15d41af6d7
The current shebang requires /usr/bin/python which is not available in Ubuntu Jammy by default. Change-Id: I3765d2b73843db0137fe79065ab4051e1e52eab3
113 lines
3.4 KiB
Python
Executable File
113 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (C) 2011, 2012 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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from os_ken.lib import hub
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hub.patch(thread=False)
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from os_ken import cfg
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import logging
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from os_ken import log
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log.early_init_log(logging.DEBUG)
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from os_ken import flags
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from os_ken import __version__ as version
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from os_ken.base.app_manager import AppManager
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from os_ken.controller import controller
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from os_ken.topology import switches
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CONF = cfg.CONF
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CONF.register_cli_opts([
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cfg.ListOpt('app-lists', default=[],
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help='application module name to run'),
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cfg.MultiStrOpt('app', positional=True, default=[],
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help='application module name to run'),
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cfg.StrOpt('pid-file', default=None, help='pid file name'),
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cfg.BoolOpt('enable-debugger', default=False,
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help='don\'t overwrite Python standard threading library'
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'(use only for debugging)'),
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cfg.StrOpt('user-flags', default=None,
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help='Additional flags file for user applications'),
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])
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def _parse_user_flags():
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"""
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Parses user-flags file and loads it to register user defined options.
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"""
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try:
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idx = list(sys.argv).index('--user-flags')
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user_flags_file = sys.argv[idx + 1]
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except (ValueError, IndexError):
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user_flags_file = ''
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if user_flags_file and os.path.isfile(user_flags_file):
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from os_ken.utils import _import_module_file
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_import_module_file(user_flags_file)
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def main(args=None, prog=None):
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_parse_user_flags()
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try:
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CONF(args=args, prog=prog,
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project='os_ken', version='osken-manager %s' % version,
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default_config_files=['/usr/local/etc/os_ken/os_ken.conf'])
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except cfg.ConfigFilesNotFoundError:
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CONF(args=args, prog=prog,
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project='os_ken', version='osken-manager %s' % version)
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log.init_log()
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logger = logging.getLogger(__name__)
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if CONF.enable_debugger:
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msg = 'debugging is available (--enable-debugger option is turned on)'
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logger.info(msg)
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else:
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hub.patch(thread=True)
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if CONF.pid_file:
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with open(CONF.pid_file, 'w') as pid_file:
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pid_file.write(str(os.getpid()))
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app_lists = CONF.app_lists + CONF.app
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# keep old behavior, run ofp if no application is specified.
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if not app_lists:
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app_lists = ['os_ken.controller.ofp_handler']
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app_mgr = AppManager.get_instance()
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app_mgr.load_apps(app_lists)
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contexts = app_mgr.create_contexts()
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services = []
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services.extend(app_mgr.instantiate_apps(**contexts))
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try:
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hub.joinall(services)
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except KeyboardInterrupt:
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logger.debug("Keyboard Interrupt received. "
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"Closing OSKen application manager...")
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finally:
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app_mgr.close()
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if __name__ == "__main__":
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main()
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