79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
# Copyright (c) 2011 OpenStack, LLC.
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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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from reddwarfclient import base
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from reddwarfclient.common import check_for_exceptions
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class Host(base.Resource):
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"""
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A Hosts is an opaque instance used to store Host instances.
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"""
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def __repr__(self):
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return "<Host: %s>" % self.name
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class Hosts(base.ManagerWithFind):
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"""
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Manage :class:`Host` resources.
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"""
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resource_class = Host
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def _list(self, url, response_key):
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resp, body = self.api.client.get(url)
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if not body:
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raise Exception("Call to " + url + " did not return a body.")
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return [self.resource_class(self, res) for res in body[response_key]]
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def _action(self, host_id, body):
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"""
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Perform a host "action" -- update
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"""
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url = "/mgmt/hosts/%s/instances/action" % host_id
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resp, body = self.api.client.post(url, body=body)
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check_for_exceptions(resp, body)
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def update_all(self, host_id):
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"""
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Update all instances on a host.
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"""
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body = {'update': ''}
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self._action(host_id, body)
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def index(self):
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"""
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Get a list of all hosts.
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:rtype: list of :class:`Hosts`.
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"""
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return self._list("/mgmt/hosts", "hosts")
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def get(self, host):
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"""
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Get a specific host.
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:rtype: :class:`host`
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"""
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return self._get("/mgmt/hosts/%s" % self._get_host_name(host), "host")
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@staticmethod
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def _get_host_name(host):
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try:
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if host.name:
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return host.name
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except AttributeError:
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return host
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