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79 lines
1.9 KiB
Python
79 lines
1.9 KiB
Python
# Verify throughput over sudo and SSH at various compression levels.
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import os
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import random
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import socket
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import subprocess
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import tempfile
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import time
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import mitogen
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import mitogen.core
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import mitogen.service
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import ansible_mitogen.affinity
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def prepare():
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pass
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def transfer(context, path):
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fp = open('/dev/null', 'wb')
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mitogen.service.FileService.get(context, path, fp)
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fp.close()
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def fill_with_random(fp, size):
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n = 0
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s = os.urandom(1048576*16)
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while n < size:
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fp.write(s)
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n += len(s)
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def run_test(router, fp, s, context):
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fp.seek(0, 2)
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size = fp.tell()
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print('Testing %s...' % (s,))
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context.call(prepare)
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t0 = mitogen.core.now()
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context.call(transfer, router.myself(), fp.name)
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t1 = mitogen.core.now()
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print('%s took %.2f ms to transfer %.2f MiB, %.2f MiB/s' % (
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s, 1000 * (t1 - t0), size / 1048576.0,
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(size / (t1 - t0) / 1048576.0),
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))
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@mitogen.main()
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def main(router):
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ansible_mitogen.affinity.policy.assign_muxprocess()
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bigfile = tempfile.NamedTemporaryFile()
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fill_with_random(bigfile, 1048576*512)
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file_service = mitogen.service.FileService(router)
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pool = mitogen.service.Pool(router, ())
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file_service.register(bigfile.name)
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pool.add(file_service)
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try:
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context = router.local()
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run_test(router, bigfile, 'local()', context)
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context.shutdown(wait=True)
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context = router.sudo()
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run_test(router, bigfile, 'sudo()', context)
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context.shutdown(wait=True)
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context = router.ssh(hostname='localhost', compression=False)
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run_test(router, bigfile, 'ssh(compression=False)', context)
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context.shutdown(wait=True)
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context = router.ssh(hostname='localhost', compression=True)
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run_test(router, bigfile, 'ssh(compression=True)', context)
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context.shutdown(wait=True)
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finally:
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pool.stop()
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bigfile.close()
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