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#!/usr/bin/env python
# -*- encoding: utf-8 -*-
#
# Copyright © 2012-2014 eNovance <licensing@enovance.com>
#
# Author: Julien Danjou <julien@danjou.info>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import os
import socket
import sys
from oslo.config import cfg
from stevedore import named
from ceilometer.openstack.common import gettextutils
from ceilometer.openstack.common.gettextutils import _ # noqa
from ceilometer.openstack.common import log
from ceilometer.openstack.common import rpc
from ceilometer import utils
OPTS = [
cfg.StrOpt('host',
default=socket.gethostname(),
help='Name of this node, which must be valid in an AMQP '
'key. Can be an opaque identifier. For ZeroMQ only, must '
'be a valid host name, FQDN, or IP address.'),
cfg.MultiStrOpt('dispatcher',
deprecated_group="collector",
default=['database'],
help='Dispatcher to process data.'),
cfg.IntOpt('collector_workers',
default=1,
help='Number of workers for collector service. A single '
'collector is enabled by default.'),
cfg.IntOpt('notification_workers',
default=1,
help='Number of workers for notification service. A single '
'notification agent is enabled by default.'),
]
cfg.CONF.register_opts(OPTS)
CLI_OPTIONS = [
cfg.StrOpt('os-username',
deprecated_group="DEFAULT",
default=os.environ.get('OS_USERNAME', 'ceilometer'),
help='User name to use for OpenStack service access.'),
cfg.StrOpt('os-password',
deprecated_group="DEFAULT",
secret=True,
default=os.environ.get('OS_PASSWORD', 'admin'),
help='Password to use for OpenStack service access.'),
cfg.StrOpt('os-tenant-id',
deprecated_group="DEFAULT",
default=os.environ.get('OS_TENANT_ID', ''),
help='Tenant ID to use for OpenStack service access.'),
cfg.StrOpt('os-tenant-name',
deprecated_group="DEFAULT",
default=os.environ.get('OS_TENANT_NAME', 'admin'),
help='Tenant name to use for OpenStack service access.'),
cfg.StrOpt('os-cacert',
default=os.environ.get('OS_CACERT'),
help='Certificate chain for SSL validation.'),
cfg.StrOpt('os-auth-url',
deprecated_group="DEFAULT",
default=os.environ.get('OS_AUTH_URL',
'http://localhost:5000/v2.0'),
help='Auth URL to use for OpenStack service access.'),
cfg.StrOpt('os-region-name',
deprecated_group="DEFAULT",
default=os.environ.get('OS_REGION_NAME'),
help='Region name to use for OpenStack service endpoints.'),
cfg.StrOpt('os-endpoint-type',
default=os.environ.get('OS_ENDPOINT_TYPE', 'publicURL'),
help='Type of endpoint in Identity service catalog to use for '
'communication with OpenStack services.'),
cfg.BoolOpt('insecure',
default=False,
help='Disables X.509 certificate validation when an '
'SSL connection to Identity Service is established.'),
]
cfg.CONF.register_cli_opts(CLI_OPTIONS, group="service_credentials")
LOG = log.getLogger(__name__)
class WorkerException(Exception):
"""Exception for errors relating to service workers
"""
class DispatchedService(object):
DISPATCHER_NAMESPACE = 'ceilometer.dispatcher'
def start(self):
LOG.debug(_('loading dispatchers from %s'),
self.DISPATCHER_NAMESPACE)
self.dispatcher_manager = named.NamedExtensionManager(
namespace=self.DISPATCHER_NAMESPACE,
names=cfg.CONF.dispatcher,
invoke_on_load=True,
invoke_args=[cfg.CONF])
if not list(self.dispatcher_manager):
LOG.warning(_('Failed to load any dispatchers for %s'),
self.DISPATCHER_NAMESPACE)
# ensure dispatcher is configured before starting other services
super(DispatchedService, self).start()
def get_workers(name):
workers = (cfg.CONF.get('%s_workers' % name) or
utils.cpu_count())
if workers and workers < 1:
msg = (_("%(worker_name)s value of %(workers)s is invalid, "
"must be greater than 0") %
{'worker_name': '%s_workers' % name, 'workers': str(workers)})
raise WorkerException(msg)
return workers
def prepare_service(argv=None):
gettextutils.install('ceilometer', lazy=True)
gettextutils.enable_lazy()
rpc.set_defaults(control_exchange='ceilometer')
cfg.set_defaults(log.log_opts,
default_log_levels=['amqplib=WARN',
'qpid.messaging=INFO',
'sqlalchemy=WARN',
'keystoneclient=INFO',
'stevedore=INFO',
'eventlet.wsgi.server=WARN',
'iso8601=WARN'
])
if argv is None:
argv = sys.argv
cfg.CONF(argv[1:], project='ceilometer')
log.setup('ceilometer')
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