git.zerfleddert.de Git - upsgraph/blob - upsgraph.pl

   1 #!/usr/bin/perl -w
   2
   3 #Due to memory leak in Debian squeeze (Bug #545519)
   4 my $use_rrds = 0;
   5 my $rrd_result = 0;
   6
   7 if ((@ARGV != 1) && (@ARGV != 2)) {
   8         print STDERR "Syntax: ${0} configfile [uid]\n";
   9         exit(1);
  10 }
  11
  12 use Net::SNMP;
  13 use IO::Socket::INET;
  14 use IO::Select;
  15 use RRDs;
  16 use File::Copy;
  17 use Data::Dumper;
  18
  19 $UPSGRAPH::outdir = "";
  20 $UPSGRAPH::daysCovered = 370;
  21 $UPSGRAPH::step = 60;
  22 $UPSGRAPH::stepsPerHour = (60 * 60) / $UPSGRAPH::step;
  23 $UPSGRAPH::keep = ($UPSGRAPH::daysCovered*24*60*60)/$UPSGRAPH::step;
  24 $UPSGRAPH::keepHours = ($UPSGRAPH::daysCovered*24*60*60)/$UPSGRAPH::stepsPerHour/$UPSGRAPH::step;
  25 $UPSGRAPH::hosts = ();
  26 $UPSGRAPH::regenerateOnStart = 1; #when set, regenerate graphs on script startup
  27
  28 do $ARGV[0] or die "can't read config: $!";
  29
  30 my $outdir = $UPSGRAPH::outdir;
  31 my $step = $UPSGRAPH::step;
  32 my $stepsPerHour = $UPSGRAPH::stepsPerHour;
  33 my $keep = $UPSGRAPH::keep;
  34 my $keepHours = $UPSGRAPH::keepHours;
  35 my $hosts = $UPSGRAPH::hosts;
  36
  37 sub rrd_update(@) {
  38         my @args = @_;
  39         print "Updating: ". Dumper(\@_);
  40         if ($use_rrds == 1) {
  41                 RRDs::update(@args);
  42                 $rrd_result = RRDs::error;
  43         } else {
  44                 $rrd_result = system("rrdtool", "update", @args);
  45         }
  46 }
  47
  48 sub rrd_graph(@) {
  49         my @args = @_;
  50         my @rrd_out = ();
  51         print "Graphing: " . Dumper(\@_);
  52         if ($use_rrds == 1) {
  53                 @rrd_out = RRDs::graph(@args);
  54                 $rrd_result = RRDs::error;
  55         } else {
  56                 my $rrd_stdout;
  57
  58                 open(RRDFD, '-|', 'rrdtool', 'graph', @args);
  59                 while(<RRDFD>) {
  60                         chomp;
  61                         $rrd_stdout = $_;
  62                 }
  63                 close(RRDFD);
  64                 $rrd_result = $?;
  65                 if ($rrd_result == 0) {
  66                         push @rrd_out, 0;
  67                         push @rrd_out, split(/x/, $rrd_stdout);
  68                 }
  69         }
  70
  71         return @rrd_out;
  72 }
  73
  74 sub rrdcreate(@) {
  75         my $newrrd = shift;
  76         my $field = shift;
  77         my $vars = shift;
  78         my $start = shift;
  79
  80         my @cmd = ("${newrrd}", "--step=${step}");
  81
  82         if (defined($start)) {
  83                 push @cmd, "--start=${start}";
  84         }
  85
  86         push @cmd, "DS:${field}:GAUGE:600:" .
  87                 $vars->{$field}->{'min'} . ":" .
