84 lines
3.2 KiB
Python
84 lines
3.2 KiB
Python
# Copyright 2012 OpenStack Foundation
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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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from cinder.api import xmlutil
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authorize = extensions.soft_extension_authorizer('volume',
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'volume_tenant_attribute')
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class VolumeTenantAttributeController(wsgi.Controller):
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def _add_volume_tenant_attribute(self, req, resp_volume):
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db_volume = req.get_db_volume(resp_volume['id'])
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key = "%s:tenant_id" % Volume_tenant_attribute.alias
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resp_volume[key] = db_volume['project_id']
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@wsgi.extends
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def show(self, req, resp_obj, id):
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context = req.environ['cinder.context']
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if authorize(context):
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resp_obj.attach(xml=VolumeTenantAttributeTemplate())
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volume = resp_obj.obj['volume']
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self._add_volume_tenant_attribute(req, volume)
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@wsgi.extends
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def detail(self, req, resp_obj):
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context = req.environ['cinder.context']
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if authorize(context):
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resp_obj.attach(xml=VolumeListTenantAttributeTemplate())
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for vol in list(resp_obj.obj['volumes']):
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self._add_volume_tenant_attribute(req, vol)
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class Volume_tenant_attribute(extensions.ExtensionDescriptor):
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"""Expose the internal project_id as an attribute of a volume."""
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name = "VolumeTenantAttribute"
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alias = "os-vol-tenant-attr"
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namespace = ("http://docs.openstack.org/volume/ext/"
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"volume_tenant_attribute/api/v2")
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updated = "2011-11-03T00:00:00+00:00"
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def get_controller_extensions(self):
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controller = VolumeTenantAttributeController()
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extension = extensions.ControllerExtension(self, 'volumes', controller)
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return [extension]
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def make_volume(elem):
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elem.set('{%s}tenant_id' % Volume_tenant_attribute.namespace,
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'%s:tenant_id' % Volume_tenant_attribute.alias)
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class VolumeTenantAttributeTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('volume', selector='volume')
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make_volume(root)
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alias = Volume_tenant_attribute.alias
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namespace = Volume_tenant_attribute.namespace
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return xmlutil.SlaveTemplate(root, 1, nsmap={alias: namespace})
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class VolumeListTenantAttributeTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('volumes')
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elem = xmlutil.SubTemplateElement(root, 'volume', selector='volumes')
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make_volume(elem)
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alias = Volume_tenant_attribute.alias
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namespace = Volume_tenant_attribute.namespace
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return xmlutil.SlaveTemplate(root, 1, nsmap={alias: namespace})
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