71 lines
2.5 KiB
Python
71 lines
2.5 KiB
Python
# Copyright (c) 2013 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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from cinder.api import extensions
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from cinder.api.openstack import wsgi
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import cinder.api.views.availability_zones
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from cinder.api import xmlutil
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import cinder.exception
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import cinder.volume.api
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def make_availability_zone(elem):
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elem.set('name', 'zoneName')
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zoneStateElem = xmlutil.SubTemplateElement(elem, 'zoneState',
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selector='zoneState')
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zoneStateElem.set('available')
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class ListTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('availabilityZones')
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elem = xmlutil.SubTemplateElement(root, 'availabilityZone',
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selector='availabilityZoneInfo')
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make_availability_zone(elem)
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alias = Availability_zones.alias
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namespace = Availability_zones.namespace
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return xmlutil.MasterTemplate(root, 1, nsmap={alias: namespace})
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class Controller(wsgi.Controller):
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_view_builder_class = cinder.api.views.availability_zones.ViewBuilder
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def __init__(self, *args, **kwargs):
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super(Controller, self).__init__(*args, **kwargs)
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self.volume_api = cinder.volume.api.API()
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@wsgi.serializers(xml=ListTemplate)
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def index(self, req):
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"""Describe all known availability zones."""
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azs = self.volume_api.list_availability_zones()
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return self._view_builder.list(req, azs)
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class Availability_zones(extensions.ExtensionDescriptor):
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"""Describe Availability Zones."""
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name = 'AvailabilityZones'
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alias = 'os-availability-zone'
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namespace = ('http://docs.openstack.org/volume/ext/'
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'os-availability-zone/api/v1')
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updated = '2013-06-27T00:00:00+00:00'
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def get_resources(self):
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controller = Controller()
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res = extensions.ResourceExtension(Availability_zones.alias,
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controller)
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return [res]
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