8372f48b7a
Change-Id: Ibd4c9811daa6e9e692457ce480a58c964fef7cb9 Signed-off-by: Julien Danjou <julien@danjou.info>
78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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# Copyright 2013 IBM Corp.
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# Copyright 2013 eNovance <licensing@enovance.com>
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# Copyright Ericsson AB 2013. All rights reserved
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# Copyright 2014 Hewlett-Packard Company
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# Copyright 2015 Huawei Technologies Co., Ltd.
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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 pecan
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from pecan import rest
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from wsme import types as wtypes
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import wsmeext.pecan as wsme_pecan
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from aodh.api.controllers.v2 import base
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from aodh import utils
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def _flatten_capabilities(capabilities):
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return dict((k, v) for k, v in utils.recursive_keypairs(capabilities))
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class Capabilities(base.Base):
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"""A representation of the API and storage capabilities.
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Usually constrained by restrictions imposed by the storage driver.
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"""
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api = {wtypes.text: bool}
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"A flattened dictionary of API capabilities"
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alarm_storage = {wtypes.text: bool}
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"A flattened dictionary of alarm storage capabilities"
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@classmethod
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def sample(cls):
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return cls(
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api=_flatten_capabilities({
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'alarms': {'query': {'simple': True,
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'complex': True},
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'history': {'query': {'simple': True,
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'complex': True}}},
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}),
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alarm_storage=_flatten_capabilities(
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{'storage': {'production_ready': True}}),
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)
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class CapabilitiesController(rest.RestController):
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"""Manages capabilities queries."""
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@wsme_pecan.wsexpose(Capabilities)
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def get(self):
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"""Returns a flattened dictionary of API capabilities.
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Capabilities supported by the currently configured storage driver.
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"""
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# variation in API capabilities is effectively determined by
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# the lack of strict feature parity across storage drivers
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alarm_conn = pecan.request.alarm_storage_conn
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driver_capabilities = {
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'alarms': alarm_conn.get_capabilities()['alarms'],
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}
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alarm_driver_perf = alarm_conn.get_storage_capabilities()
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return Capabilities(api=_flatten_capabilities(driver_capabilities),
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alarm_storage=_flatten_capabilities(
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alarm_driver_perf))
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