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# Copyright 2011 OpenStack Foundation
# Copyright 2013 Rackspace Hosting
# All Rights Reserved.
#
# 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 troveclient import base
from troveclient import common
class Host(base.Resource):
"""A Hosts is an opaque instance used to store Host instances."""
def __repr__(self):
return "<Host: %s>" % self.name
class Hosts(base.ManagerWithFind):
"""Manage :class:`Host` resources."""
resource_class = Host
def _list(self, url, response_key):
resp, body = self.api.client.get(url)
if not body:
raise Exception("Call to " + url + " did not return a body.")
return [self.resource_class(self, res) for res in body[response_key]]
def _action(self, host_id, body):
"""Perform a host "action" -- update."""
url = "/mgmt/hosts/%s/instances/action" % host_id
resp, body = self.api.client.post(url, body=body)
common.check_for_exceptions(resp, body, url)
def update_all(self, host_id):
"""Update all instances on a host."""
body = {'update': ''}
self._action(host_id, body)
def index(self):
"""Get a list of all hosts.
:rtype: list of :class:`Hosts`.
"""
return self._list("/mgmt/hosts", "hosts")
def get(self, host):
"""Get a specific host.
:rtype: :class:`host`
"""
return self._get("/mgmt/hosts/%s" % self._get_host_name(host), "host")
@staticmethod
def _get_host_name(host):
try:
if host.name:
return host.name
except AttributeError:
return host
# Appease the abc gods
def list(self):
pass
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