Munin contributed plugins

#!/bin/sh

# -*- sh -*-

#

# Plugin to monitor the number of PHP processes on the machine.

#

# Copyright Khalid Baheyeldin 2009 http://2bits.com

#

# Parameters:

#

# config (required)

# autoconf (optional - used by munin-config)

#

# Magick markers (optional - used by munin-config and som installation

# scripts):

#%# family=manual

#%# capabilities=autoconf

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

echo yes

exit 0

fi

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

  echo "graph_title PHP CGI Memory";

  echo "graph_vlabel PHP CGI Memory usage in GB";

  echo "graph_category apache";

  echo "graph_args -l 0";

  echo "php_cgi_ram.label PHP CGI Used RAM";

  echo "php_cgi_ram.draw LINE2";

  echo "php_cgi_processes.info Number of PHP CGI processes";

  echo "php_cgi_processes.label processes";

exit 0

fi

CMD_GREP=`which grep`

if [ ! -e ${CMD_GREP} ]; then

  echo "Command grep (${CMD_GREP}) not found!"

  exit 1

fi

CMD_SED=`which sed`

if [ ! -e ${CMD_SED} ]; then

  echo "Command sed (${CMD_SED}) not found!"

  exit 1

fi

CMD_WC=`which wc`

if [ ! -e ${CMD_WC} ]; then

  echo "Command wc (${CMD_WC}) not found!"

  exit 1

fi

CMD_AWK=`which awk`

if [ ! -e ${CMD_AWK} ]; then

  echo "Command awk (${CMD_AWK}) not found!"

  exit 1

fi

CMD_BC=`which bc`

if [ ! -e ${CMD_BC} ]; then

  echo "Command bc (${CMD_BC}) not found!"

  exit 1

fi

echo -n "php_cgi_processes.value "

ps ax | ${CMD_GREP} -i php-cgi | ${CMD_GREP} -v grep | ${CMD_WC} -l | ${CMD_SED} 's/\t +//' | ${CMD_SED} 's/ *//'

MEMORY=0

for mem in `ps avx | ${CMD_GREP} -i php-cgi | ${CMD_GREP} -v grep | ${CMD_GREP} "Ss" | ${CMD_AWK} '{ print $7 }'`; do

  MEMORY=$(($MEMORY + $mem))

done

echo -n "php_cgi_ram.value "

echo "scale=4;${MEMORY}/1024/1024" | bc