]>
git.zerfleddert.de Git - upsgraph/blob - upsgraph.pl
3 #Due to memory leak in Debian squeeze (Bug #545519)
7 if ((@ARGV != 1) && (@ARGV != 2)) {
8 print STDERR
"Syntax: ${0} configfile [uid]\n";
19 $UPSGRAPH::outdir
= "";
20 $UPSGRAPH::daysCovered
= 370;
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
= ();
27 do $ARGV[0] or die "can't read config: $!";
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
;
38 print "Updating: ". Dumper
(\
@_);
41 $rrd_result = RRDs
::error
;
43 $rrd_result = system("rrdtool", "update", @args);
50 print "Graphing: " . Dumper
(\
@_);
52 @rrd_out = RRDs
::graph
(@args);
53 $rrd_result = RRDs
::error
;
57 open(RRDFD
, '-|', 'rrdtool', 'graph', @args);
64 if ($rrd_result == 0) {
66 push @rrd_out, split(/x/, $rrd_stdout);
79 my @cmd = ("${newrrd}", "--step=${step}");
81 if (defined($start)) {
82 push @cmd, "--start=${start}";
85 push @cmd, "DS:${field}:GAUGE:600:" .
86 $vars->{$field}->{'min'} . ":" .
87 $vars->{$field}->{'max'};
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}";
95 print "Error while creating: " . RRDs
::error
. "\n";
103 my $community = shift;
106 (my $session, my $error) = Net
::SNMP
->session(Hostname
=> $address,
107 Community
=> $community);
110 print STDERR
"session error: $error";
114 $session->translate(0);
116 my $result = $session->get_request($oid);
120 return undef if (!defined($result));
129 my $sock = IO
::Socket
::INET
->new(PeerAddr
=> $address,
134 return undef if (!$sock);
136 my $select = IO
::Select
->new($sock);
140 if ($select->can_read(1)) {
141 chomp($value) if (sysread($sock, $value, 4096) > 0);
155 sub fetch_tcp_multi
(@
) {
158 my $delimiter = shift;
161 my $sock = IO
::Socket
::INET
->new(PeerAddr
=> $address,
166 return undef if (!$sock);
168 my $select = IO
::Select
->new($sock);
170 while($select->can_read(1)) {
171 if (sysread($sock, my $buf, 16384) > 0) {
173 foreach my $line (split(/\n/, $buf)) {
174 (my $key, my $value) = split(/${delimiter}/, $line);
176 $values{$key} = $value;
193 my $dataPoints = shift;
195 push @args, "CDEF:prev${mode}1=PREV(${dataSrc})";
196 for (my $i = 1; $i < $dataPoints - 1; ++$i) {
199 push @args, "CDEF:prev${mode}${next}=PREV(prev${mode}${prev})";
203 for (my $i = 1; $i < $dataPoints; ++$i) {
204 $dayCons .= "prev${mode}${i},";
205 $consFunc .= ",${mode}";
207 push @args, "CDEF:day${mode}=${dayCons}${dataSrc}${consFunc}";
208 push @args, "CDEF:fillCalDay${mode}0=COUNT,${dataPoints},%,0,EQ,day${mode},UNKN,IF";
209 for (my $i = 1; $i < $dataPoints; ++$i) {
212 push @args, "CDEF:fillCalDay${mode}${next}=PREV(fillCalDay${mode}${prev})";
216 for (my $i = 0; $i < $dataPoints; ++$i) {
217 $fillPoint .= "COUNT,${dataPoints},%,${i},EQ,fillCalDay${mode}${i},";
220 push @args, "CDEF:${mode}Curve=${fillPoint}UNKN${if}";
221 my $forwardShift = (24*60*60) * ($dataPoints - 1) / $dataPoints;
222 push @args, "SHIFT:${mode}Curve:-${forwardShift}";
223 push @args, "LINE1:${mode}Curve#${color}:${label}";
232 foreach my $subGraph (@
$cfg) {
233 if ($subGraph eq 'avg') {
234 push @graphDef, "LINE1:${varname}-avg#FF0000";
235 } elsif ($subGraph eq 'day-min') {
236 push @graphDef, @
{dayGraphFunc
("${varname}-min", 'MIN', '0000ff', 'Day Minimum Temperature', $dpPerDay)};
237 } elsif ($subGraph eq 'day-max') {
238 push @graphDef, @
{dayGraphFunc
("${varname}-max", 'MAX', '00ff00', 'Day Maximum Temperature', $dpPerDay)};
246 print STDERR
"Running as root, please provide UID as 2th argument!\n";
250 print "Running as root, switching to ".$ARGV[1]."\n";
254 foreach my $host (@
$hosts) {
255 my $rrdfile = $host->{'rrdfile'};
257 foreach my $var (keys(%{$host->{'vars'}})) {
258 $host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
259 $host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
262 if (-e
"${rrdfile}") {
263 print "Reading old ${rrdfile} to preserve data...\n";
265 my $rrdinfo = RRDs
::info
("${rrdfile}");
267 print "Error while getting info: " . RRDs
::error
. "\n";
271 (my $start, my $ostep, my $names, my $data) =
272 RRDs
::fetch
("${rrdfile}",
273 "-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
277 print "Error while fetching data: " . RRDs
::error
. "\n";
281 foreach my $field (@
$names) {
282 if (! -e
"${rrdfile}.${field}") {
283 rrdcreate
("${rrdfile}.${field}",
286 (${start
}-${ostep
}));
291 foreach my $line (@
$data) {
292 foreach my $field (@
$names) {
293 my $val = shift (@
