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tdb |
1.1 |
#!/usr/bin/perl -w |
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tdb |
1.2 |
# |
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# i-scream central monitoring system |
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tdb |
1.14 |
# http://www.i-scream.org |
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tdb |
1.2 |
# Copyright (C) 2000-2002 i-scream |
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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; either version 2 |
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# of the License, or (at your option) any later version. |
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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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tdb |
1.1 |
# ----------------------------------------------------------- |
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# i-scream graph generation script |
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tdb |
1.14 |
# http://www.i-scream.org |
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tdb |
1.1 |
# |
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# Generates graphs from rrd databases for i-scream data. |
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# |
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# $Author: tdb $ |
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tdb |
1.14 |
# $Id: graph.pl,v 1.13 2004/03/04 11:27:30 tdb Exp $ |
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tdb |
1.1 |
#------------------------------------------------------------ |
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## TODO |
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# possibly make more configurable? |
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# -- allow configurable periods of graphs |
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# -- comments, types, etc |
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tdb |
1.5 |
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tdb |
1.13 |
BEGIN { |
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push (@INC, "/usr/local/packages/rrdtool/lib/perl5/site_perl/5.8.2/sun4-solaris"); |
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} |
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tdb |
1.14 |
my($version) = '$Id: graph.pl,v 1.13 2004/03/04 11:27:30 tdb Exp $'; |
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tdb |
1.1 |
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$| = 1; |
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tdb |
1.5 |
|
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tdb |
1.1 |
use strict; |
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tdb |
1.5 |
use Getopt::Std; |
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tdb |
1.1 |
use RRDs; |
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tdb |
1.5 |
# define variables that will be read from the config |
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# nb. keep this insync with the config file! |
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use vars qw{ |
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$imgdir $rrddir |
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$maxrrdage $maximgage $deleterrds $deleteimgs |
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$hex_slash $hex_underscore |
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$rrdstep $retry_wait |
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$verbose $quiet |
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}; |
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# default locate of the config file |
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my($configfile) = "rrdgraphing.conf"; |
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# check for command line arguments |
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my(%opts); |
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my($ret) = getopts('hvqVc:', \%opts); |
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# if invalid argument given, $ret will not be 1 |
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&usage() if $ret != 1; |
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# first process the arguments which might mean we exit now |
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# -h is usage |
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if($opts{h}) { |
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&usage(); |
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} |
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# -V is version |
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if($opts{V}) { |
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print "graph.pl version: $version\n"; |
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exit(1); |
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} |
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# Then try getting the config |
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# -c specifies the config file location |
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if($opts{c}) { |
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$configfile = $opts{c}; |
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} |
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# suck in the config |
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&log("reading config from $configfile\n"); |
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do $configfile; |
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# Then any options we might want to override the config with |
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# -v is verbose |
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if($opts{v}) { |
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$verbose = $opts{v}; |
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} |
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# -q is verbose |
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if($opts{q}) { |
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$quiet = $opts{q}; |
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# if we're meant to be quiet, we can hardly be verbose! |
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$verbose = 0; |
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} |
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tdb |
1.1 |
# Read the contents of the base directory |
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# and pull out the list of subdirectories (except . and .. :) |
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opendir(DIR, $rrddir); |
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tdb |
1.13 |
my(@rrddirlist) = sort grep { -d "$rrddir/$_" && !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
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tdb |
1.1 |
closedir DIR; |
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tdb |
1.13 |
# look through each directory, as they might |
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tdb |
1.1 |
# contain rrds for a particular machine |
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foreach my $machine (@rrddirlist) { |
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# Read the contents of the directory |
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opendir(DIR, "$rrddir/$machine"); |
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my(@rrdlist) = grep { /\.rrd$/ && -f "$rrddir/$machine/$_" } readdir(DIR); |
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closedir DIR; |
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# See what rrd we have, and generate the graphs accordingly |
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foreach my $rrd (@rrdlist) { |
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chomp $rrd; |
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tdb |
1.3 |
# stat the file |
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my($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime, |
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$ctime,$blksize,$blocks) = stat("$rrddir/$machine/$rrd"); |
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# check if it's old enough to be deleted |
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if((time - $mtime) > $maxrrdage) { |
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tdb |
1.4 |
# do we delete the rrd, or just ignore it? |
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if($deleterrds) { |
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# if so, delete it |
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unlink("$rrddir/$machine/$rrd"); |
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tdb |
1.5 |
&log("deleted old rrd $rrddir/$machine/$rrd\n"); |
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} |
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else { |
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&log("ignored old rrd $rrddir/$machine/$rrd\n"); |
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tdb |
1.4 |
} |
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tdb |
1.3 |
# no more processing required for this rrd |
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next; |
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} |
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tdb |
1.1 |
if($rrd =~ /^(cpu)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
