diff --git a/tools/messages_length.yaml b/tools/messages_length.yaml new file mode 100644 index 000000000..092ed513c --- /dev/null +++ b/tools/messages_length.yaml @@ -0,0 +1,13 @@ +# The numbers below present the length of the messages (in string equivalent) +# that were sent through the MQ backend (RabbitMQ) during the +# boot_and_delete_server Rally scenario run (50 times, concurrency equal to 3). +# The information was gathered via adding log to the _send method of +# AMQPDriverBase class after all lines related to the msg object modifications. + +# Message length was gathered to introduce real-like message generator for +# simulator.py oslo.messaging tool, that could introduce traffic closer to the +# real control plane load and estimate both message length and size (in bytes) +# going through the MQ layer. + +test_data: + string_lengths: 806, 992, 992, 1116, 1116, 1191, 1595, 1199, 1043, 1210, 1220, 1191, 1123, 1624, 2583, 1153, 4412, 1642, 1210, 1590, 1500, 1500, 1500, 1500, 1500, 1500, 6386, 6368, 6386, 6368, 6386, 11292, 2136, 5407, 6368, 11292, 2136, 5407, 2116, 2116, 11292, 2136, 5398, 5407, 4357, 5431, 2116, 2116, 5398, 4407, 5431, 2116, 2116, 5398, 4457, 5431, 4387, 2627, 4387, 2094, 2038, 2627, 2094, 2038, 5438, 4387, 5438, 2310, 2310, 2627, 2094, 2496, 2038, 5451, 2310, 5438, 2496, 2496, 2240, 2099, 2240, 1500, 2099, 2626, 5451, 2240, 2626, 1555, 1555, 1702, 1500, 5451, 1702, 2450, 2450, 1570, 1155, 4539, 1570, 4539, 1641, 2099, 1641, 2626, 1555, 1702, 2450, 1570, 3518, 5710, 1641, 2226, 2643, 3382, 6671, 3518, 2531, 2226, 2643, 2124, 3382, 5500, 3518, 2531, 2226, 2643, 965, 2124, 3382, 5500, 6858, 2531, 1177, 965, 2124, 5687, 1177, 965, 1575, 1500, 1500, 2549, 7745, 1575, 5687, 7688, 2183, 1177, 2549, 965, 6574, 7688, 2183, 7270, 2128, 7270, 2128, 1575, 6535, 2549, 6574, 6480, 2643, 2584, 6535, 1220, 2644, 7688, 2183, 1500, 1676, 2611, 1500, 6480, 2611, 2643, 1624, 2241, 1153, 4696, 7270, 2128, 2584, 2644, 1590, 2611, 2611, 1555, 2241, 1555, 6535, 6480, 2643, 2584, 2644, 2611, 2611, 2241, 1555, 1702, 2450, 1570, 3308, 2043, 3518, 2582, 2398, 2226, 2093, 3420, 6576, 2142, 4480, 6536, 2298, 2608, 1855, 1880, 2175, 6386, 6368, 11292, 2136, 5407, 2116, 2116, 5398, 4504, 5431, 4434, 2627, 2094, 2038, 5438, 2310, 2496, 2240, 5451, 2099, 2626, 1555, 1702, 2450, 1570, 4539, 1641, 3518, 2226, 2643, 3382, 5500, 2531, 2124, 5687, 1177, 965, 1575, 2549, 6574, 7688, 2183, 1500, 7270, 2128, 1500, 6535, 6480, 2643, 2584, 2644, 2611, 2611, 2241, 1555, 1702, 2450, 1570, 3308, 2043, 3518, 1575, 2582, 2398, 2226, 2093, 3420, 6576, 2142, 4532, 6536, 2298, 2608, 1855, 1880, 2175, 1575, 6386, 6368, 11292, 2136, 5407, 2116, 2116, 5398, 4532, 5431, 4434, 2627, 2094, 2038, 5438, 2310, 2496, 2240, 5451, 2099, 2626, 1555, 1702, 2450, 1570, 4539, 1641, 3518, 2226, 2643, 3382, 5500, 2531, 2124, 5687, 1177, 965, 1575, 1575, 2549, 6574, 7688, 2183, 1500, 7270, 2128, 1500, 6535, 6480, 2643, 2584, 2644, 2611, 2611, 2241, 1555, 1702, 2450, 1570, 3308, 2043, 3518, 2582, 2398, 2226, 2093, 3420, 6576, 2142, 4532, 6536, 2298, 2608, 1855, 1880, 2175, 6386, 6368, 11292, 2136, 5407, 2116, 2116, 5398, 4582, 5431, 4484, 2627, 2094, 2038, 5438, 2310, 2496, 2240, 2099, 2626, 5451, 1555, 1702, 2450, 1570, 4539, 1641, 3518, 2226, 2643, 3382, 