):
expected = ('tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,169.254.169.254/32,192.168.0.1,0.0.0.0/0,'
'192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1').lstrip()
self._test_output_opts_file(expected,
FakeV4MultipleAgentsWithDnsProvided())
def test_output_opts_file_single_dhcp(self):
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,'
'192.168.1.0/24,0.0.0.0,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,192.168.1.0/24,0.0.0.0,'
'0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1').lstrip()
self._test_output_opts_file(expected, FakeDualNetworkSingleDHCP())
def test_output_opts_file_dual_dhcp_rfc3442(self):
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,'
'192.168.1.0/24,0.0.0.0,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,192.168.1.0/24,0.0.0.0,'
'0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:tag1,option:dns-server,8.8.8.8\n'
'tag:tag1,option:classless-static-route,'
'169.254.169.254/32,192.168.1.1,'
'192.168.0.0/24,0.0.0.0,0.0.0.0/0,192.168.1.1\n'
'tag:tag1,249,169.254.169.254/32,192.168.1.1,'
'192.168.0.0/24,0.0.0.0,0.0.0.0/0,192.168.1.1\n'
'tag:tag1,option:router,192.168.1.1').lstrip()
self._test_output_opts_file(expected, FakeDualNetworkDualDHCP())
def test_output_opts_file_no_gateway(self):
expected = (
'tag:tag0,option:classless-static-route,'
'169.254.169.254/32,192.168.1.1\n'
'tag:tag0,249,169.254.169.254/32,192.168.1.1\n'
'tag:tag0,option:router').lstrip()
ipm_retval = {FakeV4SubnetNoGateway.id: '192.168.1.1'}
self._test_output_opts_file(expected, FakeV4NoGatewayNetwork(),
ipm_retval=ipm_retval)
def test_output_opts_file_no_neutron_router_on_subnet(self):
expected = (
'tag:tag0,option:classless-static-route,'
'169.254.169.254/32,192.168.1.2,0.0.0.0/0,192.168.1.1\n'
'tag:tag0,249,169.254.169.254/32,192.168.1.2,'
'0.0.0.0/0,192.168.1.1\n'
'tag:tag0,option:router,192.168.1.1').lstrip()
ipm_retval = {FakeV4SubnetNoRouter.id: '192.168.1.2'}
self._test_output_opts_file(expected, FakeV4NetworkNoRouter(),
ipm_retval=ipm_retval)
def test_output_opts_file_dist_neutron_router_on_subnet(self):
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1').lstrip()
ipm_retval = {FakeV4Subnet.id: '192.168.0.1'}
self._test_output_opts_file(expected, FakeV4NetworkDistRouter(),
ipm_retval=ipm_retval)
def test_output_opts_file_pxe_2port_1net(self):
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:tftp-server,192.168.0.3\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:server-ip-address,192.168.0.2\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:bootfile-name,pxelinux.0\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:tftp-server,192.168.0.3\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:server-ip-address,192.168.0.2\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:bootfile-name,pxelinux.0').lstrip()
self._test_output_opts_file(expected, FakeV4NetworkPxe2Ports())
def test_output_opts_file_pxe_2port_1net_diff_details(self):
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:tftp-server,192.168.0.3\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:server-ip-address,192.168.0.2\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:bootfile-name,pxelinux.0\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:tftp-server,192.168.0.5\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:server-ip-address,192.168.0.5\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:bootfile-name,pxelinux.0').lstrip()
self._test_output_opts_file(expected,
FakeV4NetworkPxe2Ports("portsDiff"))
def test_output_opts_file_pxe_3port_2net(self):
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,'
'192.168.1.0/24,0.0.0.0,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,192.168.1.0/24,0.0.0.0,'
