68 lines
3.0 KiB
Python
68 lines
3.0 KiB
Python
# Copyright 2011 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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import webob
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from nova.api.openstack import api_version_request
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from nova.api.openstack import common
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from nova.api.openstack.compute.views import server_diagnostics
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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from nova import compute
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from nova import exception
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from nova.i18n import _
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from nova.policies import server_diagnostics as sd_policies
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class ServerDiagnosticsController(wsgi.Controller):
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_view_builder_class = server_diagnostics.ViewBuilder
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def __init__(self, *args, **kwargs):
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super(ServerDiagnosticsController, self).__init__(*args, **kwargs)
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self.compute_api = compute.API()
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@extensions.expected_errors((400, 404, 409, 501))
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def index(self, req, server_id):
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context = req.environ["nova.context"]
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context.can(sd_policies.BASE_POLICY_NAME)
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instance = common.get_instance(self.compute_api, context, server_id)
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try:
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if api_version_request.is_supported(req, min_version='2.48'):
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diagnostics = self.compute_api.get_instance_diagnostics(
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context, instance)
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return self._view_builder.instance_diagnostics(diagnostics)
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return self.compute_api.get_diagnostics(context, instance)
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except exception.InstanceInvalidState as state_error:
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common.raise_http_conflict_for_instance_invalid_state(state_error,
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'get_diagnostics', server_id)
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except exception.InstanceNotReady as e:
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raise webob.exc.HTTPConflict(explanation=e.format_message())
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except exception.InstanceDiagnosticsNotSupported:
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# NOTE(snikitin): During upgrade we may face situation when env
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# has new API and old compute. New compute returns a
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# Diagnostics object. Old compute returns a dictionary. So we
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# can't perform a request correctly if compute is too old.
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msg = _('Compute node is too old. You must complete the '
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'upgrade process to be able to get a standardized '
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'diagnostics data which is available since v2.48. However '
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'you still able to get a diagnostics data in old format '
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'which is available till v2.47.')
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raise webob.exc.HTTPBadRequest(explanation=msg)
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except NotImplementedError:
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common.raise_feature_not_supported()
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