diff options
Diffstat (limited to 'kilo/kilo/pub/utils/restcall.py')
| -rw-r--r-- | kilo/kilo/pub/utils/restcall.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/kilo/kilo/pub/utils/restcall.py b/kilo/kilo/pub/utils/restcall.py new file mode 100644 index 00000000..4b96d357 --- /dev/null +++ b/kilo/kilo/pub/utils/restcall.py @@ -0,0 +1,92 @@ +# Copyright (c) 2017 Wind River Systems, 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 uuid +import httplib2 + +from kilo.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, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED = '200', '201', '204', '202' +status_ok_list = [HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED] +HTTP_404_NOTFOUND, HTTP_403_FORBIDDEN, HTTP_401_UNAUTHORIZED, HTTP_400_BADREQUEST = '404', '403', '401', '400' + +logger = logging.getLogger(__name__) + + +def call_req(base_url, user, passwd, auth_type, resource, method, content=''): + 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 = '' + try: + full_url = combine_url(base_url, resource) + headers = {'content-type': 'application/json', 'accept': 'application/json'} + if user: + headers['Authorization'] = 'Basic ' + ('%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: + resp, resp_content = http.request(full_url, method=method.upper(), body=content, headers=headers) + resp_status, resp_body = resp['status'], resp_content.decode('UTF-8') + logger.debug("[%s][%d]status=%s,resp_body=%s)" % (callid, retry_times, resp_status, resp_body)) + if resp_status in status_ok_list: + ret = [0, resp_body, resp_status] + else: + ret = [1, resp_body, resp_status] + break + except Exception as ex: + if 'httplib.ResponseNotReady' in str(sys.exc_info()): + logger.debug("retry_times=%d", retry_times) + logger.error(traceback.format_exc()) + ret = [1, "Unable to connect to %s" % full_url, resp_status] + continue + raise ex + except urllib2.URLError as err: + ret = [2, str(err), resp_status] + except Exception as ex: + 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] + except: + logger.error(traceback.format_exc()) + ret = [4, str(sys.exc_info()), resp_status] + + logger.debug("[%s]ret=%s" % (callid, str(ret))) + return ret + + +def req_by_msb(resource, method, content=''): + base_url = "http://%s:%s/" % (MSB_SERVICE_IP, MSB_SERVICE_PORT) + return call_req(base_url, "", "", rest_no_auth, resource, method, content) + + +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 |