292 lines
10 KiB
Python
292 lines
10 KiB
Python
# Copyright 2015 Red Hat, Inc.
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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 tempfile
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import fixtures
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from neutron_lib import constants
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from neutron.plugins.ml2.extensions import qos as qos_ext
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from neutron.tests import base
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from neutron.tests.common import config_fixtures
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from neutron.tests.common.exclusive_resources import port
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from neutron.tests.common import helpers as c_helpers
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class ConfigFixture(fixtures.Fixture):
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"""A fixture that holds an actual Neutron configuration.
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Note that 'self.config' is intended to only be updated once, during
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the constructor, so if this fixture is re-used (setUp is called twice),
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then the dynamic configuration values won't change. The correct usage
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is initializing a new instance of the class.
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"""
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def __init__(self, env_desc, host_desc, temp_dir, base_filename):
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super(ConfigFixture, self).__init__()
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self.config = config_fixtures.ConfigDict()
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self.env_desc = env_desc
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self.host_desc = host_desc
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self.temp_dir = temp_dir
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self.base_filename = base_filename
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def _setUp(self):
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cfg_fixture = config_fixtures.ConfigFileFixture(
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self.base_filename, self.config, self.temp_dir)
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self.useFixture(cfg_fixture)
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self.filename = cfg_fixture.filename
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class NeutronConfigFixture(ConfigFixture):
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def __init__(self, env_desc, host_desc, temp_dir,
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connection, rabbitmq_environment):
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super(NeutronConfigFixture, self).__init__(
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env_desc, host_desc, temp_dir, base_filename='neutron.conf')
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service_plugins = ['router']
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if env_desc.qos:
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service_plugins.append('qos')
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self.config.update({
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'DEFAULT': {
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'host': self._generate_host(),
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'state_path': self._generate_state_path(self.temp_dir),
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'lock_path': '$state_path/lock',
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'api_paste_config': self._generate_api_paste(),
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'policy_file': self._generate_policy_json(),
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'core_plugin': 'neutron.plugins.ml2.plugin.Ml2Plugin',
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'service_plugins': ','.join(service_plugins),
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'auth_strategy': 'noauth',
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'debug': 'True',
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},
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'database': {
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'connection': connection,
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},
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'oslo_messaging_rabbit': {
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'rabbit_userid': rabbitmq_environment.user,
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'rabbit_password': rabbitmq_environment.password,
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'rabbit_hosts': rabbitmq_environment.host,
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'rabbit_virtual_host': rabbitmq_environment.vhost,
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}
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})
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def _setUp(self):
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self.config['DEFAULT'].update({
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'bind_port': self.useFixture(
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port.ExclusivePort(constants.PROTO_NAME_TCP)).port
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})
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super(NeutronConfigFixture, self)._setUp()
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def _generate_host(self):
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return base.get_rand_name(prefix='host-')
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def _generate_state_path(self, temp_dir):
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# Assume that temp_dir will be removed by the caller
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self.state_path = tempfile.mkdtemp(prefix='state_path', dir=temp_dir)
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return self.state_path
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def _generate_api_paste(self):
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return c_helpers.find_sample_file('api-paste.ini')
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def _generate_policy_json(self):
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return c_helpers.find_sample_file('policy.json')
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class ML2ConfigFixture(ConfigFixture):
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def __init__(self, env_desc, host_desc, temp_dir, tenant_network_types):
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super(ML2ConfigFixture, self).__init__(
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env_desc, host_desc, temp_dir, base_filename='ml2_conf.ini')
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mechanism_drivers = self.env_desc.mech_drivers
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if self.env_desc.l2_pop:
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mechanism_drivers += ',l2population'
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self.config.update({
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'ml2': {
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'tenant_network_types': tenant_network_types,
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'mechanism_drivers': mechanism_drivers,
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},
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'ml2_type_vlan': {
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'network_vlan_ranges': 'physnet1:1000:2999',
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},
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'ml2_type_gre': {
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'tunnel_id_ranges': '1:1000',
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},
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'ml2_type_vxlan': {
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'vni_ranges': '1001:2000',
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},
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})
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if env_desc.qos:
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self.config['ml2']['extension_drivers'] =\
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qos_ext.QOS_EXT_DRIVER_ALIAS
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class OVSConfigFixture(ConfigFixture):
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def __init__(self, env_desc, host_desc, temp_dir, local_ip):
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super(OVSConfigFixture, self).__init__(
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env_desc, host_desc, temp_dir,
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base_filename='openvswitch_agent.ini')
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self.tunneling_enabled = self.env_desc.tunneling_enabled
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self.config.update({
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'ovs': {
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'local_ip': local_ip,
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'integration_bridge': self._generate_integration_bridge(),
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'of_interface': host_desc.of_interface,
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'ovsdb_interface': host_desc.ovsdb_interface,
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},
