uncloud/scripts/ucloud
2019-12-24 15:27:21 +05:00

78 lines
2.4 KiB
Python
Executable file

#!/usr/bin/env python3
import argparse
import logging
import importlib
import multiprocessing as mp
import sys
from logging.handlers import SysLogHandler
from ucloud.configure.main import configure_parser
from ucloud.common.logging import NoTracebackStreamHandler
def exception_hook(exc_type, exc_value, exc_traceback):
logger = logging.getLogger(__name__)
logger.error(
'Uncaught exception',
exc_info=(exc_type, exc_value, exc_traceback)
)
sys.excepthook = exception_hook
if __name__ == '__main__':
arg_parser = argparse.ArgumentParser()
subparsers = arg_parser.add_subparsers(dest="command")
api_parser = subparsers.add_parser("api")
host_parser = subparsers.add_parser("host")
host_parser.add_argument("--hostname", required=True)
scheduler_parser = subparsers.add_parser("scheduler")
filescanner_parser = subparsers.add_parser("filescanner")
imagescanner_parser = subparsers.add_parser("imagescanner")
metadata_parser = subparsers.add_parser("metadata")
config_parser = subparsers.add_parser("configure")
configure_parser(config_parser)
args = arg_parser.parse_args()
if not args.command:
arg_parser.print_help()
else:
# Setting up root logger
logger = logging.getLogger('ucloud')
syslog_handler = SysLogHandler(address='/dev/log')
syslog_handler.setLevel(logging.DEBUG)
syslog_formatter = logging.Formatter('%(pathname)s:%(lineno)d -- %(levelname)-8s %(message)s')
syslog_handler.setFormatter(syslog_formatter)
stream_handler = NoTracebackStreamHandler()
stream_handler.setLevel(logging.WARNING)
stream_formatter = logging.Formatter('%(message)s')
stream_handler.setFormatter(stream_formatter)
logger.addHandler(syslog_handler)
logger.addHandler(stream_handler)
# if we start etcd in seperate process with default settings
# i.e inheriting few things from parent process etcd3 module
# errors out, so the following command configure multiprocessing
# module to not inherit anything from parent.
mp.set_start_method('spawn')
arguments = vars(args)
try:
name = arguments.pop('command')
mod = importlib.import_module("ucloud.{}.main".format(name))
main = getattr(mod, "main")
main(**arguments)
except Exception as err:
logger.exception(err)