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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2013 Mirantis, Inc.
# 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.
#
# @author: Oleg Bondarev (obondarev@mirantis.com)
import contextlib
import mock
from oslo.config import cfg as config
from quantum.plugins.services.agent_loadbalancer.drivers.haproxy import cfg
from quantum.tests import base
class TestHaproxyCfg(base.BaseTestCase):
def test_save_config(self):
with contextlib.nested(
mock.patch('quantum.plugins.services.agent_loadbalancer.'
'drivers.haproxy.cfg._build_global'),
mock.patch('quantum.plugins.services.agent_loadbalancer.'
'drivers.haproxy.cfg._build_defaults'),
mock.patch('quantum.plugins.services.agent_loadbalancer.'
'drivers.haproxy.cfg._build_frontend'),
mock.patch('quantum.plugins.services.agent_loadbalancer.'
'drivers.haproxy.cfg._build_backend'),
mock.patch('quantum.agent.linux.utils.replace_file')
) as (b_g, b_d, b_f, b_b, replace):
test_config = ['globals', 'defaults', 'frontend', 'backend']
b_g.return_value = [test_config[0]]
b_d.return_value = [test_config[1]]
b_f.return_value = [test_config[2]]
b_b.return_value = [test_config[3]]
cfg.save_config('test_path', mock.Mock())
replace.assert_called_once_with('test_path',
'\n'.join(test_config))
def test_build_global(self):
config.CONF.register_opt(config.StrOpt('user_group'))
config.CONF.set_override('user_group', 'test_group')
expected_opts = ['global',
'\tdaemon',
'\tuser nobody',
'\tgroup test_group',
'\tlog /dev/log local0',
'\tlog /dev/log local1 notice',
'\tstats socket test_path mode 0666 level user']
opts = cfg._build_global(mock.Mock(), 'test_path')
self.assertEqual(expected_opts, list(opts))
config.CONF.reset()
def test_build_defaults(self):
expected_opts = ['defaults',
'\tlog global',
'\tretries 3',
'\toption redispatch',
'\ttimeout connect 5000',
'\ttimeout client 50000',
'\ttimeout server 50000']
opts = cfg._build_defaults(mock.Mock())
self.assertEqual(expected_opts, list(opts))
config.CONF.reset()
def test_build_frontend(self):
test_config = {'vip': {'id': 'vip_id',
'protocol': 'HTTP',
'port': {'fixed_ips': [
{'ip_address': '10.0.0.2'}]
},
'protocol_port': 80,
'connection_limit': 2000,
},
'pool': {'id': 'pool_id'}}
expected_opts = ['frontend vip_id',
'\toption tcplog',
'\tbind 10.0.0.2:80',
'\tmode http',
'\tdefault_backend pool_id',
'\tmaxconn 2000',
'\toption forwardfor']
opts = cfg._build_frontend(test_config)
self.assertEqual(expected_opts, list(opts))
test_config['vip']['connection_limit'] = -1
expected_opts.remove('\tmaxconn 2000')
opts = cfg._build_frontend(test_config)
self.assertEqual(expected_opts, list(opts))
def test_build_backend(self):
test_config = {'pool': {'id': 'pool_id',
'protocol': 'HTTP',
'lb_method': 'ROUND_ROBIN'},
'members': [{'status': 'ACTIVE',
'admin_state_up': True,
'id': 'member1_id',
'address': '10.0.0.3',
'protocol_port': 80,
'weight': 1}],
'healthmonitors': [{'status': 'ACTIVE',
'admin_state_up': True,
'delay': 3,
'max_retries': 4,
'timeout': 2,
'type': 'TCP'}],
'vip': {'session_persistence': {'type': 'HTTP_COOKIE'}}}
expected_opts = ['backend pool_id',
'\tmode http',
'\tbalance roundrobin',
'\toption forwardfor',
'\ttimeout check 2s',
'\tcookie SRV insert indirect nocache',
