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 Number of php-cgi processes'

echo 'graph_args --base 1000 -l 0 '

echo 'graph_vlabel number of php-cgi processes'

echo 'graph_category apache'

echo 'graph_info This graph shows the number of php-cgi processes in the system.'

echo 'php_processes.label php-cgi'

echo 'php_processes.draw LINE2'

echo 'php_processes.info The current number of php-cgi 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

echo -n "php_processes.value "

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