mirror of
https://github.com/munin-monitoring/contrib.git
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124 lines
2.3 KiB
Bash
Executable File
124 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# -*- sh -*-
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: << =cut
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=head1 NAME
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lxc_proc - Plugin to monitor LXC Processes count
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=head1 CONFIGURATION
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env.cgrouppath - Set the path where 'tasks' sysfs files are stored, default: empty
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[lxc_proc]
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user root
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env.cgrouppath /sys/fs/cgroup/cpuacct/lxc/
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=head1 INTERPRETATION
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This plugin needs root privilege.
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=head1 AUTHOR
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vajtsz vajtsz@gmail.com
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=head1 LICENSE
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Unknown license
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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=cut
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. $MUNIN_LIBDIR/plugins/plugin.sh
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## find proper sysfs and count it
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# Debian 6.0: /sys/fs/cgroup/<container>/tasks
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# Ubuntu 12.04 with fstab: /sys/fs/cgroup/lxc/<container>/tasks
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# Ubuntu 12.04 with cgroup-lite: /sys/fs/cgroup/cpuacct/lxc/<container>/tasks
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# Ubuntu 12.04 with cgroup-bin: /sys/fs/cgroup/cpuacct/sysdefault/lxc/<container>/tasks
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count_processes () {
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[ -z "$1" ] && return 0
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if [ -n "$cgrouppath" ]; then
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SYSFS=$cgrouppath/$1/tasks
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if [ -e $SYSFS ]; then
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return `wc -l < $SYSFS`
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fi
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fi
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for SYSFS in \
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/sys/fs/cgroup/$1/tasks \
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/sys/fs/cgroup/lxc/$1/tasks \
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/sys/fs/cgroup/cpuacct/lxc/$1/tasks \
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/sys/fs/cgroup/cpuacct/sysdefault/lxc/$1/tasks \
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; do
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if [ -e $SYSFS ]; then
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return `wc -l < $SYSFS`
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fi
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done
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return 0
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}
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guest_names=`lxc-ls | sort -u`
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for guest in $guest_names; do
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if lxc-info -n $guest 2>&1 | grep -qs RUNNING ; then
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active="$active $guest"
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fi
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done
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guest_names="$active"
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f_comm='lxc-cgroup '
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if [ "$1" = "autoconf" ]; then
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if [ -r /proc/stat ]; then
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echo yes
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exit 0
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else
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echo "no (no /proc/stat)"
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exit 0
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fi
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fi
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if [ "$1" = "config" ]; then
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echo 'graph_title Processes '
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echo 'graph_args -l 0 --base 1000'
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echo 'graph_vlabel Number of processes'
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echo 'graph_category lxc'
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for guest_name in $guest_names;
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do
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guest="$(clean_fieldname $guest_name)"
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echo 'lxc_proc_'$guest'.label '$guest_name': processes'
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echo 'lxc_proc_'$guest'.type GAUGE'
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echo 'lxc_proc_'$guest'.min 0'
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done
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exit 0
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fi
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for guest_name in $guest_names;
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do
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guest="$(clean_fieldname $guest_name)"
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count_processes $guest_name
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tmp_g=$?
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if [ $tmp_g -eq 0 ]; then
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tmp_g=`$f_comm -n $guest_name tasks | wc -l`
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fi
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echo 'lxc_proc_'$guest'.value '$tmp_g
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done
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