Monitoring bandwidth of containers - Revision history

Kir: no need for displaytitle

2010-03-18T12:11:28Z

no need for displaytitle

195.19.226.194 at 11:18, 18 March 2010

2010-03-18T11:18:27Z

Ginkyo: append Category Networking & $VE_PRIVATE

2010-01-25T00:05:03Z

append Category Networking & $VE_PRIVATE

78.27.33.6: Changing %-11d to %s to get around the limit of a 32 bit signed integer.

2010-01-23T12:32:04Z

Changing %-11d to %s to get around the limit of a 32 bit signed integer.

Curx: Monitoring bandwith of containers moved to Monitoring bandwidth of containers: typo in Title

2008-12-31T01:09:11Z

Monitoring bandwith of containers moved to Monitoring bandwidth of containers: typo in Title

Curx: add script

2008-12-31T01:05:02Z

add script

New page

{{DISPLAYTITLE:Monitoring bandwith of containers}}

Use the /proc/dev/net inside a container, dump stats into a round robin database (rrd)

<pre>
#!/bin/bash
#
# Bandwidth collection script for OpenVZ by Eric 'phpfreak' Rosebrock
# http://www.serverpowered.com / http://www.thewebfreaks.com
# Please read: http://www.serverpowered.com/openvz-bandwidth-accounting.php
#
#
# No warranties on this script, use it at your own risk!
#
# Special thanks to Rick Blundell for helping me to get this thing going.
#
# Discussions: http://forum.openvz.org/index.php?t=tree&goto=1350

# BWVE is the bandwidth storage VE. This would have been created by the
# tutorial you followed as listed above.

BWVE=1002

# BWDIR is the directory inside the bandwdith VE where the .rrd files
# will be stored.

BWDIR=var/rrd/vz

# You should not need to edit anything below this line.

# Get the date from the first of this month to create new rrd files
TDATE=`date +%Y-%m-01`;
ETIME=`date +%s -d $TDATE`

# Define the full path to the bandwidth VE directory and the storage dir.
CBWDIR=/vz/private/$BWVE/$BWDIR

# Test and make sure that directory is there, if not create it.
if ! test -d $CBWDIR; then
echo $CBWDIR does not exist, creating it.
mkdir $CBWDIR

fi

# Get a list of all of the VE's created on the system, not just the running ones.

for i in `ls $CBWDIR`; do
VES=`echo $i | cut -f2 -d- | cut -f1 -d.`;

# if the VE was there before, an .rrd file will exist. Now if the VE is gone,
# Delete the .rrd file because its obviously not needed anymore.

if ! test -d /vz/private/$VES; then
echo $i will be deleted
rm -rf $CBWDIR/vps-$VES.rrd
fi
done

# Time to do the data collection.
for i in `/usr/sbin/vzlist -Ho veid`; do

RRDFILE=$CBWDIR/vps-$i.rrd

if ! test -e $RRDFILE; then
echo $RRDFILE does not exist, creating.
/usr/bin/rrdtool create $RRDFILE -s 300 \
DS:ds0:DERIVE:600:0:1125000000 \
DS:ds1:DERIVE:600:0:1125000000 \
RRA:AVERAGE:0.5:1:600 \
RRA:AVERAGE:0.5:6:700 \
RRA:AVERAGE:0.5:24:775 \
RRA:AVERAGE:0.5:288:797 \
RRA:MAX:0.5:1:600 \
RRA:MAX:0.5:6:700 \
RRA:MAX:0.5:24:775 \
RRA:MAX:0.5:288:797 \
RRA:MIN:0.5:1:600 \
RRA:MIN:0.5:6:700 \
RRA:MIN:0.5:24:775 \
RRA:MIN:0.5:288:797
fi

X=`/usr/sbin/vzctl exec $i "grep venet0 /proc/net/dev"`
eval `echo $X | cut -f2 -d: | awk '{printf"IN=%-11d\nOUT=%-11d\n", $1, $9}'`

for g in IN OUT;do
if [ -z ${!g} ]; then
echo foo
eval $g=0
fi
done
/usr/bin/rrdtool update $RRDFILE N:$IN:$OUT
done
</pre>

[[Category: HOWTO]]

[[Category: Monitoring]]

← Older revision		Revision as of 12:11, 18 March 2010
Line 1:		Line 1:
−	~~{{DISPLAYTITLE:Monitoring bandwith of containers}}~~
−
	Use the /proc/net/dev inside a container, dump stats into a round robin database (rrd)		Use the /proc/net/dev inside a container, dump stats into a round robin database (rrd)

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:Monitoring bandwith of containers}}
-Use the /proc/dev/net inside a container, dump stats into a round robin database (rrd)
+Use the /proc/net/dev inside a container, dump stats into a round robin database (rrd)
 <pre>

@@ Line 26: / Line 26: @@
 BWDIR=var/rrd/vz
@@ Line 35: / Line 38: @@
 # Define the full path to the bandwidth VE directory and the storage dir.
-CBWDIR=/vz/private/$BWVE/$BWDIR
+CBWDIR=$VE_PRIVATE/$BWVE/$BWDIR
 # Test and make sure that directory is there, if not create it.
@@ Line 52: / Line 55: @@
          # Delete the .rrd file because its obviously not needed anymore.
-         if ! test -d /vz/private/$VES; then
+         if ! test -d $VE_PRIVATE/$VES; then
                  echo $i will be deleted
                  rm -rf $CBWDIR/vps-$VES.rrd
@@ Line 96: / Line 99: @@
 [[Category: HOWTO]]
 [[Category: Monitoring]]

@@ Line 83: / Line 83: @@
                  X=`/usr/sbin/vzctl exec $i "grep venet0 /proc/net/dev"`
-                 eval `echo $X | cut -f2 -d: | awk '{printf"IN=%-11d\nOUT=%-11d\n", $1, $9}'`
+                 eval `echo $X | cut -f2 -d: | awk '{printf"IN=%s\nOUT=%s\n", $1, $9}'`
                  for g in IN OUT;do

← Older revision	Revision as of 01:09, 31 December 2008
(No difference)