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#
# -------------------------------------------------------------------------
# Copyright (c) 2015-2017 AT&T Intellectual Property
#
# 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 cotyledon
from oslo_config import cfg
from oslo_log import log
from conductor.common.models import plan
from conductor.common.music import api
from conductor.common.music import messaging as music_messaging
from conductor.common.music.model import base
from conductor.controller import rpc
from conductor.controller import translator_svc
from conductor import messaging
from conductor import service
LOG = log.getLogger(__name__)
CONF = cfg.CONF
CONTROLLER_OPTS = [
cfg.IntOpt('timeout',
default=10,
min=1,
help='Timeout for planning requests. '
'Default value is 10.'),
cfg.IntOpt('limit',
default=1,
min=1,
help='Maximum number of result sets to return. '
'Default value is 1.'),
cfg.IntOpt('workers',
default=1,
min=1,
help='Number of workers for controller service. '
'Default value is 1.'),
cfg.BoolOpt('concurrent',
default=False,
help='Set to True when controller will run in active-active '
'mode. When set to False, controller will flush any '
'abandoned messages at startup. The controller always '
'restarts abandoned template translations at startup.'),
]
CONF.register_opts(CONTROLLER_OPTS, group='controller')
# Pull in service opts. We use them here.
OPTS = service.OPTS
CONF.register_opts(OPTS)
class ControllerServiceLauncher(object):
"""Launcher for the controller service."""
def __init__(self, conf):
self.conf = conf
# Set up Music access.
self.music = api.API()
self.music.keyspace_create(keyspace=conf.keyspace)
# Dynamically create a plan class for the specified keyspace
self.Plan = base.create_dynamic_model(
keyspace=conf.keyspace, baseclass=plan.Plan, classname="Plan")
if not self.Plan:
raise
def run(self):
transport = messaging.get_transport(self.conf)
if transport:
topic = "controller"
target = music_messaging.Target(topic=topic)
endpoints = [rpc.ControllerRPCEndpoint(self.conf, self.Plan), ]
flush = not self.conf.controller.concurrent
kwargs = {'transport': transport,
'target': target,
'endpoints': endpoints,
'flush': flush, }
svcmgr = cotyledon.ServiceManager()
svcmgr.add(music_messaging.RPCService,
workers=self.conf.controller.workers,
args=(self.conf,), kwargs=kwargs)
kwargs = {'plan_class': self.Plan, }
svcmgr.add(translator_svc.TranslatorService,
workers=self.conf.controller.workers,
args=(self.conf,), kwargs=kwargs)
svcmgr.run()
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