Log the access token expiration time after refresh operation

src/fts3rest/fts3rest/lib/IAMTokenRefresher.py

@@ -99,7 +99,7 @@ class IAMTokenRefresher(Thread):
                     for credential in credentials:
                         try:
                             credential = oidc_manager.refresh_access_token(credential)
-                            log.debug('OK refresh_access_token')
+                            log.debug('OK refresh_access_token (exp=%s)' % str(credential.termination_time))
                             Session.merge(credential)
                             Session.commit()
                         except Exception as ex: