Add comment to clarify url transformations

Signed-off-by: Francesco De Martino <[email protected]>

Author: demartinofra

cli/pcluster/resources/batch/custom_resources_code/crhelper/utils.py

@@ -22,8 +22,10 @@ def _send_response(response_url, response_body):
     logger.debug("CFN response URL: {}".format(response_url))
     logger.debug(json_response_body)
     headers = {'content-type': '', 'content-length': str(len(json_response_body))}
+    # This function returns a 5-tuple: (addressing scheme, network location, path, query, fragment identifier)
     split_url = urlsplit(response_url)
     host = split_url.netloc
+    # Building the url without scheme and hostname
     url = urlunsplit(("", "", *split_url[2:]))
     while True:
         try:

cli/pcluster/resources/batch/custom_resources_code/send_build_notification.py

@@ -31,8 +31,10 @@ def handler(event, context):
     print("Notification URL: %s" % notification_url)
     print("Notification data: %s" % data)
 
+    # This function returns a 5-tuple: (addressing scheme, network location, path, query, fragment identifier)
     split_url = urlsplit(notification_url)
     host = split_url.netloc
+    # Building the url without scheme and hostname
     url = urlunsplit(("", "", *split_url[2:]))
     while True:
         try: