[upsgraph] / upsgraph.pl

#!/usr/bin/perl -w

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

use Net::SNMP;
use IO::Socket::INET;
use RRDs;
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 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";
	}

	$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';
			}
			RRDs::update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
		}
		if (RRDs::error) {
			print "Error while updating: " . RRDs::error . "\n";
		}

		foreach my $var (@{$host->{'fields'}}) {
			my @graphdef = ("--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
			(my $averages, my $width, my $height) =
				RRDs::graph("${outdir}/${hostname}.${var}.png.new",
						"-w", "720", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\n";
			} else {
				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><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";

			($averages, $width, $height) =
				RRDs::graph("${outdir}/${hostname}.${var}.long.png.new",
						"-w", "1008", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\n";
			} else {
				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>";

			($averages, $width, $height) =
				RRDs::graph("${outdir}/${hostname}.${var}.week.png.new",
						"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\n";
			} else {
				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>";

			($averages, $width, $height) =
				RRDs::graph("${outdir}/${hostname}.${var}.year.png.new",
						"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\n";
			} else {
				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
1c9fb9df MG	3	if ((@ARGV != 1) && (@ARGV != 2)) {
1c9fb9df MG	4	print STDERR "Syntax: ${0} configfile [uid]\n";
e18c93b3 MG	5	exit(1);
	6	}
	7
1c9fb9df	8	use Net::SNMP;
0e572cdc	9	use IO::Socket::INET;
e5da3876 MG	10	use RRDs;
e5da3876 MG	11	use Data::Dumper;
e18c93b3	12
1c9fb9df	13	$UPSGRAPH::outdir = "";
1c9fb9df	14	$UPSGRAPH::step = 60;
e5da3876	15	$UPSGRAPH::keep = (3702460*60)/$UPSGRAPH::step;
6c1071ee	16	$UPSGRAPH::hosts = ();
e18c93b3	17
1c9fb9df	18	do $ARGV[0] or die "can't read config: $!";
e18c93b3	19
1c9fb9df	20	my $outdir = $UPSGRAPH::outdir;
1c9fb9df	21	my $step = $UPSGRAPH::step;
e5da3876	22	my $keep = $UPSGRAPH::keep;
6c1071ee	23	my $hosts = $UPSGRAPH::hosts;
e18c93b3	24
e5da3876	25	sub rrdcreate(@) {
21377f43 MG	26	my $newrrd = shift;
21377f43 MG	27	my $field = shift;
6c1071ee	28	my $vars = shift;
e5da3876 MG	29	my $start = shift;
e5da3876 MG	30
21377f43	31	my @cmd = ("${newrrd}", "--step=${step}");
e5da3876 MG	32
	33	if (defined($start)) {
	34	push @cmd, "--start=${start}";
	35	}
	36
21377f43 MG	37	push @cmd, "DS:${field}:GAUGE:600:" .
	38	$vars->{$field}->{'min'} . ":" .
	39	$vars->{$field}->{'max'} . " ";
	40
e5da3876 MG	41	push @cmd, "RRA:AVERAGE:0.5:1:${keep}";
	42
	43	RRDs::create(@cmd);
	44	if (RRDs::error) {
	45	print "Error while creating: " . RRDs::error . "\n";
	46	exit 1;
	47	}
	48	}
	49
6c1071ee MG	50	sub fetch_snmp(@) {
	51	my $address = shift;
	52	my $community = shift;
	53	my $oid = shift;
e5da3876	54
6c1071ee MG	55	(my $session, my $error) = Net::SNMP->session(Hostname => $address,
6c1071ee MG	56	Community => $community);
e18c93b3	57
0e572cdc MG	58	if (!$session) {
	59	print STDERR "session error: $error";
	60	}
e5da3876	61
6c1071ee	62	$session->translate(0);
e5da3876	63
0e572cdc	64	my $result = $session->get_request($oid);
e5da3876	65
6c1071ee	66	$session->close;
21377f43	67
0e572cdc MG	68	return undef if (!defined($result));
