55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
# Copyright (c) 2015 Red Hat, Inc.
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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 utils as agent_utils
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def extract_mod_nw_tos_action(flows):
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tos_mark = None
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if flows:
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flow_list = flows.splitlines()
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for flow in flow_list:
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if 'mod_nw_tos' in flow:
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actions = flow.partition('actions=')[2]
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after_mod = actions.partition('mod_nw_tos:')[2]
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tos_mark = int(after_mod.partition(',')[0])
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return tos_mark
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def wait_until_bandwidth_limit_rule_applied(bridge, port_vif, rule):
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def _bandwidth_limit_rule_applied():
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bw_rule = bridge.get_egress_bw_limit_for_port(port_vif)
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expected = None, None
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if rule:
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expected = rule.max_kbps, rule.max_burst_kbps
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return bw_rule == expected
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agent_utils.wait_until_true(_bandwidth_limit_rule_applied)
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def wait_until_dscp_marking_rule_applied(bridge, port_vif, rule):
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def _dscp_marking_rule_applied():
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port_num = bridge.get_port_ofport(port_vif)
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flows = bridge.dump_flows_for(table='0', in_port=str(port_num))
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dscp_mark = extract_mod_nw_tos_action(flows)
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expected = None
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if rule:
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expected = rule
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return dscp_mark == expected
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agent_utils.wait_until_true(_dscp_marking_rule_applied)
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