5500, 2531, 2124, 1575, 5687, 1177, 965, 1575, 2549, 6574, 7688, 2183, 7270, 1500, 2128, 1500, 6535, 6480, 2643, 2584, 2644, 2611, 2611, 2241, 1555, 1702, 2450, 1570, 3308, 2043, 3518, 2582, 2398, 2226, 2093, 3420, 6576, 2142, 4582, 6536, 2298, 2608, 1855, 1880, 2175, 6386, 6368, 11292, 2136, 5407, 2116, 2116, 5398, 4582, 5431, 4484, 2627, 2094, 2038, 5438, 2310, 2496, 2240, 5451, 2099, 2626, 1555, 1702, 2450, 1570, 4539, 1641, 3518, 2226, 2643, 3382, 5500, 2531, 2124, 5687, 1177, 965, 1575, 1575, 2549, 6574, 7688, 2183, 7270, 2128, 1500, 6535, 6480, 2643, 2584, 2644, 2611, 2611, 2241, 1500, 1555, 1702, 2450, 1570, 3308, 2043, 3518, 2582, 2398, 2226, 2093, 3420, 6576, 2142, 4582, 6536, 2298, 2608, 1855, 1880, 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3518, 1575, 2582, 2398, 6386, 2226, 6368, 2093, 3420, 6576, 2142, 4452, 11292, 2136, 6536, 5407, 6386, 6368, 2298, 2116, 2116, 2608, 5398, 1855, 1880, 2175, 4526, 5431, 11292, 2136, 5407, 4456, 2627, 2094, 2038, 2116, 2310, 2496, 5438, 2116, 2240, 5398, 5451, 4604, 5431, 2099, 2626, 1555, 4506, 2627, 1702, 2094, 2038, 5438, 2310, 2450, 2496, 4539, 2240, 1641, 2099, 1500, 1570, 6386, 2626, 5451, 1555, 6368, 1500, 1702, 2450, 11292, 2136, 1570, 5407, 3518, 2116, 2116, 5398, 4539, 2226, 1641, 4604, 2643, 5431, 3382, 3518, 5500, 4506, 2531, 2627, 2094, 2038, 5438, 2226, 2310, 2124, 2643, 3382, 5451, 2496, 5500, 2240, 2531, 2099, 2626, 1555, 5687, 2124, 1177, 1702, 965, 2450, 1570, 4539, 1641, 1575, 3518, 2226, 2643, 3382, 5500, 1575, 5687, 2531, 1177, 965, 6574, 2549, 2124, 1500, 1500, 7688, 2183, 7270, 2128, 1575, 5687, 1177, 2549, 6574, 965, 6535, 7688, 2183, 6480, 2643, 2584, 2644, 2611, 2611, 2241, 1555, 1500, 1702, 1500, 2450, 1570, 3308, 2043, 3518, 7270, 2128, 2582, 2398, 2226, 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1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1676, 1220, 1624, 1153, 4412, 1597, 908, 1590, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1676, 1220, 1624, 1153, 1500, 4412, 1500, 1590, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500, 1597, 908, 1500, 1500, 1676, 1220, 1624, 1153, 4412, 1590, 1500, 1500, 1500, 1500, 1500, 1500 \ No newline at end of file diff --git a/tools/simulator.py b/tools/simulator.py index 8b8fc0bbc..d3dda3eec 100755 --- a/tools/simulator.py +++ b/tools/simulator.py @@ -13,14 +13,19 @@ import eventlet eventlet.monkey_patch() -import os - import argparse +import collections import datetime import logging +import os +import random +import string import sys import threading import time +import yaml + +from scipy.stats import rv_discrete from oslo_config import cfg import oslo_messaging as messaging @@ -28,6 +33,8 @@ from oslo_messaging import notify # noqa from oslo_messaging import rpc # noqa LOG = logging.getLogger() +RANDOM_VARIABLE = None +CURRENT_PID = None USAGE = """ Usage: ./simulator.py [-h] [--url URL] [-d DEBUG]\ {notify-server,notify-client,rpc-server,rpc-client} ... @@ -40,6 +47,29 @@ Usage example: --exit-wait 15000 -p 64 -m 64""" +def init_random_generator(): + data = [] + with open('./messages_length.yaml') as m_file: + content = yaml.load(m_file) + data += [int(n) for n in content[ + 'test_data']['string_lengths'].split(', ')] + + ranges = collections.defaultdict(int) + for