[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 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 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';
			}
			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");

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

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

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

			pop @graphdef;
			pop @graphdef;

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\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, $height) =
				RRDs::graph("${outdir}/${hostname}.${var}.long.png.work",
						"-w", "1008", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\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, $height) =
				RRDs::graph("${outdir}/${hostname}.${var}.week.png.work",
						"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\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, $height) =
				RRDs::graph("${outdir}/${hostname}.${var}.year.png.work",
						"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\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
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	10	use RRDs;
e26b065f	11	use File::Copy;
e5da3876	12	use Data::Dumper;
e18c93b3	13
1c9fb9df	14	$UPSGRAPH::outdir = "";
1c9fb9df	15	$UPSGRAPH::step = 60;
e5da3876	16	$UPSGRAPH::keep = (3702460*60)/$UPSGRAPH::step;
6c1071ee	17	$UPSGRAPH::hosts = ();
e18c93b3	18
1c9fb9df	19	do $ARGV[0] or die "can't read config: $!";
e18c93b3	20
1c9fb9df	21	my $outdir = $UPSGRAPH::outdir;
1c9fb9df	22	my $step = $UPSGRAPH::step;
e5da3876	23	my $keep = $UPSGRAPH::keep;
6c1071ee	24	my $hosts = $UPSGRAPH::hosts;
e18c93b3	25
e5da3876	26	sub rrdcreate(@) {
21377f43 MG	27	my $newrrd = shift;
21377f43 MG	28	my $field = shift;
6c1071ee	29	my $vars = shift;
e5da3876 MG	30	my $start = shift;
e5da3876 MG	31
21377f43	32	my @cmd = ("${newrrd}", "--step=${step}");
e5da3876 MG	33
	34	if (defined($start)) {
	35	push @cmd, "--start=${start}";
	36	}
	37
21377f43 MG	38	push @cmd, "DS:${field}:GAUGE:600:" .
	39	$vars->{$field}->{'min'} . ":" .
	40	$vars->{$field}->{'max'} . " ";
	41
e5da3876 MG	42	push @cmd, "RRA:AVERAGE:0.5:1:${keep}";
	43
	44	RRDs::create(@cmd);
	45	if (RRDs::error) {
	46	print "Error while creating: " . RRDs::error . "\n";
	47	exit 1;
	48	}
	49	}
	50
6c1071ee MG	51	sub fetch_snmp(@) {
	52	my $address = shift;
	53	my $community = shift;
	54	my $oid = shift;
e5da3876	55
6c1071ee MG	56	(my $session, my $error) = Net::SNMP->session(Hostname => $address,
6c1071ee MG	57	Community => $community);
e18c93b3	58
0e572cdc MG	59	if (!$session) {
0e572cdc MG	60	print STDERR "session error: $error";
e0acc35a	61	return undef;
0e572cdc	62	}
e5da3876	63
6c1071ee	64	$session->translate(0);
e5da3876	65
0e572cdc	66	my $result = $session->get_request($oid);
e5da3876	67
6c1071ee	68	$session->close;
21377f43	69
0e572cdc MG	70	return undef if (!defined($result));
	71
	72	$result->{$oid};
	73	}
	74
	75	sub fetch_tcp(@) {
	76	my $address = shift;
	77	my $port = shift;
	78
	79	my $sock = IO::Socket::INET->new(PeerAddr => $address,
	80	PeerPort => $port,
	81	Proto => 'tcp',
	82	Timeout => 1);
	83
	84	return undef if (!$sock);
	85
	86	chomp(my $value = <$sock>);
	87
	88	close($sock);
	89
	90	if (!$value) {
	91	return undef;
	92	}
	93
	94	$value=~ s/\s//g;
	95
	96	$value;
6c1071ee	97	}
e5da3876	98
6c1071ee MG	99	if ($> == 0) {
	100	if (@ARGV != 2) {
	101	print STDERR "Running as root, please provide UID as 2th argument!\n";
	102	exit(1);
e5da3876 MG	103	}
e5da3876 MG	104
6c1071ee MG	105	print "Running as root, switching to ".$ARGV[1]."\n";
6c1071ee MG	106	$< = $> = $ARGV[1];
21377f43	107	}
e5da3876	108
6c1071ee MG	109	foreach my $host (@$hosts) {
