forked from uncloud/uncloud
78 lines
2.6 KiB
Python
Executable file
78 lines
2.6 KiB
Python
Executable file
#!/usr/bin/env python3
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import logging
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import sys
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import importlib
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import argparse
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from uncloud import UncloudException
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# the components that use etcd
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ETCD_COMPONENTS = ['api', 'scheduler', 'host', 'filescanner', 'imagescanner', 'metadata', 'configure']
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ALL_COMPONENTS = ETCD_COMPONENTS.copy()
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ALL_COMPONENTS.append('cli')
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def exception_hook(exc_type, exc_value, exc_traceback):
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logging.getLogger(__name__).error(
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'Uncaught exception',
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exc_info=(exc_type, exc_value, exc_traceback)
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)
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sys.excepthook = exception_hook
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if __name__ == '__main__':
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# Setting up root logger
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logger = logging.getLogger()
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logger.setLevel(logging.DEBUG)
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arg_parser = argparse.ArgumentParser()
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subparsers = arg_parser.add_subparsers(dest='command')
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parent_parser = argparse.ArgumentParser(add_help=False)
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parent_parser.add_argument('--debug', '-d',
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action='store_true',
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default=False,
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help='More verbose logging')
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parent_parser.add_argument('--conf-dir', '-c',
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help='Configuration directory')
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etcd_parser = argparse.ArgumentParser(add_help=False)
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etcd_parser.add_argument('--etcd-host')
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etcd_parser.add_argument('--etcd-port')
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etcd_parser.add_argument('--etcd-ca-cert', help='CA that signed the etcd certificate')
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etcd_parser.add_argument('--etcd-cert-cert', help='Path to client certificate')
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etcd_parser.add_argument('--etcd-cert-key', help='Path to client certificate key')
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for component in ALL_COMPONENTS:
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mod = importlib.import_module('uncloud.{}.main'.format(component))
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parser = getattr(mod, 'arg_parser')
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if component in ETCD_COMPONENTS:
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subparsers.add_parser(name=parser.prog, parents=[parser, parent_parser, etcd_parser])
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else:
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subparsers.add_parser(name=parser.prog, parents=[parser, parent_parser])
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args = arg_parser.parse_args()
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if not args.command:
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arg_parser.print_help()
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else:
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arguments = vars(args)
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name = arguments.pop('command')
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mod = importlib.import_module('uncloud.{}.main'.format(name))
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main = getattr(mod, 'main')
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# If the component requires etcd3, we import it and catch the
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# etcd3.exceptions.ConnectionFailedError
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if name in ETCD_COMPONENTS:
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import etcd3
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try:
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main(arguments)
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except UncloudException as err:
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logger.error(err)
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sys.exit(1)
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except Exception as err:
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logger.exception(err)
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sys.exit(1)
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