| 33 |
|
# possibly make more configurable? |
| 34 |
|
# -- allow configurable periods of graphs |
| 35 |
|
# -- comments, types, etc |
| 36 |
– |
# -- move all to external config file |
| 36 |
|
|
| 37 |
+ |
my($version) = '$Id$'; |
| 38 |
+ |
|
| 39 |
|
$| = 1; |
| 40 |
+ |
|
| 41 |
|
use strict; |
| 42 |
+ |
use Getopt::Std; |
| 43 |
|
use RRDs; |
| 44 |
|
|
| 45 |
< |
# Base directory for images |
| 46 |
< |
# (a directory will be constructed for each host under this) |
| 47 |
< |
my($imgdir) = "/home/pkg/iscream/public_html/graphs"; |
| 45 |
> |
# define variables that will be read from the config |
| 46 |
> |
# nb. keep this insync with the config file! |
| 47 |
> |
use vars qw{ |
| 48 |
> |
$imgdir $rrddir |
| 49 |
> |
$maxrrdage $maximgage $deleterrds $deleteimgs |
| 50 |
> |
$hex_slash $hex_underscore |
| 51 |
> |
$rrdstep $retry_wait |
| 52 |
> |
$verbose $quiet |
| 53 |
> |
}; |
| 54 |
|
|
| 55 |
< |
# Location of RRD databases |
| 56 |
< |
my($rrddir) = "/u1/i-scream/databases"; |
| 55 |
> |
# default locate of the config file |
| 56 |
> |
my($configfile) = "rrdgraphing.conf"; |
| 57 |
|
|
| 58 |
< |
# / converted to a decimal then hex'd |
| 59 |
< |
my($hex_slash) = "_2f"; |
| 60 |
< |
# _ converted to a decimal then hex'd |
| 52 |
< |
my($hex_underscore) = "_5f"; |
| 58 |
> |
# check for command line arguments |
| 59 |
> |
my(%opts); |
| 60 |
> |
my($ret) = getopts('hvqVc:', \%opts); |
| 61 |
|
|
| 62 |
< |
# maximum age (last modified) before an rrd or graph get cleaned up |
| 63 |
< |
# (in seconds) |
| 56 |
< |
my($maxrrdage) = 3600; # 1 hour |
| 57 |
< |
my($maximgage) = 3600; # 1 hour |
| 62 |
> |
# if invalid argument given, $ret will not be 1 |
| 63 |
> |
&usage() if $ret != 1; |
| 64 |
|
|
| 65 |
< |
# delete rrd's when they get cleaned up? |
| 60 |
< |
# if unset, will just ignore the rrd's |
| 61 |
< |
# - usually best to leave this off, we don't want to delete useful rrds :) |
| 62 |
< |
my($deleterrds) = 0; |
| 65 |
> |
# first process the arguments which might mean we exit now |
| 66 |
|
|
| 67 |
< |
# delete graphs when they get cleaned up? |
| 68 |
< |
# if unset, won't bother checking at all |
| 69 |
< |
# - usually best to leave this on |
| 70 |
< |
my($deleteimgs) = 1; |
| 71 |
< |
|
| 67 |
> |
# -h is usage |
| 68 |
> |
if($opts{h}) { |
| 69 |
> |
&usage(); |
| 70 |
> |
} |
| 71 |
> |
# -V is version |
| 72 |
> |
if($opts{V}) { |
| 73 |
> |
print "graph.pl version: $version\n"; |
| 74 |
> |
exit(1); |
| 75 |
> |
} |
| 76 |
> |
|
| 77 |
> |
# Then try getting the config |
| 78 |
> |
|
| 79 |
> |
# -c specifies the config file location |
| 80 |
> |
if($opts{c}) { |
| 81 |
> |
$configfile = $opts{c}; |
| 82 |
> |
} |
| 83 |
> |
# suck in the config |
| 84 |
> |
&log("reading config from $configfile\n"); |
| 85 |
> |
do $configfile; |
| 86 |
> |
|
| 87 |
> |
# Then any options we might want to override the config with |
| 88 |
> |
|
| 89 |
> |
# -v is verbose |
| 90 |
> |
if($opts{v}) { |
| 91 |
> |
$verbose = $opts{v}; |
| 92 |
> |
} |
| 93 |
> |
# -q is verbose |
| 94 |
> |
if($opts{q}) { |
| 95 |
> |
$quiet = $opts{q}; |
| 96 |
> |
# if we're meant to be quiet, we can hardly be verbose! |
| 97 |