6c1071ee MG	110	my $rrdfile = $host->{'rrdfile'};
21377f43	111
46ead44b MG	112	foreach my $var (keys(%{$host->{'vars'}})) {
	113	$host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
	114	$host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
	115	}
	116
6c1071ee MG	117	if (-e "${rrdfile}") {
6c1071ee MG	118	print "Reading old ${rrdfile} to preserve data...\n";
e5da3876	119
6c1071ee MG	120	my $rrdinfo = RRDs::info("${rrdfile}");
	121	if (RRDs::error) {
	122	print "Error while getting info: " . RRDs::error . "\n";
	123	exit 1;
	124	}
21377f43 MG	125
21377f43 MG	126	(my $start, my $ostep, my $names, my $data) =
6c1071ee	127	RRDs::fetch("${rrdfile}",
21377f43 MG	128	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	129	"AVERAGE");
	130
	131	if (RRDs::error) {
	132	print "Error while fetching data: " . RRDs::error . "\n";
	133	exit 1;
	134	}
	135
6c1071ee MG	136	foreach my $field (@$names) {
	137	if (! -e "${rrdfile}.${field}") {
	138	rrdcreate("${rrdfile}.${field}",
	139	"${field}",
	140	$host->{'vars'},
	141	(${start}-${ostep}));
	142	}
	143	}
21377f43 MG	144
	145	my $pos = $start;
	146	foreach my $line (@$data) {
6c1071ee MG	147	foreach my $field (@$names) {
6c1071ee MG	148	my $val = shift (@$line);
21377f43	149	$val = 'U' if (!defined($val));
21377f43	150
6c1071ee MG	151	RRDs::update("${rrdfile}.${field}", "${pos}:${val}");
	152	if (RRDs::error) {
	153	print "Can't insert data: " . RRDs::error . "\n";
	154	exit 1;
	155	}
	156
21377f43	157	}
6c1071ee	158
21377f43 MG	159	$pos += $ostep;
	160
	161	if ((($pos-$start)/$ostep) == $#$data) {
	162	last;
	163	}
	164	}
	165
6c1071ee MG	166	rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	167	}
21377f43	168
6c1071ee MG	169	foreach my $field (@{$host->{'fields'}}) {
	170	if (! -e "${rrdfile}.${field}") {
	171	print "Creating ${rrdfile}.${field}...\n";
	172	rrdcreate("${rrdfile}.${field}",
	173	"${field}",
	174	$host->{'vars'});
	175	}
	176
	177	my $rrdinfo = RRDs::info("${rrdfile}.${field}");
21377f43 MG	178	if (RRDs::error) {
	179	print "Error while getting info: " . RRDs::error . "\n";
	180	exit 1;
	181	}
	182
178e4778 MG	183	if (defined($rrdinfo->{"ds[${field}].min"})) {
	184	if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
	185	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	186	}
	187	} else {
	188	if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
	189	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	190	}
	191	}
	192
	193	if (RRDs::error) {
	194	print "Error while setting min: " . RRDs::error . "\n";
	195	exit 1;
	196	}
	197
	198	if (defined($rrdinfo->{"ds[${field}].max"})) {
	199	if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
178e4778 MG	200	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	201	}
	202	} else {
	203	if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
	204	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	205	}
	206	}
	207
	208	if (RRDs::error) {
	209	print "Error while setting max: " . RRDs::error . "\n";
	210	exit 1;
	211	}
	212
21377f43	213	if ($rrdinfo->{'rra[0].rows'} != $keep) {
6c1071ee MG	214	print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
6c1071ee MG	215	" to ${keep} samples.\n";
e18c93b3	216
6c1071ee MG	217	(my $start, my $ostep, my $names, my $data) =
	218	RRDs::fetch("${rrdfile}.${field}",
	219	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	220	"AVERAGE");
6aa53fc5	221
6c1071ee MG	222	if (RRDs::error) {
	223	print "Error while fetching data: " . RRDs::error . "\n";
	224	exit 1;
	225	}
6aa53fc5	226
6c1071ee MG	227	rrdcreate("${rrdfile}.${field}.new",
	228	"${field}",
	229	$host->{'vars'},
	230	(${start}-${ostep}));
6aa53fc5	231
6c1071ee	232	print "Preserving data since " . localtime($start) . "\n";