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tdb |
1.13 |
push @data, "AREA:$1:swap:swap#FF00FF:OK:swap cpu "; |
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push @data, "STACK:$1:iowait:iowait#FF0000:OK:iowait cpu"; |
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push @data, "STACK:$1:kernel:kernel#00FFFF:OK:kernel cpu"; |
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push @data, "STACK:$1:user:user#0000FF:OK:user cpu "; |
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#push @data, "STACK:$1:idle:idle#00FF00:OK:idle cpu "; |
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tdb |
1.1 |
push @rawdata, "--upper-limit=100"; |
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tdb |
1.10 |
&makegraph($machine, $1, "CPU Usage for $machine", "% cpu time", \@data, \@rawdata); |
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tdb |
1.1 |
} |
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if($rrd =~ /^(mem)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
153 |
tdb |
1.11 |
# we don't actually want to display free or total memory, |
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# although we need it to work out peruse... |
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tdb |
1.7 |
push @data, "NONE:$1:free:free#CCCCFF:NONE:free memory"; |
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tdb |
1.11 |
push @data, "NONE:$1:total:total#0000FF:NONE:total memory\\n"; |
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tdb |
1.13 |
push @data, "NONE:$1:cache:cache#0000FF:NONE:cache memory\\n"; |
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tdb |
1.11 |
# calculate peruse - note that we only use 'free' if it's less than total |
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# (this is to avoid negative percentages :) |
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push @rawdata, "CDEF:peruse=total,free,total,LT,free,0,IF,-,total,/,100,*"; |
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tdb |
1.13 |
push @rawdata, "CDEF:percacuse=cache,total,LT,cache,0,IF,total,/,100,*"; |
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tdb |
1.1 |
# and add it to the graph |
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tdb |
1.11 |
push @rawdata, "AREA:peruse#CCCCFF:% memory in use"; |
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tdb |
1.13 |
&addlegend(\@rawdata, "peruse"); |
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push @rawdata, "LINE2:percacuse#0000FF:% memory cache "; |
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&addlegend(\@rawdata, "percacuse"); |
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tdb |
1.11 |
push @rawdata, "--upper-limit=100"; |
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tdb |
1.12 |
push @rawdata, "--base=1024"; |
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tdb |
1.11 |
# put the total memory on the graph so we can map percentages to real values |
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tdb |
1.12 |
push @rawdata, "GPRINT:total:LAST:Current total memory\\: \%.2lf %sb\\c"; |
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tdb |
1.11 |
&makegraph($machine, $1, "Memory Usage for $machine", "% memory in use", \@data, \@rawdata); |
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tdb |
1.1 |
} |
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if($rrd =~ /^(load)\.rrd$/) { |
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my(@data); |
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tdb |
1.8 |
push @data, "LINE2:$1:load1:load1#CCCCFF:OK: 1 min load average"; |
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push @data, "LINE2:$1:load5:load5#7777FF:OK: 5 min load average"; |
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push @data, "LINE2:$1:load15:load15#0000FF:OK:15 min load average"; |
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tdb |
1.10 |
&makegraph($machine, $1, "Loads for $machine", "load average", \@data); |
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tdb |
1.1 |
} |
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if($rrd =~ /^(proc)\.rrd$/) { |
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my(@data); |
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tdb |
1.13 |
push @data, "AREA:$1:stopped:stopped#00FFFF:OK:stopped processes "; |
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push @data, "STACK:$1:zombie:zombie#FF0000:OK:zombie processes "; |
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push @data, "STACK:$1:cpu:cpu#00FF00:OK:cpu processes "; |
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push @data, "STACK:$1:sleeping:sleeping#0000FF:OK:sleeping processes"; |
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#push @data, "LINE2:$1:total:total#FF00FF:OK:total processes "; |
