cloudpulse/cloudpulse/api/controllers/v1/utils.py

88 lines
2.9 KiB
Python

# Copyright 2013 Red Hat, Inc.
# 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 jsonpatch
from oslo_config import cfg
import pecan
import wsme
from cloudpulse.common import exception
from cloudpulse.common.plugin import discover
from cloudpulse.common import utils
from cloudpulse import objects
from cloudpulse.openstack.common._i18n import _
from cloudpulse.scenario import base
CONF = cfg.CONF
JSONPATCH_EXCEPTIONS = (jsonpatch.JsonPatchException,
jsonpatch.JsonPointerException,
KeyError)
def validate_limit(limit):
if limit is not None and limit <= 0:
raise wsme.exc.ClientSideError(_("Limit must be positive"))
if limit is not None:
return min(CONF.api.max_limit, limit)
else:
return CONF.api.max_limit
def validate_sort_dir(sort_dir):
if sort_dir not in ['asc', 'desc']:
raise wsme.exc.ClientSideError(_("Invalid sort direction: %s. "
"Acceptable values are "
"'asc' or 'desc'") % sort_dir)
return sort_dir
def apply_jsonpatch(doc, patch):
return jsonpatch.apply_patch(doc, jsonpatch.JsonPatch(patch))
def get_rpc_resource(resource, resource_ident):
"""Get the RPC resource from the uuid or logical name.
:param resource: the resource type.
:param resource_ident: the UUID or logical name of the resource.
:returns: The RPC resource.
:raises: InvalidUuidOrName if the name or uuid provided is not valid.
"""
resource = getattr(objects, resource)
if utils.is_uuid_like(resource_ident):
return resource.get_by_uuid(pecan.request.context, resource_ident)
if utils.allow_logical_names():
return resource.get_by_name(pecan.request.context, resource_ident)
raise exception.InvalidUuidOrName(name=resource_ident)
def get_rpc_resource_detail(resource, resource_ident):
resource = getattr(objects, resource)
test = resource.get_by_uuid(pecan.request.context, resource_ident)
discover.import_modules_from_package("cloudpulse.scenario.plugins")
for scenario_group in discover.itersubclasses(base.Scenario):
for method in dir(scenario_group):
if test['name'] == method:
scenario = scenario_group()
callback = getattr(scenario, 'verbose')
return callback()