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contrib-munin/plugins/lxc/lxc_ram

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#!/bin/bash
# -*- sh -*-
: << =cut
=head1 NAME
lxc_ram - Plugin to monitor LXC memory usage.
=head1 CONFIGURATION
[lxc_*]
user root
=head1 INTERPRETATION
This plugin needs root privilege.
=head1 AUTHOR
vajtsz vajtsz@gmail.com
mitty mitty@mitty.jp
=head1 LICENSE
Unknown license
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=cut
. $MUNIN_LIBDIR/plugins/plugin.sh
guest_names=`lxc-ls | sort -u`
for guest in $guest_names; do
if lxc-info -n $guest 2>&1 | grep -qs RUNNING ; then
active="$active $guest"
fi
done
guest_names="$active"
f_comm='lxc-cgroup '
if [ "$1" = "autoconf" ]; then
if [ -r /proc/stat ]; then
echo yes
exit 0
else
echo "no (no /proc/stat)"
exit 0
fi
fi
if [ "$1" = "config" ]; then
echo 'graph_title Memory '
echo 'graph_args -l 0 --base 1024'
echo 'graph_vlabel byte'
echo 'graph_category memory'
for guest_name in $guest_names;
do
guest="$(clean_fieldname $guest_name)"
echo 'mem_usage_'$guest'.label '$guest_name': Mem usage'
echo 'mem_usage_'$guest'.type GAUGE'
echo 'mem_cache_'$guest'.label '$guest_name': Cache'
echo 'mem_cache_'$guest'.type GAUGE'
echo 'mem_active_'$guest'.label '$guest_name': Active'
echo 'mem_active_'$guest'.type GAUGE'
echo 'mem_inactive_'$guest'.label '$guest_name': Inactive'
echo 'mem_inactive_'$guest'.type GAUGE'
done
exit 0
fi
for guest_name in $guest_names;
do
guest="$(clean_fieldname $guest_name)"
tmp_v=`$f_comm -n $guest_name memory.usage_in_bytes`
echo 'mem_usage_'$guest'.value '$tmp_v
tmp_g=`$f_comm -n $guest_name memory.stat | grep total_cache`
tmp_v=`echo $tmp_g | awk '{print($2)}'`
echo 'mem_cache_'$guest'.value '$tmp_v
tmp_g=`$f_comm -n $guest_name memory.stat | grep total_active_anon`
tmp_v=`echo $tmp_g | awk '{print($2)}'`
echo 'mem_active_'$guest'.value '$tmp_v
tmp_g=`$f_comm -n $guest_name memory.stat | grep total_inactive_anon`
tmp_v=`echo $tmp_g | awk '{print($2)}'`
echo 'mem_inactive_'$guest'.value '$tmp_v
done