msg_length in data: + range_start = (msg_length / 500) * 500 + 1 + ranges[range_start] += 1 + + ranges_start = sorted(ranges.keys()) + total_count = len(data) + ranges_dist = [] + for r in ranges_start: + r_dist = float(ranges[r]) / total_count + ranges_dist.append(r_dist) + + random_var = rv_discrete(values=(ranges_start, ranges_dist)) + return random_var + + class LoggingNoParsingFilter(logging.Filter): def filter(self, record): msg = record.getMessage() @@ -136,9 +166,19 @@ def send_msg(_id, transport, target, messages, wait_after_msg, timeout, client = client.prepare(timeout=timeout) rpc_method = _rpc_cast if is_cast else _rpc_call - for i in range(0, messages): - msg = "test message %d" % i - LOG.info("SEND: %s" % msg) + ranges = RANDOM_VARIABLE.rvs(size=messages) + i = 0 + for range_start in ranges: + length = random.randint(range_start, range_start + 497) + msg = ''.join(random.choice(string.lowercase) for x in range(length)) \ + + ' ' + str(i) + i += 1 + # temporary file to log approximate bytes size of messages + with open('./oslo_%s_%s.log' % (target.topic, CURRENT_PID), 'a+') as f: + # 37 additional bytes for Python String object size canculation. + # In fact we may ignore these bytes, and estimate the data flow + # via number of symbols + f.write(str(length + 37) + '\n') rpc_method(client, msg) if wait_after_msg > 0: time.sleep(wait_after_msg) @@ -197,6 +237,9 @@ def main(): parser.add_argument('-d', '--debug', dest='debug', type=bool, default=False, help="Turn on DEBUG logging level instead of WARN") + parser.add_argument('-tp', '--topic', dest='topic', + default="profiler_topic", + help="Topic to publish/receive messages to/from.") subparsers = parser.add_subparsers(dest='mode', help='notify/rpc server/client mode') @@ -246,7 +289,7 @@ def main(): cfg.CONF.project = 'oslo.messaging' transport = messaging.get_transport(cfg.CONF, url=args.url) - target = messaging.Target(topic='profiler_topic', server='profiler_server') + target = messaging.Target(topic=args.topic, server='profiler_server') if args.mode == 'rpc-server': if args.url.startswith('zmq'): @@ -266,11 +309,29 @@ def main(): args.is_cast) time_ellapsed = (datetime.datetime.now() - start).total_seconds() msg_count = args.messages * args.threads - print ('%d messages was sent for %s seconds. Bandwight is %s msg/sec' - % (msg_count, time_ellapsed, (msg_count / time_ellapsed))) + log_msg = '%d messages was sent for %s seconds. ' \ + 'Bandwidth is %s msg/sec' % (msg_count, time_ellapsed, + (msg_count / time_ellapsed)) + print (log_msg) + with open('./oslo_res_%s.txt' % args.topic, 'a+') as f: + f.write(log_msg + '\n') + + with open('./oslo_%s_%s.log' % (args.topic, CURRENT_PID), 'a+') as f: + data = f.read() + data = [int(i) for i in data.split()] + data_sum = sum(data) + log_msg = '%s bytes were sent for %s seconds. Bandwidth is %s b/s' % ( + data_sum, time_ellapsed, (data_sum / time_ellapsed)) + print(log_msg) + with open('./oslo_res_%s.txt' % args.topic, 'a+') as f: + f.write(log_msg + '\n') + os.remove('./oslo_%s_%s.log' % (args.topic, CURRENT_PID)) + LOG.info("calls finished, wait %d seconds" % args.exit_wait) time.sleep(args.exit_wait) if __name__ == '__main__': + RANDOM_VARIABLE = init_random_generator() + CURRENT_PID = os.getpid() main()