[upsgraph] / upsgraph.pl

#!/usr/bin/perl -w

#Due to memory leak in Debian squeeze (Bug #545519)
my $use_rrds = 0;
my $rrd_result = 0;

if ((@ARGV != 1) && (@ARGV != 2)) {
	print STDERR "Syntax: ${0} configfile [uid]\n";
	exit(1);
}

use Net::SNMP;
use IO::Socket::INET;
use RRDs;
use File::Copy;
use Data::Dumper;

$UPSGRAPH::outdir = "";
$UPSGRAPH::step = 60;
$UPSGRAPH::keep = (370*24*60*60)/$UPSGRAPH::step;
$UPSGRAPH::hosts = ();

do $ARGV[0] or die "can't read config: $!";

my $outdir = $UPSGRAPH::outdir;
my $step = $UPSGRAPH::step;
my $keep = $UPSGRAPH::keep;
my $hosts = $UPSGRAPH::hosts;

sub rrd_update(@) {
	my @args = @_;

	if ($use_rrds == 1) {
		RRDs::update(@args);
		$rrd_result = RRDs::error;
	} else {
		$rrd_result = system("rrdtool", "update", @args);
	}
}

sub rrd_graph(@) {
	my @args = @_;
	my @rrd_out = ();

	if ($use_rrds == 1) {
		@rrd_out = RRDs::graph(@args);
		$rrd_result = RRDs::error;
	} else {
		my $rrd_stdout;

		open(RRDFD, '-|', 'rrdtool', 'graph', @args);
		while(<RRDFD>) {
			chomp;
			$rrd_stdout = $_;
		}
		close(RRDFD);
		$rrd_result = $?;
		if ($rrd_result == 0) {
			push @rrd_out, 0;
			push @rrd_out, split(/x/, $rrd_stdout);
		}
	}

	return @rrd_out;
}

sub rrdcreate(@) {
	my $newrrd = shift;
	my $field = shift;
	my $vars = shift;
	my $start = shift;

	my @cmd = ("${newrrd}", "--step=${step}");

	if (defined($start)) {
		push @cmd, "--start=${start}";
	}

	push @cmd, "DS:${field}:GAUGE:600:" .
		$vars->{$field}->{'min'} . ":" .
		$vars->{$field}->{'max'} . " ";

	push @cmd, "RRA:AVERAGE:0.5:1:${keep}";

	RRDs::create(@cmd);
	if (RRDs::error) {
		print "Error while creating: " . RRDs::error . "\n";
		exit 1;
	}
}

sub fetch_snmp(@) {
	my $address = shift;
	my $community = shift;
	my $oid = shift;

	(my $session, my $error) = Net::SNMP->session(Hostname => $address,
			Community => $community);

	if (!$session) {
		print STDERR "session error: $error";
		return undef;
	}

	$session->translate(0);

	my $result = $session->get_request($oid);

	$session->close;

	return undef if (!defined($result));

	$result->{$oid};
}

sub fetch_tcp(@) {
	my $address = shift;
	my $port = shift;

	my $sock = IO::Socket::INET->new(PeerAddr => $address,
			PeerPort => $port,
			Proto => 'tcp',
			Timeout => 1);

	return undef if (!$sock);

	chomp(my $value = <$sock>);

	close($sock);

	if (!$value) {
		return undef;
	}

	$value=~ s/\s//g;

	$value;
}

if ($> == 0) {
	if (@ARGV != 2) {
		print STDERR "Running as root, please provide UID as 2th argument!\n";
		exit(1);
	}

	print "Running as root, switching to ".$ARGV[1]."\n";
	$< = $> = $ARGV[1];
}

foreach my $host (@$hosts) {
	my $rrdfile = $host->{'rrdfile'};

	foreach my $var (keys(%{$host->{'vars'}})) {
		$host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
		$host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
	}

	if (-e "${rrdfile}") {
		print "Reading old ${rrdfile} to preserve data...\n";

		my $rrdinfo = RRDs::info("${rrdfile}");
		if (RRDs::error) {
			print "Error while getting info: " . RRDs::error . "\n";
			exit 1;
		}

