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