File: //etc/zabbix/zabbix_agentd.d/service_monitoring_via_systemctl.conf
# original source: https://raw.githubusercontent.com/aigarskadikis/zabbix_agentd.d/master/service_monitoring_via_systemctl.conf
UserParameter=services.systemctl,echo "{\"data\":[$(systemctl list-unit-files --type=service|grep \.service|grep -v "@"|sed -E -e "s/\.service\s+/\",\"{#STATUS}\":\"/;s/(\s+)?$/\"},/;s/^/{\"{#NAME}\":\"/;$ s/.$//")]}"
UserParameter=systemctl.status[*],systemctl status $1
UserParameter=systemctl.serviceuptime[*],echo $(($(date "+%s")-$(systemctl show $1 --property=ActiveEnterTimestamp | cut -d'=' -f2 | date "+%s" -f -)))