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ovs-test: A new tool that allows to diagnose connectivity and perform…
…ance issues This tool will be a replacement for the current ovs-vlan-test utility. Besides from connectivity issues it will also be able to detect performance related issues in Open vSwitch setups. Currently it uses UDP and TCP protocols for stressing. Issue #6976
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Ansis Atteka
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Nov 18, 2011
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| usr/share/pyshared/ovstest/ |
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| usr/share/openvswitch/python/ovstest usr/lib/python2.4/site-packages/ | ||
| usr/bin/ovs-test |
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| _debian/utilities/ovs-test.8 |
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| usr/share/openvswitch/python/* usr/lib/python2.4/site-packages/ | ||
| usr/share/openvswitch/python/ovs usr/lib/python2.4/site-packages/ |
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| # This file intentionally left blank. |
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| # Copyright (c) 2011 Nicira Networks | ||
| # | ||
| # 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. | ||
|
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| """ | ||
| ovsargs provide argument parsing for ovs-test utility | ||
| """ | ||
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| import argparse | ||
| import socket | ||
| import re | ||
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| def ip(string): | ||
| """Verifies if string is a valid IP address""" | ||
| try: | ||
| socket.inet_aton(string) | ||
| except socket.error: | ||
| raise argparse.ArgumentTypeError("Not a valid IPv4 address") | ||
| return string | ||
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| def port(string): | ||
| """Convert a string into a Port (integer)""" | ||
| try: | ||
| port_number = int(string) | ||
| if port_number < 1 or port_number > 65535: | ||
| raise argparse.ArgumentTypeError("Port is out of range") | ||
| except ValueError: | ||
| raise argparse.ArgumentTypeError("Port is not an integer") | ||
| return port_number | ||
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| def ip_optional_port(string, default_port): | ||
| """Convert a string into IP and Port pair. If port was absent then use | ||
| default_port as the port""" | ||
| value = string.split(':') | ||
| if len(value) == 1: | ||
| return (ip(value[0]), default_port) | ||
| elif len(value) == 2: | ||
| return (ip(value[0]), port(value[1])) | ||
| else: | ||
| raise argparse.ArgumentTypeError("IP address from the optional Port " | ||
| "must be colon-separated") | ||
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| def server_endpoint(string): | ||
| """Converts a string in ControlIP[:ControlPort][,TestIP[:TestPort]] format | ||
| into a 4-tuple, where: | ||
| 1. First element is ControlIP | ||
| 2. Second element is ControlPort (if omitted will use default value 15531) | ||
| 3 Third element is TestIP (if omitted will be the same as ControlIP) | ||
| 4. Fourth element is TestPort (if omitted will use default value 15532)""" | ||
| value = string.split(',') | ||
| if len(value) == 1: # TestIP and TestPort are not present | ||
| ret = ip_optional_port(value[0], 15531) | ||
| return (ret[0], ret[1], ret[0], 15532) | ||
| elif len(value) == 2: | ||
| ret1 = ip_optional_port(value[0], 15531) | ||
| ret2 = ip_optional_port(value[1], 15532) | ||
| return (ret1[0], ret1[1], ret2[0], ret2[1]) | ||
| else: | ||
| raise argparse.ArgumentTypeError("ControlIP:ControlPort and TestIP:" | ||
| "TestPort must be comma " | ||
| "separated") | ||
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| def bandwidth(string): | ||
| """Convert a string (given in bits/second with optional magnitude for | ||
| units) into a long (bytes/second)""" | ||
| if re.match("^[1-9][0-9]*[MK]?$", string) == None: | ||
| raise argparse.ArgumentTypeError("Not a valid target bandwidth") | ||
| bwidth = string.replace("M", "000000") | ||
| bwidth = bwidth.replace("K", "000") | ||
| return long(bwidth) / 8 # Convert from bits to bytes | ||
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| def ovs_initialize_args(): | ||
| """Initialize args for ovstest utility""" | ||
| parser = argparse.ArgumentParser(description = 'Test ovs connectivity') | ||
| parser.add_argument('-v', '--version', action = 'version', | ||
| version = 'ovs-test (Open vSwitch) @VERSION@') | ||
| parser.add_argument("-b", "--bandwidth", action = 'store', | ||
| dest = "targetBandwidth", default = "1M", type = bandwidth, | ||
| help = 'target bandwidth for UDP tests in bits/second. Use ' | ||
| 'postfix M or K to alter unit magnitude.') | ||
| group = parser.add_mutually_exclusive_group(required = True) | ||
| group.add_argument("-s", "--server", action = "store", dest = "port", | ||
| type = port, | ||
| help = 'run in server mode and wait client to connect to this ' | ||
| 'port') | ||
| group.add_argument('-c', "--client", action = "store", nargs = 2, | ||
| dest = "servers", type = server_endpoint, | ||
| metavar = ("SERVER1", "SERVER2"), | ||
| help = 'run in client mode and do tests between these ' | ||
| 'two servers. Each server must be specified in following ' | ||
| 'format - ControlIP[:ControlPort][,TestIP[:TestPort]]. If ' | ||
| 'TestIP is omitted then ovs-test server will also use the ' | ||
| 'ControlIP for testing purposes. ControlPort is TCP port ' | ||
| 'where server will listen for incoming XML/RPC control ' | ||
| 'connections to schedule tests (by default 15531). TestPort ' | ||
| 'is port which will be used by server to send test traffic ' | ||
| '(by default 15532)') | ||
| return parser.parse_args() |
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