90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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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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"""
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host interface (1.1 extension).
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"""
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from novaclient import base
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class Host(base.Resource):
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def __repr__(self):
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return "<Host: %s>" % self.host
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def _add_details(self, info):
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dico = 'resource' in info and info['resource'] or info
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for (k, v) in dico.items():
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setattr(self, k, v)
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def update(self, values):
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return self.manager.update(self.host, values)
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def startup(self):
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return self.manager.host_action(self.host, 'startup')
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def shutdown(self):
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return self.manager.host_action(self.host, 'shutdown')
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def reboot(self):
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return self.manager.host_action(self.host, 'reboot')
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@property
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def host_name(self):
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return self.host
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@host_name.setter
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def host_name(self, value):
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# A host from hosts.list() has the attribute "host_name" instead of
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# "host." This sets "host" if that's the case. Even though it doesn't
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# exactly mirror the response format, it enables users to work with
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# host objects from list and non-list operations interchangeably.
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self.host = value
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class HostManager(base.ManagerWithFind):
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resource_class = Host
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def get(self, host):
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"""
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Describes cpu/memory/hdd info for host.
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:param host: destination host name.
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"""
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return self._list("/os-hosts/%s" % host, "host")
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def update(self, host, values):
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"""Update status or maintenance mode for the host."""
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return self._update("/os-hosts/%s" % host, values)
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def host_action(self, host, action):
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"""
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Perform an action on a host.
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:param host: The host to perform an action
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:param action: The action to perform
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returns: An instance of novaclient.base.TupleWithMeta
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"""
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url = '/os-hosts/{0}/{1}'.format(host, action)
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resp, body = self.api.client.get(url)
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return base.TupleWithMeta((resp, body), resp)
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def list(self, zone=None):
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url = '/os-hosts'
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if zone:
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url = '/os-hosts?zone=%s' % zone
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return self._list(url, "hosts")
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list_all = list
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