'0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:tftp-server,192.168.0.3\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:server-ip-address,192.168.0.2\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'option:bootfile-name,pxelinux.0\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:tftp-server,192.168.1.3\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:server-ip-address,192.168.1.2\n'
'tag:ffffffff-ffff-ffff-ffff-ffffffffffff,'
'option:bootfile-name,pxelinux2.0\n'
'tag:44444444-4444-4444-4444-444444444444,'
'option:tftp-server,192.168.1.3\n'
'tag:44444444-4444-4444-4444-444444444444,'
'option:server-ip-address,192.168.1.2\n'
'tag:44444444-4444-4444-4444-444444444444,'
'option:bootfile-name,pxelinux3.0').lstrip()
self._test_output_opts_file(expected, FakeDualV4Pxe3Ports())
def test_output_opts_file_multiple_tags(self):
expected = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee,'
'tag:ipxe,option:bootfile-name,pxelinux.0')
expected = expected.lstrip()
with mock.patch.object(dhcp.Dnsmasq, 'get_conf_file_name') as conf_fn:
conf_fn.return_value = '/foo/opts'
dm = self._get_dnsmasq(FakeV4NetworkMultipleTags())
dm._output_opts_file()
self.safe.assert_called_once_with('/foo/opts', expected)
@mock.patch('neutron.agent.linux.dhcp.Dnsmasq.get_conf_file_name',
return_value='/foo/opts')
def test_output_opts_file_pxe_ipv6_port_with_ipv6_opt(self,
mock_get_conf_fn):
expected = (
'tag:tag0,option6:dns-server,[2001:0200:feed:7ac0::1]\n'
'tag:tag0,option6:domain-search,openstacklocal\n'
'tag:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh,'
'option6:tftp-server,2001:192:168::1\n'
'tag:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh,'
'option6:bootfile-name,pxelinux.0')
expected = expected.lstrip()
dm = self._get_dnsmasq(FakeV6NetworkPxePort())
dm._output_opts_file()
self.safe.assert_called_once_with('/foo/opts', expected)
@mock.patch('neutron.agent.linux.dhcp.Dnsmasq.get_conf_file_name',
return_value='/foo/opts')
def test_output_opts_file_pxe_ipv6_port_with_ipv4_opt(self,
mock_get_conf_fn):
expected = (
'tag:tag0,option6:dns-server,[2001:0200:feed:7ac0::1]\n'
'tag:tag0,option6:domain-search,openstacklocal\n'
'tag:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh,'
'option6:bootfile-name,pxelinux.0')
expected = expected.lstrip()
dm = self._get_dnsmasq(FakeV6NetworkPxePortWrongOptVersion())
dm._output_opts_file()
self.safe.assert_called_once_with('/foo/opts', expected)
def test_output_opts_file_ipv6_address_mode_unset(self):
fake_v6 = '2001:0200:feed:7ac0::1'
expected = (
'tag:tag0,option6:dns-server,%s\n'
'tag:tag0,option6:domain-search,openstacklocal').lstrip() % (
'[' + fake_v6 + ']')
self._test_output_opts_file(expected, FakeV6Network())
@property
def _test_no_dhcp_domain_alloc_data(self):
exp_host_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/host'
exp_host_data = ('00:00:80:aa:bb:cc,host-192-168-0-2,'
'192.168.0.2\n'
'00:00:f3:aa:bb:cc,host-fdca-3ba5-a17a-4ba3--2,'
'[fdca:3ba5:a17a:4ba3::2]\n'
'00:00:0f:aa:bb:cc,host-192-168-0-3,'
'192.168.0.3\n'
'00:00:0f:aa:bb:cc,host-fdca-3ba5-a17a-4ba3--3,'
'[fdca:3ba5:a17a:4ba3::3]\n'
'00:00:0f:rr:rr:rr,host-192-168-0-1,'
'192.168.0.1\n').lstrip()
exp_addn_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/addn_hosts'
exp_addn_data = (
'192.168.0.2\t'
'host-192-168-0-2 host-192-168-0-2\n'
'fdca:3ba5:a17a:4ba3::2\t'
'host-fdca-3ba5-a17a-4ba3--2 '
'host-fdca-3ba5-a17a-4ba3--2\n'
'192.168.0.3\thost-192-168-0-3 '
'host-192-168-0-3\n'
'fdca:3ba5:a17a:4ba3::3\t'
'host-fdca-3ba5-a17a-4ba3--3 '
'host-fdca-3ba5-a17a-4ba3--3\n'
'192.168.0.1\t'
'host-192-168-0-1 '
'host-192-168-0-1\n'
).lstrip()
return (exp_host_name, exp_host_data,
exp_addn_name, exp_addn_data)
@property
def _test_reload_allocation_data(self):
exp_host_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/host'
exp_host_data = ('00:00:80:aa:bb:cc,host-192-168-0-2.openstacklocal.,'
'192.168.0.2\n'
'00:00:f3:aa:bb:cc,host-fdca-3ba5-a17a-4ba3--2.'
'openstacklocal.,[fdca:3ba5:a17a:4ba3::2]\n'
'00:00:0f:aa:bb:cc,host-192-168-0-3.openstacklocal.,'
'192.168.0.3\n'
'00:00:0f:aa:bb:cc,host-fdca-3ba5-a17a-4ba3--3.'
