import json
 import logging
+import uuid
 
+from catalog.pub.config.config import AAI_BASE_URL, AAI_USER, AAI_PASSWD
 from catalog.pub.exceptions import NSLCMException
+from catalog.pub.utils import restcall
 from catalog.pub.utils.restcall import req_by_msb
 
 logger = logging.getLogger(__name__)
 
 
+def call_aai(resource, method, content=''):
+    additional_headers = {
+        'X-FromAppId': 'VFC-NFVO-LCM',
+        'X-TransactionId': str(uuid.uuid1())
+    }
+
+    return restcall.call_req(AAI_BASE_URL,
+                             AAI_USER,
+                             AAI_PASSWD,
+                             restcall.rest_no_auth,
+                             resource,
+                             method,
+                             content,
+                             additional_headers)
+
+
 def get_vims():
     ret = req_by_msb("/api/extsys/v1/vims", "GET")
     if ret[0] != 0:
 
 logger = logging.getLogger(__name__)
 
 
-def call_req(base_url, user, passwd, auth_type, resource, method, 
+def call_req(base_url, user, passwd, auth_type, resource, method,
     content='', additional_headers={}):
     callid = str(uuid.uuid1())
     logger.debug("[%s]call_req('%s','%s','%s',%s,'%s','%s','%s')" % (
         if user:
             headers['Authorization'] = 'Basic ' + ('%s:%s' % (user, passwd)).encode("base64")
         ca_certs = None
+        if additional_headers:
+            headers.update(additional_headers)
         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