		(my $start, my $ostep, my $names, my $data) =
			RRDs::fetch("${rrdfile}",
					"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
					"AVERAGE");

		if (RRDs::error) {
			print "Error while fetching data: " . RRDs::error . "\n";
			exit 1;
		}

		foreach my $field (@$names) {
			if (! -e "${rrdfile}.${field}") {
				rrdcreate("${rrdfile}.${field}",
					"${field}",
					$host->{'vars'},
					(${start}-${ostep}));
			}
		}

		my $pos = $start;
		foreach my $line (@$data) {
			foreach my $field (@$names) {
				my $val = shift (@$line);
				$val = 'U' if (!defined($val));

				RRDs::update("${rrdfile}.${field}", "${pos}:${val}");
				if (RRDs::error) {
					print "Can't insert data: " . RRDs::error . "\n";
					exit 1;
				}

			}

			$pos += $ostep;

			if ((($pos-$start)/$ostep) == $#$data) {
				last;
			}
		}

		rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
	}

	foreach my $field (@{$host->{'fields'}}) {
		if (! -e "${rrdfile}.${field}") {
			print "Creating ${rrdfile}.${field}...\n";
			rrdcreate("${rrdfile}.${field}",
				"${field}",
				$host->{'vars'});
		}

		my $rrdinfo = RRDs::info("${rrdfile}.${field}");
		if (RRDs::error) {
			print "Error while getting info: " . RRDs::error . "\n";
			exit 1;
		}

		if (defined($rrdinfo->{"ds[${field}].min"})) {
			if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
				RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
			}
		} else {
			if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
				RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
			}
		}

		if (RRDs::error) {
			print "Error while setting min: " . RRDs::error . "\n";
			exit 1;
		}

		if (defined($rrdinfo->{"ds[${field}].max"})) {
			if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
				RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
			}
		} else {
			if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
				RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
			}
		}

		if (RRDs::error) {
			print "Error while setting max: " . RRDs::error . "\n";
			exit 1;
		}
		    
		if ($rrdinfo->{'rra[0].rows'} != $keep) {
			print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
				" to ${keep} samples.\n";

			(my $start, my $ostep, my $names, my $data) =
				RRDs::fetch("${rrdfile}.${field}",
						"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
						"AVERAGE");

			if (RRDs::error) {
				print "Error while fetching data: " . RRDs::error . "\n";
				exit 1;
			}

			rrdcreate("${rrdfile}.${field}.new",
				"${field}",
				$host->{'vars'},
				(${start}-${ostep}));

			print "Preserving data since " . localtime($start) . "\n";

			my $pos = $start;
			foreach my $line (@$data) {
				my $vline = "${pos}";

				foreach my $val (@$line) {
					$val = 'U' if (!defined($val));
					$vline .= ":${val}";
				}
				RRDs::update("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";

				if (RRDs::error) {
					print "Error while updating: " . RRDs::error . "\n";
					exit 1;
				}
				$pos += $ostep;

				if ((($pos-$start)/$ostep) == $#$data) {
					last;
				}
			}

			rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
			rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";

			$rrdinfo = RRDs::info("${rrdfile}.${field}");
			if (RRDs::error) {
				print "Error while getting info: " . RRDs::error . "\n";
				exit 1;
			}

			if ($rrdinfo->{'rra[0].rows'} != $keep) {
				print "Failed!\n";
				exit 1;
			}
		}
	}
}

my $child = fork();

die "fork failed!" if (!defined($child));

exit 0 if ($child != 0);

while(1) {
	open(HTML, ">${outdir}/index.html.new");

	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>';
	print HTML '<body bgcolor="#ffffff">';

	foreach my $host (@$hosts) {
		print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>]&nbsp;";
	}
	print HTML "<br>\n";

	foreach my $host (@$hosts) {
		print HTML "<br>\n";
		print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
		my $vars = $host->{'vars'};
		my $rrdfile = $host->{'rrdfile'};
		my $hostname = $host->{'name'};

		foreach my $var (@{$host->{'fields'}}) {
			delete $vars->{$var}->{'value'};

			my $result;

			if ((!defined($vars->{$var}->{'proto'})) ||
			    ($vars->{$var}->{'proto'} eq '') ||
			    ($vars->{$var}->{'proto'} eq 'snmp')) {
				$result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
			} elsif ($vars->{$var}->{'proto'} eq 'tcp') {
				$result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
			}

			next unless (defined $result);

