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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
import six
from heat.common import exception
from heat.common import grouputils
from heat.common.i18n import _
from heat.engine import rsrc_defn
from heat.engine import scheduler
def reload_loadbalancers(group, load_balancers, exclude=None):
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.
exclude = exclude or []
id_list = grouputils.get_member_refids(group, exclude=exclude)
for name, lb in six.iteritems(load_balancers):
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") % name)
lb_defn = rsrc_defn.ResourceDefinition(,
scheduler.TaskRunner(lb.update, lb_defn)()