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d1a1c5d601
add_argument(type=argparse.FileType('w'), ...) will open the file
and leave it empty if the script fails.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
74 lines
2.4 KiB
Python
Executable File
74 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Generate a traffic model from a traffic summary file
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#
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# Copyright (C) Catalyst IT Ltd. 2017
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from __future__ import print_function
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import sys
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import argparse
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sys.path.insert(0, "bin/python")
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from samba.emulate import traffic
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from samba.logger import get_samba_logger
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logger = get_samba_logger(name=__name__, level=20)
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error = logger.error
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info = logger.info
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def main():
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parser = argparse.ArgumentParser(description=__doc__,
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formatter_class=argparse.RawDescriptionHelpFormatter)
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parser.add_argument('-o', '--out',
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help="write model here")
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parser.add_argument('--dns-mode', choices=['inline', 'count'],
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help='how to deal with DNS', default='count')
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parser.add_argument('SUMMARY_FILE', nargs='*', type=argparse.FileType('r'),
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default=[sys.stdin],
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help="read from this file (default STDIN)")
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args = parser.parse_args()
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if args.out is None:
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error("No output file was specified to write the model to.")
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error("Please specify a filename using the --out option.")
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return 1
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try:
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outfile = open(args.out, 'w')
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except IOError as e:
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error("could not open %s" % args.out)
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error(e)
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return 1
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if args.SUMMARY_FILE is sys.stdin:
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info("reading from STDIN...")
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(conversations,
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interval,
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duration,
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dns_counts) = traffic.ingest_summaries(args.SUMMARY_FILE,
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dns_mode=args.dns_mode)
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model = traffic.TrafficModel()
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info("learning model")
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if args.dns_mode == 'count':
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model.learn(conversations, dns_counts)
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else:
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model.learn(conversations)
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model.save(args.out)
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sys.exit(main())
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