diff --git a/plugins/other/vserver_limit_hits b/plugins/other/vserver_limit_hits new file mode 100755 index 00000000..b2a98669 --- /dev/null +++ b/plugins/other/vserver_limit_hits @@ -0,0 +1,120 @@ +#!/bin/sh +# +# Copyright (C) 2008 Chris Wilson +# Copyright (C) 2006 Holger Levsen +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2 dated June, +# 1991. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# Configuration variables +# vservers - specify the vservers to include in the graph (default: all) +# limits - if true, turn on limit graphing (default: false) +# +# NOTE: If no configuration variables are set, the defaults will be used + +# Example /etc/munin/plugin-conf.d/munin-node +# +# The first group monitors the vservers named "vserver1 vserver2 +# vserver3 vserver4" and looks to see if the resource limit has been +# breached, if so it sends a message to nagios via send_nsca, and +# sends an email to notify that this has happened. +# +# The second monitors the vservers "vserver5 vserver6 vserver7" and +# has no limit notifications turned on. +# +# The third monitors all vservers on the system, in one graph, and it has +# no limit notifications defined. +# +# You can use any combination of these to fit your needs. +# +# +# [vsrmem_group1] +# user root +# env.vservers vserver1 vserver2 vserver3 vserver4 +# env.limits 1 +# contacts nagios email +# contact.nagios.command /usr/bin/send_nsca -H your.nagios-host.here -c /etc/send_nsca.cfg +# contact.email.command mail -s "Munin-notification for ${var:group} :: ${var:host}" your@email.address.here +# +# [vsrmem_group2] +# user root +# env.vservers vserver5 vserver6 vserver7 +# env.limits 0 +# +# [vserver_rmemory] +# user root +# +# Graph Vserver RSS usage and limits +# +# Changelog +# version 0.1 - 2006 April xx - Holger Levsen +# - initial author +# version 0.2 - 2006 April 24 - Micah Anderson +# - Add dynamic arch page size determination +# - Some cleanup and clarification +# version 0.3 - 2006 May 3 - Micah Anderson +# - Add ability to group vservers via environment vars +# - Fix missing close quotes and standardize indents +# - Add limit notification +# - Update documentation to include info on groups and limits +# version 0.4 - 2006 Jun 22 - Micah Anderson +# - Fix error that results if NodeName is set to include a domain name +# version 0.5 - 2008 Apr 12 - Chris Wilson +# - Changed to display limit hits instead of resource usage +# - Adapt to latest vserver kernel (lack of some variables in /proc/virtual) +# Note that your vserver names may change if the contents of +# /etc/vservers/* do not match the nodenames. Also you must specify +# the vservers variable with context IDs (XIDs) rather than names. + +scriptname=`basename $0` +resource=`echo $scriptname | sed -e 's/.*_//'` +vservers="$vservers" + +if [ -z "$vservers" ]; then + vservers=`ls -1 /proc/virtual | grep -v info | grep -v status` +fi + +if [ "$1" = "config" ]; then + echo "graph_title Vserver $resource limit hits" + # echo 'graph_args --base 1024k -l 0' + echo "graph_vlabel $resource limit hits" + echo 'graph_category vserver' + echo "graph_info Shows number of hits on $resource limits by each vserver.'" + + for vserver_xid in $vservers ; do + longname=`/usr/sbin/vuname --xid $vserver_xid NODENAME | cut -f2` + name=`echo $longname | cut -d. -f1` + echo "$vserver_xid.label $name" + echo "$vserver_xid.info $resource limit hits by $longname" + echo "$vserver_xid.critical 1" + echo "$vserver_xid.min 0" + echo "$vserver_xid.type DERIVE" + done + + exit 0 +elif [ "$1" = "suggest" ]; then + if [ -z "$vservers" ]; then + echo "No vservers running, cannot suggest!" >&2 + exit 2 + fi + vserver1=`echo $vservers | sed -e 's/ .*//'` + tail -n +2 /proc/virtual/$vserver1/limit | sed -e 's/:.*//' +else + for vserver_xid in $vservers; do + cat /proc/virtual/$vserver_xid/limit \ + | awk -v xid="$vserver_xid" -v res="$resource:" \ + '{ if ( $1 == res ) + printf "%s.value %d\n", xid, $7 }' + done +fi