Munin contributed plugins

#!/bin/sh

#

# Copyright (C) 2006-2008 Benjamin Schweizer. All rights reserved.

#

#

# Abstract

# ~~~~~~~~

# munin plugin that logs active apache sessions

#

# Authors

# ~~~~~~~

# Benjamin Schweizer <code at benjamin-schweizer dot de>

# Ronan Guilloux <ronan at coolforest dot net>

# Andras Kemeny <subpardaemon at gmail dot com>

# Copy this to your node's config file (default: plugin-conf.d/munin-node):

#  [php_sessions]

#  user root

#  env.sessiondir /var/lib/php/session

#

# Modify env.sessiondir to match your system's setting. This should be fine

# on most systems.

#

# Changes

# ~~~~~~~

# 2011-02-13, subpardaemon: add env.sessiondir, make sure find uses

#                           the given path (it hadn't before)

# 2011-01-01, guilloux : find commands & plugin conf improvements

# 2008-10-15, schweizer: added active sessions

# 2008-10-10, schweizer: forked from munin_squid_efficiency

# 2006-10-11, schweizer: initial release.

#

# Todo

# ~~~~

# - we'll see

#

#%# family=auto

#%# capabilities=autoconf

SESSDIR=${sessiondir:-"/var/lib/php/session"}

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

    test -d "$SESSDIR" > /dev/null 2>&1

        if [ $? ]; then

                echo yes

                exit 0

        else

                echo "no (session directory not found)"

                exit 1

        fi

fi

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

        echo 'graph_title Apache/PHP Sessions'

        echo 'graph_info This graph shows active Apache/PHP sessions.'

        echo 'graph_category php-sessions'

        echo "graph_args --lower-limit 0"

        echo 'graph_vlabel n'

        echo 'sessions.label total sessions'

        echo 'asessions.label active sessions'

        exit 0

fi

ACTIVE_SESSIONS_NUM=`find $SESSDIR/ -type f -iname "sess_*" -amin -5 | wc -l`

TOTAL_SESSIONS_NUM=`find $SESSDIR/ -type f -iname "sess_*" | wc -l`

echo "sessions.value ${TOTAL_SESSIONS_NUM}"

echo "asessions.value ${ACTIVE_SESSIONS_NUM}"

# eof.