Container Infrastructure Management Service for OpenStack
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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
#
# 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.
from magnum.conductor import k8s_api as k8s
from magnum.conductor.scale_manager import ScaleManager
class K8sScaleManager(ScaleManager):
def __init__(self, context, osclient, cluster):
super(K8sScaleManager, self).__init__(context, osclient, cluster)
def _get_hosts_with_container(self, context, cluster):
k8s_api = k8s.create_k8s_api(self.context, cluster)
hosts = set()
for pod in k8s_api.list_namespaced_pod(namespace='default').items:
hosts.add(pod.spec.node_name)
return hosts