			$vars->{$var}->{'value'} = $result;
			if (defined($vars->{$var}->{'factor'})) {
				$vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
			}
		}

		foreach my $var (@{$host->{'fields'}}) {
			if (!(defined($vars->{$var}->{'value'}))) {
				$vars->{$var}->{'value'} = 'U';
			}
			rrd_update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
		}
		if ($rrd_result) {
			print "Error while updating: " . $rrd_result . "\n";
		}

		foreach my $var (@{$host->{'fields'}}) {
			my @graphdef = ('-P', "--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");

			push @graphdef, "VDEF:cur=${var},LAST";
			push @graphdef, 'GPRINT:cur:Current\\: <span foreground="#FF0000">%.2lf</span>\\r';

			my $mtime;
			$mtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];

			(my $averages, my $width, my $height) =
				rrd_graph("${outdir}/${hostname}.${var}.png.work",
						"-w", "720", @graphdef);

			pop @graphdef;
			pop @graphdef;

			if ($rrd_result) {
				print "Error while graphing: " . $rrd_result . "\n";
			} else {
				my $newmtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
				if ((!defined($mtime)) || ($newmtime != $mtime)) {
					copy("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
					rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
				}
			}

			print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";

			open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
			print HTML2 '<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>' . $vars->{$var}->{'name'} . '</title></head>';
			print HTML2 '<body bgcolor="#ffffff">';

			push @graphdef, "VDEF:min=${var},MINIMUM";
			push @graphdef, "GPRINT:min:Minimum\\: %.2lf";

			push @graphdef, "VDEF:avg=${var},AVERAGE";
			push @graphdef, "GPRINT:avg:Average\\: %.2lf";

			push @graphdef, "VDEF:max=${var},MAXIMUM";
			push @graphdef, "GPRINT:max:Maximum\\: %.2lf";

			push @graphdef, "VDEF:cur=${var},LAST";
			push @graphdef, "GPRINT:cur:Current\\: %.2lf";

			$mtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
			($averages, $width, $height) =
				rrd_graph("${outdir}/${hostname}.${var}.long.png.work",
						"-w", "1008", @graphdef);

			if ($rrd_result) {
				print "Error while graphing: " . $rrd_result . "\n";
			} else {
				my $newmtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
				if ((!defined($mtime)) || ($newmtime != $mtime)) {
					copy("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
					rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
				}
			}

			print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>";

			$mtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
			($averages, $width, $height) =
				rrd_graph("${outdir}/${hostname}.${var}.week.png.work",
						"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);

			if ($rrd_result) {
				print "Error while graphing: " . $rrd_result . "\n";
			} else {
				my $newmtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
				if ((!defined($mtime)) || ($newmtime != $mtime)) {
					copy("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
					rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
				}
			}

			print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>";

			$mtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
			($averages, $width, $height) =
				rrd_graph("${outdir}/${hostname}.${var}.year.png.work",
						"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);

			if ($rrd_result) {
				print "Error while graphing: " . $rrd_result . "\n";
			} else {
				my $newmtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
				if ((!defined($mtime)) || ($newmtime != $mtime)) {
					copy("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
					rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
				}
			}

			print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>";

			print HTML2 "</body></html>\n";
			close(HTML2);
			rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
		}
	}

	print HTML "</body></html>\n";
	print HTML "<br>Generated on: " . localtime(time());
	print HTML ' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';

	close(HTML);

	rename("${outdir}/index.html.new", "${outdir}/index.html");

