deb-heat/heat/scaling/lbutils.py
Peter Razumovsky a2ec480f3c Fix [H405] pep rule in heat/scaling
Implements bp docstring-improvements

Change-Id: If1b98962ce20f28cefd01ccf7d6f88f7e908d0db
2015-09-21 14:51:45 +03:00

51 lines
1.7 KiB
Python

#
# 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 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(lb.properties.data)
if 'Instances' in lb.properties_schema:
props['Instances'] = id_list
elif 'members' in lb.properties_schema:
props['members'] = id_list
else:
raise exception.Error(
_("Unsupported resource '%s' in LoadBalancerNames") % name)
lb_defn = rsrc_defn.ResourceDefinition(
lb.name,
lb.type(),
properties=props,
metadata=lb.t.metadata(),
deletion_policy=lb.t.deletion_policy())
scheduler.TaskRunner(lb.update, lb_defn)()