'openstacklocal.,[fdca:3ba5:a17a:4ba3::3]\n'
'00:00:0f:rr:rr:rr,host-192-168-0-1.openstacklocal.,'
'192.168.0.1\n').lstrip()
exp_addn_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/addn_hosts'
exp_addn_data = (
'192.168.0.2\t'
'host-192-168-0-2.openstacklocal. host-192-168-0-2\n'
'fdca:3ba5:a17a:4ba3::2\t'
'host-fdca-3ba5-a17a-4ba3--2.openstacklocal. '
'host-fdca-3ba5-a17a-4ba3--2\n'
'192.168.0.3\thost-192-168-0-3.openstacklocal. '
'host-192-168-0-3\n'
'fdca:3ba5:a17a:4ba3::3\t'
'host-fdca-3ba5-a17a-4ba3--3.openstacklocal. '
'host-fdca-3ba5-a17a-4ba3--3\n'
'192.168.0.1\t'
'host-192-168-0-1.openstacklocal. '
'host-192-168-0-1\n'
).lstrip()
exp_opt_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/opts'
fake_v6 = '2001:0200:feed:7ac0::1'
exp_opt_data = (
'tag:tag0,option:dns-server,8.8.8.8\n'
'tag:tag0,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,249,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag0,option:router,192.168.0.1\n'
'tag:tag1,option6:dns-server,%s\n'
'tag:tag1,option6:domain-search,openstacklocal').lstrip() % (
'[' + fake_v6 + ']')
return (exp_host_name, exp_host_data,
exp_addn_name, exp_addn_data,
exp_opt_name, exp_opt_data,)
def test_reload_allocations(self):
(exp_host_name, exp_host_data,
exp_addn_name, exp_addn_data,
exp_opt_name, exp_opt_data,) = self._test_reload_allocation_data
with mock.patch('six.moves.builtins.open') as mock_open:
mock_open.return_value.__enter__ = lambda s: s
mock_open.return_value.__exit__ = mock.Mock()
mock_open.return_value.readline.return_value = None
test_pm = mock.Mock()
dm = self._get_dnsmasq(FakeDualNetwork(), test_pm)
dm.reload_allocations()
self.assertTrue(test_pm.register.called)
self.external_process().enable.assert_called_once_with(
reload_cfg=True)
self.safe.assert_has_calls([
mock.call(exp_host_name, exp_host_data),
mock.call(exp_addn_name, exp_addn_data),
mock.call(exp_opt_name, exp_opt_data),
])
def test_release_unused_leases(self):
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
ip1 = '192.168.1.2'
mac1 = '00:00:80:aa:bb:cc'
ip2 = '192.168.1.3'
mac2 = '00:00:80:cc:bb:aa'
old_leases = set([(ip1, mac1, None), (ip2, mac2, None)])
dnsmasq._read_hosts_file_leases = mock.Mock(return_value=old_leases)
dnsmasq._output_hosts_file = mock.Mock()
dnsmasq._release_lease = mock.Mock()
dnsmasq.network.ports = []
dnsmasq.device_manager.driver.unplug = mock.Mock()
dnsmasq._release_unused_leases()
dnsmasq._release_lease.assert_has_calls([mock.call(mac1, ip1, None),
mock.call(mac2, ip2, None)],
any_order=True)
dnsmasq.device_manager.driver.unplug.assert_has_calls(
[mock.call(dnsmasq.interface_name,
namespace=dnsmasq.network.namespace)])
def test_release_for_ipv6_lease(self):
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
ip1 = 'fdca:3ba5:a17a::1'
mac1 = '00:00:80:aa:bb:cc'
ip2 = '192.168.1.3'
mac2 = '00:00:80:cc:bb:aa'
old_leases = set([(ip1, mac1, None), (ip2, mac2, None)])
dnsmasq._read_hosts_file_leases = mock.Mock(return_value=old_leases)
ipw = mock.patch(
'neutron.agent.linux.ip_lib.IpNetnsCommand.execute').start()
dnsmasq._release_unused_leases()