> |
$verbose = 0; |
| 98 |
> |
} |
| 99 |
> |
|
| 100 |
> |
|
| 101 |
|
# Read the contents of the base directory |
| 102 |
|
# and pull out the list of subdirectories (except . and .. :) |
| 103 |
|
opendir(DIR, $rrddir); |
| 124 |
|
if($deleterrds) { |
| 125 |
|
# if so, delete it |
| 126 |
|
unlink("$rrddir/$machine/$rrd"); |
| 127 |
+ |
&log("deleted old rrd $rrddir/$machine/$rrd\n"); |
| 128 |
|
} |
| 129 |
+ |
else { |
| 130 |
+ |
&log("ignored old rrd $rrddir/$machine/$rrd\n"); |
| 131 |
+ |
} |
| 132 |
|
# no more processing required for this rrd |
| 133 |
|
next; |
| 134 |
|
} |
| 135 |
|
if($rrd =~ /^(cpu)\.rrd$/) { |
| 136 |
|
my(@data); |
| 137 |
|
my(@rawdata); |
| 138 |
< |
push @data, "LINE2:$1:idle:idle#00FF00:idle cpu"; |
| 139 |
< |
push @data, "LINE2:$1:user:user#0000FF:user cpu"; |
| 140 |
< |
push @data, "LINE2:$1:kernel:kernel#00FFFF:kernel cpu"; |
| 141 |
< |
push @data, "LINE2:$1:swap:swap#FF00FF:swap cpu"; |
| 142 |
< |
push @data, "LINE2:$1:iowait:iowait#FF0000:iowait cpu"; |
| 138 |
> |
push @data, "LINE2:$1:idle:idle#00FF00:OK:idle cpu"; |
| 139 |
> |
push @data, "LINE2:$1:user:user#0000FF:OK:user cpu"; |
| 140 |
> |
push @data, "LINE2:$1:kernel:kernel#00FFFF:OK:kernel cpu"; |
| 141 |
> |
push @data, "LINE2:$1:swap:swap#FF00FF:OK:swap cpu"; |
| 142 |
> |
push @data, "LINE2:$1:iowait:iowait#FF0000:OK:iowait cpu"; |
| 143 |
|
push @rawdata, "--upper-limit=100"; |
| 144 |
|
&makegraph($machine, $1, "CPU Usage for $machine", \@data, \@rawdata); |
| 145 |
|
} |
| 148 |
|
my(@rawdata); |
| 149 |
|
# we don't actually want to display free memory, |
| 150 |
|
# although we need it to do inuse... |
| 151 |
< |
push @data, "NONE:$1:free:free#CCCCFF:free memory"; |
| 152 |
< |
push @data, "LINE2:$1:total:total#0000FF:total memory"; |
| 151 |
> |
push @data, "NONE:$1:free:free#CCCCFF:NONE:free memory"; |
| 152 |
> |
push @data, "LINE2:$1:total:total#0000FF:NONE:total memory"; |
| 153 |
|
# calculate inuse |
| 154 |
|
push @rawdata, "CDEF:inuse=total,free,-"; |
| 155 |
|
# and add it to the graph |
| 156 |
< |
push @rawdata, "AREA:inuse#CCCCFF:memory in use"; |
| 156 |
> |
push @rawdata, "AREA:inuse#CCCCFF:memory in use\\l"; |
| 157 |
|
push @rawdata, "--base=1024"; |
| 158 |
+ |
# add some nice values to the legend |
| 159 |
+ |
&addlegend(\@rawdata, "inuse"); |
| 160 |
|
&makegraph($machine, $1, "Memory Usage for $machine", \@data, \@rawdata); |
| 161 |
|
} |
| 162 |
|
if($rrd =~ /^(load)\.rrd$/) { |
| 163 |
|
my(@data); |
| 164 |
< |
push @data, "LINE2:$1:load1:load1#CCCCFF:1 minute load average"; |
| 165 |
< |
push @data, "LINE2:$1:load5:load5#7777FF:5 minute load average"; |
| 166 |
< |
push @data, "LINE2:$1:load15:load15#0000FF:15 minute load average"; |
| 164 |
> |
push @data, "LINE2:$1:load1:load1#CCCCFF:OK:1 minute load average"; |
| 165 |
> |
push @data, "LINE2:$1:load5:load5#7777FF:OK:5 minute load average"; |
| 166 |
> |
push @data, "LINE2:$1:load15:load15#0000FF:OK:15 minute load average"; |
| 167 |
|
&makegraph($machine, $1, "Loads for $machine", \@data); |
| 168 |
|
} |
| 169 |
|
if($rrd =~ /^(proc)\.rrd$/) { |
| 170 |
|
my(@data); |
| 171 |
< |
