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###############################################################################
# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
# and others #
# #
# All rights reserved. This program and the accompanying materials #
# are made available under the terms of the Apache License, Version 2.0 #
# which accompanies this distribution, and is available at #
# http://www.apache.org/licenses/LICENSE-2.0 #
###############################################################################
import requests
from discover.configuration import Configuration
from discover.fetcher import Fetcher
class ApiAccessBase(Fetcher):
CONNECT_TIMEOUT = 5
def __init__(self, api_name=None, config=None):
super().__init__()
if api_name is None:
raise ValueError('ApiAccessBase: api_name must be defined')
self.config = {api_name: config} if config else Configuration()
self.api_config = self.config.get(api_name)
if self.api_config is None:
raise ValueError('ApiAccessBase: section "{}" missing in config'
.format(api_name))
self.host = self.api_config.get('host', '')
self.port = self.api_config.get('port', '')
if not (self.host and self.port):
raise ValueError('Missing definition of host or port ' +
'for {} API access'
.format(api_name))
def get_rel_url(self, relative_url, headers):
req_url = self.base_url + relative_url
return self.get_url(req_url, headers)
def get_url(self, req_url, headers):
response = requests.get(req_url, headers=headers)
if response.status_code != requests.codes.ok:
# some error happened
if 'reason' in response:
msg = ', reason: {}'.format(response.reason)
else:
msg = ', response: {}'.format(response.text)
self.log.error('req_url: {} {}'.format(req_url, msg))
return None
ret = response.json()
return ret
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