mirror of
https://github.com/ceph/s3-tests.git
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138 lines
4.5 KiB
Python
138 lines
4.5 KiB
Python
#!/usr/bin/python
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import gevent
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import gevent.pool
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import gevent.queue
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import gevent.monkey; gevent.monkey.patch_all()
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import optparse
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import sys
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import time
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import random
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import yaml
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import generate_objects
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import realistic
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import common
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NANOSECOND = int(1e9)
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def reader(bucket, name, queue):
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while True:
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count = 0
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for key in bucket.list():
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fp = realistic.FileVerifier()
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start = time.time()
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key.get_contents_to_file(fp)
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end = time.time()
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elapsed = end - start
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queue.put(
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dict(
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type='r',
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bucket=bucket.name,
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key=key.name,
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#TODO chunks
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start=start,
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duration=int(round(elapsed * NANOSECOND)),
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#TODO error, fp.valid()
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#TODO name
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),
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)
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count += 1
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if count == 0:
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gevent.sleep(1)
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def writer(bucket, name, queue, quantity=1, file_size=1, file_stddev=0, file_name_seed=None):
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while True:
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r = random.randint(0, 65535)
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r2 = r
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if file_name_seed != None:
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r2 = file_name_seed
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files = generate_objects.get_random_files(
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quantity=quantity,
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mean=1024 * file_size,
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stddev=1024 * file_stddev,
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seed=r,
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)
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start = time.time()
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generate_objects.upload_objects(bucket, files, r2)
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end = time.time()
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elapsed = end - start
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queue.put(
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dict(
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type='w',
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bucket=bucket.name,
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#TODO this current combines stats for multiple files? key=key.name,
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#TODO chunks
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start=start,
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duration=int(round(elapsed * NANOSECOND)),
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#TODO error
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),
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)
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def parse_options():
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parser = optparse.OptionParser()
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parser.add_option("-t", "--time", dest="duration", type="float",
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help="duration to run tests (seconds)", default=5, metavar="SECS")
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parser.add_option("-r", "--read", dest="num_readers", type="int",
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help="number of reader threads", default=0, metavar="NUM")
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parser.add_option("-w", "--write", dest="num_writers", type="int",
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help="number of writer threads", default=2, metavar="NUM")
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parser.add_option("-s", "--size", dest="file_size", type="float",
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help="file size to use, in kb", default=1024, metavar="KB")
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parser.add_option("-q", "--quantity", dest="quantity", type="int",
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help="number of files per batch", default=1, metavar="NUM")
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parser.add_option("-d", "--stddev", dest="stddev", type="float",
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help="stddev of file size", default=0, metavar="KB")
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parser.add_option("-W", "--rewrite", dest="rewrite", action="store_true",
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help="rewrite the same files (total=quantity)")
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parser.add_option("--no-cleanup", dest="cleanup", action="store_false",
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help="skip cleaning up all created buckets", default=True)
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return parser.parse_args()
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def main():
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# parse options
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(options, args) = parse_options()
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try:
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# setup
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common.setup()
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bucket = common.get_new_bucket()
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print "Created bucket: {name}".format(name=bucket.name)
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r = None
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if (options.rewrite):
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r = random.randint(0, 65535)
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q = gevent.queue.Queue()
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# main work
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print "Using file size: {size} +- {stddev}".format(size=options.file_size, stddev=options.stddev)
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print "Spawning {r} readers and {w} writers...".format(r=options.num_readers, w=options.num_writers)
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group = gevent.pool.Group()
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for x in xrange(options.num_writers):
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group.spawn(writer, bucket,
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name=x,
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queue=q,
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file_size=options.file_size,
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file_stddev=options.stddev,
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quantity=options.quantity,
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file_name_seed=r,
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)
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for x in xrange(options.num_readers):
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group.spawn(reader, bucket,
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name=x,
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queue=q,
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)
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def stop():
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group.kill(block=True)
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q.put(StopIteration)
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gevent.spawn_later(options.duration, stop)
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yaml.safe_dump_all(q, stream=sys.stdout, default_flow_style=False)
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finally:
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# cleanup
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if options.cleanup:
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common.teardown()
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