/usr/lib/python2.7/dist-packages/networking_ovn/tests/functional/base.py is in python-networking-ovn 1.0.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 | # Copyright 2016 Red Hat, Inc.
#
# 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 fixtures
import mock
import time
import uuid
from oslo_config import cfg
from oslo_log import log
from neutron.agent.ovsdb import impl_idl
from neutron.agent.ovsdb.native import commands
from neutron.agent.ovsdb.native import connection
from neutron import manager
from neutron.plugins.common import constants as service_constants
from neutron.plugins.ml2 import config
from neutron.tests.unit.plugins.ml2 import test_plugin
from networking_ovn._i18n import _LE
from networking_ovn.ovsdb import impl_idl_ovn
from networking_ovn.ovsdb import ovsdb_monitor
from networking_ovn.tests.functional.resources import process
PLUGIN_NAME = ('networking_ovn.plugin.OVNPlugin')
LOG = log.getLogger(__name__)
class AddFakeChassisCommand(commands.BaseCommand):
"""Add a fake chassis in OVN SB DB for functional test."""
def __init__(self, api, name, ip, **columns):
super(AddFakeChassisCommand, self).__init__(api)
self.name = name
self.ip = ip
self.columns = columns
def run_idl(self, txn):
encap_row = txn.insert(self.api._tables['Encap'])
encap_row.type = 'geneve'
encap_row.ip = self.ip
self.columns.update({'encaps': [encap_row.uuid]})
row = txn.insert(self.api._tables['Chassis'])
row.name = self.name
for col, val in self.columns.items():
setattr(row, col, val)
class TestOVNFunctionalBase(test_plugin.Ml2PluginV2TestCase):
# Please see networking_ovn/tests/contrib/gate_hook.sh.
# It installs openvswitch in the '/usr/local' path and the ovn-nb schema
# file will be present in this path.
OVS_INSTALL_SHARE_PATH = '/usr/local/share/openvswitch'
_mechanism_drivers = ['logger', 'ovn']
_extension_drivers = ['port_security']
l3_plugin = 'networking_ovn.l3.l3_ovn.OVNL3RouterPlugin'
def setUp(self, ovn_worker=False):
config.cfg.CONF.set_override('extension_drivers',
self._extension_drivers,
group='ml2')
config.cfg.CONF.set_override('tenant_network_types',
['geneve'],
group='ml2')
config.cfg.CONF.set_override('vni_ranges',
['1:65536'],
group='ml2_type_geneve')
super(TestOVNFunctionalBase, self).setUp()
mm = manager.NeutronManager.get_plugin().mechanism_manager
self.mech_driver = mm.mech_drivers['ovn'].obj
mgr = manager.NeutronManager.get_instance()
self.l3_plugin = mgr.get_service_plugins().get(
service_constants.L3_ROUTER_NAT)
self.ovsdb_server_mgr = None
self.ovn_worker = ovn_worker
self._start_ovsdb_server_and_idls()
def tearDown(self):
# Need to set OvsdbNbOvnIdl.ovsdb_connection and
# OvsdbSbOvnIdl.ovsdb_connection to None.
# This is because, when the test worker runs the next functional test
# case, the plugin will try to use the ovsdb_connection from the
# previous test case and will cause the test case to fail.
impl_idl_ovn.OvsdbNbOvnIdl.ovsdb_connection = None
impl_idl_ovn.OvsdbSbOvnIdl.ovsdb_connection = None
super(TestOVNFunctionalBase, self).tearDown()
def _start_ovsdb_server_and_idls(self):
self.temp_dir = self.useFixture(fixtures.TempDir()).path
# Start 2 ovsdb-servers one each for OVN NB DB and OVN SB DB
# ovsdb-server with OVN SB DB can be used to test the chassis up/down
# events.
self.ovsdb_server_mgr = self.useFixture(
process.OvsdbServer(self.temp_dir, self.OVS_INSTALL_SHARE_PATH,
ovn_nb_db=True, ovn_sb_db=True))
cfg.CONF.set_override(
'ovn_nb_connection',
self.ovsdb_server_mgr.get_ovsdb_connection_path(),
'ovn')
cfg.CONF.set_override(
'ovn_sb_connection',
self.ovsdb_server_mgr.get_ovsdb_connection_path(db_type='sb'),
'ovn')
