nova/nova/api/openstack/compute/server_diagnostics.py

69 lines
2.5 KiB
Python

# 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.
from nova.api.openstack import common
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova import compute
from nova import exception
ALIAS = "os-server-diagnostics"
authorize = extensions.os_compute_authorizer(ALIAS)
class ServerDiagnosticsController(wsgi.Controller):
def __init__(self):
self.compute_api = compute.API(skip_policy_check=True)
@extensions.expected_errors((404, 409, 501))
def index(self, req, server_id):
context = req.environ["nova.context"]
authorize(context)
instance = common.get_instance(self.compute_api, context, server_id)
try:
# NOTE(gmann): To make V21 same as V2 API, this method will call
# 'get_diagnostics' instead of 'get_instance_diagnostics'.
# In future, 'get_instance_diagnostics' needs to be called to
# provide VM diagnostics in a defined format for all driver.
# BP - https://blueprints.launchpad.net/nova/+spec/v3-diagnostics.
return self.compute_api.get_diagnostics(context, instance)
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'get_diagnostics', server_id)
except NotImplementedError:
common.raise_feature_not_supported()
class ServerDiagnostics(extensions.V21APIExtensionBase):
"""Allow Admins to view server diagnostics through server action."""
name = "ServerDiagnostics"
alias = ALIAS
version = 1
def get_resources(self):
parent_def = {'member_name': 'server', 'collection_name': 'servers'}
resources = [
extensions.ResourceExtension('diagnostics',
ServerDiagnosticsController(),
parent=parent_def)]
return resources
def get_controller_extensions(self):
return []