push @data, "LINE2:$1:cpu:cpu#00FF00:cpu processes"; |
| 172 |
< |
push @data, "LINE2:$1:sleeping:sleeping#0000FF:sleeping processes"; |
| 173 |
< |
push @data, "LINE2:$1:stopped:stopped#00FFFF:stopped processes"; |
| 174 |
< |
push @data, "LINE2:$1:total:total#FF00FF:total processes"; |
| 175 |
< |
push @data, "LINE2:$1:zombie:zombie#FF0000:zombie processes"; |
| 171 |
> |
push @data, "LINE2:$1:cpu:cpu#00FF00:OK:cpu processes"; |
| 172 |
> |
push @data, "LINE2:$1:sleeping:sleeping#0000FF:OK:sleeping processes"; |
| 173 |
> |
push @data, "LINE2:$1:stopped:stopped#00FFFF:OK:stopped processes"; |
| 174 |
> |
push @data, "LINE2:$1:total:total#FF00FF:OK:total processes"; |
| 175 |
> |
push @data, "LINE2:$1:zombie:zombie#FF0000:OK:zombie processes"; |
| 176 |
|
&makegraph($machine, $1, "Processes on $machine", \@data); |
| 177 |
|
} |
| 178 |
|
if($rrd =~ /^(swap)\.rrd$/) { |
| 180 |
|
my(@rawdata); |
| 181 |
|
# we don't actually want to display free swap, |
| 182 |
|
# although we need it to do inuse... |
| 183 |
< |
push @data, "NONE:$1:free:free#CCCCFF:free swap"; |
| 184 |
< |
push @data, "LINE2:$1:total:total#0000FF:total swap"; |
| 183 |
> |
push @data, "NONE:$1:free:free#CCCCFF:NONE:free swap"; |
| 184 |
> |
push @data, "LINE2:$1:total:total#0000FF:NONE:total swap"; |
| 185 |
|
# calculate inuse |
| 186 |
|
push @rawdata, "CDEF:inuse=total,free,-"; |
| 187 |
|
# and add it to the graph |
| 188 |
< |
push @rawdata, "AREA:inuse#CCCCFF:swap in use"; |
| 188 |
> |
push @rawdata, "AREA:inuse#CCCCFF:swap in use\\l"; |
| 189 |
|
push @rawdata, "--base=1024"; |
| 190 |
+ |
# add some nice values to the legend |
| 191 |
+ |
&addlegend(\@rawdata, "inuse"); |
| 192 |
|
&makegraph($machine, $1, "Swap Usage for $machine", \@data, \@rawdata); |
| 193 |
|
} |
| 194 |
|
if($rrd =~ /^(users)\.rrd$/) { |
| 195 |
|
my(@data); |
| 196 |
< |
push @data, "AREA:$1:count:count#CCCCFF:user count"; |
| 196 |
> |
push @data, "AREA:$1:count:count#CCCCFF:OK:user count"; |
| 197 |
|
&makegraph($machine, $1, "User Count for $machine", \@data); |
| 198 |
|
} |
| 199 |
|
if($rrd =~ /^(disk)-(\S+).rrd$/) { |
| 200 |
|
my(@data); |
| 201 |
|
my(@rawdata); |
| 202 |
< |
push @data, "LINE2:$1-$2:kbytes:kbytes#0000FF:total size"; |
| 203 |
< |
push @data, "AREA:$1-$2:used:used#CCCCFF:used"; |
| 202 |
> |
push @data, "LINE2:$1-$2:kbytes:kbytes#0000FF:NONE:total size"; |
| 203 |
> |
push @data, "AREA:$1-$2:used:used#CCCCFF:OK:used"; |
| 204 |
|
push @rawdata, "--base=1024"; |
| 205 |
|
my($type) = $1; |
| 206 |
|
my($name) = $2; |
| 216 |
|
my($baserrd) = $1; |
| 217 |
|
my($i) = 0; |
| 218 |
|
while( -f "$rrddir/$machine/$baserrd\_$i.rrd" ) { |
| 219 |
< |
push @data, "LINE2:$baserrd\_$i:size:size$i" . &get_colour($i) . ":queue$i size "; |
| 219 |
> |
push @data, "LINE2:$baserrd\_$i:size:size$i" . &get_colour($i) . ":OK:queue$i size "; |
| 220 |
|
++$i; |
| 221 |
|
} |
| 222 |
< |
push @data, "LINE2:$baserrd\_0:total:total#FF0000:packets/sec - currently"; |
| 183 |
< |
push @rawdata, "GPRINT:total:LAST:%lf %spackets/sec"; |
| 222 |
> |
push @data, "LINE2:$baserrd\_0:total:total#FF0000:OK:packets/sec"; |
| 223 |
|
my($comment); |
| 224 |
|
