Implement vnflcm call_req_aai function

As aai rest api is https, add new call_req_aai
function to implement the rest call to aai.

Change-Id: I3154d075af0b8290361eafbec1774743b7f75c3d
Issue-ID: VFC-133
Signed-off-by: ying.yunlong <ying.yunlong@zte.com.cn>

1 files changed, 49 insertions, 0 deletions

diff --git a/lcm/lcm/pub/utils/restcall.py b/lcm/lcm/pub/utils/restcall.py
index 663f16cb..1fbe59f9 100644
--- a/lcm/lcm/pub/utils/restcall.py
+++ b/lcm/lcm/pub/utils/restcall.py
@@ -93,3 +93,52 @@ def combine_url(base_url, resource):
     else:
         full_url = base_url + '/' + resource
     return full_url
+
+
+def call_req_aai(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',
+                   'X-FromAppId': 'AAI', 'X-TransactionId': 'get_aai_subscr'}
+        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
\ No newline at end of file