# Verify that dhcp_release is called only for ipv4 addresses.
self.assertEqual(1, ipw.call_count)
ipw.assert_has_calls([mock.call(['dhcp_release', None, ip2, mac2],
run_as_root=True)])
def test_release_unused_leases_with_dhcp_port(self):
dnsmasq = self._get_dnsmasq(FakeNetworkDhcpPort())
ip1 = '192.168.1.2'
mac1 = '00:00:80:aa:bb:cc'
ip2 = '192.168.1.3'
mac2 = '00:00:80:cc:bb:aa'
old_leases = set([(ip1, mac1, None), (ip2, mac2, None)])
dnsmasq._read_hosts_file_leases = mock.Mock(return_value=old_leases)
dnsmasq._output_hosts_file = mock.Mock()
dnsmasq._release_lease = mock.Mock()
dnsmasq.device_manager.get_device_id = mock.Mock(
return_value='fake_dhcp_port')
dnsmasq._release_unused_leases()
self.assertFalse(
dnsmasq.device_manager.driver.unplug.called)
def test_release_unused_leases_with_client_id(self):
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
ip1 = '192.168.1.2'
mac1 = '00:00:80:aa:bb:cc'
client_id1 = 'client1'
ip2 = '192.168.1.3'
mac2 = '00:00:80:cc:bb:aa'
client_id2 = 'client2'
old_leases = set([(ip1, mac1, client_id1), (ip2, mac2, client_id2)])
dnsmasq._read_hosts_file_leases = mock.Mock(return_value=old_leases)
dnsmasq._output_hosts_file = mock.Mock()
dnsmasq._release_lease = mock.Mock()
dnsmasq.network.ports = []
dnsmasq._release_unused_leases()
dnsmasq._release_lease.assert_has_calls(
[mock.call(mac1, ip1, client_id1),
mock.call(mac2, ip2, client_id2)],
any_order=True)
def test_release_unused_leases_one_lease(self):
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
ip1 = '192.168.0.2'
mac1 = '00:00:80:aa:bb:cc'
ip2 = '192.168.0.3'
mac2 = '00:00:80:cc:bb:aa'
old_leases = set([(ip1, mac1, None), (ip2, mac2, None)])
dnsmasq._read_hosts_file_leases = mock.Mock(return_value=old_leases)
dnsmasq._output_hosts_file = mock.Mock()
dnsmasq._release_lease = mock.Mock()
dnsmasq.network.ports = [FakePort1()]
dnsmasq._release_unused_leases()
dnsmasq._release_lease.assert_called_once_with(
mac2, ip2, None)
def test_release_unused_leases_one_lease_with_client_id(self):
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
ip1 = '192.168.0.2'
mac1 = '00:00:80:aa:bb:cc'
client_id1 = 'client1'
ip2 = '192.168.0.5'
mac2 = '00:00:0f:aa:bb:55'
client_id2 = 'test5'
old_leases = set([(ip1, mac1, client_id1), (ip2, mac2, client_id2)])
dnsmasq._read_hosts_file_leases = mock.Mock(return_value=old_leases)
dnsmasq._output_hosts_file = mock.Mock()
dnsmasq._release_lease = mock.Mock()
dnsmasq.network.ports = [FakePort5()]
dnsmasq._release_unused_leases()
dnsmasq._release_lease.assert_called_once_with(
mac1, ip1, client_id1)
def test_read_hosts_file_leases(self):
filename = '/path/to/file'
with mock.patch('six.moves.builtins.open') as mock_open:
mock_open.return_value.__enter__ = lambda s: s
mock_open.return_value.__exit__ = mock.Mock()
lines = ["00:00:80:aa:bb:cc,inst-name,192.168.0.1",
"00:00:80:aa:bb:cc,inst-name,[fdca:3ba5:a17a::1]"]
mock_open.return_value.readlines.return_value = lines
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
leases = dnsmasq._read_hosts_file_leases(filename)
self.assertEqual(set([("192.168.0.1", "00:00:80:aa:bb:cc", None),
("fdca:3ba5:a17a::1", "00:00:80:aa:bb:cc",
None)]), leases)
mock_open.assert_called_once_with(filename)
def test_read_hosts_file_leases_with_client_id(self):
filename = '/path/to/file'
with mock.patch('six.moves.builtins.open') as mock_open:
mock_open.return_value.__enter__ = lambda s: s
mock_open.return_value.__exit__ = mock.Mock()
lines = ["00:00:80:aa:bb:cc,id:client1,inst-name,192.168.0.1",
"00:00:80:aa:bb:cc,id:client2,inst-name,"
"[fdca:3ba5:a17a::1]"]
mock_open.return_value.readlines.return_value = lines
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
