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# Copyright 2011 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.
import webob.exc
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova.api.openstack import xmlutil
from nova import compute
from nova import exception
authorize = extensions.extension_authorizer('compute', 'server_diagnostics')
sd_nsmap = {None: wsgi.XMLNS_V11}
class ServerDiagnosticsTemplate(xmlutil.TemplateBuilder):
def construct(self):
root = xmlutil.TemplateElement('diagnostics')
elem = xmlutil.SubTemplateElement(root, xmlutil.Selector(0),
selector=xmlutil.get_items)
elem.text = 1
return xmlutil.MasterTemplate(root, 1, nsmap=sd_nsmap)
class ServerDiagnosticsController(object):
@wsgi.serializers(xml=ServerDiagnosticsTemplate)
def index(self, req, server_id):
context = req.environ["nova.context"]
authorize(context)
compute_api = compute.API()
try:
instance = compute_api.get(context, server_id)
except exception.NotFound():
raise webob.exc.HTTPNotFound(_("Instance not found"))
return compute_api.get_diagnostics(context, instance)
class Server_diagnostics(extensions.ExtensionDescriptor):
"""Allow Admins to view server diagnostics through server action."""
name = "ServerDiagnostics"
alias = "os-server-diagnostics"
namespace = ("http://docs.openstack.org/compute/ext/"
"server-diagnostics/api/v1.1")
updated = "2011-12-21T00:00:00+00:00"
def get_resources(self):
parent_def = {'member_name': 'server', 'collection_name': 'servers'}
#NOTE(bcwaldon): This should be prefixed with 'os-'
ext = extensions.ResourceExtension('diagnostics',
ServerDiagnosticsController(),
parent=parent_def)
return [ext]
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