e18c93b3	233
6c1071ee MG	234	my $pos = $start;
	235	foreach my $line (@$data) {
	236	my $vline = "${pos}";
e18c93b3	237
6c1071ee MG	238	foreach my $val (@$line) {
	239	$val = 'U' if (!defined($val));
	240	$vline .= ":${val}";
	241	}
	242	RRDs::update("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";
e18c93b3	243
6c1071ee MG	244	if (RRDs::error) {
	245	print "Error while updating: " . RRDs::error . "\n";
	246	exit 1;
	247	}
	248	$pos += $ostep;
e18c93b3	249
6c1071ee MG	250	if ((($pos-$start)/$ostep) == $#$data) {
	251	last;
	252	}
	253	}
e18c93b3	254
6c1071ee MG	255	rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	256	rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";
e18c93b3	257
6c1071ee MG	258	$rrdinfo = RRDs::info("${rrdfile}.${field}");
	259	if (RRDs::error) {
	260	print "Error while getting info: " . RRDs::error . "\n";
	261	exit 1;
	262	}
e18c93b3	263
6c1071ee MG	264	if ($rrdinfo->{'rra[0].rows'} != $keep) {
	265	print "Failed!\n";
	266	exit 1;
	267	}
e18c93b3	268	}
e18c93b3	269	}
6c1071ee MG	270	}
	271
	272	my $child = fork();
e18c93b3	273
6c1071ee MG	274	die "fork failed!" if (!defined($child));
	275
	276	exit 0 if ($child != 0);
	277
	278	while(1) {
e18c93b3 MG	279	open(HTML, ">${outdir}/index.html.new");
e18c93b3 MG	280
2c148a8e	281	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	282	print HTML '<body bgcolor="#ffffff">';
e18c93b3 MG	283
6c1071ee	284	foreach my $host (@$hosts) {
2c148a8e MG	285	print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>] ";
	286	}
	287	print HTML "<br>\n";
	288
	289	foreach my $host (@$hosts) {
	290	print HTML "<br>\n";
	291	print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
6c1071ee MG	292	my $vars = $host->{'vars'};
	293	my $rrdfile = $host->{'rrdfile'};
	294	my $hostname = $host->{'name'};
	295
	296	foreach my $var (@{$host->{'fields'}}) {
	297	delete $vars->{$var}->{'value'};
e5da3876	298
0e572cdc MG	299	my $result;
	300
	301	if ((!defined($vars->{$var}->{'proto'})) \|\|
	302	($vars->{$var}->{'proto'} eq '') \|\|
	303	($vars->{$var}->{'proto'} eq 'snmp')) {
	304	$result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
	305	} elsif ($vars->{$var}->{'proto'} eq 'tcp') {
	306	$result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
	307	}
	308
6c1071ee MG	309	next unless (defined $result);
6c1071ee MG	310
0e572cdc	311	$vars->{$var}->{'value'} = $result;
6c1071ee MG	312	if (defined($vars->{$var}->{'factor'})) {
	313	$vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
	314	}
	315	}
	316
	317	foreach my $var (@{$host->{'fields'}}) {
	318	if (!(defined($vars->{$var}->{'value'}))) {
	319	$vars->{$var}->{'value'} = 'U';
	320	}
	321	RRDs::update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
	322	}
e5da3876	323	if (RRDs::error) {
6c1071ee	324	print "Error while updating: " . RRDs::error . "\n";
e5da3876 MG	325	}
e5da3876 MG	326
6c1071ee	327	foreach my $var (@{$host->{'fields'}}) {
bcd0e31b	328	my @graphdef = ("--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
0e74e3d8 MG	329
0e74e3d8 MG	330	push @graphdef, "VDEF:cur=${var},LAST";
bcd0e31b	331	push @graphdef, 'GPRINT:cur:Current\\: %.2lf\\r';
52259377 MG	332
	333	my $mtime;
	334	$mtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
	335
6c1071ee	336	(my $averages, my $width, my $height) =
75dbe166	337	RRDs::graph("${outdir}/${hostname}.${var}.png.work",
6c1071ee	338	"-w", "720", @graphdef);
e5da3876	339
0e74e3d8 MG	340	pop @graphdef;
	341	pop @graphdef;
	342
6c1071ee MG	343	if (RRDs::error) {
	344	print "Error while graphing: " . RRDs::error . "\n";
	345	} else {
52259377	346	my $newmtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