leases = dnsmasq._read_hosts_file_leases(filename)
self.assertEqual(set([("192.168.0.1", "00:00:80:aa:bb:cc", 'client1'),
("fdca:3ba5:a17a::1", "00:00:80:aa:bb:cc",
'client2')]), leases)
mock_open.assert_called_once_with(filename)
def test_read_hosts_file_leases_with_stateless_IPv6_tag(self):
filename = self.get_temp_file_path('leases')
with open(filename, "w") as leasesfile:
lines = [
"00:00:80:aa:bb:cc,id:client1,inst-name,192.168.0.1\n",
"00:00:80:aa:bb:cc,set:ccccccccc-cccc-cccc-cccc-cccccccc\n",
"00:00:80:aa:bb:cc,id:client2,inst-name,[fdca:3ba5:a17a::1]\n"]
for line in lines:
leasesfile.write(line)
dnsmasq = self._get_dnsmasq(FakeDualNetwork())
leases = dnsmasq._read_hosts_file_leases(filename)
self.assertEqual(set([("192.168.0.1", "00:00:80:aa:bb:cc", 'client1'),
("fdca:3ba5:a17a::1", "00:00:80:aa:bb:cc",
'client2')]), leases)
def test_make_subnet_interface_ip_map(self):
with mock.patch('neutron.agent.linux.ip_lib.IPDevice') as ip_dev:
ip_dev.return_value.addr.list.return_value = [
{'cidr': '192.168.0.1/24'}
]
dm = self._get_dnsmasq(FakeDualNetwork())
self.assertEqual(
dm._make_subnet_interface_ip_map(),
{FakeV4Subnet.id: '192.168.0.1'}
)
def test_remove_config_files(self):
net = FakeV4Network()
path = '/opt/data/neutron/dhcp'
self.conf.dhcp_confs = path
lp = LocalChild(self.conf, net)
lp._remove_config_files()
self.rmtree.assert_called_once_with(os.path.join(path, net.id),
ignore_errors=True)
def test_existing_dhcp_networks(self):
path = '/opt/data/neutron/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)
mock_listdir.assert_called_once_with(path)
self.assertEqual(['aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa',
'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb'],
sorted(result))
def test__output_hosts_file_log_only_twice(self):
dm = self._get_dnsmasq(FakeDualStackNetworkSingleDHCP())
with mock.patch.object(dhcp, 'LOG') as logger:
logger.process.return_value = ('fake_message', {})
dm._output_hosts_file()
# The method logs twice, at the start of and the end. There should be
# no other logs, no matter how many hosts there are to dump in the
# file.
self.assertEqual(2, len(logger.method_calls))
def test_only_populates_dhcp_enabled_subnets(self):
exp_host_name = '/dhcp/eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee/host'
exp_host_data = ('00:00:80:aa:bb:cc,host-192-168-0-2.openstacklocal.,'
'192.168.0.2\n'
'00:16:3E:C2:77:1D,host-192-168-0-4.openstacklocal.,'
'192.168.0.4\n'
'00:00:0f:rr:rr:rr,host-192-168-0-1.openstacklocal.,'
'192.168.0.1\n').lstrip()
dm = self._get_dnsmasq(FakeDualStackNetworkSingleDHCP())
dm._output_hosts_file()
self.safe.assert_has_calls([mock.call(exp_host_name,
exp_host_data)])
def test_only_populates_dhcp_client_id(self):
exp_host_name = '/dhcp/aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa/host'
exp_host_data = ('00:00:80:aa:bb:cc,host-192-168-0-2.openstacklocal.,'
'192.168.0.2\n'
'00:00:0f:aa:bb:55,id:test5,'
'host-192-168-0-5.openstacklocal.,'
'192.168.0.5\n'
'00:00:0f:aa:bb:66,id:test6,'
'host-192-168-0-6.openstacklocal.,192.168.0.6,'
'set:ccccccccc-cccc-cccc-cccc-ccccccccc\n').lstrip()
dm = self._get_dnsmasq(FakeV4NetworkClientId)
dm._output_hosts_file()
self.safe.assert_has_calls([mock.call(exp_host_name,
exp_host_data)])
def test_only_populates_dhcp_enabled_subnet_on_a_network(self):
exp_host_name = '/dhcp/cccccccc-cccc-cccc-cccc-cccccccccccc/host'
exp_host_data = ('00:00:80:aa:bb:cc,host-192-168-0-2.openstacklocal.,'
'192.168.0.2\n'
'00:00:f3:aa:bb:cc,host-192-168-0-3.openstacklocal.,'
'192.168.0.3\n'
'00:00:0f:aa:bb:cc,host-192-168-0-4.openstacklocal.,'
'192.168.0.4\n'
