Add UT for LBaaS HAProxy driver
fixes bug 1137386 Change-Id: I791d09fc472fd8555f4030cfd1964e70ab9f2771
This commit is contained in:
Oleg Bondarev
parent
e4dd4f78cd
commit
193dbf6d1c
@ -17,12 +17,143 @@
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#
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# @author: Oleg Bondarev (obondarev@mirantis.com)
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import contextlib
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import mock
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import testtools
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from oslo.config import cfg as config
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from quantum.plugins.services.agent_loadbalancer.drivers.haproxy import cfg
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class TestHaproxyCfg(testtools.TestCase):
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def test_save_config(self):
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with contextlib.nested(
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mock.patch('quantum.plugins.services.agent_loadbalancer.'
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'drivers.haproxy.cfg._build_global'),
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mock.patch('quantum.plugins.services.agent_loadbalancer.'
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'drivers.haproxy.cfg._build_defaults'),
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mock.patch('quantum.plugins.services.agent_loadbalancer.'
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'drivers.haproxy.cfg._build_frontend'),
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mock.patch('quantum.plugins.services.agent_loadbalancer.'
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'drivers.haproxy.cfg._build_backend'),
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mock.patch('quantum.agent.linux.utils.replace_file')
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) as (b_g, b_d, b_f, b_b, replace):
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test_config = ['globals', 'defaults', 'frontend', 'backend']
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b_g.return_value = [test_config[0]]
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b_d.return_value = [test_config[1]]
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b_f.return_value = [test_config[2]]
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b_b.return_value = [test_config[3]]
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cfg.save_config('test_path', mock.Mock())
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replace.assert_called_once_with('test_path',
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'\n'.join(test_config))
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def test_build_global(self):
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config.CONF.register_opt(config.StrOpt('user_group'))
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config.CONF.set_override('user_group', 'test_group')
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expected_opts = ['global',
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'\tdaemon',
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'\tuser nobody',
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'\tgroup test_group',
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'\tlog /dev/log local0',
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'\tlog /dev/log local1 notice',
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'\tstats socket test_path mode 0666 level user']
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opts = cfg._build_global(mock.Mock(), 'test_path')
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self.assertEqual(expected_opts, list(opts))
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config.CONF.reset()
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def test_build_defaults(self):
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expected_opts = ['defaults',
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'\tlog global',
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'\tretries 3',
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'\toption redispatch',
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'\ttimeout connect 5000',
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'\ttimeout client 50000',
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'\ttimeout server 50000']
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opts = cfg._build_defaults(mock.Mock())
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self.assertEqual(expected_opts, list(opts))
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config.CONF.reset()
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def test_build_frontend(self):
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test_config = {'vip': {'id': 'vip_id',
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'protocol': 'HTTP',
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'port': {'fixed_ips': [
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{'ip_address': '10.0.0.2'}]
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},
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'protocol_port': 80,
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'connection_limit': 2000,
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},
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'pool': {'id': 'pool_id'}}
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expected_opts = ['frontend vip_id',
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'\toption tcplog',
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'\tbind 10.0.0.2:80',
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'\tmode http',
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'\tdefault_backend pool_id',
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'\tmaxconn 2000',
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'\toption forwardfor']
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opts = cfg._build_frontend(test_config)
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self.assertEqual(expected_opts, list(opts))
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test_config['vip']['connection_limit'] = -1
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expected_opts.remove('\tmaxconn 2000')
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opts = cfg._build_frontend(test_config)
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self.assertEqual(expected_opts, list(opts))
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def test_build_backend(self):
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test_config = {'pool': {'id': 'pool_id',
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'protocol': 'HTTP',
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'lb_method': 'ROUND_ROBIN'},
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'members': [{'status': 'ACTIVE',
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'admin_state_up': True,
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'id': 'member1_id',
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'address': '10.0.0.3',
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'protocol_port': 80,
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'weight': 1}],
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'healthmonitors': [{'status': 'ACTIVE',
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'admin_state_up': True,
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'delay': 3,
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'max_retries': 4,
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'timeout': 2,
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'type': 'TCP'}],
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'vip': {'session_persistence': {'type': 'HTTP_COOKIE'}}}
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expected_opts = ['backend pool_id',
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'\tmode http',
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'\tbalance roundrobin',
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'\toption forwardfor',
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'\ttimeout check 2s',
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'\tcookie SRV insert indirect nocache',
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'\tserver member1_id 10.0.0.3:80 weight 1 '
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'check inter 3s fall 4 cookie 0']
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opts = cfg._build_backend(test_config)
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self.assertEqual(expected_opts, list(opts))
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def test_get_server_health_option(self):
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test_config = {'healthmonitors': [{'status': 'ERROR',
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'admin_state_up': False,
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'delay': 3,
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'max_retries': 4,
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'timeout': 2,
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'type': 'TCP',
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'http_method': 'GET',
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'url_path': '/',
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'expected_codes': '200'}]}
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self.assertEqual(('', []), cfg._get_server_health_option(test_config))
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test_config['healthmonitors'][0]['status'] = 'ACTIVE'
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self.assertEqual(('', []), cfg._get_server_health_option(test_config))
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test_config['healthmonitors'][0]['admin_state_up'] = True
