This post is about using Nagios plugin check_json to monitor system status. Since CtiSVR can return XML or JSON as payload over the REST interface, we can use the check_json plugin to monitor Avaya resource such as Trunk Group and ACD Hunt Group.
For example, the following command is to query Avaya Trunk Group (TAC) 3491, the result is is WARNING if the used trunks over 15 and CRITICAL if the used trunk over 20. The threshold format for Nagios is here.
check_json.pl --url 'http://$HOSTADDRESS$:9001/querytrunkgroup?tac=3491&payload=json' --attribute '{usedtrunks}' -w15 -c20 --perfvars 'idletrunks,usedtrunks'
To monitor Avaya Hunt Group such as the number of call queued, we can use the following command to monitor ACD Hunt Group 20666, the result is WARNING when the number of call queued over 0 and it is CRITICAL when the number of call queued over 5.
check_json.pl --url 'http://$HOSTADDRESS$:9001/queryacdsplit?split=20666&payload=json' --attribute '{callsqueue}' -w0 -c5 --perfvars 'callsqueue'
UPINGET 