'00:00:0f:rr:rr:rr,host-192-168-0-1.openstacklocal.,'
'192.168.0.1\n').lstrip()
dm = self._get_dnsmasq(FakeDualNetworkSingleDHCP())
dm._output_hosts_file()
self.safe.assert_has_calls([mock.call(exp_host_name,
exp_host_data)])
def test_host_and_opts_file_on_stateless_dhcpv6_network(self):
exp_host_name = '/dhcp/bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb/host'
exp_host_data = ('00:16:3e:c2:77:1d,'
'set:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh\n').lstrip()
exp_opt_name = '/dhcp/bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb/opts'
exp_opt_data = ('tag:tag0,option6:domain-search,openstacklocal\n'
'tag:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh,'
'option6:dns-server,ffea:3ba5:a17a:4ba3::100').lstrip()
dm = self._get_dnsmasq(FakeV6NetworkStatelessDHCP())
dm._output_hosts_file()
dm._output_opts_file()
self.safe.assert_has_calls([mock.call(exp_host_name, exp_host_data),
mock.call(exp_opt_name, exp_opt_data)])
def test_host_file_on_net_with_v6_slaac_and_v4(self):
exp_host_name = '/dhcp/eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee/host'
exp_host_data = (
'00:00:80:aa:bb:cc,host-192-168-0-2.openstacklocal.,192.168.0.2,'
'set:eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee\n'
'00:16:3E:C2:77:1D,host-192-168-0-4.openstacklocal.,192.168.0.4,'
'set:gggggggg-gggg-gggg-gggg-gggggggggggg\n00:00:0f:rr:rr:rr,'
'host-192-168-0-1.openstacklocal.,192.168.0.1,'
'set:rrrrrrrr-rrrr-rrrr-rrrr-rrrrrrrrrrrr\n').lstrip()
dm = self._get_dnsmasq(FakeDualStackNetworkingSingleDHCPTags())
dm._output_hosts_file()
self.safe.assert_has_calls([mock.call(exp_host_name, exp_host_data)])
def test_host_and_opts_file_on_net_with_V6_stateless_and_V4_subnets(
self):
exp_host_name = '/dhcp/bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb/host'
exp_host_data = (
'00:16:3e:c2:77:1d,set:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh\n'
'00:16:3e:c2:77:1d,host-192-168-0-3.openstacklocal.,'
'192.168.0.3,set:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh\n'
'00:00:0f:rr:rr:rr,'
'host-192-168-0-1.openstacklocal.,192.168.0.1\n').lstrip()
exp_opt_name = '/dhcp/bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb/opts'
exp_opt_data = (
'tag:tag0,option6:domain-search,openstacklocal\n'
'tag:tag1,option:dns-server,8.8.8.8\n'
'tag:tag1,option:classless-static-route,20.0.0.1/24,20.0.0.1,'
'169.254.169.254/32,192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag1,249,20.0.0.1/24,20.0.0.1,169.254.169.254/32,'
'192.168.0.1,0.0.0.0/0,192.168.0.1\n'
'tag:tag1,option:router,192.168.0.1\n'
'tag:hhhhhhhh-hhhh-hhhh-hhhh-hhhhhhhhhhhh,'
'option6:dns-server,ffea:3ba5:a17a:4ba3::100').lstrip()
dm = self._get_dnsmasq(FakeNetworkWithV6SatelessAndV4DHCPSubnets())
dm._output_hosts_file()
dm._output_opts_file()
self.safe.assert_has_calls([mock.call(exp_host_name, exp_host_data),
mock.call(exp_opt_name, exp_opt_data)])
def test_should_enable_metadata_namespaces_disabled_returns_false(self):
self.conf.set_override('use_namespaces', False)
self.assertFalse(dhcp.Dnsmasq.should_enable_metadata(self.conf,
mock.ANY))
def test_should_enable_metadata_isolated_network_returns_true(self):
self.assertTrue(dhcp.Dnsmasq.should_enable_metadata(
self.conf, FakeV4NetworkNoRouter()))
def test_should_enable_metadata_non_isolated_network_returns_false(self):
self.assertFalse(dhcp.Dnsmasq.should_enable_metadata(
self.conf, FakeV4NetworkDistRouter()))
def test_should_enable_metadata_isolated_meta_disabled_returns_false(self):
self.conf.set_override('enable_isolated_metadata', False)
self.assertFalse(dhcp.Dnsmasq.should_enable_metadata(self.conf,
mock.ANY))
def test_should_enable_metadata_with_metadata_network_returns_true(self):
