Print execution has completed when st2 tail command exits during stream
so user knows why the command has exited.
@@ -1408,6 +1408,7 @@ class ActionExecutionTailCommand(resource.ResourceCommand):
if is_execution_event:
if status in LIVEACTION_COMPLETED_STATES:
# Execution has completed
+ print('Execution %s has completed.' % (execution_id))
break
else:
# We don't care about other execution events
