86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
# Copyright (c) 2016 OVH SAS
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron.agent.linux import ip_lib
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from neutron.agent.linux import tc_lib
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from neutron.tests.functional import base as functional_base
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TEST_HZ_VALUE = 250
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LATENCY = 50
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BW_LIMIT = 1024
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BURST = 512
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BASE_DEV_NAME = "test_tap"
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class TcLibTestCase(functional_base.BaseSudoTestCase):
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def create_device(self, name):
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"""Create a tuntap with the specified name.
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The device is cleaned up at the end of the test.
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"""
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ip = ip_lib.IPWrapper()
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tap_device = ip.add_tuntap(name)
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self.addCleanup(tap_device.link.delete)
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tap_device.link.set_up()
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def test_filters_bandwidth_limit(self):
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device_name = "%s_filters" % BASE_DEV_NAME
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self.create_device(device_name)
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tc = tc_lib.TcCommand(device_name, TEST_HZ_VALUE)
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tc.set_filters_bw_limit(BW_LIMIT, BURST)
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bw_limit, burst = tc.get_filters_bw_limits()
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self.assertEqual(BW_LIMIT, bw_limit)
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self.assertEqual(BURST, burst)
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new_bw_limit = BW_LIMIT + 500
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new_burst = BURST + 50
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tc.update_filters_bw_limit(new_bw_limit, new_burst)
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bw_limit, burst = tc.get_filters_bw_limits()
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self.assertEqual(new_bw_limit, bw_limit)
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self.assertEqual(new_burst, burst)
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tc.delete_filters_bw_limit()
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bw_limit, burst = tc.get_filters_bw_limits()
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self.assertIsNone(bw_limit)
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self.assertIsNone(burst)
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def test_tbf_bandwidth_limit(self):
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device_name = "%s_tbf" % BASE_DEV_NAME
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self.create_device(device_name)
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tc = tc_lib.TcCommand(device_name, TEST_HZ_VALUE)
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tc.set_tbf_bw_limit(BW_LIMIT, BURST, LATENCY)
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bw_limit, burst = tc.get_tbf_bw_limits()
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self.assertEqual(BW_LIMIT, bw_limit)
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self.assertEqual(BURST, burst)
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new_bw_limit = BW_LIMIT + 500
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new_burst = BURST + 50
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tc.set_tbf_bw_limit(new_bw_limit, new_burst, LATENCY)
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bw_limit, burst = tc.get_tbf_bw_limits()
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self.assertEqual(new_bw_limit, bw_limit)
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self.assertEqual(new_burst, burst)
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tc.delete_tbf_bw_limit()
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bw_limit, burst = tc.get_tbf_bw_limits()
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self.assertIsNone(bw_limit)
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self.assertIsNone(burst)
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