self.conf.set_override('enable_metadata_network', True)
self.assertTrue(dhcp.Dnsmasq.should_enable_metadata(
self.conf, FakeV4MetadataNetwork()))
def test_should_force_metadata_returns_true(self):
self.conf.set_override("force_metadata", True)
self.assertTrue(dhcp.Dnsmasq.should_enable_metadata(self.conf,
mock.ANY))
def _test__generate_opts_per_subnet_helper(self, config_opts,
expected_mdt_ip):
for key, value in config_opts.items():
self.conf.set_override(key, value)
dm = self._get_dnsmasq(FakeNetworkDhcpPort)
with mock.patch('neutron.agent.linux.ip_lib.IPDevice') as ipdev_mock:
list_addr = ipdev_mock.return_value.addr.list
list_addr.return_value = [{'cidr': alloc.ip_address + '/24'}
for alloc in FakeDhcpPort.fixed_ips]
options, idx_map = dm._generate_opts_per_subnet()
contains_metadata_ip = any(['%s/32' % dhcp.METADATA_DEFAULT_IP in line
for line in options])
self.assertEqual(expected_mdt_ip, contains_metadata_ip)
def test__generate_opts_per_subnet_no_metadata(self):
config = {'enable_isolated_metadata': False,
'force_metadata': False}
self._test__generate_opts_per_subnet_helper(config, False)
def test__generate_opts_per_subnet_isolated_metadata_with_router(self):
config = {'enable_isolated_metadata': True,
'force_metadata': False}
self._test__generate_opts_per_subnet_helper(config, True)
def test__generate_opts_per_subnet_forced_metadata(self):
config = {'enable_isolated_metadata': False,
'force_metadata': True}
self._test__generate_opts_per_subnet_helper(config, True)
class TestDeviceManager(TestConfBase):
@mock.patch('neutron.agent.linux.dhcp.ip_lib')
@mock.patch('neutron.agent.linux.dhcp.common_utils.load_interface_driver')
def test_setup(self, load_interface_driver, ip_lib):
"""Test new and existing cases of DeviceManager's DHCP port setup
logic.
"""
self._test_setup(load_interface_driver, ip_lib, False)
@mock.patch('neutron.agent.linux.dhcp.ip_lib')
@mock.patch('neutron.agent.linux.dhcp.common_utils.load_interface_driver')
def test_setup_gateway_ips(self, load_interface_driver, ip_lib):
"""Test new and existing cases of DeviceManager's DHCP port setup
logic.
"""
self._test_setup(load_interface_driver, ip_lib, True)
def _test_setup(self, load_interface_driver, ip_lib, use_gateway_ips):
with mock.patch.object(dhcp.ip_lib, 'IPDevice') as mock_IPDevice:
# Create DeviceManager.
self.conf.register_opt(cfg.BoolOpt('enable_isolated_metadata',
default=False))
plugin = mock.Mock()
device = mock.Mock()
mock_IPDevice.return_value = device
device.route.get_gateway.return_value = None
mgr = dhcp.DeviceManager(self.conf, plugin)
load_interface_driver.assert_called_with(self.conf)
# Setup with no existing DHCP port - expect a new DHCP port to
# be created.
network = FakeDeviceManagerNetwork()
network.tenant_id = 'Tenant A'
def mock_create(dict):
port = dhcp.DictModel(dict['port'])
port.id = 'abcd-123456789'
port.mac_address = '00-12-34-56-78-90'
port.fixed_ips = [
dhcp.DictModel({'subnet_id': ip['subnet_id'],
'ip_address': 'unique-IP-address'})
for ip in port.fixed_ips
]
return port
plugin.create_dhcp_port.side_effect = mock_create
mgr.driver.get_device_name.return_value = 'ns-XXX'
mgr.driver.use_gateway_ips = use_gateway_ips
ip_lib.ensure_device_is_ready.return_value = True
mgr.setup(network)
plugin.create_dhcp_port.assert_called_with(mock.ANY)
mgr.driver.init_l3.assert_called_with('ns-XXX',
mock.ANY,
namespace='qdhcp-ns')
cidrs = set(mgr.driver.init_l3.call_args[0][1])
if use_gateway_ips:
self.assertEqual(cidrs, set(['%s/%s' % (s.gateway_ip,
s.cidr.split('/')[1])
for s in network.subnets]))
else:
self.assertEqual(cidrs, set(['unique-IP-address/24',
'unique-IP-address/64']))
