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