Munin contributed plugins

#!/bin/sh

#

# (c) 2015, Raphaël Droz <raphael.droz@gmail.com>

# (c) 2014, Gilles Fauvie <gfauvie@opendbteam.com>

# Based on the 'du_multidirs' plugin, written by Christian Kujau <lists@nerdbynature.de>

#

# Configure it by using the processes env var, i.e.:

#

# WARNING: SELINUX can block this plugin

#

# [proc_mem_by_user]

# env.users     munin-node         jprod

#

# see bug:

# http://munin-monitoring.org/ticket/921

# /usr/share/munin/plugins/plugin.sh (clean_fieldname())

. "$MUNIN_LIBDIR/plugins/plugin.sh"

users=${users:-munin-node}

if [ "$1" = autoconf ]; then

    ok=1

    [ -z "$users" ] && ok=0

    for user in $users; do

	ps u -U "$user" 1> /dev/null 2>&1 || ok=0

    done

    if [ $ok = 1 ]; then echo yes

    else echo no; fi

    exit 0

fi

if [ "$1" = config ]; then

    cat <<EOF

graph_title Memory usage by process by user

graph_args --base 1024 -l 0

graph_vlabel Bytes

graph_category memory

graph_info This graph shows the memory usage of several processes of one user

graph_order $(echo "$users"|sed 's/\broot\b/__root/g')

EOF

    for user in $users; do

	munin_safe_name=$(clean_fieldname "$user")

	cat<<EOF

$munin_safe_name.label $user

$munin_safe_name.info $user

$munin_safe_name.min 0

$munin_safe_name.draw LINESTACK2

$munin_safe_name.type GAUGE

EOF

    done

    #       echo "$u".warning 0

    #       echo "$u".critical 0

    exit 0

fi

for user in $users; do

    munin_safe_name=$(clean_fieldname "$user")

    sum=$(ps u -U "$user" | awk 'BEGIN { sum = 0 } NR > 1 { sum += $6 }; END { print sum * 1024 }')

    echo "$munin_safe_name.value ${sum:-U}"

done