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tdb |
1.10 |
&makegraph($machine, $1, "Processes on $machine", "no. of processes", \@data); |
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tdb |
1.1 |
} |
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if($rrd =~ /^(swap)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
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tdb |
1.11 |
# we don't actually want to display free or total swap, |
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# although we need it to work out peruse... |
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tdb |
1.7 |
push @data, "NONE:$1:free:free#CCCCFF:NONE:free swap"; |
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tdb |
1.11 |
push @data, "NONE:$1:total:total#0000FF:NONE:total swap\\n"; |
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# calculate peruse - note that we only use 'free' if it's less than total |
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# (this is to avoid negative percentages :) |
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push @rawdata, "CDEF:peruse=total,free,total,LT,free,0,IF,-,total,/,100,*"; |
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tdb |
1.1 |
# and add it to the graph |
200 |
tdb |
1.11 |
push @rawdata, "AREA:peruse#CCCCFF:% swap in use"; |
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push @rawdata, "--upper-limit=100"; |
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tdb |
1.12 |
push @rawdata, "--base=1024"; |
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tdb |
1.7 |
# add some nice values to the legend |
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tdb |
1.11 |
&addlegend(\@rawdata, "peruse"); |
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# put the total swap on the graph so we can map percentages to real values |
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tdb |
1.12 |
push @rawdata, "GPRINT:total:LAST:Current total swap\\: \%.2lf %sb\\c"; |
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tdb |
1.11 |
&makegraph($machine, $1, "Swap Usage for $machine", "% swap in use", \@data, \@rawdata); |
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tdb |
1.1 |
} |
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if($rrd =~ /^(users)\.rrd$/) { |
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my(@data); |
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tdb |
1.7 |
push @data, "AREA:$1:count:count#CCCCFF:OK:user count"; |
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tdb |
1.10 |
&makegraph($machine, $1, "User Count for $machine", "no. of users", \@data); |
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tdb |
1.1 |
} |
214 |
tdb |
1.11 |
if($rrd =~ /^(paging)\.rrd$/) { |
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my(@data); |
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tdb |
1.13 |
push @data, "AREA:$1:pageins:pageins#00FF00:OK:pages paged in "; |
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tdb |
1.12 |
push @data, "LINE2:$1:pageouts:pageouts#0000FF:OK:pages paged out"; |
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tdb |
1.11 |
&makegraph($machine, $1, "Paging on $machine", "pages per second", \@data); |
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} |
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tdb |
1.12 |
if($rrd =~ /^(disk)-(\S+)\.rrd$/) { |
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tdb |
1.1 |
my(@data); |
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my(@rawdata); |
223 |
tdb |
1.11 |
# we need this lot for our calculations, but we'll never show them |
224 |
tdb |
1.12 |
push @data, "NONE:$1-$2:total:total#0000FF:NONE:total size\\n"; |
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tdb |
1.11 |
push @data, "NONE:$1-$2:used:used#CCCCFF:NONE:used space"; |
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push @data, "NONE:$1-$2:totalinodes:totalinodes#000000:NONE:total inodes"; |
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push @data, "NONE:$1-$2:freeinodes:freeinodes#000000:NONE:free inodes"; |
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# calculate peruse, add it to the graph, and add a legend |
229 |
tdb |
1.12 |
push @rawdata, "CDEF:peruse=used,total,/,100,*"; |
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tdb |
1.11 |
push @rawdata, "AREA:peruse#CCCCFF:% disk used "; |
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&addlegend(\@rawdata, "peruse"); |
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# put the total space on the graph so we can map percentages to real values |
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tdb |
1.12 |
push @rawdata, "GPRINT:total:LAST:Current total space\\: \%.2lf %sb\\c"; |
