Munin contributed plugins

#!/bin/bash

# Allan Parsons (allan.parsons@gmail.com)

# This was a rewrite by Allan Parsons

#

# Original Author: Pasha "p01nt" Klets <pasha@klets.name>

#

##DEBUGDEBUG

#MUNIN_LIBDIR=/usr/share/munin

#. $MUNIN_LIBDIR/plugins/plugin.sh

#socket="/var/run/haproxy.sock"

name=`basename $0`

title=`echo ${name} | awk -F_ '{print $NF}'`

SVNAME='BACKEND'

LIST=$backend

function parse_url {

	# Modify ifs variable

	OIFS=$IFS;

	IFS=",";

	PXNAME="$1"

	SVNAME="$2"

	VALUE="$3"

	if [ ! -z "$4" ]; then

	   SERVERNAME="$4"

	fi

        if [ ! -z "$url" ]; then

                LINE1=`curl -s "$url" | head -1 | sed 's/# //'`

                LINE2=`curl -s "$url" | grep "$PXNAME" | grep -v "$PXNAME,$SVNAME" | tr ',' ' '`

        fi

        if [ ! -z "$socket" ]; then

                LINE1=`echo "show stat" | socat unix-connect:"$socket" stdio | head -1 | sed 's/# //'`

                LINE2=`echo "show stat" | socat unix-connect:"$socket" stdio | grep "$PXNAME" | grep -v "$PXNAME,$SVNAME" | tr ',' ' '`

		#echo $CMD

		#exit

        fi

	ARRAY1=($LINE1);

	if [ ! -z $SERVERNAME ]; then

		# Find values

		for ((i=0; i<${#ARRAY1[@]}; ++i));

		do

	        	# Get data

		        if [[ "${ARRAY1[$i]}" == "${VALUE}" ]]; then

		                o=$i;

	        	        o=`expr $o + 1`

				RVAL=`echo ${LINE2} | grep ${SERVERNAME} | cut -d" " -f $o`

		        fi

		done

	else

		RVAL=`echo 'show stat' | socat unix-connect:"$socket" stdio | grep "$PXNAME" | grep -v "$PXNAME,$SVNAME" | tr ',' ' ' | awk '{print $2}'`

	fi

	# Reset ifs

	IFS=$OIFS;

	## return val

	echo $RVAL

}

##

## Main

##

graph_title="${title} sessions by servers"

graph_vlabel=${title}

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

	echo yes

	exit 0

fi

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

	echo "graph_category loadbalancer"

	echo "graph_title  ${graph_title}"

	echo "graph_vlabel ${graph_vlabel}"

	#echo "graph_printf %.0f"

	for i in ${LIST}; do

		SERVERLIST=$(parse_url ${i} ${SVNAME} svname)

		for s in $SERVERLIST; do

	        echo "hsessionsbyservers_$s_`echo $i_$s | md5sum | cut -d - -f1 | sed 's/ //g'`.label $s"

        	echo "hsessionsbyservers_$s_`echo $i_$s | md5sum | cut -d - -f1 | sed 's/ //g'`.type DERIVE"

			echo "hsessionsbyservers_$s_`echo $i_$s | md5sum | cut -d - -f1 | sed 's/ //g'`.info Active Sessions for $s"

			echo "hsessionsbyservers_$s_`echo $i_$s | md5sum | cut -d - -f1 | sed 's/ //g'`.min 0"

			#echo "hsessionsbyservers_$s_`echo $i_$s | md5sum | cut -d - -f1 | sed 's/ //g'`.draw AREASTACK"

        done

    done

    exit 0

fi

for i in ${LIST}; do

	SERVERLIST=$(parse_url ${i} ${SVNAME} svname)

	for s in $SERVERLIST; do

		val=$(parse_url ${i} ${SVNAME} scur ${s})

        echo "hsessionsbyservers_$s_`echo $i_$s | md5sum| cut -d - -f1 | sed 's/ //g'`.value ${val}"

    done

done