  88                 $vars->{$field}->{'max'};
  89
  90         push @cmd, "RRA:AVERAGE:0.5:1:${keep}";
  91         push @cmd, "RRA:MIN:0.4:${stepsPerHour}:${keepHours}";
  92         push @cmd, "RRA:MAX:0.4:${stepsPerHour}:${keepHours}";
  93         push @cmd, "RRA:AVERAGE:0.5:${stepsPerHour}:${keepHours}";
  94
  95         RRDs::create(@cmd);
  96         if (RRDs::error) {
  97                 print "Error while creating: " . RRDs::error . "\n";
  98                 print Dumper(\@cmd);
  99                 exit 1;
 100         }
 101 }
 102
 103 sub fetch_snmp(@) {
 104         my $address = shift;
 105         my $community = shift;
 106         my $oid = shift;
 107
 108         (my $session, my $error) = Net::SNMP->session(Hostname => $address,
 109                         Community => $community);
 110
 111         if (!$session) {
 112                 print STDERR "session error: $error";
 113                 return undef;
 114         }
 115
 116         $session->translate(0);
 117
 118         my $result = $session->get_request($oid);
 119
 120         $session->close;
 121
 122         return undef if (!defined($result));
 123
 124         $result->{$oid};
 125 }
 126
 127 sub fetch_tcp(@) {
 128         my $address = shift;
 129         my $port = shift;
 130
 131         my $sock = IO::Socket::INET->new(PeerAddr => $address,
 132                         PeerPort => $port,
 133                         Proto => 'tcp',
 134                         Timeout => 1);
 135
 136         return undef if (!$sock);
 137
 138         my $select = IO::Select->new($sock);
 139
 140         my $value = undef;
 141
 142         if ($select->can_read(1)) {
 143                 chomp($value) if (sysread($sock, $value, 4096) > 0);
 144         }
 145
 146         close($sock);
 147
 148         if (!$value) {
 149                 return undef;
 150         }
 151
 152         $value=~ s/\s//g;
 153
 154         $value;
 155 }
 156
 157 sub fetch_tcp_multi(@) {
 158         my $address = shift;
 159         my $port = shift;
 160         my $delimiter = shift;
 161         my %values;
 162
 163         my $sock = IO::Socket::INET->new(PeerAddr => $address,
 164                         PeerPort => $port,
 165                         Proto => 'tcp',
 166                         Timeout => 1);
 167
 168         return undef if (!$sock);
 169
 170         my $select = IO::Select->new($sock);
 171
 172         while($select->can_read(1)) {
 173                 if (sysread($sock, my $buf, 16384) > 0) {
 174                         $buf=~s/\r//g;
 175                         foreach my $line (split(/\n/, $buf)) {
 176                                 (my $key, my $value) = split(/${delimiter}/, $line);
 177                                 $value=~ s/\s//g;
 178                                 $values{$key} = $value;
 179                         }
 180                 } else {
 181                         last;
 182                 }
 183         }
 184
 185         close($sock);
 186
 187         %values;
 188 }
 189
 190 sub dayGraphFunc {
 191         my $dataSrc = shift;
 192         my $mode = shift;
 193         my $color = shift;
 194         my $label = shift;
 195         my $dataPoints = shift;
 196         my @args = ();
 197         push @args, "CDEF:prev${mode}1=PREV(${dataSrc})";
 198         for (my $i = 1; $i < $dataPoints - 1; ++$i) {
 199                 my $prev = $i;
 200                 my $next = $i+1;
 201                 push @args, "CDEF:prev${mode}${next}=PREV(prev${mode}${prev})";
 202         }
 203         my $dayCons = '';
 204         my $consFunc = '';
 205         if ($mode ne 'AVG') {
 206                 for (my $i = 1; $i < $dataPoints; ++$i) {
 207                         $dayCons .= "prev${mode}${i},";
 208                         $consFunc .= ",${mode}";
 209                 }
 210         } else {
 211                 for (my $i = 1; $i < $dataPoints; ++$i) {
 212                         $dayCons .= "prev${mode}${i},";
 213                 }
 214                 $consFunc = ",${dataPoints},${mode}";
 215         }
 216         push @args, "CDEF:day${mode}=${dayCons}${dataSrc}${consFunc}";
 217         push @args, "CDEF:fillCalDay${mode}0=COUNT,${dataPoints},%,0,EQ,day${mode},UNKN,IF";
 218         for (my $i = 1; $i < $dataPoints; ++$i) {
 219                 my $prev = $i-1;
 220                 my $next = $i;
 221                 push @args, "CDEF:fillCalDay${mode}${next}=PREV(fillCalDay${mode}${prev})";
 222         }
 223         my $fillPoint = '';
 224         my $if = '';
 225         for (my $i = 0; $i < $dataPoints; ++$i) {
 226                 $fillPoint .= "COUNT,${dataPoints},%,${i},EQ,fillCalDay${mode}${i},";
 227                 $if .= ",IF";
 228         }
 229         push @args, "CDEF:${mode}Curve=${fillPoint}UNKN${if}";
 230         my $forwardShift = (24*60*60) * ($dataPoints - 1) / $dataPoints;
 231         push @args, "SHIFT:${mode}Curve:-${forwardShift}";
 232         push @args, "LINE1:${mode}Curve#${color}:${label}";
 233         return \@args;
 234 }
 235
 236 sub cfgToGraphDef {
 237         my $cfg = shift;
 238         my $varname = shift;
 239         my $dpPerDay= shift;