if(-f "$rrddir/$machine/$baserrd.def") { |
| 225 |
|
open(DEF, "$rrddir/$machine/$baserrd.def"); |
| 239 |
|
closedir DIR; |
| 240 |
|
if($#dirlist == -1) { |
| 241 |
|
rmdir "$rrddir/$machine"; |
| 242 |
+ |
&log("deleting empty rrd directory $rrddir/$machine\n"); |
| 243 |
|
} |
| 244 |
|
} |
| 245 |
|
} |
| 269 |
|
if((time - $mtime) > $maximgage) { |
| 270 |
|
# if so, delete it |
| 271 |
|
unlink("$imgdir/$machine/$img"); |
| 272 |
+ |
&log("deleted old image $imgdir/$machine/$img\n"); |
| 273 |
|
} |
| 274 |
|
} |
| 275 |
|
# have a last check, maybe we can remove the directory now? |
| 279 |
|
closedir DIR; |
| 280 |
|
if($#dirlist == -1) { |
| 281 |
|
rmdir "$imgdir/$machine"; |
| 282 |
+ |
&log("deleted empty image directory $imgdir/$machine\n"); |
| 283 |
|
} |
| 284 |
|
} |
| 285 |
|
} |
| 297 |
|
# $title = the title for the graph |
| 298 |
|
# (eg. kernow CPU usage) |
| 299 |
|
# $dataref = a reference to an array containing information for the graph |
| 300 |
< |
# elements of format: "gtype:rrdname:dsname:name#colour:comment with spaces" |
| 300 |
> |
# elements of format: "gtype:rrdname:dsname:name#colour:legend:comment with spaces" |
| 301 |
|
# (if gtype is "NONE" only a DEF of 'name' will be defined, no line will be plotted) |
| 302 |
+ |
# (if legend is "NONE" the latest/average/max/min legend won't be printed) |
| 303 |
|
# $rawcmdref = a reference to an array containing raw rrd commands |
| 304 |
|
# elements a single command each, no spaces |
| 305 |
|
# |
| 313 |
|
if(! -d "$imgdir/$machine") { |
| 314 |
|
# not sure on this umask, but it seems to work? |
| 315 |
|
mkdir "$imgdir/$machine", 0777; |
| 316 |
+ |
&log("created directory $imgdir/$machine\n"); |
| 317 |
|
} |
| 318 |
|
my(@rrdcmd); |
| 319 |
|
foreach my $dataitem (@data) { |
| 320 |
< |
# dataitem should be: "gtype:rrdname:dsname:name#colour:comment with spaces" |
| 320 |
> |
# dataitem should be: "gtype:rrdname:dsname:name#colour:legend:comment with spaces" |
| 321 |
|
# (if gtype is "NONE" only a DEF of 'name' will be defined, no line will be plotted) |
| 322 |
< |
if($dataitem =~ /^(\S+):(\S+):(\S+):(\S+)#(.{6}):(.*)$/) { |
| 322 |
> |
# (if legend is "NONE" the latest/average/max/min legend won't be printed) |
| 323 |
> |
if($dataitem =~ /^(\S+):(\S+):(\S+):(\S+)#(.{6}):(\S+):(.*)$/) { |
| 324 |
|
push @rrdcmd, "DEF:$4=$rrddir/$machine/$2.rrd:$3:AVERAGE"; |
| 325 |
|
if($1 ne "NONE") { |
| 326 |
< |
push @rrdcmd, "$1:$4#$5:$6"; |
| 326 |
> |
push @rrdcmd, "$1:$4#$5:$7\\s"; |
| 327 |
> |
if($6 ne "NONE") { |
| 328 |
> |
# add some nice values to the legend |
| 329 |
> |
&addlegend(\@rrdcmd, $4); |
| 330 |
> |
} |
| 331 |
|
} |
| 332 |
|
} |
| 333 |
|
} |
| 340 |
|
push @rrdcmd, @rawcmd; |
| 341 |
|
RRDs::graph ("$imgdir/$machine/$type-3h.png", "--start=-10800", @rrdcmd); |
| 342 |
|
my($err_3h) = RRDs::error; |
| 343 |
< |
print STDERR "Error generating 3h graph for $machine/$type: $err_3h\n" if $err_3h; |
| 343 |
> |
&log("created $imgdir/$machine/$type-3h.png\n") unless $err_3h; |
| 344 |
> |
&error("Error generating 3h graph for $machine/$type: $err_3h\n") if $err_3h; |
| 345 |
|
RRDs::graph ("$imgdir/$machine/$type-1d.png", "--start=-86400", @rrdcmd); |