	sleep(${step}/2);
}
Commit	Line	Data
e18c93b3 MG	1	#!/usr/bin/perl -w
e18c93b3 MG	2
f49c04f7 MG	3	#Due to memory leak in Debian squeeze (Bug #545519)
	4	my $use_rrds = 0;
	5	my $rrd_result = 0;
	6
1c9fb9df MG	7	if ((@ARGV != 1) && (@ARGV != 2)) {
1c9fb9df MG	8	print STDERR "Syntax: ${0} configfile [uid]\n";
e18c93b3 MG	9	exit(1);
	10	}
	11
1c9fb9df	12	use Net::SNMP;
0e572cdc	13	use IO::Socket::INET;
e5da3876	14	use RRDs;
e26b065f	15	use File::Copy;
e5da3876	16	use Data::Dumper;
e18c93b3	17
1c9fb9df	18	$UPSGRAPH::outdir = "";
1c9fb9df	19	$UPSGRAPH::step = 60;
e5da3876	20	$UPSGRAPH::keep = (3702460*60)/$UPSGRAPH::step;
6c1071ee	21	$UPSGRAPH::hosts = ();
e18c93b3	22
1c9fb9df	23	do $ARGV[0] or die "can't read config: $!";
e18c93b3	24
1c9fb9df	25	my $outdir = $UPSGRAPH::outdir;
1c9fb9df	26	my $step = $UPSGRAPH::step;
e5da3876	27	my $keep = $UPSGRAPH::keep;
6c1071ee	28	my $hosts = $UPSGRAPH::hosts;
e18c93b3	29
f49c04f7 MG	30	sub rrd_update(@) {
	31	my @args = @_;
	32
	33	if ($use_rrds == 1) {
	34	RRDs::update(@args);
	35	$rrd_result = RRDs::error;
	36	} else {
	37	$rrd_result = system("rrdtool", "update", @args);
	38	}
	39	}
	40
	41	sub rrd_graph(@) {
	42	my @args = @_;
	43	my @rrd_out = ();
	44
	45	if ($use_rrds == 1) {
	46	@rrd_out = RRDs::graph(@args);
	47	$rrd_result = RRDs::error;
	48	} else {
	49	my $rrd_stdout;
	50
	51	open(RRDFD, '-\|', 'rrdtool', 'graph', @args);
	52	while(<RRDFD>) {
	53	chomp;
	54	$rrd_stdout = $_;
	55	}
	56	close(RRDFD);
	57	$rrd_result = $?;
	58	if ($rrd_result == 0) {
	59	push @rrd_out, 0;
	60	push @rrd_out, split(/x/, $rrd_stdout);
	61	}
	62	}
	63
	64	return @rrd_out;
	65	}
	66
e5da3876	67	sub rrdcreate(@) {
21377f43 MG	68	my $newrrd = shift;
21377f43 MG	69	my $field = shift;
6c1071ee	70	my $vars = shift;
e5da3876 MG	71	my $start = shift;
e5da3876 MG	72
21377f43	73	my @cmd = ("${newrrd}", "--step=${step}");
e5da3876 MG	74
	75	if (defined($start)) {
	76	push @cmd, "--start=${start}";
	77	}
	78
21377f43 MG	79	push @cmd, "DS:${field}:GAUGE:600:" .
	80	$vars->{$field}->{'min'} . ":" .
	81	$vars->{$field}->{'max'} . " ";
	82
e5da3876 MG	83	push @cmd, "RRA:AVERAGE:0.5:1:${keep}";
	84
	85	RRDs::create(@cmd);
	86	if (RRDs::error) {
	87	print "Error while creating: " . RRDs::error . "\n";
	88	exit 1;
	89	}
	90	}
	91
6c1071ee MG	92	sub fetch_snmp(@) {
	93	my $address = shift;
	94	my $community = shift;
	95	my $oid = shift;
e5da3876	96
6c1071ee MG	97	(my $session, my $error) = Net::SNMP->session(Hostname => $address,
6c1071ee MG	98	Community => $community);
e18c93b3	99
0e572cdc MG	100	if (!$session) {
0e572cdc MG	101	print STDERR "session error: $error";
e0acc35a	102	return undef;
0e572cdc	103	}
e5da3876	104
6c1071ee	105	$session->translate(0);
e5da3876	106
0e572cdc	107	my $result = $session->get_request($oid);
e5da3876	108
6c1071ee	109	$session->close;
21377f43	110
0e572cdc MG	111	return undef if (!defined($result));
	112
	113	$result->{$oid};
	114	}
	115
	116	sub fetch_tcp(@) {
	117	my $address = shift;
	118	my $port = shift;
	119
	120	my $sock = IO::Socket::INET->new(PeerAddr => $address,
	121	PeerPort => $port,
	122	Proto => 'tcp',
	123	Timeout => 1);
	124
	125	return undef if (!$sock);
	126
	127	chomp(my $value = <$sock>);
	128
	129	close($sock);
	130
	131	if (!$value) {
	132	return undef;
	133	}
	134
	135	$value=~ s/\s//g;
	136
	137	$value;
6c1071ee	138	}
e5da3876	139
6c1071ee MG	140	if ($> == 0) {
	141	if (@ARGV != 2) {
	142	print STDERR "Running as root, please provide UID as 2th argument!\n";
	143	exit(1);
e5da3876 MG	144	}
e5da3876 MG	145
6c1071ee MG	146	print "Running as root, switching to ".$ARGV[1]."\n";
6c1071ee MG	147	$< = $> = $ARGV[1];
21377f43	148	}
e5da3876	149
6c1071ee MG	150	foreach my $host (@$hosts) {
6c1071ee MG	151	my $rrdfile = $host->{'rrdfile'};
21377f43	152
