Check if cluster is idle from a script or master server

How do I check if there are pending operations on the ispconfig cluster from a script ?
The script will be running on an external server. I have access to the remote api and, if necessary, to the mysql running on the master server.
ispcomm

 

Perhaps I can answer my own question.
The status of the cluster seems to be at

Code:

https://<ispconfig>:8080/datalogstatus.php

It returns a json answer like

Code:

{"count":0,"entries":[]}

Ispcomm

 

Found it: monitor_jobqueue_count