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# (C) Copyright 2014, 2015 Hewlett Packard Enterprise Development Company LP
# Copyright 2017 Fujitsu LIMITED
#
# 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 urllib import parse
class MonascaManager(object):
base_url = None
def __init__(self, client):
self.client = client
def _parse_body(self, body):
if type(body) is dict:
self.next = None
for link in body['links']:
if link['rel'] == 'next':
self.next = link['href']
return body['elements']
else:
return body
def _list(self, path, dim_key=None, **kwargs):
"""Get a list of metrics."""
url_str = self.base_url + path
if dim_key and dim_key in kwargs:
dim_str = self.get_dimensions_url_string(kwargs[dim_key])
kwargs[dim_key] = dim_str
if kwargs:
url_str += '?%s' % parse.urlencode(kwargs, True)
body = self.client.list(
path=url_str
)
return self._parse_body(body)
@staticmethod
def get_dimensions_url_string(dimensions):
dim_list = list()
for k, v in dimensions.items():
# In case user specifies a dimension multiple times
if isinstance(v, (list, tuple)):
v = v[-1]
if v:
dim_str = k + ':' + v
else:
dim_str = k
dim_list.append(dim_str)
return ','.join(dim_list)
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