deb-ceilometer/ceilometer/api/controllers/v2/capabilities.py
Julien Danjou 6bc86f75ea Remove alarming code
Since we moved all the alarming code and subsystem to the Aodh project,
remove it from Ceilometer.

Depends-On: I3983128d2d964b0f1f3326948b27f5d94df65a04
Depends-On: I99c9f2be0bbc70f289da5c2ba22698b8b7dc4495
Change-Id: Id169a914c1d1f2f5ad03ebb515d3d052204d5c5c
2015-11-24 13:44:58 +01:00

104 lines
4.3 KiB
Python

#
# Copyright 2012 New Dream Network, LLC (DreamHost)
# Copyright 2013 IBM Corp.
# Copyright 2013 eNovance <licensing@enovance.com>
# Copyright Ericsson AB 2013. All rights reserved
# Copyright 2014 Hewlett-Packard Company
# Copyright 2015 Huawei Technologies Co., Ltd.
#
# 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 pecan
from pecan import rest
from wsme import types as wtypes
import wsmeext.pecan as wsme_pecan
from ceilometer.api.controllers.v2 import base
from ceilometer import utils
def _flatten_capabilities(capabilities):
return dict((k, v) for k, v in utils.recursive_keypairs(capabilities))
class Capabilities(base.Base):
"""A representation of the API and storage capabilities.
Usually constrained by restrictions imposed by the storage driver.
"""
api = {wtypes.text: bool}
"A flattened dictionary of API capabilities"
storage = {wtypes.text: bool}
"A flattened dictionary of storage capabilities"
event_storage = {wtypes.text: bool}
"A flattened dictionary of event storage capabilities"
@classmethod
def sample(cls):
return cls(
api=_flatten_capabilities({
'meters': {'query': {'simple': True,
'metadata': True,
'complex': False}},
'resources': {'query': {'simple': True,
'metadata': True,
'complex': False}},
'samples': {'query': {'simple': True,
'metadata': True,
'complex': True}},
'statistics': {'groupby': True,
'query': {'simple': True,
'metadata': True,
'complex': False},
'aggregation': {'standard': True,
'selectable': {
'max': True,
'min': True,
'sum': True,
'avg': True,
'count': True,
'stddev': True,
'cardinality': True,
'quartile': False}}},
'events': {'query': {'simple': True}},
}),
storage=_flatten_capabilities(
{'storage': {'production_ready': True}}),
event_storage=_flatten_capabilities(
{'storage': {'production_ready': True}}),
)
class CapabilitiesController(rest.RestController):
"""Manages capabilities queries."""
@wsme_pecan.wsexpose(Capabilities)
def get(self):
"""Returns a flattened dictionary of API capabilities.
Capabilities supported by the currently configured storage driver.
"""
# variation in API capabilities is effectively determined by
# the lack of strict feature parity across storage drivers
conn = pecan.request.storage_conn
event_conn = pecan.request.event_storage_conn
driver_capabilities = conn.get_capabilities().copy()
driver_capabilities['events'] = event_conn.get_capabilities()['events']
driver_perf = conn.get_storage_capabilities()
event_driver_perf = event_conn.get_storage_capabilities()
return Capabilities(api=_flatten_capabilities(driver_capabilities),
storage=_flatten_capabilities(driver_perf),
event_storage=_flatten_capabilities(
event_driver_perf))