 240         my @graphDef = ();
 241         foreach my $subGraph (@$cfg) {
 242                 if ($subGraph eq 'avg') {
 243                         push @graphDef, "LINE1:${varname}-avg#FF0000";
 244                 } elsif ($subGraph eq 'day-min') {
 245                         push @graphDef, @{dayGraphFunc("${varname}-min", 'MIN', '0000ff', 'Day Minimum Temperature', $dpPerDay)};
 246                 } elsif ($subGraph eq 'day-max') {
 247                         push @graphDef, @{dayGraphFunc("${varname}-max", 'MAX', '00ff00', 'Day Maximum Temperature', $dpPerDay)};
 248                 } elsif ($subGraph eq 'day-avg') {
 249                         push @graphDef, @{dayGraphFunc("${varname}-houravg", 'AVG', 'ff0000', 'Day Average Temperature', $dpPerDay)};
 250                 }
 251         }
 252         return \@graphDef;
 253 }
 254
 255 if ($> == 0) {
 256         if (@ARGV != 2) {
 257                 print STDERR "Running as root, please provide UID as 2th argument!\n";
 258                 exit(1);
 259         }
 260
 261         print "Running as root, switching to ".$ARGV[1]."\n";
 262         $< = $> = $ARGV[1];
 263 }
 264
 265 foreach my $host (@$hosts) {
 266         my $rrdfile = $host->{'rrdfile'};
 267
 268         foreach my $var (keys(%{$host->{'vars'}})) {
 269                 $host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
 270                 $host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
 271         }
 272
 273         if (-e "${rrdfile}") {
 274                 print "Reading old ${rrdfile} to preserve data...\n";
 275
 276                 my $rrdinfo = RRDs::info("${rrdfile}");
 277                 if (RRDs::error) {
 278                         print "Error while getting info: " . RRDs::error . "\n";
 279                         exit 1;
 280                 }
 281
 282                 (my $start, my $ostep, my $names, my $data) =
 283                         RRDs::fetch("${rrdfile}",
 284                                         "-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
 285                                         "AVERAGE");
 286
 287                 if (RRDs::error) {
 288                         print "Error while fetching data: " . RRDs::error . "\n";
 289                         exit 1;
 290                 }
 291
 292                 foreach my $field (@$names) {
 293                         if (! -e "${rrdfile}.${field}") {
 294                                 rrdcreate("${rrdfile}.${field}",
 295                                         "${field}",
 296                                         $host->{'vars'},
 297                                         (${start}-${ostep}));
 298                         }
 299                 }
 300
 301                 my $pos = $start;
 302                 foreach my $line (@$data) {
 303                         foreach my $field (@$names) {
 304                                 my $val = shift (@$line);
 305                                 $val = 'U' if (!defined($val));
 306
 307                                 RRDs::update("${rrdfile}.${field}", "${pos}:${val}");
 308                                 if (RRDs::error) {
 309                                         print "Can't insert data: " . RRDs::error . "\n";
 310                                         exit 1;
 311                                 }
 312
 313                         }
 314
 315                         $pos += $ostep;
 316
 317                         if ((($pos-$start)/$ostep) == $#$data) {
 318                                 last;
 319                         }
 320                 }
 321
 322                 rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
 323         }
 324
 325         foreach my $field (@{$host->{'fields'}}) {
 326                 if (! -e "${rrdfile}.${field}") {
 327                         print "Creating ${rrdfile}.${field}...\n";
 328                         rrdcreate("${rrdfile}.${field}",
 329                                 "${field}",
 330                                 $host->{'vars'});
 331                 }
 332
 333                 my $rrdinfo = RRDs::info("${rrdfile}.${field}");
 334                 if (RRDs::error) {
 335                         print "Error while getting info: " . RRDs::error . "\n";
 336                         exit 1;
 337                 }
 338
 339                 my $limitsChanged = 0;
 340                 if (defined($rrdinfo->{"ds[${field}].min"})) {
 341                         if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
 342                                 $limitsChanged = 1;
 343                                 RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
 344                         }
 345                 } else {
 346                         if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
 347                                 $limitsChanged = 1;
 348                                 RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
 349                         }
 350                 }
 351
 352                 if (RRDs::error) {
 353                         print "Error while setting min: " . RRDs::error . "\n";