'\tserver member1_id 10.0.0.3:80 weight 1 '
'check inter 3s fall 4 cookie 0']
opts = cfg._build_backend(test_config)
self.assertEqual(expected_opts, list(opts))
def test_get_server_health_option(self):
test_config = {'healthmonitors': [{'status': 'ERROR',
'admin_state_up': False,
'delay': 3,
'max_retries': 4,
'timeout': 2,
'type': 'TCP',
'http_method': 'GET',
'url_path': '/',
'expected_codes': '200'}]}
self.assertEqual(('', []), cfg._get_server_health_option(test_config))
test_config['healthmonitors'][0]['status'] = 'ACTIVE'
self.assertEqual(('', []), cfg._get_server_health_option(test_config))
test_config['healthmonitors'][0]['admin_state_up'] = True
expected = (' check inter 3s fall 4', ['timeout check 2s'])
self.assertEqual(expected, cfg._get_server_health_option(test_config))
test_config['healthmonitors'][0]['type'] = 'HTTPS'
expected = (' check inter 3s fall 4',
['timeout check 2s',
'option httpchk GET /',
'http-check expect rstatus 200',
'option ssl-hello-chk'])
self.assertEqual(expected, cfg._get_server_health_option(test_config))
def test_has_http_cookie_persistence(self):
config = {'vip': {'session_persistence': {'type': 'HTTP_COOKIE'}}}
self.assertTrue(cfg._has_http_cookie_persistence(config))
config = {'vip': {'session_persistence': {'type': 'SOURCE_IP'}}}
self.assertFalse(cfg._has_http_cookie_persistence(config))
config = {'vip': {'session_persistence': {}}}
self.assertFalse(cfg._has_http_cookie_persistence(config))
def test_get_session_persistence(self):
config = {'vip': {'session_persistence': {'type': 'SOURCE_IP'}}}
self.assertEqual(cfg._get_session_persistence(config),
['stick-table type ip size 10k', 'stick on src'])
config = {'vip': {'session_persistence': {'type': 'HTTP_COOKIE'}}}
self.assertEqual(cfg._get_session_persistence(config),
['cookie SRV insert indirect nocache'])
config = {'vip': {'session_persistence': {'type': 'APP_COOKIE',
'cookie_name': 'test'}}}
self.assertEqual(cfg._get_session_persistence(config),
['appsession test len 56 timeout 3h'])
config = {'vip': {'session_persistence': {'type': 'APP_COOKIE'}}}
self.assertEqual(cfg._get_session_persistence(config), [])
config = {'vip': {'session_persistence': {'type': 'UNSUPPORTED'}}}
self.assertEqual(cfg._get_session_persistence(config), [])
def test_expand_expected_codes(self):
exp_codes = ''
self.assertEqual(cfg._expand_expected_codes(exp_codes), set([]))
exp_codes = '200'
self.assertEqual(cfg._expand_expected_codes(exp_codes), set(['200']))
exp_codes = '200, 201'
self.assertEqual(cfg._expand_expected_codes(exp_codes),
set(['200', '201']))
exp_codes = '200, 201,202'
self.assertEqual(cfg._expand_expected_codes(exp_codes),
set(['200', '201', '202']))
exp_codes = '200-202'
self.assertEqual(cfg._expand_expected_codes(exp_codes),
set(['200', '201', '202']))
exp_codes = '200-202, 205'
self.assertEqual(cfg._expand_expected_codes(exp_codes),
set(['200', '201', '202', '205']))
exp_codes = '200, 201-203'
self.assertEqual(cfg._expand_expected_codes(exp_codes),
set(['200', '201', '202', '203']))
exp_codes = '200, 201-203, 205'
self.assertEqual(cfg._expand_expected_codes(exp_codes),
set(['200', '201', '202', '203', '205']))
exp_codes = '201-200, 205'
self.assertEqual(cfg._expand_expected_codes(exp_codes), set(['205']))
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