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# Copyright (c) 2017 Wind River Systems, Inc.
# Copyright (c) 2017-2018 VMware, Inc.
#
# 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.
import sys
import traceback
import logging
# import urllib2
import urllib.request
import urllib.parse
import urllib.error
import uuid
import httplib2
import base64
from multivimbroker.pub.config.config import AAI_SCHEMA_VERSION
from multivimbroker.pub.config.config import AAI_SERVICE_URL
from multivimbroker.pub.config.config import AAI_USERNAME
from multivimbroker.pub.config.config import AAI_PASSWORD
from multivimbroker.pub.config.config import MSB_SERVICE_IP, MSB_SERVICE_PORT
rest_no_auth, rest_oneway_auth, rest_bothway_auth = 0, 1, 2
HTTP_200_OK, HTTP_201_CREATED = '200', '201'
HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED = '204', '202'
status_ok_list = [HTTP_200_OK, HTTP_201_CREATED,
HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED]
HTTP_404_NOTFOUND, HTTP_403_FORBIDDEN = '404', '403'
HTTP_401_UNAUTHORIZED, HTTP_400_BADREQUEST = '401', '400'
logger = logging.getLogger(__name__)
def call_multipart_req(base_url, user, passwd, auth_type, resource, method,
content, headers=None):
callid = str(uuid.uuid1())
# logger.debug("[%s]call_req('%s','%s','%s',%s,'%s','%s','%s')" % (
# callid, base_url, user, passwd, auth_type, resource, method, content))
ret = None
resp = ""
full_url = ""
try:
full_url = combine_url(base_url, resource)
logger.debug("request=%s)" % full_url)
requestObj = urllib.request.Request(full_url, content, headers)
resp = urllib.request.urlopen(requestObj)
if resp.code in status_ok_list:
ret = [0, resp.read(), resp.code, resp]
else:
ret = [1, resp.read(), resp.code, resp]
except urllib.error.URLError as err:
ret = [2, str(err), 500, resp]
except Exception:
logger.error(traceback.format_exc())
logger.error("[%s]ret=%s" % (callid, str(sys.exc_info())))
res_info = str(sys.exc_info())
ret = [3, res_info, 500, resp]
return ret
def call_req(base_url, user, passwd, auth_type, resource, method,
content='', headers=None):
callid = str(uuid.uuid1())
# logger.debug("[%s]call_req('%s','%s','%s',%s,'%s','%s','%s')" % (
# callid, base_url, user, passwd, auth_type, resource, method, content))
ret = None
resp_status = '500'
resp = ""
full_url = ""
try:
full_url = combine_url(base_url, resource)
if headers is None:
headers = {}
headers['content-type'] = 'application/json'
if user:
headers['Authorization'] = 'Basic ' + \
base64.b64encode(('%s:%s' % (user, passwd)).encode()).decode()
# ('%s:%s' % (user, passwd)).encode("base64")
ca_certs = None
for retry_times in range(3):
http = httplib2.Http(
ca_certs=ca_certs,
disable_ssl_certificate_validation=(
auth_type == rest_no_auth))
http.follow_all_redirects = True
try:
logger.debug("request=%s)" % full_url)
resp, resp_content = http.request(
full_url, method=method.upper(),
body=content, headers=headers)
resp_status, resp_body = resp['status'], resp_content
if resp_status in status_ok_list:
ret = [0, resp_body, resp_status, resp]
else:
ret = [1, resp_body, resp_status, resp]
break
except Exception as ex:
if 'httplib.ResponseNotReady' in str(sys.exc_info()):
logger.error(traceback.format_exc())
ret = [1, "Unable to connect to %s" %
full_url, resp_status, resp]
continue
raise ex
except urllib.error.URLError as err:
ret = [2, str(err), resp_status, resp]
except Exception:
logger.error(traceback.format_exc())
logger.error("[%s]ret=%s" % (callid, str(sys.exc_info())))
res_info = str(sys.exc_info())
if 'httplib.ResponseNotReady' in res_info:
res_info = "The URL[%s] request \
failed or is not responding." % full_url
ret = [3, res_info, resp_status, resp]
# logger.debug("[%s]ret=%s" % (callid, str(ret)))
return ret
def req_by_msb(resource, method, content='', headers=None):
base_url = "http://%s:%s/" % (MSB_SERVICE_IP, MSB_SERVICE_PORT)
return call_req(base_url, "", "",
rest_no_auth, resource, method, content, headers)
def req_by_msb_multipart(resource, method, content, headers=None):
base_url = "http://%s:%s/" % (MSB_SERVICE_IP, MSB_SERVICE_PORT)
return call_multipart_req(base_url, "", "",
rest_no_auth, resource, method, content, headers)
def get_res_from_aai(resource, content=''):
headers = {
'X-FromAppId': 'MultiCloud',
'X-TransactionId': '9001',
'content-type': 'application/json',
'accept': 'application/json'
}
base_url = "%s/%s" % (AAI_SERVICE_URL, AAI_SCHEMA_VERSION)
return call_req(base_url, AAI_USERNAME, AAI_PASSWORD, rest_no_auth,
resource, "GET", content, headers)
def combine_url(base_url, resource):
full_url = None
if base_url.endswith('/') and resource.startswith('/'):
full_url = base_url[:-1] + resource
elif base_url.endswith('/') and not resource.startswith('/'):
full_url = base_url + resource
elif not base_url.endswith('/') and resource.startswith('/'):
full_url = base_url + resource
else:
full_url = base_url + '/' + resource
return full_url
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