 354                         exit 1;
 355                 }
 356
 357                 if (defined($rrdinfo->{"ds[${field}].max"})) {
 358                         if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
 359                                 $limitsChanged = 1;
 360                                 RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
 361                         }
 362                 } else {
 363                         if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
 364                                 $limitsChanged = 1;
 365                                 RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
 366                         }
 367                 }
 368
 369                 if (RRDs::error) {
 370                         print "Error while setting max: " . RRDs::error . "\n";
 371                         exit 1;
 372                 }
 373
 374                 if ($rrdinfo->{'rra[0].rows'} != $keep ||
 375                         !defined($rrdinfo->{'rra[3].rows'}) || $rrdinfo->{'rra[3].rows'} != $keepHours ||
 376                         $limitsChanged == 1) {
 377
 378                         print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
 379                                 " to ${keep} samples.\n";
 380
 381                         (my $start, my $ostep, my $names, my $data) =
 382                                 RRDs::fetch("${rrdfile}.${field}",
 383                                                 "-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
 384                                                 "AVERAGE");
 385
 386                         if (RRDs::error) {
 387                                 print "Error while fetching data: " . RRDs::error . "\n";
 388                                 exit 1;
 389                         }
 390
 391                         rrdcreate("${rrdfile}.${field}.new",
 392                                 "${field}",
 393                                 $host->{'vars'},
 394                                 (${start}-${ostep}));
 395
 396                         print "Preserving data in file ${rrdfile}.${field} since " . localtime($start) . "\n";
 397
 398                         my $pos = $start;
 399                         foreach my $line (@$data) {
 400                                 my $vline = "${pos}";
 401
 402                                 foreach my $val (@$line) {
 403                                         $val = 'U' if (!defined($val));
 404                                         $vline .= ":${val}";
 405                                 }
 406                                 RRDs::update("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";
 407
 408                                 if (RRDs::error) {
 409                                         print "Error while updating: " . RRDs::error . "\n";
 410                                         exit 1;
 411                                 }
 412                                 $pos += $ostep;
 413
 414                                 if ((($pos-$start)/$ostep) == $#$data) {
 415                                         last;
 416                                 }
 417                         }
 418
 419                         rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
 420                         rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";
 421
 422                         $rrdinfo = RRDs::info("${rrdfile}.${field}");
 423                         if (RRDs::error) {
 424                                 print "Error while getting info: " . RRDs::error . "\n";
 425                                 exit 1;
 426                         }
 427
 428                         if ($rrdinfo->{'rra[0].rows'} != $keep) {
 429                                 print "Failed!\n";
 430                                 exit 1;
 431                         }
 432                 }
 433         }
 434 }
 435
 436 #my $child = fork();
 437 #
 438 #die "fork failed!" if (!defined($child));
 439 #
 440 #exit 0 if ($child != 0);
 441
 442 my $first = $UPSGRAPH::regenerateOnStart;
 443 while(1) {
 444         open(HTML, ">${outdir}/index.html.new");
 445
 446         print HTML '<html><head><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>Status</title></head>';
 447         print HTML '<body bgcolor="#ffffff">';
 448
 449         foreach my $host (@$hosts) {
 450                 print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>]&nbsp;";
 451         }
 452         print HTML "<br>\n";
 453
 454         foreach my $host (@$hosts) {
 455                 print HTML "<br>\n";
 456                 print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
 457                 my $vars = $host->{'vars'};
 458                 my $rrdfile = $host->{'rrdfile'};
 459                 my $hostname = $host->{'name'};
 460                 my %multi_values = ();
 461
 462                 foreach my $var (@{$host->{'fields'}}) {
 463                         delete $vars->{$var}->{'value'};
 464
 465                         my $result;
 466
 467                         if ((!defined($vars->{$var}->{'proto'})) ||