$line);
294 $val = 'U' if (!defined($val));
296 RRDs
::update
("${rrdfile}.${field}", "${pos}:${val}");
298 print "Can't insert data: " . RRDs
::error
. "\n";
306 if ((($pos-$start)/$ostep) == $#$data) {
311 rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
314 foreach my $field (@
{$host->{'fields'}}) {
315 if (! -e
"${rrdfile}.${field}") {
316 print "Creating ${rrdfile}.${field}...\n";
317 rrdcreate
("${rrdfile}.${field}",
322 my $rrdinfo = RRDs
::info
("${rrdfile}.${field}");
324 print "Error while getting info: " . RRDs
::error
. "\n";
328 my $limitsChanged = 0;
329 if (defined($rrdinfo->{"ds[${field}].min"})) {
330 if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
332 RRDs
::tune
("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
335 if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
337 RRDs
::tune
("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
342 print "Error while setting min: " . RRDs
::error
. "\n";
346 if (defined($rrdinfo->{"ds[${field}].max"})) {
347 if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
349 RRDs
::tune
("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
352 if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
354 RRDs
::tune
("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
359 print "Error while setting max: " . RRDs
::error
. "\n";
363 if ($rrdinfo->{'rra[0].rows'} != $keep ||
364 !defined($rrdinfo->{'rra[1].rows'}) || $rrdinfo->{'rra[1].rows'} != $keepHours ||
365 $limitsChanged == 1) {
367 print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
368 " to ${keep} samples.\n";
370 (my $start, my $ostep, my $names, my $data) =
371 RRDs
::fetch
("${rrdfile}.${field}",
372 "-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
376 print "Error while fetching data: " . RRDs
::error
. "\n";
380 rrdcreate
("${rrdfile}.${field}.new",
383 (${start
}-${ostep
}));
385 print "Preserving data in file ${rrdfile}.${field} since " . localtime($start) . "\n";
388 foreach my $line (@
$data) {
389 my $vline = "${pos}";
391 foreach my $val (@
$line) {
392 $val = 'U' if (!defined($val));
395 RRDs
::update
("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";
398 print "Error while updating: " . RRDs
::error
. "\n";
403 if ((($pos-$start)/$ostep) == $#$data) {
408 rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
409 rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";
411 $rrdinfo = RRDs
::info
("${rrdfile}.${field}");
413 print "Error while getting info: " . RRDs
::error
. "\n";
417 if ($rrdinfo->{'rra[0].rows'} != $keep) {
427 #die "fork failed!" if (!defined($child));
429 #exit 0 if ($child != 0);
432 open(HTML
, ">${outdir}/index.html.new");
434 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>';
435 print HTML
'<body bgcolor="#ffffff">';
437 foreach my $host (@
$hosts) {
438 print HTML
"[<a href=\"#".${host
}->{'name'}."\">".${host
}->{'name'}."</a>] ";
442 foreach my $host (@
$hosts) {
444 print HTML
"<a name=\"".${host
}->{'name'}."\"></a>\n";
445 my $vars = $host->{'vars'};
446 my $rrdfile = $host->{'rrdfile'};
447 my $hostname = $host->{'name'};
448 my %multi_values = ();
450 foreach my $var (@
{$host->{'fields'}}) {
451 delete $vars->{$var}->{'value'};
455 if ((!defined($vars->{$var}->{'proto'})) ||
456 ($vars->{$var}->{'proto'} eq '') ||
457 ($vars->{$var}->{'proto'} eq 'snmp')) {
458 $result = fetch_snmp
($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
459 } elsif ($vars->{$var}->{'proto'} eq 'tcp') {
460 $result = fetch_tcp
($host->{'address'}, $vars->{$var}->{'port'});
461 } elsif ($vars->{$var}->{'proto'} eq 'tcp_multi') {
462 if (defined($multi_values{$vars->{$var}->{'multi_id'}})) {
463 $result = $multi_values{$vars->{$var}->{'multi_id'}}
465 my %values = fetch_tcp_multi
($host->{'address'}, $vars->{$var}->{'port'}, $vars->{$var}->{'multi_delimiter'});
466 @multi_values{keys %values} = values %values;
467 $result = $multi_values{$vars->{$var}->{'multi_id'}};
471 next unless (defined $result);
473 $vars->{$var}->{'value'} = $result;
474 if (defined($vars->{$var}->{'factor'})) {
475 $vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
479 foreach my $var (@
{$host->{'fields'}}) {
480 if (!(defined($vars->{$var}->{'value'}))) {
481 $vars->{$var}->{'value'} = 'U';
483 rrd_update
("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
486 print "Error while updating: " . $rrd_result . "\n";
