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# 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
# 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 copy
from heat.common import exception
from heat.common.i18n import _
from heat.engine import scheduler
def reconfigure_loadbalancers(load_balancers, id_list):
"""Notify the LoadBalancer to reload its config.
This must be done after activation (instance in ACTIVE state), otherwise
the instances' IP addresses may not be available.
for lb in load_balancers:
existing_defn = lb.frozen_definition()
props = copy.copy(,
if 'Instances' in lb.properties_schema:
props['Instances'] = id_list
elif 'members' in lb.properties_schema:
props['members'] = id_list
raise exception.Error(
_("Unsupported resource '%s' in LoadBalancerNames") %
lb_defn = existing_defn.freeze(properties=props)
scheduler.TaskRunner(lb.update, lb_defn)()