121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
# Copyright 2014, Doug Wiegley (dougwig), A10 Networks
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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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from oslo_log import log as logging
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from neutron_lbaas.drivers import driver_base
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LOG = logging.getLogger(__name__)
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class LoggingNoopLoadBalancerDriver(driver_base.LoadBalancerBaseDriver):
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def __init__(self, plugin):
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super(LoggingNoopLoadBalancerDriver, self).__init__(plugin)
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# Each of the major LBaaS objects in the neutron database
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# need a corresponding manager/handler class.
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#
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# Put common things that are shared across the entire driver, like
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# config or a rest client handle, here.
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#
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# This function is executed when neutron-server starts.
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self.load_balancer = LoggingNoopLoadBalancerManager(self)
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self.listener = LoggingNoopListenerManager(self)
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self.pool = LoggingNoopPoolManager(self)
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self.member = LoggingNoopMemberManager(self)
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self.health_monitor = LoggingNoopHealthMonitorManager(self)
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self.l7policy = LoggingNoopL7PolicyManager(self)
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self.l7rule = LoggingNoopL7RuleManager(self)
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class LoggingNoopCommonManager(object):
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@driver_base.driver_op
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def create(self, context, obj):
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LOG.debug("LB %s no-op, create %s", self.__class__.__name__, obj.id)
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@driver_base.driver_op
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def update(self, context, old_obj, obj):
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LOG.debug("LB %s no-op, update %s", self.__class__.__name__, obj.id)
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@driver_base.driver_op
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def delete(self, context, obj):
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LOG.debug("LB %s no-op, delete %s", self.__class__.__name__, obj.id)
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class LoggingNoopLoadBalancerManager(LoggingNoopCommonManager,
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driver_base.BaseLoadBalancerManager):
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@property
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def allows_create_graph(self):
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return True
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@property
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def allocates_vip(self):
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LOG.debug('allocates_vip queried')
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return False
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def create_and_allocate_vip(self, context, obj):
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LOG.debug("LB %s no-op, create_and_allocate_vip %s",
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self.__class__.__name__, obj.id)
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self.create(context, obj)
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@driver_base.driver_op
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def refresh(self, context, obj):
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# This is intended to trigger the backend to check and repair
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# the state of this load balancer and all of its dependent objects
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LOG.debug("LB pool refresh %s", obj.id)
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@driver_base.driver_op
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def stats(self, context, lb_obj):
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LOG.debug("LB stats %s", lb_obj.id)
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return {
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"bytes_in": 0,
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"bytes_out": 0,
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"active_connections": 0,
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"total_connections": 0
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}
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class LoggingNoopListenerManager(LoggingNoopCommonManager,
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driver_base.BaseListenerManager):
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pass
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class LoggingNoopPoolManager(LoggingNoopCommonManager,
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driver_base.BasePoolManager):
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pass
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class LoggingNoopMemberManager(LoggingNoopCommonManager,
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driver_base.BaseMemberManager):
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pass
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class LoggingNoopHealthMonitorManager(LoggingNoopCommonManager,
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driver_base.BaseHealthMonitorManager):
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pass
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class LoggingNoopL7PolicyManager(LoggingNoopCommonManager,
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driver_base.BaseL7PolicyManager):
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pass
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class LoggingNoopL7RuleManager(LoggingNoopCommonManager,
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driver_base.BaseL7RuleManager):
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pass
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