 468                             ($vars->{$var}->{'proto'} eq '') ||
 469                             ($vars->{$var}->{'proto'} eq 'snmp')) {
 470                                 $result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
 471                         } elsif ($vars->{$var}->{'proto'} eq 'tcp') {
 472                                 $result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
 473                         } elsif ($vars->{$var}->{'proto'} eq 'tcp_multi') {
 474                                 if (defined($multi_values{$vars->{$var}->{'multi_id'}})) {
 475                                         $result = $multi_values{$vars->{$var}->{'multi_id'}}
 476                                 } else {
 477                                         my %values = fetch_tcp_multi($host->{'address'}, $vars->{$var}->{'port'}, $vars->{$var}->{'multi_delimiter'});
 478                                         @multi_values{keys %values} = values %values;
 479                                         $result = $multi_values{$vars->{$var}->{'multi_id'}};
 480                                 }
 481                         }
 482
 483                         next unless (defined $result);
 484
 485                         $vars->{$var}->{'value'} = $result;
 486                         if (defined($vars->{$var}->{'factor'})) {
 487                                 $vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
 488                         }
 489                 }
 490
 491                 foreach my $var (@{$host->{'fields'}}) {
 492                         if (!(defined($vars->{$var}->{'value'}))) {
 493                                 $vars->{$var}->{'value'} = 'U';
 494                         }
 495                         rrd_update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
 496                 }
 497                 if ($rrd_result) {
 498                         print "Error while updating: " . $rrd_result . "\n";
 499                 }
 500
 501                 foreach my $var (@{$host->{'fields'}}) {
 502                         my $graphWidth = 365 * 3;
 503                         my $graphConfig;
 504                         if (defined $vars->{$var}->{'graph'}) {
 505                                 $graphConfig = $vars->{$var}->{'graph'};
 506                                 foreach my $subGraph (qw(day week year)) {
 507                                         if (!defined($graphConfig->{$subGraph})) {
 508                                                 $graphConfig->{$subGraph} = [ 'avg'];
 509                                         }
 510                                 }
 511                         } else {
 512                                 $graphConfig = {
 513                                         'day' =>  [ 'avg' ],
 514                                         'week' => [ 'avg' ],
 515                                         'year' => [ 'avg' ],
 516                                 };
 517                         }
 518
 519                         my @graphdef = ('-P', "-t", $hostname." - ".$vars->{$var}->{'name'});
 520                         push @graphdef, "--lazy" if !$first;
 521
 522                         push @graphdef, "DEF:${var}-avg=${rrdfile}.${var}:${var}:AVERAGE";
 523                         push @graphdef, "DEF:${var}-min=${rrdfile}.${var}:${var}:MIN";
 524                         push @graphdef, "DEF:${var}-max=${rrdfile}.${var}:${var}:MAX";
 525                         push @graphdef, "DEF:${var}-houravg=${rrdfile}.${var}:${var}:AVERAGE:step=3600";
 526                         push @graphdef, "LINE1:${var}-avg#FF0000";
 527                         push @graphdef, "VDEF:cur=${var}-avg,LAST";
 528                         push @graphdef, 'GPRINT:cur:Current\\: <span foreground="#FF0000">%.2lf</span>\\r';
 529
 530                         my $mtime;
 531                         $mtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
 532
 533                         (my $averages, my $width, my $height) =
 534                                 rrd_graph("${outdir}/${hostname}.${var}.png.work",
 535                                                 "-w", "720", @graphdef);
 536
 537                         pop @graphdef;
 538                         pop @graphdef;
 539                         pop @graphdef;
 540
 541                         if ($rrd_result) {
 542                                 print "Error while graphing: " . $rrd_result . "\n";
 543                         } else {
 544                                 my $newmtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
 545                                 if ((!defined($mtime)) || ($newmtime != $mtime)) {
 546                                         copy("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
 547                                         rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
 548                                 }
 549                         }
 550
 551                         print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
 552
 553                         open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
