99 lines
3.7 KiB
Python
99 lines
3.7 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2015 b<>com
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# 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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from concurrent.futures import ThreadPoolExecutor
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from oslo_config import cfg
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from watcher.applier.framework.messaging.trigger_action_plan import \
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TriggerActionPlan
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from watcher.common.messaging.messaging_core import MessagingCore
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from watcher.common.messaging.notification_handler import NotificationHandler
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from watcher.decision_engine.framework.messaging.events import Events
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from watcher.openstack.common import log
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CONF = cfg.CONF
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LOG = log.getLogger(__name__)
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# Register options
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APPLIER_MANAGER_OPTS = [
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cfg.IntOpt('applier_worker', default='1', help='The number of worker'),
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cfg.StrOpt('topic_control',
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default='watcher.applier.control',
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help='The topic name used for'
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'control events, this topic '
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'used for rpc call '),
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cfg.StrOpt('topic_status',
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default='watcher.applier.status',
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help='The topic name used for '
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'status events, this topic '
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'is used so as to notify'
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'the others components '
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'of the system'),
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cfg.StrOpt('publisher_id',
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default='watcher.applier.api',
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help='The identifier used by watcher '
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'module on the message broker')
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]
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CONF = cfg.CONF
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opt_group = cfg.OptGroup(name='watcher_applier',
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title='Options for the Applier messaging'
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'core')
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CONF.register_group(opt_group)
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CONF.register_opts(APPLIER_MANAGER_OPTS, opt_group)
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CONF.import_opt('admin_user', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('admin_tenant_name', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('admin_password', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('auth_uri', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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class ApplierManager(MessagingCore):
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API_VERSION = '1.0'
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# todo(jed) need workflow
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def __init__(self):
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MessagingCore.__init__(self, CONF.watcher_applier.publisher_id,
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CONF.watcher_applier.topic_control,
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CONF.watcher_applier.topic_status)
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# shared executor of the workflow
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self.executor = ThreadPoolExecutor(max_workers=1)
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self.handler = NotificationHandler(self.publisher_id)
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self.handler.register_observer(self)
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self.add_event_listener(Events.ALL, self.event_receive)
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# trigger action_plan
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self.topic_control.add_endpoint(TriggerActionPlan(self))
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def join(self):
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self.topic_control.join()
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self.topic_status.join()
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def event_receive(self, event):
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try:
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request_id = event.get_request_id()
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event_type = event.get_type()
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data = event.get_data()
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LOG.debug("request id => %s" % request_id)
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LOG.debug("type_event => %s" % str(event_type))
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LOG.debug("data => %s" % str(data))
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except Exception as e:
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LOG.error("evt %s" % e.message)
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raise e
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