46ead44b MG	153	foreach my $var (keys(%{$host->{'vars'}})) {
	154	$host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
	155	$host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
	156	}
	157
6c1071ee MG	158	if (-e "${rrdfile}") {
6c1071ee MG	159	print "Reading old ${rrdfile} to preserve data...\n";
e5da3876	160
6c1071ee MG	161	my $rrdinfo = RRDs::info("${rrdfile}");
	162	if (RRDs::error) {
	163	print "Error while getting info: " . RRDs::error . "\n";
	164	exit 1;
	165	}
21377f43 MG	166
21377f43 MG	167	(my $start, my $ostep, my $names, my $data) =
6c1071ee	168	RRDs::fetch("${rrdfile}",
21377f43 MG	169	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	170	"AVERAGE");
	171
	172	if (RRDs::error) {
	173	print "Error while fetching data: " . RRDs::error . "\n";
	174	exit 1;
	175	}
	176
6c1071ee MG	177	foreach my $field (@$names) {
	178	if (! -e "${rrdfile}.${field}") {
	179	rrdcreate("${rrdfile}.${field}",
	180	"${field}",
	181	$host->{'vars'},
	182	(${start}-${ostep}));
	183	}
	184	}
21377f43 MG	185
	186	my $pos = $start;
	187	foreach my $line (@$data) {
6c1071ee MG	188	foreach my $field (@$names) {
6c1071ee MG	189	my $val = shift (@$line);
21377f43	190	$val = 'U' if (!defined($val));
21377f43	191
6c1071ee MG	192	RRDs::update("${rrdfile}.${field}", "${pos}:${val}");
	193	if (RRDs::error) {
	194	print "Can't insert data: " . RRDs::error . "\n";
	195	exit 1;
	196	}
	197
21377f43	198	}
6c1071ee	199
21377f43 MG	200	$pos += $ostep;
	201
	202	if ((($pos-$start)/$ostep) == $#$data) {
	203	last;
	204	}
	205	}
	206
6c1071ee MG	207	rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	208	}
21377f43	209
6c1071ee MG	210	foreach my $field (@{$host->{'fields'}}) {
	211	if (! -e "${rrdfile}.${field}") {
	212	print "Creating ${rrdfile}.${field}...\n";
	213	rrdcreate("${rrdfile}.${field}",
	214	"${field}",
	215	$host->{'vars'});
	216	}
	217
	218	my $rrdinfo = RRDs::info("${rrdfile}.${field}");
21377f43 MG	219	if (RRDs::error) {
	220	print "Error while getting info: " . RRDs::error . "\n";
	221	exit 1;
	222	}
	223
178e4778 MG	224	if (defined($rrdinfo->{"ds[${field}].min"})) {
	225	if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
	226	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	227	}
	228	} else {
	229	if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
	230	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	231	}
	232	}
	233
	234	if (RRDs::error) {
	235	print "Error while setting min: " . RRDs::error . "\n";
	236	exit 1;
	237	}
	238
	239	if (defined($rrdinfo->{"ds[${field}].max"})) {
	240	if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
178e4778 MG	241	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	242	}
	243	} else {
	244	if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
	245	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	246	}
	247	}
	248
	249	if (RRDs::error) {
	250	print "Error while setting max: " . RRDs::error . "\n";
	251	exit 1;
	252	}
	253
21377f43	254	if ($rrdinfo->{'rra[0].rows'} != $keep) {
6c1071ee MG	255	print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
6c1071ee MG	256	" to ${keep} samples.\n";
e18c93b3	257
6c1071ee MG	258	(my $start, my $ostep, my $names, my $data) =
	259	RRDs::fetch("${rrdfile}.${field}",
	260	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	261	"AVERAGE");
6aa53fc5	262
6c1071ee MG	263	if (RRDs::error) {
	264	print "Error while fetching data: " . RRDs::error . "\n";
	265	exit 1;
	266	}
6aa53fc5	267
6c1071ee MG	268	rrdcreate("${rrdfile}.${field}.new",
	269	"${field}",
	270	$host->{'vars'},
	271	(${start}-${ostep}));
6aa53fc5	272
6c1071ee	273	print "Preserving data since " . localtime($start) . "\n";
e18c93b3	274
6c1071ee MG	275	my $pos = $start;
	276	foreach my $line (@$data) {
	277	my $vline = "${pos}";
