limosek-zaf-plugins/openvpn/control.zaf

Plugin: openvpn
Description::
 Plugin for OpenVPN users monitoring. It shows an OpenVPN user’s status, and its uplink and downlink traffic. The “hosts” by the files certificates names are made using LLD.
::

Version: 0.1
Url: https://raw.githubusercontent.com/limosek/zaf-plugins/master/psx
Web: https://github.com/Grifagor/zabbix-openvpn
Maintainer: Lukas Macura <lukas@macura.cz>

# Dependencies
Depends-dpkg: dash curl
Depens-opkg: busybox curl
Depends-rpm: curl
Depends-bin: curl ps

Item discovery_users:
Parameters: ccd_dir
Description::
 Discovery of openvpn users
::
Script::
#!/bin/sh

. $ZAF_LIB_DIR/zaf.lib.sh

path="$1"
[ -z "$path" ] && zaf_error "Missing parameter path!"

ls -F $path | sed 's/\///g' | zaf_discovery '{#VPNUSER}'
::
/Item

Item user_status:
Parameters: user
Description::
 User status
::
Cmd: cat /var/log/openvpn-status.log | grep "$1" >/dev/null && echo 1 || echo 0
/Item

Item num_users:
Description::
 Number of users
::
Cmd: cat /var/log/openvpn-status.log | sed -n '/Connected Since/,/ROUTING/p' | sed -e '1d' -e '$d' | wc -l
/Item

Item user_received_bytes:
Description::
 Number of bytes received by user
::
Parameters: user
Cmd:  cat /var/log/openvpn-status.log | grep $1 | tr "," "\n" | sed -n '3p'
/Item

Item user_sent_bytes:
Description::
 Number of bytes sent by user
::
Parameters: user
Cmd:  cat /var/log/openvpn-status.log | grep "$1" | tr "," "\n" | sed -n '4p'
/Item