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tdb |
1.11 |
# calculate perinodeuse, add it to the graph, and add a legend |
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push @rawdata, "CDEF:perinodeuse=totalinodes,freeinodes,totalinodes,LT,freeinodes,0,IF,-,totalinodes,/,100,*"; |
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push @rawdata, "LINE2:perinodeuse#FF4444:% inodes used"; |
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push @rawdata, "--upper-limit=100"; |
238 |
tdb |
1.12 |
push @rawdata, "--base=1024"; |
239 |
tdb |
1.11 |
&addlegend(\@rawdata, "perinodeuse"); |
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# put the total inodes on the graph so we can map percentages to real values |
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push @rawdata, "GPRINT:totalinodes:LAST:Current total inodes\\: \%.2lf %s\\c"; |
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# some name tidting |
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tdb |
1.1 |
my($type) = $1; |
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my($name) = $2; |
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my($nicename) = $2; |
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$nicename =~ s/$hex_slash/\//g; |
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$nicename =~ s/$hex_underscore/_/g; |
248 |
tdb |
1.11 |
&makegraph($machine, "$type-$name", "Disk Usage for $machine on $nicename", "% usage", \@data, \@rawdata); |
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tdb |
1.1 |
} |
250 |
tdb |
1.12 |
if($rrd =~ /^(diskio)-(\S+)\.rrd$/) { |
251 |
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my(@data); |
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my(@rawdata); |
253 |
tdb |
1.13 |
push @data, "AREA:$1-$2:rbytes:rbytes#00FF00:OK:read bytes "; |
254 |
tdb |
1.12 |
push @data, "LINE2:$1-$2:wbytes:wbytes#0000FF:OK:write bytes"; |
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push @rawdata, "--base=1024"; |
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&makegraph($machine, "$1-$2", "Disk IO for $machine on $2", "bytes per second", \@data, \@rawdata); |
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} |
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if($rrd =~ /^(net)-(\S+)\.rrd$/) { |
259 |
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my(@data); |
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my(@rawdata); |
261 |
tdb |
1.13 |
push @data, "AREA:$1-$2:rx:rx#00FF00:OK:received bytes "; |
262 |
tdb |
1.12 |
push @data, "LINE2:$1-$2:tx:tx#0000FF:OK:transfered bytes"; |
263 |
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push @rawdata, "--base=1024"; |
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&makegraph($machine, "$1-$2", "Network IO for $machine on $2", "bytes per second", \@data, \@rawdata); |
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} |
266 |
tdb |
1.13 |
if($rrd =~ /^(mailq)-(\S+)\.rrd$/) { |
267 |
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my(@data); |
268 |
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my(@rawdata); |
269 |
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push @data, "LINE2:$1-$2:size:size#0000FF:OK:messages"; |
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&makegraph($machine, "$1-$2", "Mail Queue ($2) Size for $machine", "messages in queue", \@data, \@rawdata); |
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} |
272 |
tdb |
1.1 |
# probably a queue with a name like this :) |
273 |
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if($rrd =~ /^(\d+)_0\.rrd$/) { |
274 |
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my(@data); |
275 |
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my(@rawdata); |
276 |
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my($baserrd) = $1; |
277 |
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my($i) = 0; |
278 |
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while( -f "$rrddir/$machine/$baserrd\_$i.rrd" ) { |
279 |
tdb |
1.7 |
push @data, "LINE2:$baserrd\_$i:size:size$i" . &get_colour($i) . ":OK:queue$i size "; |
280 |
tdb |
1.1 |
++$i; |
281 |
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} |
282 |
tdb |
1.9 |
push @data, "LINE2:$baserrd\_0:total:total#FF0000:OK:packets/sec "; |
283 |
tdb |
1.1 |
my($comment); |
284 |
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if(-f "$rrddir/$machine/$baserrd.def") { |
285 |
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open(DEF, "$rrddir/$machine/$baserrd.def"); |
286 |
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$comment = <DEF>; |
287 |
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chomp $comment if defined $comment; |
288 |
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} |