e18c93b3	278
6c1071ee MG	279	foreach my $val (@$line) {
	280	$val = 'U' if (!defined($val));
	281	$vline .= ":${val}";
	282	}
	283	RRDs::update("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";
e18c93b3	284
6c1071ee MG	285	if (RRDs::error) {
	286	print "Error while updating: " . RRDs::error . "\n";
	287	exit 1;
	288	}
	289	$pos += $ostep;
e18c93b3	290
6c1071ee MG	291	if ((($pos-$start)/$ostep) == $#$data) {
	292	last;
	293	}
	294	}
e18c93b3	295
6c1071ee MG	296	rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	297	rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";
e18c93b3	298
6c1071ee MG	299	$rrdinfo = RRDs::info("${rrdfile}.${field}");
	300	if (RRDs::error) {
	301	print "Error while getting info: " . RRDs::error . "\n";
	302	exit 1;
	303	}
e18c93b3	304
6c1071ee MG	305	if ($rrdinfo->{'rra[0].rows'} != $keep) {
	306	print "Failed!\n";
	307	exit 1;
	308	}
e18c93b3	309	}
e18c93b3	310	}
6c1071ee MG	311	}
	312
	313	my $child = fork();
e18c93b3	314
6c1071ee MG	315	die "fork failed!" if (!defined($child));
	316
	317	exit 0 if ($child != 0);
	318
	319	while(1) {
e18c93b3 MG	320	open(HTML, ">${outdir}/index.html.new");
e18c93b3 MG	321
2c148a8e	322	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>';
e18c93b3 MG	323	print HTML '<body bgcolor="#ffffff">';
e18c93b3 MG	324
6c1071ee	325	foreach my $host (@$hosts) {
2c148a8e MG	326	print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>] ";
	327	}
	328	print HTML "<br>\n";
	329
	330	foreach my $host (@$hosts) {
	331	print HTML "<br>\n";
	332	print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
6c1071ee MG	333	my $vars = $host->{'vars'};
	334	my $rrdfile = $host->{'rrdfile'};
	335	my $hostname = $host->{'name'};
	336
	337	foreach my $var (@{$host->{'fields'}}) {
	338	delete $vars->{$var}->{'value'};
e5da3876	339
0e572cdc MG	340	my $result;
	341
	342	if ((!defined($vars->{$var}->{'proto'})) \|\|
	343	($vars->{$var}->{'proto'} eq '') \|\|
	344	($vars->{$var}->{'proto'} eq 'snmp')) {
	345	$result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
	346	} elsif ($vars->{$var}->{'proto'} eq 'tcp') {
	347	$result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
	348	}
	349
6c1071ee MG	350	next unless (defined $result);
6c1071ee MG	351
0e572cdc	352	$vars->{$var}->{'value'} = $result;
6c1071ee MG	353	if (defined($vars->{$var}->{'factor'})) {
	354	$vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
	355	}
	356	}
	357
	358	foreach my $var (@{$host->{'fields'}}) {
	359	if (!(defined($vars->{$var}->{'value'}))) {
	360	$vars->{$var}->{'value'} = 'U';
	361	}
f49c04f7	362	rrd_update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
6c1071ee	363	}
f49c04f7 MG	364	if ($rrd_result) {
f49c04f7 MG	365	print "Error while updating: " . $rrd_result . "\n";
e5da3876 MG	366	}
e5da3876 MG	367
6c1071ee	368	foreach my $var (@{$host->{'fields'}}) {
de10ff59	369	my @graphdef = ('-P', "--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
0e74e3d8 MG	370
0e74e3d8 MG	371	push @graphdef, "VDEF:cur=${var},LAST";
de10ff59	372	push @graphdef, 'GPRINT:cur:Current\\: <span foreground="#FF0000">%.2lf</span>\\r';
52259377 MG	373
	374	my $mtime;
	375	$mtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
	376
6c1071ee	377	(my $averages, my $width, my $height) =
f49c04f7	378	rrd_graph("${outdir}/${hostname}.${var}.png.work",
6c1071ee	379	"-w", "720", @graphdef);
e5da3876	380
0e74e3d8 MG	381	pop @graphdef;
	382	pop @graphdef;
	383
f49c04f7 MG	384	if ($rrd_result) {
f49c04f7 MG	385	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	386	} else {
52259377	387	my $newmtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
f004592a	388	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	389	copy("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