| 346 |
|
my($err_1d) = RRDs::error; |
| 347 |
< |
print STDERR "Error generating 1d graph for $machine/$type: $err_1d\n" if $err_1d; |
| 347 |
> |
&log("created $imgdir/$machine/$type-1d.png\n") unless $err_1d; |
| 348 |
> |
&error("Error generating 1d graph for $machine/$type: $err_1d\n") if $err_1d; |
| 349 |
|
RRDs::graph ("$imgdir/$machine/$type-1w.png", "--start=-604800", @rrdcmd); |
| 350 |
|
my($err_1w) = RRDs::error; |
| 351 |
< |
print STDERR "Error generating 1w graph for $machine/$type: $err_1w\n" if $err_1w; |
| 351 |
> |
&log("created $imgdir/$machine/$type-1w.png\n") unless $err_1w; |
| 352 |
> |
&error("Error generating 1w graph for $machine/$type: $err_1w\n") if $err_1w; |
| 353 |
|
RRDs::graph ("$imgdir/$machine/$type-1m.png", "--start=-2678400", @rrdcmd); |
| 354 |
|
my($err_1m) = RRDs::error; |
| 355 |
< |
print STDERR "Error generating 1m graph for $machine/$type: $err_1m\n" if $err_1m; |
| 355 |
> |
&log("created $imgdir/$machine/$type-1m.png\n") unless $err_1m; |
| 356 |
> |
&error("Error generating 1m graph for $machine/$type: $err_1m\n") if $err_1m; |
| 357 |
|
RRDs::graph ("$imgdir/$machine/$type-1y.png", "--start=-31536000", @rrdcmd); |
| 358 |
|
my($err_1y) = RRDs::error; |
| 359 |
< |
print STDERR "Error generating 1y graph for $machine/$type: $err_1y\n" if $err_1y; |
| 359 |
> |
&log("created $imgdir/$machine/$type-1y.png\n") unless $err_1y; |
| 360 |
> |
&error("Error generating 1y graph for $machine/$type: $err_1y\n") if $err_1y; |
| 361 |
|
return; |
| 362 |
|
} |
| 363 |
|
|
| 364 |
+ |
# subroutine to add a legend |
| 365 |
+ |
# accepts reference to an array and a name |
| 366 |
+ |
sub addlegend() { |
| 367 |
+ |
my($dataref, $name) = @_; |
| 368 |
+ |
push @$dataref, "GPRINT:$name:LAST:latest=\%lf\\r"; |
| 369 |
+ |
push @$dataref, "GPRINT:$name:AVERAGE:average=\%lf"; |
| 370 |
+ |
push @$dataref, "GPRINT:$name:MAX:max=\%lf"; |
| 371 |
+ |
push @$dataref, "GPRINT:$name:MIN:min=\%lf\\r"; |
| 372 |
+ |
} |
| 373 |
+ |
|
| 374 |
|
# hacky subroutine to return a colour |
| 375 |
|
# could be done much better somehow :/ |
| 376 |
|
sub get_colour { |
| 393 |
|
else { |
| 394 |
|
return "#000066"; |
| 395 |
|
} |
| 396 |
+ |
} |
| 397 |
+ |
|
| 398 |
+ |
# prints out usage information then exits |
| 399 |
+ |
sub usage() { |
| 400 |
+ |
print "Usage: graph.pl [options]\n"; |
| 401 |
+ |
print "Options\n"; |
| 402 |
+ |
print " -c config Specifies the configuration file\n"; |
| 403 |
+ |
print " default: rrdgraphing.conf\n"; |
| 404 |
+ |
print " -v Be verbose about what's happening\n"; |
| 405 |
+ |
print " -q Be quiet, even supress errors\n"; |
| 406 |
+ |
print " -V Print version number\n"; |
| 407 |
+ |
print " -h Prints this help page\n"; |
| 408 |
+ |
exit(1); |
| 409 |
+ |
} |
| 410 |
+ |
|
| 411 |
+ |
# prints a log message if verbose is turned on |
| 412 |
+ |
sub log() { |
| 413 |
+ |
my($msg) = @_; |
| 414 |
+ |
print $msg if $verbose; |
| 415 |
+ |
} |
| 416 |
+ |
|
| 417 |
+ |
# prints an error message unless quiet is turned on |
| 418 |
+ |
sub error() { |
| 419 |
+ |
my($msg) = @_; |
| 420 |
+ |
print STDERR $msg unless $quiet; |
| 421 |
|
} |
