/
__main__.py
80 lines (66 loc) · 2.13 KB
/
__main__.py
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import argparse
import asyncio
import asyncio.subprocess
import logging
import signal
import sys
import os
from yacron.cron import Cron, ConfigError
import yacron.version
CONFIG_DEFAULT = "/etc/yacron.d"
def main_loop(loop):
parser = argparse.ArgumentParser(prog="yacron")
parser.add_argument(
"-c",
"--config",
default=CONFIG_DEFAULT,
metavar="FILE-OR-DIR",
help="configuration file, or directory containing configuration files",
)
parser.add_argument("-l", "--log-level", default="INFO")
parser.add_argument(
"-v", "--validate-config", default=False, action="store_true"
)
parser.add_argument("--version", default=False, action="store_true")
args = parser.parse_args()
logging.basicConfig(level=getattr(logging, args.log_level))
# logging.getLogger("asyncio").setLevel(logging.WARNING)
logger = logging.getLogger("yacron")
if args.version:
print(yacron.version.version)
sys.exit(0)
if args.config == CONFIG_DEFAULT and not os.path.exists(args.config):
print(
"yacron error: configuration file not found, please provide one "
"with the --config option",
file=sys.stderr,
)
parser.print_help(sys.stderr)
sys.exit(1)
try:
cron = Cron(args.config)
except ConfigError as err:
logger.error("Configuration error: %s", str(err))
sys.exit(1)
if args.validate_config:
logger.info("Configuration is valid.")
sys.exit(0)
loop.add_signal_handler(signal.SIGINT, cron.signal_shutdown)
loop.add_signal_handler(signal.SIGTERM, cron.signal_shutdown)
try:
loop.run_until_complete(cron.run())
finally:
loop.remove_signal_handler(signal.SIGINT)
loop.remove_signal_handler(signal.SIGTERM)
def main(): # pragma: no cover
if sys.platform == "win32":
_loop = asyncio.ProactorEventLoop()
asyncio.set_event_loop(_loop)
else:
_loop = asyncio.get_event_loop()
try:
main_loop(_loop)
finally:
_loop.close()
if __name__ == "__main__": # pragma: no cover
main()