53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
# Copyright 2016 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Handle communication with Nova."""
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from novaclient import client
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from novaclient import exceptions
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from oslo_config import cfg
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from oslo_log import log as logging
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from novajoin import keystone_client
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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NOVA_APIVERSION = 2.1
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class NovaClient(object):
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"""Wrapper around nova client."""
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def __init__(self):
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self.version = NOVA_APIVERSION
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self.client = self._nova_client()
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def _nova_client(self):
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"""Instantiate a new novaclient.Client object."""
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session = keystone_client.get_session()
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return client.Client(str(self.version), session=session)
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def get_instance(instance_id):
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client = NovaClient()
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try:
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return client.client.servers.get(instance_id)
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except exceptions.NotFound:
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return None
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