num_attempts = 0
# 5 seconds should be more than enough for the transaction to complete
# for the test cases.
# This also fixes the bug #1607639.
cfg.CONF.set_override(
'ovsdb_connection_timeout', 5,
'ovn')
# Created monitor IDL connection to the OVN NB DB.
# This monitor IDL connection can be used to
# - Verify that the ML2 OVN driver has written to the OVN NB DB
# as expected.
# - Create and delete resources in OVN NB DB outside of the
# ML2 OVN driver scope to test scenarios like ovn_nb_sync.
while num_attempts < 3:
try:
self.monitor_nb_idl_con = connection.Connection(
self.ovsdb_server_mgr.get_ovsdb_connection_path(),
60, 'OVN_Northbound')
self.monitor_nb_idl_con.start()
self.monitor_nb_db_idl = self.monitor_nb_idl_con.idl
break
except Exception:
LOG.exception(_LE("Error connecting to the OVN_Northbound DB"))
num_attempts += 1
time.sleep(1)
num_attempts = 0
while num_attempts < 3:
try:
self.monitor_sb_idl_con = connection.Connection(
self.ovsdb_server_mgr.get_ovsdb_connection_path(
db_type='sb'),
60, 'OVN_Southbound')
self.monitor_sb_idl_con.start()
self.monitor_sb_db_idl = self.monitor_sb_idl_con.idl
break
except Exception:
LOG.exception(_LE("Error connecting to the OVN_Southbound DB"))
num_attempts += 1
time.sleep(1)
trigger = mock.MagicMock()
if self.ovn_worker:
trigger.im_class = ovsdb_monitor.OvnWorker
cfg.CONF.set_override('neutron_sync_mode', 'off', 'ovn')
trigger.im_class.__name__ = 'trigger'
# mech_driver.post_fork_initialize creates the IDL connections
self.mech_driver.post_fork_initialize(mock.ANY, mock.ANY, trigger)
def nb_idl_transaction(self, fake_api, check_error=False, log_errors=True,
**kwargs):
return impl_idl.Transaction(fake_api, self.monitor_nb_idl_con, 60,
check_error, log_errors)
def sb_idl_transaction(self, fake_api, check_error=False, log_errors=True,
**kwargs):
return impl_idl.Transaction(fake_api, self.monitor_sb_idl_con, 60,
check_error, log_errors)
def restart(self):
if self.ovsdb_server_mgr:
self.ovsdb_server_mgr.stop()
impl_idl_ovn.OvsdbNbOvnIdl.ovsdb_connection = None
impl_idl_ovn.OvsdbSbOvnIdl.ovsdb_connection = None
self.mech_driver._nb_ovn = None
self.mech_driver._sb_ovn = None
self.l3_plugin._nb_ovn_idl = None
self.l3_plugin._sb_ovn_idl = None
self.monitor_nb_idl_con = None
self.monitor_sb_idl_con = None
self._start_ovsdb_server_and_idls()
def add_fake_chassis(self, host, physical_nets=None):
physical_nets = physical_nets or []
fake_api = mock.MagicMock()
fake_api.idl = self.monitor_sb_db_idl
fake_api._tables = self.monitor_sb_db_idl.tables
bridge_mapping = ",".join(["%s:br-provider%s" % (phys_net, i)
for i, phys_net in enumerate(physical_nets)])
name = uuid.uuid4().hex
with self.sb_idl_transaction(fake_api, check_error=True) as txn:
external_ids = {'ovn-bridge-mappings': bridge_mapping}
txn.add(AddFakeChassisCommand(fake_api, name, "172.24.4.10",
external_ids=external_ids,
hostname=host))
return name
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