forked from uncloud/uncloud
89 lines
3.5 KiB
Python
Executable file
89 lines
3.5 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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import os
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from etcd3.exceptions import ConnectionFailedError
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from uncloud.common import settings
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from uncloud import UncloudException
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from uncloud.common.cli import resolve_otp_credentials
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# Components that use etcd
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ETCD_COMPONENTS = ['api', 'scheduler', 'host', 'filescanner',
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'imagescanner', 'metadata', 'configure', 'hack']
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ALL_COMPONENTS = ETCD_COMPONENTS.copy()
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ALL_COMPONENTS.append('oneshot')
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#ALL_COMPONENTS.append('cli')
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if __name__ == '__main__':
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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', action='store_true', default=False,
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help='More verbose logging')
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parent_parser.add_argument('--conf-dir', '-c', help='Configuration directory',
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default=os.path.expanduser('~/uncloud'))
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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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arguments = vars(arg_parser.parse_args())
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etcd_arguments = [key for key, value in arguments.items() if key.startswith('etcd_') and value]
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etcd_arguments = {
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'etcd': {
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key.replace('etcd_', ''): arguments[key]
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for key in etcd_arguments
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}
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}
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if not arguments['command']:
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arg_parser.print_help()
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else:
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# Initializing Settings and resolving otp_credentials
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# It is neccessary to resolve_otp_credentials after argument parsing is done because
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# previously we were reading config file which was fixed to ~/uncloud/uncloud.conf and
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# providing the default values for --name, --realm and --seed arguments from the values
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# we read from file. But, now we are asking user about where the config file lives. So,
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# to providing default value is not possible before parsing arguments. So, we are doing
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# it after..
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# settings.settings = settings.Settings(arguments['conf_dir'], seed_value=etcd_arguments)
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# resolve_otp_credentials(arguments)
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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 arguments['debug']:
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logging.basicConfig(level=logging.DEBUG)
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else:
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logging.basicConfig(level=logging.INFO)
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log = logging.getLogger()
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try:
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main(arguments)
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except UncloudException as err:
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log.error(err)
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sys.exit(1)
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# except ConnectionFailedError as err:
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# log.error('Cannot connect to etcd: {}'.format(err))
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except Exception as err:
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log.exception(err)
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