142 lines
5.4 KiB
Python
142 lines
5.4 KiB
Python
#
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# Copyright (c) 2014 EUROGICIEL
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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.
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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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#
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import os
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import socket
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from oslo.config import cfg
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from stevedore import named
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from cerberus.common import config
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from cerberus.openstack.common.gettextutils import _ # noqa
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from cerberus.openstack.common import log
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from cerberus import utils
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OPTS = [
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cfg.StrOpt('host',
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default=socket.gethostname(),
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help='Name of this node, which must be valid in an AMQP '
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'key. Can be an opaque identifier. For ZeroMQ only, must '
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'be a valid host name, FQDN, or IP address.'),
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cfg.MultiStrOpt('dispatcher',
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deprecated_group="collector",
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default=['database'],
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help='Dispatcher to process data.'),
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cfg.IntOpt('collector_workers',
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default=1,
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help='Number of workers for collector service. A single '
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'collector is enabled by default.'),
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cfg.IntOpt('notification_workers',
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default=1,
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help='Number of workers for notification service. A single '
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'notification agent is enabled by default.'),
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]
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cfg.CONF.register_opts(OPTS)
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CLI_OPTIONS = [
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cfg.StrOpt('os-username',
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deprecated_group="DEFAULT",
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default=os.environ.get('OS_USERNAME', 'cerberus'),
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help='User name to use for OpenStack service access.'),
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cfg.StrOpt('os-password',
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deprecated_group="DEFAULT",
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secret=True,
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default=os.environ.get('OS_PASSWORD', 'admin'),
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help='Password to use for OpenStack service access.'),
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cfg.StrOpt('os-tenant-id',
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deprecated_group="DEFAULT",
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default=os.environ.get('OS_TENANT_ID', ''),
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help='Tenant ID to use for OpenStack service access.'),
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cfg.StrOpt('os-tenant-name',
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deprecated_group="DEFAULT",
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default=os.environ.get('OS_TENANT_NAME', 'admin'),
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help='Tenant name to use for OpenStack service access.'),
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cfg.StrOpt('os-cacert',
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default=os.environ.get('OS_CACERT'),
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help='Certificate chain for SSL validation.'),
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cfg.StrOpt('os-auth-url',
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deprecated_group="DEFAULT",
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default=os.environ.get('OS_AUTH_URL',
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'http://localhost:5000/v2.0'),
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help='Auth URL to use for OpenStack service access.'),
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cfg.StrOpt('os-region-name',
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deprecated_group="DEFAULT",
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default=os.environ.get('OS_REGION_NAME'),
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help='Region name to use for OpenStack service endpoints.'),
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cfg.StrOpt('os-endpoint-type',
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default=os.environ.get('OS_ENDPOINT_TYPE', 'publicURL'),
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help='Type of endpoint in Identity service catalog to use for '
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'communication with OpenStack services.'),
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cfg.BoolOpt('insecure',
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default=False,
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help='Disables X.509 certificate validation when an '
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'SSL connection to Identity Service is established.'),
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]
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cfg.CONF.register_opts(CLI_OPTIONS, group="service_credentials")
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LOG = log.getLogger(__name__)
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class WorkerException(Exception):
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"""Exception for errors relating to service workers
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"""
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class DispatchedService(object):
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DISPATCHER_NAMESPACE = 'cerberus.dispatcher'
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def start(self):
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super(DispatchedService, self).start()
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LOG.debug(_('loading dispatchers from %s'),
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self.DISPATCHER_NAMESPACE)
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self.dispatcher_manager = named.NamedExtensionManager(
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namespace=self.DISPATCHER_NAMESPACE,
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names=cfg.CONF.dispatcher,
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invoke_on_load=True,
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invoke_args=[cfg.CONF])
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if not list(self.dispatcher_manager):
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LOG.warning(_('Failed to load any dispatchers for %s'),
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self.DISPATCHER_NAMESPACE)
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def get_workers(name):
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workers = (cfg.CONF.get('%s_workers' % name) or
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utils.cpu_count())
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if workers and workers < 1:
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msg = (_("%(worker_name)s value of %(workers)s is invalid, "
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"must be greater than 0") %
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{'worker_name': '%s_workers' % name, 'workers': str(workers)})
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raise WorkerException(msg)
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return workers
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def prepare_service(argv=[]):
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config.parse_args(argv)
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cfg.set_defaults(log.log_opts,
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default_log_levels=['amqplib=WARN',
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'qpid.messaging=INFO',
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'sqlalchemy=WARN',
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'keystoneclient=INFO',
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'stevedore=INFO',
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'eventlet.wsgi.server=WARN',
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'iso8601=WARN',
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'paramiko=WARN',
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])
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log.setup('cerberus')
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