489 foreach my $var (@
{$host->{'fields'}}) {
490 my $graphWidth = 365 * 3;
492 if (defined $vars->{$var}->{'graph'}) {
493 $graphConfig = $vars->{$var}->{'graph'};
494 foreach my $subGraph (qw(day week year)) {
495 if (!defined($graphConfig->{$subGraph})) {
496 $graphConfig->{$subGraph} = [ 'avg'];
507 my @graphdef = ('-P', "--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'});
509 push @graphdef, "DEF:${var}-avg=${rrdfile}.${var}:${var}:AVERAGE";
510 push @graphdef, "DEF:${var}-min=${rrdfile}.${var}:${var}:MIN";
511 push @graphdef, "DEF:${var}-max=${rrdfile}.${var}:${var}:MAX";
512 push @graphdef, "LINE1:${var}-avg#FF0000";
513 push @graphdef, "VDEF:cur=${var}-avg,LAST";
514 push @graphdef, 'GPRINT:cur:Current\\: <span foreground="#FF0000">%.2lf</span>\\r';
517 $mtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
519 (my $averages, my $width, my $height) =
520 rrd_graph
("${outdir}/${hostname}.${var}.png.work",
521 "-w", "720", @graphdef);
528 print "Error while graphing: " . $rrd_result . "\n";
530 my $newmtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
531 if ((!defined($mtime)) || ($newmtime != $mtime)) {
532 copy
("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
533 rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
537 print HTML
"<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
539 open (HTML2
, ">${outdir}/${hostname}.${var}.html.new");
540 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>';
541 print HTML2
'<body bgcolor="#ffffff">';
543 push @graphdef, "VDEF:min=${var}-min,MINIMUM";
544 push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
546 push @graphdef, "VDEF:avg=${var}-avg,AVERAGE";
547 push @graphdef, "GPRINT:avg:Average\\: %.2lf";
549 push @graphdef, "VDEF:max=${var}-max,MAXIMUM";
550 push @graphdef, "GPRINT:max:Maximum\\: %.2lf";
552 push @graphdef, "VDEF:cur=${var}-avg,LAST";
553 push @graphdef, "GPRINT:cur:Current\\: %.2lf";
555 my @dayGraphDef = @graphdef;
556 push @dayGraphDef, @
{cfgToGraphDef
($graphConfig->{'day'}, ${var
}, 24)};
558 $mtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
559 ($averages, $width, $height) =
560 rrd_graph
("${outdir}/${hostname}.${var}.long.png.work",
561 "-w", $graphWidth, @dayGraphDef);
564 print "Error while graphing: " . $rrd_result . "\n";
566 my $newmtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
567 if ((!defined($mtime)) || ($newmtime != $mtime)) {
568 copy
("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
569 rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
573 print HTML2
"<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>\n";
575 $mtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
577 my @weekGraphDef = @graphdef;
578 push @weekGraphDef, @
{cfgToGraphDef
($graphConfig->{'week'}, ${var
}, 24)};
580 ($averages, $width, $height) =
581 rrd_graph
("${outdir}/${hostname}.${var}.week.png.work",
582 "-w", "$graphWidth", "-e", "now", "-s", "00:00-8d", @weekGraphDef);
585 print "Error while graphing: " . $rrd_result . "\n";
587 my $newmtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
588 if ((!defined($mtime)) || ($newmtime != $mtime)) {
589 copy
("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
590 rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
594 print HTML2
"<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>\n";
596 $mtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
598 my @yearGraphDef = @graphdef;
599 push @yearGraphDef, @
{cfgToGraphDef
($graphConfig->{'year'}, ${var
}, 3)};
601 ($averages, $width, $height) =
602 rrd_graph
("${outdir}/${hostname}.${var}.year.png.work",
603 "-w", "$graphWidth", "-e", "00:00", "-s", "end-365d", @yearGraphDef);
606 print "Error while graphing: " . $rrd_result . "\n";
608 my $newmtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
609 if ((!defined($mtime)) || ($newmtime != $mtime)) {
610 copy
("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
611 rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
615 print HTML2
"<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>\n";
617 print HTML2
"</body></html>\n";
619 rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
623 print HTML
"</body></html>\n";
624 print HTML
"<br>Generated on: " . localtime(time());
625 print HTML
' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';
629 rename("${outdir}/index.html.new", "${outdir}/index.html");