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expected = (' check inter 3s fall 4', ['timeout check 2s'])
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self.assertEqual(expected, cfg._get_server_health_option(test_config))
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test_config['healthmonitors'][0]['type'] = 'HTTPS'
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expected = (' check inter 3s fall 4',
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['timeout check 2s',
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'option httpchk GET /',
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'http-check expect rstatus 200',
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'option ssl-hello-chk'])
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self.assertEqual(expected, cfg._get_server_health_option(test_config))
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def test_has_http_cookie_persistence(self):
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config = {'vip': {'session_persistence': {'type': 'HTTP_COOKIE'}}}
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@ -53,3 +184,29 @@ class TestHaproxyCfg(testtools.TestCase):
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config = {'vip': {'session_persistence': {'type': 'UNSUPPORTED'}}}
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self.assertEqual(cfg._get_session_persistence(config), [])
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def test_expand_expected_codes(self):
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exp_codes = ''
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self.assertEqual(cfg._expand_expected_codes(exp_codes), set([]))
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exp_codes = '200'
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self.assertEqual(cfg._expand_expected_codes(exp_codes), set(['200']))
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exp_codes = '200, 201'
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self.assertEqual(cfg._expand_expected_codes(exp_codes),
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set(['200', '201']))
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exp_codes = '200, 201,202'
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self.assertEqual(cfg._expand_expected_codes(exp_codes),
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set(['200', '201', '202']))
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exp_codes = '200-202'
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self.assertEqual(cfg._expand_expected_codes(exp_codes),
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set(['200', '201', '202']))
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exp_codes = '200-202, 205'
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self.assertEqual(cfg._expand_expected_codes(exp_codes),
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set(['200', '201', '202', '205']))
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exp_codes = '200, 201-203'
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self.assertEqual(cfg._expand_expected_codes(exp_codes),
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set(['200', '201', '202', '203']))
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exp_codes = '200, 201-203, 205'
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self.assertEqual(cfg._expand_expected_codes(exp_codes),
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set(['200', '201', '202', '203', '205']))
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exp_codes = '201-200, 205'
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self.assertEqual(cfg._expand_expected_codes(exp_codes), set(['205']))
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@ -20,6 +20,7 @@ import contextlib
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import mock
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import testtools
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from quantum.common import exceptions
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from quantum.plugins.services.agent_loadbalancer.drivers.haproxy import (
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namespace_driver
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)
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@ -179,3 +180,70 @@ class TestHaproxyNSDriver(testtools.TestCase):
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socket.reset_mock()
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self.assertEqual({}, self.driver.get_stats('pool_id'))
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self.assertFalse(socket.called)
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def test_plug(self):
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test_port = {'id': 'port_id',
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'network_id': 'net_id',
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'mac_address': 'mac_addr',
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'fixed_ips': [{'ip_address': '10.0.0.2',
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'subnet': {'cidr': 'cidr'}}]}
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with contextlib.nested(
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mock.patch('quantum.agent.linux.ip_lib.device_exists'),
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mock.patch('netaddr.IPNetwork'),
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) as (dev_exists, ip_net):
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self.vif_driver.get_device_name.return_value = 'test_interface'
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dev_exists.return_value = False
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ip_net.return_value = ip_net
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ip_net.prefixlen = 24
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self.driver._plug('test_ns', test_port)
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self.vip_plug_callback.assert_called_once_with('plug', test_port)
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self.assertTrue(dev_exists.called)
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self.vif_driver.plug.assert_called_once_with('net_id', 'port_id',
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'test_interface',
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'mac_addr',
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namespace='test_ns')
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self.vif_driver.init_l3.assert_called_once_with('test_interface',
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['10.0.0.2/24'],
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namespace=
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'test_ns')
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dev_exists.return_value = True
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self.assertRaises(exceptions.PreexistingDeviceFailure,
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self.driver._plug, 'test_ns', test_port, False)
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def test_unplug(self):
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self.vif_driver.get_device_name.return_value = 'test_interface'
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self.driver._unplug('test_ns', 'port_id')
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self.vip_plug_callback.assert_called_once_with('unplug',
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{'id': 'port_id'})
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self.vif_driver.unplug('test_interface', namespace='test_ns')
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def test_kill_pids_in_file(self):
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with contextlib.nested(
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mock.patch('os.path.exists'),
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mock.patch('__builtin__.open')
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) as (path_exists, mock_open):
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file_mock = mock.MagicMock()
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mock_open.return_value = file_mock
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file_mock.__enter__.return_value = file_mock
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file_mock.__iter__.return_value = iter(['123'])
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ns_wrapper = mock.Mock()
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path_exists.return_value = False
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namespace_driver.kill_pids_in_file(ns_wrapper, 'test_path')
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path_exists.assert_called_once_with('test_path')
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self.assertFalse(mock_open.called)
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path_exists.return_value = True
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ns_wrapper.netns.execute.side_effect = RuntimeError
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namespace_driver.kill_pids_in_file(ns_wrapper, 'test_path')
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ns_wrapper.netns.execute.assert_called_once_with(['kill', '-9',
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'123'])
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def test_get_state_file_path(self):
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with mock.patch('os.makedirs') as mkdir:
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path = self.driver._get_state_file_path('pool_id', 'conf')
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self.assertEqual('/the/path/pool_id/conf', path)
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mkdir.assert_called_once_with('/the/path/pool_id', 0755)
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