	69
	70	$result->{$oid};
	71	}
	72
	73	sub fetch_tcp(@) {
	74	my $address = shift;
	75	my $port = shift;
	76
	77	my $sock = IO::Socket::INET->new(PeerAddr => $address,
	78	PeerPort => $port,
	79	Proto => 'tcp',
	80	Timeout => 1);
	81
	82	return undef if (!$sock);
	83
	84	chomp(my $value = <$sock>);
	85
	86	close($sock);
	87
	88	if (!$value) {
	89	return undef;
	90	}
	91
	92	$value=~ s/\s//g;
	93
	94	$value;
6c1071ee	95	}
e5da3876	96
6c1071ee MG	97	if ($> == 0) {
	98	if (@ARGV != 2) {
	99	print STDERR "Running as root, please provide UID as 2th argument!\n";
	100	exit(1);
e5da3876 MG	101	}
e5da3876 MG	102
6c1071ee MG	103	print "Running as root, switching to ".$ARGV[1]."\n";
6c1071ee MG	104	$< = $> = $ARGV[1];
21377f43	105	}
e5da3876	106
6c1071ee MG	107	foreach my $host (@$hosts) {
6c1071ee MG	108	my $rrdfile = $host->{'rrdfile'};
21377f43	109
46ead44b MG	110	foreach my $var (keys(%{$host->{'vars'}})) {
	111	$host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
	112	$host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
	113	}
	114
6c1071ee MG	115	if (-e "${rrdfile}") {
6c1071ee MG	116	print "Reading old ${rrdfile} to preserve data...\n";
e5da3876	117
6c1071ee MG	118	my $rrdinfo = RRDs::info("${rrdfile}");
	119	if (RRDs::error) {
	120	print "Error while getting info: " . RRDs::error . "\n";
	121	exit 1;
	122	}
21377f43 MG	123
21377f43 MG	124	(my $start, my $ostep, my $names, my $data) =
6c1071ee	125	RRDs::fetch("${rrdfile}",
21377f43 MG	126	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	127	"AVERAGE");
	128
	129	if (RRDs::error) {
	130	print "Error while fetching data: " . RRDs::error . "\n";
	131	exit 1;
	132	}
	133
6c1071ee MG	134	foreach my $field (@$names) {
	135	if (! -e "${rrdfile}.${field}") {
	136	rrdcreate("${rrdfile}.${field}",
	137	"${field}",
	138	$host->{'vars'},
	139	(${start}-${ostep}));
	140	}
	141	}
21377f43 MG	142
	143	my $pos = $start;
	144	foreach my $line (@$data) {
6c1071ee MG	145	foreach my $field (@$names) {
6c1071ee MG	146	my $val = shift (@$line);
21377f43	147	$val = 'U' if (!defined($val));
21377f43	148
6c1071ee MG	149	RRDs::update("${rrdfile}.${field}", "${pos}:${val}");
	150	if (RRDs::error) {
	151	print "Can't insert data: " . RRDs::error . "\n";
	152	exit 1;
	153	}
	154
21377f43	155	}
6c1071ee	156
21377f43 MG	157	$pos += $ostep;
	158
	159	if ((($pos-$start)/$ostep) == $#$data) {
	160	last;
	161	}
	162	}
	163
6c1071ee MG	164	rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	165	}
21377f43	166
6c1071ee MG	167	foreach my $field (@{$host->{'fields'}}) {
	168	if (! -e "${rrdfile}.${field}") {
	169	print "Creating ${rrdfile}.${field}...\n";
	170	rrdcreate("${rrdfile}.${field}",
	171	"${field}",
	172	$host->{'vars'});
	173	}
	174
	175	my $rrdinfo = RRDs::info("${rrdfile}.${field}");
21377f43 MG	176	if (RRDs::error) {
	177	print "Error while getting info: " . RRDs::error . "\n";
	178	exit 1;
	179	}
	180
178e4778 MG	181	if (defined($rrdinfo->{"ds[${field}].min"})) {
	182	if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
	183	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	184	}
	185	} else {
	186	if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
	187	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	188	}
	189	}
	190
	191	if (RRDs::error) {
	192	print "Error while setting min: " . RRDs::error . "\n";
	193	exit 1;
	194	}
	195
	196	if (defined($rrdinfo->{"ds[${field}].max"})) {
	197	if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
178e4778 MG	198	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	199	}
