71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import functools
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import operator
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from kolla_mesos import mesos
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class MesosClient(object):
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"""Decorator and contextmanager for connecting with Mesos."""
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def __enter__(self):
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self.mesos_client = mesos.Client()
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return self.mesos_client
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def __exit__(self, *args, **kwargs):
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pass
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def __call__(self, f):
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@functools.wraps(f)
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def wrapper(*args, **kwargs):
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with self as mesos_client:
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return f(mesos_client, *args, **kwargs)
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return wrapper
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@MesosClient()
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def get_number_of_nodes(mesos_client):
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slaves = mesos_client.get_slaves()
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controller_nodes = 0
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compute_nodes = 0
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storage_nodes = 0
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for slave in slaves:
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if 'openstack_role' not in slave['attributes']:
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continue
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openstack_role = slave['attributes']['openstack_role']
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if openstack_role == 'controller':
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controller_nodes += 1
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elif openstack_role == 'compute':
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compute_nodes += 1
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elif openstack_role == 'storage':
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storage_nodes += 1
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all_nodes = controller_nodes + compute_nodes + storage_nodes
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return controller_nodes, compute_nodes, storage_nodes, all_nodes
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@MesosClient()
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def get_marathon(mesos_client):
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frameworks = mesos_client.get_frameworks()
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frameworks_names = map(operator.itemgetter('name'), frameworks)
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marathon_framework = None
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for framework_name in frameworks_names:
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if "marathon" in framework_name:
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marathon_framework = framework_name
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break
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return marathon_framework
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