Truncate the logline in logging wrapper

* This will prevent tons of text being
  thrown in to the logs by SLOs, DLOS,
  lots of querey params, etc.

Change-Id: I04504bf1773552127d7cd596f9ea072f1064efd2

cloudcafe/objectstorage/objectstorage_api/client.py

@@ -57,6 +57,10 @@ def _log_transaction(log, level=cclogging.logging.DEBUG):
             log level.
             """
             logline = '{0} {1}'.format(args, kwargs)
+            # If the logline is over 200, just show the first 200 characters
+            # and truncate the rest.
+            if logline and len(logline) > 200:
+                logline = '{0}...<truncated>'.format(logline[:200])
 
             try:
                 log.debug(logline.decode('utf-8', 'replace'))