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'securitygroup': {
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'firewall_driver': 'noop',
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},
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'agent': {
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'l2_population': str(self.env_desc.l2_pop),
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}
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})
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if self.tunneling_enabled:
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self.config['agent'].update({
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'tunnel_types': self.env_desc.network_type})
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self.config['ovs'].update({
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'tunnel_bridge': self._generate_tunnel_bridge(),
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'int_peer_patch_port': self._generate_int_peer(),
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'tun_peer_patch_port': self._generate_tun_peer()})
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else:
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self.config['ovs']['bridge_mappings'] = (
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self._generate_bridge_mappings())
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if env_desc.qos:
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self.config['agent']['extensions'] = 'qos'
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def _setUp(self):
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if self.config['ovs']['of_interface'] == 'native':
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self.config['ovs'].update({
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'of_listen_port': self.useFixture(
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port.ExclusivePort(constants.PROTO_NAME_TCP)).port
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})
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super(OVSConfigFixture, self)._setUp()
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def _generate_bridge_mappings(self):
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return 'physnet1:%s' % base.get_rand_device_name(prefix='br-eth')
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def _generate_integration_bridge(self):
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return base.get_rand_device_name(prefix='br-int')
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def _generate_tunnel_bridge(self):
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return base.get_rand_device_name(prefix='br-tun')
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def _generate_int_peer(self):
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return base.get_rand_device_name(prefix='patch-tun')
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def _generate_tun_peer(self):
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return base.get_rand_device_name(prefix='patch-int')
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def get_br_int_name(self):
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return self.config.ovs.integration_bridge
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def get_br_phys_name(self):
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return self.config.ovs.bridge_mappings.split(':')[1]
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def get_br_tun_name(self):
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return self.config.ovs.tunnel_bridge
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class LinuxBridgeConfigFixture(ConfigFixture):
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def __init__(self, env_desc, host_desc, temp_dir, local_ip,
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physical_device_name):
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super(LinuxBridgeConfigFixture, self).__init__(
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env_desc, host_desc, temp_dir,
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base_filename="linuxbridge_agent.ini"
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)
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self.config.update({
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'VXLAN': {
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'enable_vxlan': str(self.env_desc.tunneling_enabled),
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'local_ip': local_ip,
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'l2_population': str(self.env_desc.l2_pop),
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}
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})
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if env_desc.qos:
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self.config.update({
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'AGENT': {
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'extensions': 'qos'
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}
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})
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if self.env_desc.tunneling_enabled:
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self.config.update({
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'LINUX_BRIDGE': {
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'bridge_mappings': self._generate_bridge_mappings(
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physical_device_name
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)
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}
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})
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else:
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self.config.update({
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'LINUX_BRIDGE': {
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'physical_interface_mappings':
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self._generate_bridge_mappings(
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physical_device_name
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)
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}
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})
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def _generate_bridge_mappings(self, device_name):
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return 'physnet1:%s' % device_name
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class L3ConfigFixture(ConfigFixture):
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def __init__(self, env_desc, host_desc, temp_dir, integration_bridge=None):
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super(L3ConfigFixture, self).__init__(
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env_desc, host_desc, temp_dir, base_filename='l3_agent.ini')
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if host_desc.l2_agent_type == constants.AGENT_TYPE_OVS:
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self._prepare_config_with_ovs_agent(integration_bridge)
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elif host_desc.l2_agent_type == constants.AGENT_TYPE_LINUXBRIDGE:
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self._prepare_config_with_linuxbridge_agent()
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self.config['DEFAULT'].update({
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'debug': 'True',
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'test_namespace_suffix': self._generate_namespace_suffix(),
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})
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def _prepare_config_with_ovs_agent(self, integration_bridge):
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self.config.update({
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'DEFAULT': {
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'l3_agent_manager': ('neutron.agent.l3_agent.'
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'L3NATAgentWithStateReport'),
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'interface_driver': ('neutron.agent.linux.interface.'
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'OVSInterfaceDriver'),
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'ovs_integration_bridge': integration_bridge,
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'external_network_bridge': self._generate_external_bridge(),
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}
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})
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def _prepare_config_with_linuxbridge_agent(self):
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self.config.update({
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'DEFAULT': {
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'interface_driver': ('neutron.agent.linux.interface.'
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'BridgeInterfaceDriver'),
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}
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})
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def _generate_external_bridge(self):
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return base.get_rand_device_name(prefix='br-ex')
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def get_external_bridge(self):
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return self.config.DEFAULT.external_network_bridge
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def _generate_namespace_suffix(self):
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return base.get_rand_name(prefix='test')
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