octavia/octavia/tests/unit/amphorae/drivers/health/test_heartbeat_udp.py

196 lines
7.3 KiB
Python

# Copyright 2015 Hewlett-Packard Development Company, L.P.
# Copyright (c) 2015 Rackspace
#
# 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 binascii
import random
import socket
from unittest import mock
from oslo_config import cfg
from oslo_config import fixture as oslo_fixture
from octavia.amphorae.drivers.health import heartbeat_udp
from octavia.common import exceptions
from octavia.tests.unit import base
FAKE_ID = 1
KEY = 'TEST'
IP = '192.0.2.10'
PORT = random.randrange(1, 9000)
RLIMIT = random.randrange(1, 100)
FAKE_ADDRINFO = (
socket.AF_INET,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
(IP, PORT)
)
HEALTH_DRIVER = 'health_logger'
STATS_DRIVER = 'stats_logger'
class TestHeartbeatUDP(base.TestCase):
def setUp(self):
super(TestHeartbeatUDP, self).setUp()
self.health_update = mock.Mock()
self.stats_update = mock.Mock()
self.conf = oslo_fixture.Config(cfg.CONF)
self.conf.config(group="health_manager", heartbeat_key=KEY)
self.conf.config(group="health_manager", bind_ip=IP)
self.conf.config(group="health_manager", bind_port=PORT)
self.conf.config(group="health_manager", sock_rlimit=0)
self.conf.config(group="health_manager",
health_update_driver=HEALTH_DRIVER)
self.conf.config(group="health_manager",
stats_update_driver=STATS_DRIVER)
@mock.patch('stevedore.driver.DriverManager')
def test_update_health_func(self, driver_manager):
obj = {'id': 1}
heartbeat_udp.update_health(obj, '192.0.2.1')
driver_manager.assert_called_once_with(
invoke_on_load=True,
name='health_logger',
namespace='octavia.amphora.health_update_drivers'
)
driver_manager().driver.update_health.assert_called_once_with(
obj, '192.0.2.1')
@mock.patch('stevedore.driver.DriverManager')
def test_update_stats_func(self, driver_manager):
obj = {'id': 1}
heartbeat_udp.update_stats(obj, '192.0.2.1')
driver_manager.assert_called_once_with(
invoke_on_load=True,
name='stats_logger',
namespace='octavia.amphora.stats_update_drivers'
)
driver_manager().driver.update_stats.assert_called_once_with(
obj, '192.0.2.1')
@mock.patch('socket.getaddrinfo')
@mock.patch('socket.socket')
def test_update(self, mock_socket, mock_getaddrinfo):
socket_mock = mock.MagicMock()
mock_socket.return_value = socket_mock
mock_getaddrinfo.return_value = [FAKE_ADDRINFO]
bind_mock = mock.MagicMock()
socket_mock.bind = bind_mock
getter = heartbeat_udp.UDPStatusGetter()
mock_getaddrinfo.assert_called_with(IP, PORT, 0, socket.SOCK_DGRAM)
self.assertEqual((IP, PORT), getter.sockaddr)
mock_socket.assert_called_with(socket.AF_INET, socket.SOCK_DGRAM)
bind_mock.assert_called_once_with((IP, PORT))
self.conf.config(group="health_manager", sock_rlimit=RLIMIT)
mock_getaddrinfo.return_value = [FAKE_ADDRINFO, FAKE_ADDRINFO]
getter.update(KEY, IP, PORT)
@mock.patch('socket.getaddrinfo')
@mock.patch('socket.socket')
def test_dorecv(self, mock_socket, mock_getaddrinfo):
socket_mock = mock.MagicMock()
mock_socket.return_value = socket_mock
mock_getaddrinfo.return_value = [range(1, 6)]
recvfrom = mock.MagicMock()
socket_mock.recvfrom = recvfrom
getter = heartbeat_udp.UDPStatusGetter()
# key = 'TEST' msg = {"testkey": "TEST"}
sample_msg = ('78daab562a492d2ec94ead54b252500a710d0e5'
'1aa050041b506245806e5c1971e79951818394e'
'a6e71ad989ff950945f9573f4ab6f83e25db8ed7')
bin_msg = binascii.unhexlify(sample_msg)
recvfrom.return_value = bin_msg, ('192.0.2.1', 2)
(obj, srcaddr) = getter.dorecv()
self.assertEqual('192.0.2.1', srcaddr)
self.assertIsNotNone(obj.pop('recv_time'))
self.assertEqual({"testkey": "TEST"}, obj)
@mock.patch('octavia.amphorae.backends.health_daemon.status_message.'
'unwrap_envelope')
@mock.patch('socket.getaddrinfo')
@mock.patch('socket.socket')
def test_dorecv_bad_packet(self, mock_socket, mock_getaddrinfo,
mock_unwrap):
socket_mock = mock.MagicMock()
mock_socket.return_value = socket_mock
mock_unwrap.side_effect = Exception('boom')
mock_getaddrinfo.return_value = [range(1, 6)]
recvfrom = mock.MagicMock()
socket_mock.recvfrom = recvfrom
getter = heartbeat_udp.UDPStatusGetter()
# key = 'TEST' msg = {"testkey": "TEST"}
sample_msg = ('78daab562a492d2ec94ead54b252500a710d0e5'
'1aa050041b506245806e5c1971e79951818394e'
'a6e71ad989ff950945f9573f4ab6f83e25db8ed7')
bin_msg = binascii.unhexlify(sample_msg)
recvfrom.return_value = bin_msg, 2
self.assertRaises(exceptions.InvalidHMACException, getter.dorecv)
@mock.patch('socket.getaddrinfo')
@mock.patch('socket.socket')
def test_check(self, mock_socket, mock_getaddrinfo):
socket_mock = mock.MagicMock()
mock_socket.return_value = socket_mock
mock_getaddrinfo.return_value = [range(1, 6)]
mock_dorecv = mock.Mock()
mock_health_executor = mock.Mock()
mock_stats_executor = mock.Mock()
getter = heartbeat_udp.UDPStatusGetter()
getter.dorecv = mock_dorecv
mock_dorecv.side_effect = [(dict(id=FAKE_ID), 2)]
getter.health_executor = mock_health_executor
getter.stats_executor = mock_stats_executor
getter.check()
getter.health_executor.shutdown()
getter.stats_executor.shutdown()
mock_health_executor.submit.assert_has_calls(
[mock.call(heartbeat_udp.update_health, {'id': 1}, 2)])
mock_stats_executor.submit.assert_has_calls(
[mock.call(heartbeat_udp.update_stats, {'id': 1}, 2)])
@mock.patch('socket.getaddrinfo')
@mock.patch('socket.socket')
def test_socket_except(self, mock_socket, mock_getaddrinfo):
self.assertRaises(exceptions.NetworkConfig,
heartbeat_udp.UDPStatusGetter)
@mock.patch('concurrent.futures.ThreadPoolExecutor.submit')
@mock.patch('socket.getaddrinfo')
@mock.patch('socket.socket')
def test_check_exception(self, mock_socket, mock_getaddrinfo, mock_submit):
self.mock_socket = mock_socket
self.mock_getaddrinfo = mock_getaddrinfo
self.mock_getaddrinfo.return_value = [range(1, 6)]
mock_dorecv = mock.Mock()
getter = heartbeat_udp.UDPStatusGetter()
getter.dorecv = mock_dorecv
mock_dorecv.side_effect = exceptions.InvalidHMACException
getter.check()
self.assertFalse(mock_submit.called)