108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Nicira Networks, Inc.
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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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Routines for configuring Quantum
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"""
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import os
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import sys
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from paste import deploy
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from quantum.api.v2 import attributes
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from quantum.openstack.common import cfg
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from quantum.openstack.common import log as logging
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from quantum.version import version_info as quantum_version
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LOG = logging.getLogger(__name__)
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core_opts = [
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cfg.StrOpt('bind_host', default='0.0.0.0'),
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cfg.IntOpt('bind_port', default=9696),
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cfg.StrOpt('api_paste_config', default="api-paste.ini"),
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cfg.StrOpt('api_extensions_path', default=""),
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cfg.StrOpt('policy_file', default="policy.json"),
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cfg.StrOpt('auth_strategy', default='keystone'),
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cfg.StrOpt('core_plugin',
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default='quantum.plugins.sample.SamplePlugin.FakePlugin'),
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cfg.StrOpt('base_mac', default="fa:16:3e:00:00:00"),
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cfg.IntOpt('mac_generation_retries', default=16),
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cfg.BoolOpt('allow_bulk', default=True),
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cfg.IntOpt('max_dns_nameservers', default=5),
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cfg.IntOpt('max_subnet_host_routes', default=20),
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cfg.StrOpt('state_path', default='.'),
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cfg.IntOpt('dhcp_lease_duration', default=120),
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cfg.BoolOpt('allow_overlapping_ips', default=False),
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cfg.StrOpt('control_exchange',
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default='quantum',
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help='AMQP exchange to connect to if using RabbitMQ or Qpid')
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]
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# Register the configuration options
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cfg.CONF.register_opts(core_opts)
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def parse(args):
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cfg.CONF(args=args, project='quantum',
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version='%%prog %s' % quantum_version.version_string_with_vcs())
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# Validate that the base_mac is of the correct format
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msg = attributes._validate_regex(cfg.CONF.base_mac,
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attributes.MAC_PATTERN)
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if msg:
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msg = "Base MAC: %s" % msg
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raise Exception(msg)
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def setup_logging(conf):
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"""
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Sets up the logging options for a log with supplied name
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:param conf: a cfg.ConfOpts object
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"""
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product_name = "quantum"
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logging.setup(product_name)
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log_root = logging.getLogger(product_name).logger
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log_root.propagate = 0
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LOG.info("Logging enabled!")
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def load_paste_app(app_name):
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"""
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Builds and returns a WSGI app from a paste config file.
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:param app_name: Name of the application to load
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:raises RuntimeError when config file cannot be located or application
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cannot be loaded from config file
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"""
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config_path = os.path.abspath(cfg.CONF.find_file(
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cfg.CONF.api_paste_config))
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LOG.info("Config paste file: %s", config_path)
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try:
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app = deploy.loadapp("config:%s" % config_path, name=app_name)
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except (LookupError, ImportError):
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msg = ("Unable to load %(app_name)s from "
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"configuration file %(config_path)s.") % locals()
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LOG.exception(msg)
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raise RuntimeError(msg)
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return app
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