86 lines
2.6 KiB
Python
Executable File
86 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2013 OpenStack Foundation
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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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"""
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Reference implementation server for Daisy orchestration
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"""
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import os
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import sys
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import eventlet
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from oslo_config import cfg
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from oslo_log import log as logging
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from daisy.common import exception
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from daisy.common import config
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from oslo_service import loopingcall
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import six
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import ConfigParser
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from oslo_utils import importutils
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import daisy.api.backends.common as daisy_cmn
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# Monkey patch socket and time
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eventlet.patcher.monkey_patch(all=False, socket=True, time=True, thread=True)
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# If ../glance/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(possible_topdir, 'daisy', '__init__.py')):
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sys.path.insert(0, possible_topdir)
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CONF = cfg.CONF
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scale_opts = [
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cfg.StrOpt('auto_scale_interval', default=60,
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help='Number of seconds between two '
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'checkings to compute auto scale status'),
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]
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CONF.register_opts(scale_opts, group='orchestration')
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logging.register_options(CONF)
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def fail(returncode, e):
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sys.stderr.write("ERROR: %s\n" % six.text_type(e))
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def get_backend():
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config = ConfigParser.ConfigParser()
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config.read(daisy_cmn.daisy_conf_file)
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backend = config.get("BACKEND", "default_backend_types")
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return backend
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def main():
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try:
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config.parse_args()
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logging.setup(CONF, 'daisy')
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backend = get_backend()
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manager = "daisy.orchestration.%s.install" % backend
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api = importutils.import_module(manager)
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timer = loopingcall.FixedIntervalLoopingCall(
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api.find_auto_scale_cluster)
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timer.start(float(CONF.orchestration.auto_scale_interval)).wait()
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except exception.WorkerCreationFailure as e:
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fail(2, e)
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except RuntimeError as e:
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fail(1, e)
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if __name__ == '__main__':
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main()
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