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main.py
216 lines (190 loc) · 7.24 KB
/
main.py
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import os
from random import randint
import logging
import csv
import contextlib
from uuid import uuid4
from datetime import datetime, timedelta
from tornado.options import define, options
from tornado import gen
from tornado.ioloop import IOLoop
from tornado.queues import PriorityQueue
import models
define('host', default='localhost:5432', help='Database host')
define('db_name', default='postgres', help='Name of database to connect')
define('db_user', default='postgres', help='User for database')
define('db_password', default='123456', help='Database password')
define('test_time', default=60, help='Time of test running in seconds')
define('clients_number', default=100, help='Number of clients for concurrent testing')
define('queries_number', default=60, help='Number of queries to database per client')
define('conf_file', default=None, help='Path to configuration file')
define('rw_ratio', default=0.2, help='Ratio read_req/write_req')
define('debug', default=False, help='Show debug messages')
define('log_suffix', default=None, help='Suffix for log file')
define('log_params', default=True, help='Add run params to log name [test_time, clients_number, queries_number]')
define('truncate', default=True, help='Remove all data from table before start')
define('init_records', default=10000, help='Initiate test table with number of records')
logger = logging.getLogger()
options.parse_command_line()
if options.conf_file is not None and os.path.exists(options.conf_file):
options.parse_config_file(options.conf_file)
if options.debug:
logger.setLevel(logging.DEBUG)
csv_file = None
chunc_start = 0
def log_func(func_tp):
def innter(func_):
def wrapper(*args, **kwargs):
start_time = datetime.now()
success = True
try:
func_(*args, **kwargs)
except:
success = False
stop_time = datetime.now()
runtime = stop_time - start_time
csv_file.writerow((start_time, stop_time, runtime, success, func_tp))
return wrapper
return innter
class Worker(object):
def __init__(self, id_):
self.id_ = id_
@gen.coroutine
@log_func('w')
def write_worker(self):
logger.debug('write start {}'.format(self.id_ if self.id_ else ''))
engine = models.get_engine(**options.as_dict())
with contextlib.closing(models.get_session(engine)) as session:
t = models.TestTable.random(session)
session.add(t)
session.commit()
logger.debug('write stop {}'.format(self.id_ if self.id_ else ''))
@gen.coroutine
@log_func('r')
def read_worker(self):
logger.debug('read start {}'.format(self.id_ if self.id_ else ''))
engine = models.get_engine(**options.as_dict())
with contextlib.closing(models.get_session(engine)) as session:
query = session.query(models.TestTable)\
.order_by(models.TestTable.value)\
.filter(models.TestTable.value > models.TestTable._rand_lim)
for inst in query:
inst
logger.debug('read stop {}'.format(self.id_ if self.id_ else ''))
class Client(object):
def __init__(self, register, name=None):
self._queue = PriorityQueue(maxsize=options.queries_number)
self.queries_number = options.queries_number
self.stop_time = datetime.now() + timedelta(seconds=options.test_time)
self.register = register
self.__count = 0
self.__processed = 0
if register is not None:
register.add(self)
if name is None:
self.name = uuid4()
else:
self.name = name
io_loop = IOLoop.instance()
io_loop.spawn_callback(self.consume)
io_loop.spawn_callback(self.start)
@gen.coroutine
def start(self):
yield self.produce()
yield self._queue.join()
@gen.coroutine
def exit(self):
logger.debug('client {} exiting'.format(self.name))
self.register.remove(self)
if not self.register:
IOLoop.instance().stop()
logger.debug('all clients exited')
else:
logger.debug('{} clients left'.format(len(self.register)))
@gen.coroutine
def produce(self):
logger.debug('producer {} start'.format(self.name))
while True:
if self.__count >= self.queries_number or datetime.now() > self.stop_time:
break
p = randint(0, 100)
res = 'r'
if float(p) / 100. <= options.rw_ratio:
res = 'w'
yield self._queue.put((randint(0, 10), res))
self.__count += 1
logger.debug('producer {} finished'.format(self.name))
self.stop_time = datetime.now() + timedelta(seconds=options.test_time)
@gen.coroutine
def consume(self):
logger.debug('consumer {} start'.format(self.name))
while True:
if datetime.now() > self.stop_time or self.__processed >= self.queries_number:
logger.debug('{}'.format(datetime.now() > self.stop_time))
break
pr, tp = yield self._queue.get()
w = Worker(self.name)
# if tp == 'r':
# yield w.read_worker()
# elif tp == 'w':
# yield w.write_worker()
yield gen.sleep(0.00000) # hack
if tp == 'w':
yield w.write_worker()
elif tp == 'r':
yield w.read_worker()
self.__processed += 1
self._queue.task_done()
logger.debug('consumer {} finished'.format(self.name))
yield gen.sleep(0.00000) # hack
yield self.exit()
def init():
engine = models.get_engine(**options.as_dict())
models.Base.metadata.create_all(engine)
if options.truncate:
with contextlib.closing(models.get_session(engine)) as session:
models.TestTable.truncate(session)
if options.init_records:
with contextlib.closing(models.get_session(engine)) as session:
session.bulk_save_objects([models.TestTable.random(session) for i in xrange(options.init_records)])
session.commit()
logger.debug('initiated')
def get_log_name(*args):
suffix_array = [datetime.now()]
delim = '_'
splitter = ','
prefix = os.path.join('logs', 'log' + delim)
if options.log_suffix:
suffix_array.extend(options.suffix_array.split(splitter))
if options.log_params:
suffix_array.extend([
options.test_time,
options.clients_number,
options.queries_number
])
if args:
suffix_array.extend(*args)
suffix = delim.join(map(str, suffix_array))
ext = '.csv'
return prefix + suffix + ext
@gen.coroutine
def main():
init()
global csv_file
register = set()
if not os.path.exists('logs'):
os.mkdir('logs')
log_file = open(get_log_name(), 'wb')
csv_file = csv.writer(log_file)
csv_file.writerow(['start', 'finish', 'runtime', 'success', 'r/w'])
for i in xrange(options.clients_number):
register.add(
Client(
register=register,
name=str(i)
)
)
IOLoop.current().start()
IOLoop.current().stop()
if __name__ == '__main__':
main()