def _wait_for_bw_rule_applied(self, vm, limit, burst, direction):
port_name = linuxbridge_agent.LinuxBridgeManager.get_tap_device_name(
vm.neutron_port['id'])
tc = tc_lib.TcCommand(port_name,
linuxbridge_agent_config.DEFAULT_KERNEL_HZ_VALUE,
namespace=vm.host.host_namespace)
if direction == constants.EGRESS_DIRECTION:
utils.wait_until_true(lambda: tc.get_filters_bw_limits() ==
(limit, burst))
elif direction == constants.INGRESS_DIRECTION:
utils.wait_until_true(lambda: tc.get_tbf_bw_limits() ==
(limit, burst))
def setUp(self):
super(TestTcCommand, self).setUp()
self.tc = tc_lib.TcCommand(DEVICE_NAME, KERNEL_HZ_VALUE)
self.mock_list_tc_qdiscs = mock.patch.object(tc_lib,
'list_tc_qdiscs').start()
self.mock_add_tc_qdisc = mock.patch.object(tc_lib,
'add_tc_qdisc').start()
self.mock_delete_tc_qdisc = mock.patch.object(
tc_lib, 'delete_tc_qdisc').start()
self.mock_list_tc_filters = mock.patch.object(
tc_lib, 'list_tc_filters').start()
self.mock_add_tc_filter_policy = mock.patch.object(
tc_lib, 'add_tc_filter_policy').start()
def setUp(self):
super(TestTcCommand, self).setUp()
self.tc = tc_lib.TcCommand(DEVICE_NAME, KERNEL_HZ_VALUE)
self.bw_limit = "%s%s" % (BW_LIMIT, tc_lib.BW_LIMIT_UNIT)
self.burst = "%s%s" % (BURST, tc_lib.BURST_UNIT)
self.latency = "%s%s" % (LATENCY, tc_lib.LATENCY_UNIT)
self.execute = mock.patch('neutron.agent.common.utils.execute').start()
self.mock_list_tc_qdiscs = mock.patch.object(tc_lib,
'list_tc_qdiscs').start()
self.mock_add_tc_qdisc = mock.patch.object(tc_lib,
'add_tc_qdisc').start()
self.mock_delete_tc_qdisc = mock.patch.object(
tc_lib, 'delete_tc_qdisc').start()
def test_minimum_bandwidth(self):
device_name = "tap_testmin"
self.create_device(device_name)
tc = tc_lib.TcCommand(device_name)
tc.set_bw(None, None, BW_MIN, DIRECTION_EGRESS)
_, _, bw_min = tc.get_limits(DIRECTION_EGRESS)
self.assertEqual(BW_MIN, bw_min)
new_bw_min = BW_MIN + 50
tc.set_bw(None, None, new_bw_min, DIRECTION_EGRESS)
_, _, bw_min = tc.get_limits(DIRECTION_EGRESS)
self.assertEqual(new_bw_min, bw_min)
tc.delete_bw(DIRECTION_EGRESS)
_, _, bw_min = tc.get_limits(DIRECTION_EGRESS)
self.assertIsNone(bw_min)
def test_tbf_bandwidth_limit(self):
device_name = "%s_tbf" % BASE_DEV_NAME
self.create_device(device_name)
tc = tc_lib.TcCommand(device_name, TEST_HZ_VALUE)
tc.set_tbf_bw_limit(BW_LIMIT, BURST, LATENCY)
bw_limit, burst = tc.get_tbf_bw_limits()
self.assertEqual(BW_LIMIT, bw_limit)
self.assertEqual(BURST, burst)
new_bw_limit = BW_LIMIT + 500
new_burst = BURST + 50
tc.set_tbf_bw_limit(new_bw_limit, new_burst, LATENCY)
bw_limit, burst = tc.get_tbf_bw_limits()
self.assertEqual(new_bw_limit, bw_limit)
self.assertEqual(new_burst, burst)
tc.delete_tbf_bw_limit()
bw_limit, burst = tc.get_tbf_bw_limits()
self.assertIsNone(bw_limit)
self.assertIsNone(burst)
def test_bandwidth_limit(self):
device_name = "tap_testmax"
self.create_device(device_name)
tc = tc_lib.TcCommand(device_name)
tc.set_bw(BW_LIMIT, BURST, None, DIRECTION_EGRESS)
bw_limit, burst, _ = tc.get_limits(DIRECTION_EGRESS)
self.assertEqual(BW_LIMIT, bw_limit)
self.assertEqual(BURST, burst)
new_bw_limit = BW_LIMIT + 100
new_burst = BURST + 50
tc.set_bw(new_bw_limit, new_burst, None, DIRECTION_EGRESS)
bw_limit, burst, _ = tc.get_limits(DIRECTION_EGRESS)
self.assertEqual(new_bw_limit, bw_limit)
self.assertEqual(new_burst, burst)
tc.delete_bw(DIRECTION_EGRESS)
bw_limit, burst, _ = tc.get_limits(DIRECTION_EGRESS)
self.assertIsNone(bw_limit)
self.assertIsNone(burst)
def _get_tc_wrapper(self, port):
return tc_lib.TcCommand(
port['device'],
cfg.CONF.QOS.kernel_hz,
)
def _wait_for_bw_rule_applied(self, vm, limit=None, burst=None, min=None):
port_name = linuxbridge_agent.LinuxBridgeManager.get_tap_device_name(
vm.neutron_port['id'])
tc = tc_lib.TcCommand(port_name, namespace=vm.host.host_namespace)
utils.wait_until_true(lambda: _check_bw_limits(tc, limit, burst, min))
def setUp(self):
super(TestTcCommand, self).setUp()
self.tc = tc_lib.TcCommand(self.DEVICE_NAME)
self.execute = mock.patch('neutron.agent.common.utils.execute').start()
def setUp(self):
super(TcLibTestCase, self).setUp()
self.create_device()
self.tc = tc_lib.TcCommand(DEV_NAME, TEST_HZ_VALUE)