	390	rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
	391	}
6c1071ee	392	}
e5da3876	393
2c148a8e	394	print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
58c56c83	395
6c1071ee	396	open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
0e74e3d8	397	print HTML2 '<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>' . $vars->{$var}->{'name'} . '</title></head>';
6c1071ee	398	print HTML2 '<body bgcolor="#ffffff">';
58c56c83	399
6c1071ee MG	400	push @graphdef, "VDEF:min=${var},MINIMUM";
6c1071ee MG	401	push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
58c56c83	402
6c1071ee MG	403	push @graphdef, "VDEF:avg=${var},AVERAGE";
6c1071ee MG	404	push @graphdef, "GPRINT:avg:Average\\: %.2lf";
58c56c83	405
6c1071ee MG	406	push @graphdef, "VDEF:max=${var},MAXIMUM";
6c1071ee MG	407	push @graphdef, "GPRINT:max:Maximum\\: %.2lf";
e5da3876	408
6c1071ee MG	409	push @graphdef, "VDEF:cur=${var},LAST";
6c1071ee MG	410	push @graphdef, "GPRINT:cur:Current\\: %.2lf";
e5da3876	411
52259377	412	$mtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
6c1071ee	413	($averages, $width, $height) =
f49c04f7	414	rrd_graph("${outdir}/${hostname}.${var}.long.png.work",
6c1071ee	415	"-w", "1008", @graphdef);
e5da3876	416
f49c04f7 MG	417	if ($rrd_result) {
f49c04f7 MG	418	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	419	} else {
52259377	420	my $newmtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
f004592a	421	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	422	copy("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
	423	rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
	424	}
6c1071ee	425	}
e5da3876	426
6c1071ee MG	427	print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>";
6c1071ee MG	428
52259377	429	$mtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
6c1071ee	430	($averages, $width, $height) =
f49c04f7	431	rrd_graph("${outdir}/${hostname}.${var}.week.png.work",
6c1071ee MG	432	"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);
6c1071ee MG	433
f49c04f7 MG	434	if ($rrd_result) {
f49c04f7 MG	435	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	436	} else {
52259377	437	my $newmtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
f004592a	438	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	439	copy("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
	440	rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
	441	}
6c1071ee	442	}
e5da3876	443
6c1071ee	444	print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>";
e5da3876	445
52259377	446	$mtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
6c1071ee	447	($averages, $width, $height) =
f49c04f7	448	rrd_graph("${outdir}/${hostname}.${var}.year.png.work",
6c1071ee	449	"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);
e5da3876	450
f49c04f7 MG	451	if ($rrd_result) {
f49c04f7 MG	452	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	453	} else {
52259377	454	my $newmtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
f004592a	455	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	456	copy("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
	457	rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
	458	}
6c1071ee	459	}
e18c93b3	460
6c1071ee	461	print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>";
e18c93b3	462
6c1071ee MG	463	print HTML2 "</body></html>\n";
	464	close(HTML2);
	465	rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
	466	}
e18c93b3 MG	467	}
	468
	469	print HTML "</body></html>\n";
	470	print HTML "<br>Generated on: " . localtime(time());
863e62dc	471	print HTML ' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';
e18c93b3 MG	472
	473	close(HTML);
	474
	475	rename("${outdir}/index.html.new", "${outdir}/index.html");
	476
	477	sleep(${step}/2);
	478	}