289 |
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$comment = "unknown queue" if not defined $comment; |
290 |
tdb |
1.10 |
&makegraph($machine, $baserrd, $comment, "", \@data, \@rawdata); |
291 |
tdb |
1.1 |
} |
292 |
tdb |
1.3 |
} |
293 |
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# have a last check, maybe we can remove the directory now? |
294 |
tdb |
1.4 |
# (only if we're deleting stuff) |
295 |
|
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if($deleterrds) { |
296 |
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# Read the contents of the directory |
297 |
|
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opendir(DIR, "$rrddir/$machine"); |
298 |
|
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my(@dirlist) = grep { !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
299 |
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closedir DIR; |
300 |
|
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if($#dirlist == -1) { |
301 |
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rmdir "$rrddir/$machine"; |
302 |
tdb |
1.5 |
&log("deleting empty rrd directory $rrddir/$machine\n"); |
303 |
tdb |
1.4 |
} |
304 |
tdb |
1.3 |
} |
305 |
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} |
306 |
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|
307 |
tdb |
1.4 |
if($deleteimgs) { |
308 |
|
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# Read the contents of the graphs directory |
309 |
|
|
# and pull out the list of subdirectories (except . and .. :) |
310 |
|
|
opendir(DIR, $imgdir); |
311 |
tdb |
1.13 |
my(@imgdirlist) = sort grep { -d "$imgdir/$_" && !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
312 |
tdb |
1.3 |
closedir DIR; |
313 |
|
|
|
314 |
tdb |
1.4 |
# look through each directoty, as they might |
315 |
|
|
# contain images for a particular machine |
316 |
|
|
foreach my $machine (@imgdirlist) { |
317 |
|
|
# Read the contents of the directory |
318 |
|
|
opendir(DIR, "$imgdir/$machine"); |
319 |
|
|
my(@imglist) = grep { /\.png$/ && -f "$imgdir/$machine/$_" } readdir(DIR); |
320 |
|
|
closedir DIR; |
321 |
|
|
|
322 |
|
|
# See what rrd we have, and generate the graphs accordingly |
323 |
|
|
foreach my $img (@imglist) { |
324 |
|
|
chomp $img; |
325 |
|
|
# stat the img |
326 |
|
|
my($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime, |
327 |
|
|
$ctime,$blksize,$blocks) = stat("$imgdir/$machine/$img"); |
328 |
|
|
# check if it's old enough to be deleted |
329 |
|
|
if((time - $mtime) > $maximgage) { |
330 |
|
|
# if so, delete it |
331 |
|
|
unlink("$imgdir/$machine/$img"); |
332 |
tdb |
1.5 |
&log("deleted old image $imgdir/$machine/$img\n"); |
333 |
tdb |
1.4 |
} |
334 |
|
|
} |
335 |
|
|
# have a last check, maybe we can remove the directory now? |
336 |
|
|
# Read the contents of the directory |
337 |
|
|
opendir(DIR, "$imgdir/$machine"); |
338 |
|
|
my(@dirlist) = grep { !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
339 |
|
|
closedir DIR; |
340 |
|
|
if($#dirlist == -1) { |
341 |
|
|
rmdir "$imgdir/$machine"; |
342 |
tdb |
1.5 |
&log("deleted empty image directory $imgdir/$machine\n"); |
343 |
tdb |
1.3 |
} |
344 |
|
|
} |
345 |
tdb |
1.1 |
} |
346 |
tdb |
1.4 |
|
347 |
|
|
exit(0); |
348 |
|
|
|
349 |
tdb |
1.1 |
|
350 |
|
|
# |
351 |
|
|
# subroutine to make some graphs |
352 |
|
|
# |
353 |
|
|
# $machine = name of the machine |
354 |
|
|
# (eg. kernow.ukc.ac.uk) |
355 |
|
|
# $type = the type of graph for the machine |
356 |
|
|
# (eg. cpu) |
357 |
|
|
# $title = the title for the graph |
358 |
|
|
# (eg. kernow CPU usage) |
359 |
tdb |
1.10 |
# $vlabel = the vertical label to apply to the left side of the graph |
360 |
|
|
# (eg. kb/s) |
361 |
tdb |
1.1 |
# $dataref = a reference to an array containing information for the graph |
362 |
tdb |
1.7 |
# elements of format: "gtype:rrdname:dsname:name#colour:legend:comment with spaces" |
363 |
tdb |
1.1 |
# (if gtype is "NONE" only a DEF of 'name' will be defined, no line will be plotted) |
364 |
tdb |
1.7 |
# (if legend is "NONE" the latest/average/max/min legend won't be printed) |
365 |
tdb |
1.1 |
# $rawcmdref = a reference to an array containing raw rrd commands |
366 |
|
|
# elements a single command each, no spaces |
367 |
|
|
# |
368 |
|
|
|
369 |
|
|
sub makegraph() { |
370 |
tdb |
1.10 |
my($machine, $type, $title, $vlabel, $dataref, $rawcmdref) = @_; |
371 |
tdb |
1.1 |
# pass in these arrays by reference |
372 |
|
|
my(@data) = @$dataref if defined $dataref; |
373 |
|
|
my(@rawcmd) = @$rawcmdref if defined $rawcmdref; |
374 |
|
|
# check if directory exists for images |
375 |
|
|
if(! -d "$imgdir/$machine") { |
376 |
|
|
# not sure on this umask, but it seems to work? |
377 |
|
|
mkdir "$imgdir/$machine", 0777; |
378 |
tdb |