	200	} else {
	201	if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
	202	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	203	}
	204	}
	205
	206	if (RRDs::error) {
	207	print "Error while setting max: " . RRDs::error . "\n";
	208	exit 1;
	209	}
	210
21377f43	211	if ($rrdinfo->{'rra[0].rows'} != $keep) {
6c1071ee MG	212	print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
6c1071ee MG	213	" to ${keep} samples.\n";
e18c93b3	214
6c1071ee MG	215	(my $start, my $ostep, my $names, my $data) =
	216	RRDs::fetch("${rrdfile}.${field}",
	217	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	218	"AVERAGE");
6aa53fc5	219
6c1071ee MG	220	if (RRDs::error) {
	221	print "Error while fetching data: " . RRDs::error . "\n";
	222	exit 1;
	223	}
6aa53fc5	224
6c1071ee MG	225	rrdcreate("${rrdfile}.${field}.new",
	226	"${field}",
	227	$host->{'vars'},
	228	(${start}-${ostep}));
6aa53fc5	229
6c1071ee	230	print "Preserving data since " . localtime($start) . "\n";
e18c93b3	231
6c1071ee MG	232	my $pos = $start;
	233	foreach my $line (@$data) {
	234	my $vline = "${pos}";
e18c93b3	235
6c1071ee MG	236	foreach my $val (@$line) {
	237	$val = 'U' if (!defined($val));
	238	$vline .= ":${val}";
	239	}
	240	RRDs::update("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";
e18c93b3	241
6c1071ee MG	242	if (RRDs::error) {
	243	print "Error while updating: " . RRDs::error . "\n";
	244	exit 1;
	245	}
	246	$pos += $ostep;
e18c93b3	247
6c1071ee MG	248	if ((($pos-$start)/$ostep) == $#$data) {
	249	last;
	250	}
	251	}
e18c93b3	252
6c1071ee MG	253	rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	254	rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";
e18c93b3	255
6c1071ee MG	256	$rrdinfo = RRDs::info("${rrdfile}.${field}");
	257	if (RRDs::error) {
	258	print "Error while getting info: " . RRDs::error . "\n";
	259	exit 1;
	260	}
e18c93b3	261
6c1071ee MG	262	if ($rrdinfo->{'rra[0].rows'} != $keep) {
	263	print "Failed!\n";
	264	exit 1;
	265	}
e18c93b3	266	}
e18c93b3	267	}
6c1071ee MG	268	}
	269
	270	my $child = fork();
e18c93b3	271
6c1071ee MG	272	die "fork failed!" if (!defined($child));
	273
	274	exit 0 if ($child != 0);
	275
	276	while(1) {
e18c93b3 MG	277	open(HTML, ">${outdir}/index.html.new");
e18c93b3 MG	278
2c148a8e	279	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	280	print HTML '<body bgcolor="#ffffff">';
e18c93b3 MG	281
6c1071ee	282	foreach my $host (@$hosts) {
2c148a8e MG	283	print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>] ";
	284	}
	285	print HTML "<br>\n";
	286
	287	foreach my $host (@$hosts) {
	288	print HTML "<br>\n";
	289	print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
6c1071ee MG	290	my $vars = $host->{'vars'};
	291	my $rrdfile = $host->{'rrdfile'};
	292	my $hostname = $host->{'name'};
	293
	294	foreach my $var (@{$host->{'fields'}}) {
	295	delete $vars->{$var}->{'value'};
e5da3876	296
0e572cdc MG	297	my $result;
	298
	299	if ((!defined($vars->{$var}->{'proto'})) \|\|
	300	($vars->{$var}->{'proto'} eq '') \|\|
	301	($vars->{$var}->{'proto'} eq 'snmp')) {
	302	$result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
	303	} elsif ($vars->{$var}->{'proto'} eq 'tcp') {
	304	$result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
	305	}
	306
6c1071ee MG	307	next unless (defined $result);
6c1071ee MG	308
0e572cdc	309	$vars->{$var}->{'value'} = $result;
6c1071ee MG	310	if (defined($vars->{$var}->{'factor'})) {
	311	$vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
