70 lines
2 KiB
Python
70 lines
2 KiB
Python
# ***** BEGIN LICENSE BLOCK *****
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
# You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
# ***** END LICENSE BLOCK *****
|
|
import logging
|
|
from subprocess import check_call, CalledProcessError
|
|
import sys
|
|
|
|
from redo import retrying
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def main(argv):
|
|
from argparse import ArgumentParser, REMAINDER
|
|
|
|
parser = ArgumentParser()
|
|
parser.add_argument(
|
|
"-a", "--attempts", type=int, default=5, help="How many times to retry."
|
|
)
|
|
parser.add_argument(
|
|
"-s",
|
|
"--sleeptime",
|
|
type=int,
|
|
default=60,
|
|
help="How long to sleep between attempts. Sleeptime doubles after each attempt.",
|
|
)
|
|
parser.add_argument(
|
|
"-m",
|
|
"--max-sleeptime",
|
|
type=int,
|
|
default=5 * 60,
|
|
help="Maximum length of time to sleep between attempts (limits backoff length).",
|
|
)
|
|
parser.add_argument("-v", "--verbose", action="store_true", default=False)
|
|
parser.add_argument(
|
|
"cmd", nargs=REMAINDER, help="Command to run. Eg: wget http://blah"
|
|
)
|
|
|
|
args = parser.parse_args(argv[1:])
|
|
|
|
if args.verbose:
|
|
logging.basicConfig(level=logging.INFO)
|
|
logging.getLogger("retry").setLevel(logging.INFO)
|
|
else:
|
|
logging.basicConfig(level=logging.ERROR)
|
|
logging.getLogger("retry").setLevel(logging.ERROR)
|
|
|
|
try:
|
|
with retrying(
|
|
check_call,
|
|
attempts=args.attempts,
|
|
sleeptime=args.sleeptime,
|
|
max_sleeptime=args.max_sleeptime,
|
|
retry_exceptions=(CalledProcessError,),
|
|
) as r_check_call:
|
|
r_check_call(args.cmd)
|
|
except KeyboardInterrupt:
|
|
sys.exit(-1)
|
|
except Exception as e:
|
|
log.error(
|
|
"Unable to run command after %d attempts" % args.attempts, exc_info=True
|
|
)
|
|
rc = getattr(e, "returncode", -2)
|
|
sys.exit(rc)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main(sys.argv)
|