added a debug message

inventory_provider/tasks/common.py

@@ -37,6 +37,9 @@ def get_latch(r):
 
 def set_latch(config, new_current, new_next):
 
+    logger.debug('setting latch: new current={}, new next={}'.format(
+        new_current, new_next))
+
     for db in config['redis-databases']:
         latch = {
             'current': new_current,