1.5 |
&log("created directory $imgdir/$machine\n"); |
379 |
tdb |
1.1 |
} |
380 |
|
|
my(@rrdcmd); |
381 |
|
|
foreach my $dataitem (@data) { |
382 |
tdb |
1.7 |
# dataitem should be: "gtype:rrdname:dsname:name#colour:legend:comment with spaces" |
383 |
tdb |
1.1 |
# (if gtype is "NONE" only a DEF of 'name' will be defined, no line will be plotted) |
384 |
tdb |
1.7 |
# (if legend is "NONE" the latest/average/max/min legend won't be printed) |
385 |
|
|
if($dataitem =~ /^(\S+):(\S+):(\S+):(\S+)#(.{6}):(\S+):(.*)$/) { |
386 |
tdb |
1.1 |
push @rrdcmd, "DEF:$4=$rrddir/$machine/$2.rrd:$3:AVERAGE"; |
387 |
|
|
if($1 ne "NONE") { |
388 |
tdb |
1.8 |
push @rrdcmd, "$1:$4#$5:$7"; |
389 |
tdb |
1.7 |
if($6 ne "NONE") { |
390 |
|
|
# add some nice values to the legend |
391 |
|
|
&addlegend(\@rrdcmd, $4); |
392 |
|
|
} |
393 |
tdb |
1.1 |
} |
394 |
|
|
} |
395 |
|
|
} |
396 |
|
|
push @rrdcmd, "--title=$title"; |
397 |
|
|
push @rrdcmd, "--imgformat=PNG"; |
398 |
|
|
push @rrdcmd, "--lower-limit=0"; |
399 |
tdb |
1.10 |
push @rrdcmd, "--vertical-label=$vlabel"; |
400 |
tdb |
1.1 |
# not entirely convinced this is good... |
401 |
|
|
push @rrdcmd, "--alt-autoscale-max"; |
402 |
|
|
# add any further raw commands |
403 |
|
|
push @rrdcmd, @rawcmd; |
404 |
|
|
RRDs::graph ("$imgdir/$machine/$type-3h.png", "--start=-10800", @rrdcmd); |
405 |
|
|
my($err_3h) = RRDs::error; |
406 |
tdb |
1.5 |
&log("created $imgdir/$machine/$type-3h.png\n") unless $err_3h; |
407 |
|
|
&error("Error generating 3h graph for $machine/$type: $err_3h\n") if $err_3h; |
408 |
tdb |
1.1 |
RRDs::graph ("$imgdir/$machine/$type-1d.png", "--start=-86400", @rrdcmd); |
409 |
|
|
my($err_1d) = RRDs::error; |
410 |
tdb |
1.5 |
&log("created $imgdir/$machine/$type-1d.png\n") unless $err_1d; |
411 |
|
|
&error("Error generating 1d graph for $machine/$type: $err_1d\n") if $err_1d; |
412 |
tdb |
1.1 |
RRDs::graph ("$imgdir/$machine/$type-1w.png", "--start=-604800", @rrdcmd); |
413 |
|
|
my($err_1w) = RRDs::error; |
414 |
tdb |
1.5 |
&log("created $imgdir/$machine/$type-1w.png\n") unless $err_1w; |
415 |
|
|
&error("Error generating 1w graph for $machine/$type: $err_1w\n") if $err_1w; |
416 |
tdb |
1.1 |
RRDs::graph ("$imgdir/$machine/$type-1m.png", "--start=-2678400", @rrdcmd); |
417 |
|
|
my($err_1m) = RRDs::error; |
418 |
tdb |
1.5 |
&log("created $imgdir/$machine/$type-1m.png\n") unless $err_1m; |
419 |
|
|
&error("Error generating 1m graph for $machine/$type: $err_1m\n") if $err_1m; |
420 |
tdb |
1.1 |
RRDs::graph ("$imgdir/$machine/$type-1y.png", "--start=-31536000", @rrdcmd); |
421 |
|
|
my($err_1y) = RRDs::error; |
422 |
tdb |
1.5 |
&log("created $imgdir/$machine/$type-1y.png\n") unless $err_1y; |
423 |
|
|
&error("Error generating 1y graph for $machine/$type: $err_1y\n") if $err_1y; |
424 |
tdb |
1.1 |
return; |
425 |
tdb |
1.7 |
} |
426 |
|
|
|
427 |
|
|
# subroutine to add a legend |
428 |
|
|
# accepts reference to an array and a name |
429 |
|
|
sub addlegend() { |
430 |
|
|
my($dataref, $name) = @_; |
431 |
tdb |
1.8 |
push @$dataref, "GPRINT:$name:LAST:Current\\: \%8.2lf %s"; |
432 |
|
|
push @$dataref, "GPRINT:$name:AVERAGE:Average\\: \%8.2lf %s"; |
433 |
|
|
push @$dataref, "GPRINT:$name:MAX:Max\\: \%8.2lf %s\\n"; |
434 |
tdb |
1.1 |
} |
435 |
|
|
|
436 |
|
|
# hacky subroutine to return a colour |
437 |
|
|
# could be done much better somehow :/ |
438 |
|
|
sub get_colour { |
439 |
|
|
my($col) = @_; |
440 |
|
|
if($col == 0) { |
441 |
|
|
return "#0000FF"; |
442 |
|
|
} |
443 |
|
|
elsif($col == 1) { |
444 |
|
|
return "#00FF00"; |
445 |
|
|
} |
446 |
|
|
elsif($col == 2) { |
447 |
|
|
return "#FF00FF"; |
448 |
|
|
} |
449 |
|
|
elsif($col == 3) { |
450 |
|
|
return "#FFFF00"; |
451 |
|
|
} |
452 |
|
|
elsif($col == 4) { |
453 |
|
|
return "#00FFFF"; |
454 |
|
|
} |
455 |
|
|
else { |
456 |
|
|
return "#000066"; |
457 |
|
|
} |
458 |
tdb |
1.5 |
} |
459 |
|
|
|
460 |
|
|
# prints out usage information then exits |
461 |
|
|
sub usage() { |
462 |
|
|
print "Usage: graph.pl [options]\n"; |
463 |
|
|
print "Options\n"; |
464 |
|
|
print " -c config Specifies the configuration file\n"; |
465 |
|
|
print " default: rrdgraphing.conf\n"; |
466 |
|
|
print " -v Be verbose about what's happening\n"; |
467 |
|
|
print " -q Be quiet, even supress errors\n"; |
468 |
|
|
print " -V Print version number\n"; |
469 |
|
|
print " -h Prints this help page\n"; |
470 |
|
|
exit(1); |
471 |
|
|
} |
472 |
|
|
|
473 |
|
|
# prints a log message if verbose is turned on |
474 |
|
|
sub log() { |
475 |
|
|
my($msg) = @_; |
476 |
|
|
print $msg if $verbose; |
477 |
|
|
} |
478 |
|
|
|
479 |
|
|
# prints an error message unless quiet is turned on |
480 |
|
|
sub error() { |
481 |
|
|
my($msg) = @_; |
482 |
|
|
print STDERR $msg unless $quiet; |
483 |
tdb |
1.1 |
} |