79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
# Copyright 2014 Rackspace Hosting
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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def initialize(extra_opts=None, pre_logging=None):
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# Initialize localization support (the underscore character).
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import gettext
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gettext.install('trove', unicode=1)
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# Apply whole eventlet.monkey_patch excluding 'thread' module.
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# Decision for 'thread' module patching will be made
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# after debug_utils is set up.
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import eventlet
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eventlet.monkey_patch(all=True, thread=False)
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# Import only the modules necessary to initialize logging and determine if
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# debug_utils are enabled.
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import sys
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from trove.common import cfg
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from trove.common import debug_utils
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from trove.openstack.common import log as logging
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conf = cfg.CONF
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if extra_opts:
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conf.register_cli_opts(extra_opts)
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cfg.parse_args(sys.argv)
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if pre_logging:
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pre_logging(conf)
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logging.setup(None)
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debug_utils.setup()
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# Patch 'thread' module if debug is disabled.
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if not debug_utils.enabled():
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eventlet.monkey_patch(thread=True)
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# rpc module must be loaded after decision about thread monkeypatching
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# because if thread module is not monkeypatched we can't use eventlet
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# executor from oslo.messaging library.
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from trove import rpc
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rpc.init(conf)
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# Initialize Trove database.
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from trove.db import get_db_api
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get_db_api().configure_db(conf)
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return conf # May be used by other scripts
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def with_initialize(main_function=None, **kwargs):
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"""
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Decorates a script main function to make sure that dependency imports and
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initialization happens correctly.
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"""
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def apply(main_function):
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def run():
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conf = initialize(**kwargs)
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return main_function(conf)
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return run
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if main_function:
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return apply(main_function)
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else:
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return apply
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