# Now call setup again. This time we go through the existing
# port code path, and the driver's init_l3 method is called
# again.
plugin.create_dhcp_port.reset_mock()
mgr.driver.init_l3.reset_mock()
mgr.setup(network)
mgr.driver.init_l3.assert_called_with('ns-XXX',
mock.ANY,
namespace='qdhcp-ns')
cidrs = set(mgr.driver.init_l3.call_args[0][1])
if use_gateway_ips:
self.assertEqual(cidrs, set(['%s/%s' % (s.gateway_ip,
s.cidr.split('/')[1])
for s in network.subnets]))
else:
self.assertEqual(cidrs, set(['unique-IP-address/24',
'unique-IP-address/64']))
self.assertFalse(plugin.create_dhcp_port.called)
@mock.patch('neutron.agent.linux.dhcp.ip_lib')
@mock.patch('neutron.agent.linux.dhcp.common_utils.load_interface_driver')
def test_setup_reserved(self, load_interface_driver, ip_lib):
"""Test reserved port case of DeviceManager's DHCP port setup
logic.
"""
with mock.patch.object(dhcp.ip_lib, 'IPDevice') as mock_IPDevice:
# Create DeviceManager.
self.conf.register_opt(cfg.BoolOpt('enable_isolated_metadata',
default=False))
plugin = mock.Mock()
device = mock.Mock()
mock_IPDevice.return_value = device
device.route.get_gateway.return_value = None
mgr = dhcp.DeviceManager(self.conf, plugin)
load_interface_driver.assert_called_with(self.conf)
# Setup with a reserved DHCP port.
network = FakeDualNetworkReserved()
network.tenant_id = 'Tenant A'
reserved_port = network.ports[-1]
def mock_update(port_id, dict):
port = reserved_port
port.network_id = dict['port']['network_id']
port.device_id = dict['port']['device_id']
return port
plugin.update_dhcp_port.side_effect = mock_update
mgr.driver.get_device_name.return_value = 'ns-XXX'
mgr.driver.use_gateway_ips = False
ip_lib.ensure_device_is_ready.return_value = True
mgr.setup(network)
plugin.update_dhcp_port.assert_called_with(reserved_port.id,
mock.ANY)
mgr.driver.init_l3.assert_called_with('ns-XXX',
['192.168.0.6/24'],
namespace='qdhcp-ns')
@mock.patch('neutron.agent.linux.dhcp.ip_lib')
@mock.patch('neutron.agent.linux.dhcp.common_utils.load_interface_driver')
def test_setup_reserved_2(self, load_interface_driver, ip_lib):
"""Test scenario where a network has two reserved ports, and
update_dhcp_port fails for the first of those.
"""
with mock.patch.object(dhcp.ip_lib, 'IPDevice') as mock_IPDevice:
# Create DeviceManager.
self.conf.register_opt(cfg.BoolOpt('enable_isolated_metadata',
default=False))
plugin = mock.Mock()
device = mock.Mock()
mock_IPDevice.return_value = device
device.route.get_gateway.return_value = None
mgr = dhcp.DeviceManager(self.conf, plugin)
load_interface_driver.assert_called_with(self.conf)
# Setup with a reserved DHCP port.
network = FakeDualNetworkReserved2()
network.tenant_id = 'Tenant A'
reserved_port_1 = network.ports[-2]
reserved_port_2 = network.ports[-1]
def mock_update(port_id, dict):
if port_id == reserved_port_1.id:
return None
port = reserved_port_2
port.network_id = dict['port']['network_id']
port.device_id = dict['port']['device_id']
return port
plugin.update_dhcp_port.side_effect = mock_update
mgr.driver.get_device_name.return_value = 'ns-XXX'
mgr.driver.use_gateway_ips = False
ip_lib.ensure_device_is_ready.return_value = True
mgr.setup(network)
plugin.update_dhcp_port.assert_called_with(reserved_port_2.id,
mock.ANY)
mgr.driver.init_l3.assert_called_with('ns-XXX',
['192.168.0.6/24'],
namespace='qdhcp-ns')
View Git Blame Copy Permalink