f004592a	347	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	348	copy("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
	349	rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
	350	}
6c1071ee	351	}
e5da3876	352
2c148a8e	353	print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
58c56c83	354
6c1071ee	355	open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
0e74e3d8	356	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	357	print HTML2 '<body bgcolor="#ffffff">';
58c56c83	358
6c1071ee MG	359	push @graphdef, "VDEF:min=${var},MINIMUM";
6c1071ee MG	360	push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
58c56c83	361
6c1071ee MG	362	push @graphdef, "VDEF:avg=${var},AVERAGE";
6c1071ee MG	363	push @graphdef, "GPRINT:avg:Average\\: %.2lf";
58c56c83	364
6c1071ee MG	365	push @graphdef, "VDEF:max=${var},MAXIMUM";
6c1071ee MG	366	push @graphdef, "GPRINT:max:Maximum\\: %.2lf";
e5da3876	367
6c1071ee MG	368	push @graphdef, "VDEF:cur=${var},LAST";
6c1071ee MG	369	push @graphdef, "GPRINT:cur:Current\\: %.2lf";
e5da3876	370
52259377	371	$mtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
6c1071ee	372	($averages, $width, $height) =
75dbe166	373	RRDs::graph("${outdir}/${hostname}.${var}.long.png.work",
6c1071ee	374	"-w", "1008", @graphdef);
e5da3876	375
6c1071ee MG	376	if (RRDs::error) {
	377	print "Error while graphing: " . RRDs::error . "\n";
	378	} else {
52259377	379	my $newmtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
f004592a	380	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	381	copy("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
	382	rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
	383	}
6c1071ee	384	}
e5da3876	385
6c1071ee MG	386	print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>";
6c1071ee MG	387
52259377	388	$mtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
6c1071ee	389	($averages, $width, $height) =
75dbe166	390	RRDs::graph("${outdir}/${hostname}.${var}.week.png.work",
6c1071ee MG	391	"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);
	392
	393	if (RRDs::error) {
	394	print "Error while graphing: " . RRDs::error . "\n";
	395	} else {
52259377	396	my $newmtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
f004592a	397	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	398	copy("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
	399	rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
	400	}
6c1071ee	401	}
e5da3876	402
6c1071ee	403	print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>";
e5da3876	404
52259377	405	$mtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
6c1071ee	406	($averages, $width, $height) =
75dbe166	407	RRDs::graph("${outdir}/${hostname}.${var}.year.png.work",
6c1071ee	408	"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);
e5da3876	409
6c1071ee MG	410	if (RRDs::error) {
	411	print "Error while graphing: " . RRDs::error . "\n";
	412	} else {
52259377	413	my $newmtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
f004592a	414	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	415	copy("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
	416	rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
	417	}
6c1071ee	418	}
e18c93b3	419
6c1071ee	420	print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>";
e18c93b3	421
6c1071ee MG	422	print HTML2 "</body></html>\n";
	423	close(HTML2);
	424	rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
	425	}
e18c93b3 MG	426	}
	427
	428	print HTML "</body></html>\n";
	429	print HTML "<br>Generated on: " . localtime(time());
863e62dc	430	print HTML ' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';
e18c93b3 MG	431
	432	close(HTML);
	433
	434	rename("${outdir}/index.html.new", "${outdir}/index.html");
	435
	436	sleep(${step}/2);
	437	}