#!/bin/sh
# -*- sh -*-

: << =cut

=head1 NAME

openvpn_as_time -Indicate the medium time of the logged users.

=head1 CONFIGURATION

Require jsonpipe software:
https://github.com/dvxhouse/jsonpipe

 [openvpn_*]
 user root

=head1 AUTHOR

Ricardo Fraile <rfrail3@yahoo.es>

=head1 LICENSE

GPLv2

=head1 MAGICK MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut

. $MUNIN_LIBDIR/plugins/plugin.sh




if [ "$1" = "autoconf" ]; then
	echo yes
	exit 0
fi

SUM=0
NOW=`date +%s`
# Script folder
D_BIN="/usr/local/openvpn_as/scripts"

# List with users time
LIST1=`$D_BIN/sacli VPNStatus | tr '/' - |  jsonpipe  | grep "/openvpn_[0-9]/client_list/[0-9]/6" | tr -d '"'  | awk '{print $2} '`
# Count users listed
TOTU=`$D_BIN/sacli VPNStatus | tr '/' - |  jsonpipe  | grep "/openvpn_[0-9]/client_list/[0-9]/6" | tr -d '"'  | awk '{print $2} ' | wc -l`

if [ "$1" = "config" ]; then

	echo 'graph_title OpenVPN Users medium time'
	echo 'graph_args --base 1000 -l 0 '
	echo 'graph_vlabel Time in minutes'
	echo 'graph_scale no'
	echo 'graph_category network'
	echo 'graph_info Indicate the medium time of the logged users.'

        echo "time.label Users"
        echo "time.type GAUGE"
        echo "time.min 0"

	exit 0
fi

# Sum all times (times are the time request minus epoch date at now)
for i in $LIST1; do
        SUM=`expr $SUM + $((NOW - $i))`
done

# If TOTU is 0, change to 1 for avoid problem in the division
if [ "$TOTU" = "0" ]; then
        TOTU=1
fi

# Total is total time between number of users between 60 for give it in minutes
echo "time.value $(($(($SUM / $TOTU)) / 60))"