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# Copyright 2012 OpenStack Foundation
# 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.
"""Aggregate interface."""
from novaclient import api_versions
from novaclient import base
class Aggregate(base.Resource):
"""An aggregates is a collection of compute hosts."""
def __repr__(self):
return "<Aggregate: %s>" % self.id
def update(self, values):
"""Update the name and/or availability zone."""
return self.manager.update(self, values)
def add_host(self, host):
return self.manager.add_host(self, host)
def remove_host(self, host):
return self.manager.remove_host(self, host)
def set_metadata(self, metadata):
return self.manager.set_metadata(self, metadata)
def delete(self):
"""
Delete the own aggregate.
:returns: An instance of novaclient.base.TupleWithMeta
"""
return self.manager.delete(self)
@api_versions.wraps("2.81")
def cache_images(self, images):
return self.manager.cache_images(self, images)
class AggregateManager(base.ManagerWithFind):
resource_class = Aggregate
def list(self):
"""Get a list of os-aggregates."""
return self._list('/os-aggregates', 'aggregates')
def create(self, name, availability_zone):
"""Create a new aggregate."""
body = {'aggregate': {'name': name,
'availability_zone': availability_zone}}
return self._create('/os-aggregates', body, 'aggregate')
def get(self, aggregate):
"""Get details of the specified aggregate."""
return self._get('/os-aggregates/%s' % (base.getid(aggregate)),
"aggregate")
# NOTE:(dtroyer): utils.find_resource() uses manager.get() but we need to
# keep the API backward compatible
def get_details(self, aggregate):
"""Get details of the specified aggregate."""
return self.get(aggregate)
def update(self, aggregate, values):
"""Update the name and/or availability zone."""
body = {'aggregate': values}
return self._update("/os-aggregates/%s" % base.getid(aggregate),
body,
"aggregate")
def add_host(self, aggregate, host):
"""Add a host into the Host Aggregate."""
body = {'add_host': {'host': host}}
return self._create("/os-aggregates/%s/action" % base.getid(aggregate),
body, "aggregate")
def remove_host(self, aggregate, host):
"""Remove a host from the Host Aggregate."""
body = {'remove_host': {'host': host}}
return self._create("/os-aggregates/%s/action" % base.getid(aggregate),
body, "aggregate")
def set_metadata(self, aggregate, metadata):
"""Set aggregate metadata, replacing the existing metadata."""
body = {'set_metadata': {'metadata': metadata}}
return self._create("/os-aggregates/%s/action" % base.getid(aggregate),
body, "aggregate")
def delete(self, aggregate):
"""
Delete the specified aggregate.
:param aggregate: The aggregate to delete
:returns: An instance of novaclient.base.TupleWithMeta
"""
return self._delete('/os-aggregates/%s' % (base.getid(aggregate)))
@api_versions.wraps("2.81")
def cache_images(self, aggregate, images):
"""
Request images be cached on a given aggregate.
:param aggregate: The aggregate to target
:param images: A list of image IDs to request caching
:returns: An instance of novaclient.base.TupleWithMeta
"""
body = {
'cache': [{'id': base.getid(image)} for image in images],
}
resp, body = self.api.client.post(
"/os-aggregates/%s/images" % base.getid(aggregate),
body=body)
return self.convert_into_with_meta(body, resp)
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