octavia/octavia/tests/unit/amphorae/backends/health_daemon/test_health_sender.py

163 lines
6.6 KiB
Python

# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# 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.backends.health_daemon import health_sender
from octavia.tests.unit import base
IP_PORT = ['192.0.2.10:5555', '192.0.2.10:5555']
KEY = 'TEST'
PORT = random.randrange(1, 9000)
SAMPLE_MSG = {'testkey': 'TEST'}
SAMPLE_MSG_BIN = binascii.unhexlify('78daab562a492d2ec94ead54b252500a710d0e51a'
'a050041b506243538303665356331393731653739'
'39353138313833393465613665373161643938396'
'66639353039343566393537336634616236663833'
'653235646238656437')
class TestHealthSender(base.TestCase):
def setUp(self):
super(TestHealthSender, self).setUp()
self.conf = self.useFixture(oslo_fixture.Config(cfg.CONF))
self.conf.config(group="health_manager",
controller_ip_port_list=IP_PORT)
self.conf.config(group="health_manager",
heartbeat_key=KEY)
@mock.patch('socket.getaddrinfo')
@mock.patch('socket.socket')
def test_sender(self, mock_socket, mock_getaddrinfo):
socket_mock = mock.MagicMock()
mock_socket.return_value = socket_mock
sendto_mock = mock.MagicMock()
socket_mock.sendto = sendto_mock
# Test when no addresses are returned
self.conf.config(group="health_manager",
controller_ip_port_list='')
sender = health_sender.UDPStatusSender()
sender.dosend(SAMPLE_MSG)
sendto_mock.reset_mock()
# Test IPv4 path
self.conf.config(group="health_manager",
controller_ip_port_list=['192.0.2.20:80'])
mock_getaddrinfo.return_value = [(socket.AF_INET,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('192.0.2.20', 80))]
sender = health_sender.UDPStatusSender()
sender.dosend(SAMPLE_MSG)
sendto_mock.assert_called_once_with(SAMPLE_MSG_BIN,
('192.0.2.20', 80))
sendto_mock.reset_mock()
# Test IPv6 path
self.conf.config(group="health_manager",
controller_ip_port_list=['2001:0db8::f00d:80'])
mock_getaddrinfo.return_value = [(socket.AF_INET6,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('2001:db8::f00d', 80, 0, 0))]
sender = health_sender.UDPStatusSender()
sender.dosend(SAMPLE_MSG)
sendto_mock.assert_called_once_with(SAMPLE_MSG_BIN,
('2001:db8::f00d', 80, 0, 0))
sendto_mock.reset_mock()
# Test IPv6 link-local address path
self.conf.config(
group="health_manager",
controller_ip_port_list=['fe80::00ff:fe00:cafe%eth0:80'])
mock_getaddrinfo.return_value = [(socket.AF_INET6,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('fe80::ff:fe00:cafe', 80, 0, 2))]
sender = health_sender.UDPStatusSender()
sender.dosend(SAMPLE_MSG)
sendto_mock.assert_called_once_with(SAMPLE_MSG_BIN,
('fe80::ff:fe00:cafe', 80, 0, 2))
sendto_mock.reset_mock()
# Test socket error
self.conf.config(group="health_manager",
controller_ip_port_list=['2001:0db8::f00d:80'])
mock_getaddrinfo.return_value = [(socket.AF_INET6,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('2001:db8::f00d', 80, 0, 0))]
socket_mock.sendto.side_effect = socket.error
sender = health_sender.UDPStatusSender()
# Should not raise an exception
sender.dosend(SAMPLE_MSG)
# Test an controller_ip_port_list update
sendto_mock.reset_mock()
mock_getaddrinfo.reset_mock()
self.conf.config(group="health_manager",
controller_ip_port_list=['192.0.2.20:80'])
mock_getaddrinfo.return_value = [(socket.AF_INET,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('192.0.2.20', 80))]
sender = health_sender.UDPStatusSender()
sender.dosend(SAMPLE_MSG)
sendto_mock.assert_called_once_with(SAMPLE_MSG_BIN,
('192.0.2.20', 80))
mock_getaddrinfo.assert_called_once_with('192.0.2.20', '80',
0, socket.SOCK_DGRAM)
sendto_mock.reset_mock()
mock_getaddrinfo.reset_mock()
self.conf.config(group="health_manager",
controller_ip_port_list=['192.0.2.21:81'])
mock_getaddrinfo.return_value = [(socket.AF_INET,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP,
'',
('192.0.2.21', 81))]
sender.dosend(SAMPLE_MSG)
mock_getaddrinfo.assert_called_once_with('192.0.2.21', '81',
0, socket.SOCK_DGRAM)
sendto_mock.assert_called_once_with(SAMPLE_MSG_BIN,
('192.0.2.21', 81))
sendto_mock.reset_mock()
mock_getaddrinfo.reset_mock()