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