 554                         print HTML2 '<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>' . $vars->{$var}->{'name'} . '</title></head>';
 555                         print HTML2 '<body bgcolor="#ffffff">';
 556
 557                         push @graphdef, "VDEF:min=${var}-min,MINIMUM";
 558                         push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
 559
 560                         push @graphdef, "VDEF:avg=${var}-avg,AVERAGE";
 561                         push @graphdef, "GPRINT:avg:Average\\: %.2lf";
 562
 563                         push @graphdef, "VDEF:max=${var}-max,MAXIMUM";
 564                         push @graphdef, "GPRINT:max:Maximum\\: %.2lf";
 565
 566                         push @graphdef, "VDEF:cur=${var}-avg,LAST";
 567                         push @graphdef, "GPRINT:cur:Current\\: %.2lf";
 568
 569                         my @dayGraphDef = @graphdef;
 570                         push @dayGraphDef, @{cfgToGraphDef($graphConfig->{'day'}, ${var}, 24)};
 571
 572                         $mtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
 573                         ($averages, $width, $height) =
 574                                 rrd_graph("${outdir}/${hostname}.${var}.long.png.work",
 575                                                 "-w", $graphWidth, @dayGraphDef);
 576
 577                         if ($rrd_result) {
 578                                 print "Error while graphing: " . $rrd_result . "\n";
 579                         } else {
 580                                 my $newmtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
 581                                 if ((!defined($mtime)) || ($newmtime != $mtime)) {
 582                                         copy("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
 583                                         rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
 584                                 }
 585                         }
 586
 587                         print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>\n";
 588
 589                         $mtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
 590
 591                         my @weekGraphDef = @graphdef;
 592                         push @weekGraphDef, @{cfgToGraphDef($graphConfig->{'week'}, ${var}, 24)};
 593
 594                         ($averages, $width, $height) =
 595                                 rrd_graph("${outdir}/${hostname}.${var}.week.png.work",
 596                                                 "-w", "$graphWidth", "-e", "now", "-s", "00:00-8d", @weekGraphDef);
 597
 598                         if ($rrd_result) {
 599                                 print "Error while graphing: " . $rrd_result . "\n";
 600                         } else {
 601                                 my $newmtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
 602                                 if ((!defined($mtime)) || ($newmtime != $mtime)) {
 603                                         copy("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
 604                                         rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
 605                                 }
 606                         }
 607
 608                         print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>\n";
 609
 610                         $mtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
 611
 612                         my @yearGraphDef = @graphdef;
 613                         push @yearGraphDef, @{cfgToGraphDef($graphConfig->{'year'}, ${var}, 3)};
 614
 615                         ($averages, $width, $height) =
 616                                 rrd_graph("${outdir}/${hostname}.${var}.year.png.work",
 617                                                 "-w", "$graphWidth", "-e", "00:00", "-s", "end-365d", @yearGraphDef);
 618
 619                         if ($rrd_result) {
 620                                 print "Error while graphing: " . $rrd_result . "\n";
 621                         } else {
 622                                 my $newmtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
 623                                 if ((!defined($mtime)) || ($newmtime != $mtime)) {
 624                                         copy("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
 625                                         rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
 626                                 }
 627                         }
 628
 629                         print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>\n";
 630
 631                         print HTML2 "</body></html>\n";
 632                         close(HTML2);
 633                         rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
 634                 }
 635         }
 636
 637         print HTML "</body></html>\n";
 638         print HTML "<br>Generated on: " . localtime(time());
 639         print HTML ' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';
 640
 641         close(HTML);
 642
 643         rename("${outdir}/index.html.new", "${outdir}/index.html");
 644
 645         sleep(${step}/2);
 646         $first = 0;
 647 }