	312	}
	313	}
	314
	315	foreach my $var (@{$host->{'fields'}}) {
	316	if (!(defined($vars->{$var}->{'value'}))) {
	317	$vars->{$var}->{'value'} = 'U';
	318	}
	319	RRDs::update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
	320	}
e5da3876	321	if (RRDs::error) {
6c1071ee	322	print "Error while updating: " . RRDs::error . "\n";
e5da3876 MG	323	}
e5da3876 MG	324
6c1071ee	325	foreach my $var (@{$host->{'fields'}}) {
0d418146	326	my @graphdef = ("--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
6c1071ee MG	327	(my $averages, my $width, my $height) =
	328	RRDs::graph("${outdir}/${hostname}.${var}.png.new",
	329	"-w", "720", @graphdef);
e5da3876	330
6c1071ee MG	331	if (RRDs::error) {
	332	print "Error while graphing: " . RRDs::error . "\n";
	333	} else {
	334	rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
	335	}
e5da3876	336
2c148a8e	337	print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
58c56c83	338
6c1071ee MG	339	open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
	340	print HTML2 "<html><head><title>" . $vars->{$var}->{'name'} . "</title></head>";
	341	print HTML2 '<body bgcolor="#ffffff">';
58c56c83	342
58c56c83	343
6c1071ee MG	344	push @graphdef, "VDEF:min=${var},MINIMUM";
6c1071ee MG	345	push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
58c56c83	346
6c1071ee MG	347	push @graphdef, "VDEF:avg=${var},AVERAGE";
6c1071ee MG	348	push @graphdef, "GPRINT:avg:Average\\: %.2lf";
58c56c83	349
6c1071ee MG	350	push @graphdef, "VDEF:max=${var},MAXIMUM";
6c1071ee MG	351	push @graphdef, "GPRINT:max:Maximum\\: %.2lf";
e5da3876	352
6c1071ee MG	353	push @graphdef, "VDEF:cur=${var},LAST";
6c1071ee MG	354	push @graphdef, "GPRINT:cur:Current\\: %.2lf";
e5da3876	355
6c1071ee MG	356	($averages, $width, $height) =
	357	RRDs::graph("${outdir}/${hostname}.${var}.long.png.new",
	358	"-w", "1008", @graphdef);
e5da3876	359
6c1071ee MG	360	if (RRDs::error) {
	361	print "Error while graphing: " . RRDs::error . "\n";
	362	} else {
	363	rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
	364	}
e5da3876	365
6c1071ee MG	366	print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>";
	367
	368	($averages, $width, $height) =
	369	RRDs::graph("${outdir}/${hostname}.${var}.week.png.new",
	370	"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);
	371
	372	if (RRDs::error) {
	373	print "Error while graphing: " . RRDs::error . "\n";
	374	} else {
	375	rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
	376	}
e5da3876	377
6c1071ee	378	print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>";
e5da3876	379
6c1071ee MG	380	($averages, $width, $height) =
	381	RRDs::graph("${outdir}/${hostname}.${var}.year.png.new",
	382	"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);
e5da3876	383
6c1071ee MG	384	if (RRDs::error) {
	385	print "Error while graphing: " . RRDs::error . "\n";
	386	} else {
	387	rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
	388	}
e18c93b3	389
6c1071ee	390	print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>";
e18c93b3	391
6c1071ee MG	392	print HTML2 "</body></html>\n";
	393	close(HTML2);
	394	rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
	395	}
e18c93b3 MG	396	}
	397
	398	print HTML "</body></html>\n";
	399	print HTML "<br>Generated on: " . localtime(time());
863e62dc	400	print HTML ' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';
e18c93b3 MG	401
	402	close(HTML);
	403
	404	rename("${outdir}/index.html.new", "${outdir}/index.html");
	405
	406	sleep(${step}/2);
	407	}