Michael Mansour wrote:
>Although I couldn't figure out how to get the rrd graphs out so I
>download and installed cacti.
OK, here are some hints that may help. This is off-topic for this
list, but if you are still stuck after reading the rrd doc pages etc,
then there is an rrd mailing list.
The scripts I wrote are 'a bit crude', though I suppose writing CGI
in bash is never going to be too elegant. Many people use Perl, but I
haven't learned that !
Much of the script is concerned with making the rest of the html page
(menus and stuff), but the key bit is building an rrdtool script.
This is a procedure* that puts the relevant code into a temp file,
and then calls rrdtool to generate the actual output. The way I'm
doing it is the script will generate a graphic file (if required) and
simply output the html to load that image (ie <IMG SRC=... ALT=...>).
* I also have a simpler procedure that just plots one ip address.
Also, the time span is passed as a parameter.
Another technique used is to have the image reference itself be a CGI
which dynamically creates the image file (ie <IMG
SRC=dograph.cgi?param=x?param=y...>.
Once I have built the script file, I then call rrdtool to create the image :
/usr/bin/rrdcgi --filter ${TempFile}
Sample script (note, if you look at those long CDEFs in the middle
you'll see that this script didn't do every IP, just the ones we have
things attached to) :
<p>
<RRD::GRAPH /var/www/graphs/gr1det-off-7d.png
--title="All active devices - Last Week" -v "bytes/second"
--end 1167822000 --start end-300h
--lazy
--width 600 --height 300
--imginfo '<IMG SRC="../graphs/%s" width=%lu height=%lu
ALT="Graph data for of All active devices over Last Week">'
DEF:1-in=/var/rrd/ip-stats.rrd:ip1-in:AVERAGE
DEF:1-out=/var/rrd/ip-stats.rrd:ip1-out:AVERAGE
CDEF:i1-out=1-out,-1,*
VDEF:v1-in=1-in,AVERAGE
VDEF:v1-inmax=1-in,MAXIMUM
VDEF:v1-out=1-out,AVERAGE
VDEF:v1-outmax=1-out,MAXIMUM
DEF:2-in=/var/rrd/ip-stats.rrd:ip2-in:AVERAGE
DEF:2-out=/var/rrd/ip-stats.rrd:ip2-out:AVERAGE
CDEF:i2-out=2-out,-1,*
VDEF:v2-in=2-in,AVERAGE
VDEF:v2-inmax=2-in,MAXIMUM
VDEF:v2-out=2-out,AVERAGE
VDEF:v2-outmax=2-out,MAXIMUM
DEF:3-in=/var/rrd/ip-stats.rrd:ip3-in:AVERAGE
DEF:3-out=/var/rrd/ip-stats.rrd:ip3-out:AVERAGE
CDEF:i3-out=3-out,-1,*
VDEF:v3-in=3-in,AVERAGE
VDEF:v3-inmax=3-in,MAXIMUM
VDEF:v3-out=3-out,AVERAGE
VDEF:v3-outmax=3-out,MAXIMUM
....
CDEF:datainavg=1-in,2-in,+,3-in,+,4-in,+,6-in,+,9-in,+,12-in,+,13-in,+,14-in,+,15-in,+,17-in,+,18-in,+,19-in,+,21-in,+,22-in,+,24-in,+,25-in,+,26-in,+,27-in,+,28-in,+,29-in,+,30-in,+,40-in,+,41-in,+,42-in,+,43-in,+,44-in,+,50-in,+,51-in,+,60-in,+,68-in,+,69-in,+,71-in,+,84-in,+,85-in,+,86-in,+,87-in,+,88-in,+,93-in,+,98-in,+,99-in,+,105-in,+,108-in,+,109-in,+,110-in,+,112-in,+,115-in,+,121-in,+,122-in,+,123-in,+,126-in,+,134-in,+,158-in,+,160-in,+,161-in,+,162-in,+,165-in,+,166-in,+,201-in,+,202-in,+,239-in,+,240-in,+,254-in,+
VDEF:vdatainavg=datainavg,AVERAGE
CDEF:dataoutavg=1-out,2-out,+,3-out,+,4-out,+,6-out,+,9-out,+,12-out,+,13-out,+,14-out,+,15-out,+,17-out,+,18-out,+,19-out,+,21-out,+,22-out,+,24-out,+,25-out,+,26-out,+,27-out,+,28-out,+,29-out,+,30-out,+,40-out,+,41-out,+,42-out,+,43-out,+,44-out,+,50-out,+,51-out,+,60-out,+,68-out,+,69-out,+,71-out,+,84-out,+,85-out,+,86-out,+,87-out,+,88-out,+,93-out,+,98-out,+,99-out,+,105-out,+,108-out,+,109-out,+,110-out,+,112-out,+,115-out,+,121-out,+,122-out,+,123-out,+,126-out,+,134-out,+,158-out,+,160-out,+,161-out,+,162-out,+,165-out,+,166-out,+,201-out,+,202-out,+,239-out,+,240-out,+,254-out,+
VDEF:vdataoutavg=dataoutavg,AVERAGE
COMMENT:" IP Address In avg In max
Out avg Out max\n"
AREA:1-in#FF7F7F:"x.y.z.1 "
GPRINT:v1-in:"%6.2lf %sBps"
GPRINT:v1-inmax:"%6.2lf %sBps"
COMMENT:" "
GPRINT:v1-out:"%6.2lf %sBps"
GPRINT:v1-outmax:"%6.2lf %sBps"
COMMENT:" host1.mydomain\n"
AREA:2-in#7FFF7F:"x.y.z.2 ":STACK
GPRINT:v2-in:"%6.2lf %sBps"
GPRINT:v2-inmax:"%6.2lf %sBps"
COMMENT:" "
GPRINT:v2-out:"%6.2lf %sBps"
GPRINT:v2-outmax:"%6.2lf %sBps"
COMMENT:" host2.mydomain\n"
AREA:3-in#7F7FFF:"x.y.z.3 ":STACK
GPRINT:v3-in:"%6.2lf %sBps"
GPRINT:v3-inmax:"%6.2lf %sBps"
COMMENT:" "
GPRINT:v3-out:"%6.2lf %sBps"
GPRINT:v3-outmax:"%6.2lf %sBps"
COMMENT:" fw.furness.net\n"
....
AREA:254-in#FF3F3F:"x.y.z.254":STACK
GPRINT:v254-in:"%6.2lf %sBps"
GPRINT:v254-inmax:"%6.2lf %sBps"
COMMENT:" "
GPRINT:v254-out:"%6.2lf %sBps"
GPRINT:v254-outmax:"%6.2lf %sBps"
COMMENT:" gate.mydomain\n"
AREA:i1-out#FF7F7F:
AREA:i2-out#7FFF7F::STACK
AREA:i3-out#7F7FFF::STACK
....
AREA:i254-out#FF3F3F::STACK
COMMENT:"\n"
COMMENT:"In avg"
GPRINT:vdatainavg:"%6.2lf %sBps\n"
COMMENT:"Out avg"
GPRINT:vdataoutavg:"%6.2lf %sBps"
COMMENT:" Data to 11\:00 Wed 03 Jan 2007\n"
>
</p>
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