[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";
	}

	$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.work",
						"-w", "720", @graphdef);

			if (RRDs::error) {
				print "Error while graphing: " . RRDs::error . "\n";
			} else {
				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><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.work",
						"-w", "1008", @graphdef);

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

			($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 {
				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>";

			($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 {
				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) {
	60	print STDERR "session error: $error";
	61	}
e5da3876	62
6c1071ee	63	$session->translate(0);
e5da3876	64
0e572cdc	65	my $result = $session->get_request($oid);
e5da3876	66
6c1071ee	67	$session->close;
21377f43	68
0e572cdc MG	69	return undef if (!defined($result));
	70
	71	$result->{$oid};
	72	}
	73
	74	sub fetch_tcp(@) {
	75	my $address = shift;
	76	my $port = shift;
	77
	78	my $sock = IO::Socket::INET->new(PeerAddr => $address,
	79	PeerPort => $port,
	80	Proto => 'tcp',
	81	Timeout => 1);
	82
	83	return undef if (!$sock);
	84
	85	chomp(my $value = <$sock>);
	86
	87	close($sock);
	88
	89	if (!$value) {
	90	return undef;
	91	}
	92
	93	$value=~ s/\s//g;
	94
	95	$value;
6c1071ee	96	}
e5da3876	97
6c1071ee MG	98	if ($> == 0) {
	99	if (@ARGV != 2) {
	100	print STDERR "Running as root, please provide UID as 2th argument!\n";
	101	exit(1);
e5da3876 MG	102	}
e5da3876 MG	103
6c1071ee MG	104	print "Running as root, switching to ".$ARGV[1]."\n";
6c1071ee MG	105	$< = $> = $ARGV[1];
21377f43	106	}
e5da3876	107
6c1071ee MG	108	foreach my $host (@$hosts) {
6c1071ee MG	109	my $rrdfile = $host->{'rrdfile'};
21377f43	110
46ead44b MG	111	foreach my $var (keys(%{$host->{'vars'}})) {
	112	$host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
	113	$host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
	114	}
	115
6c1071ee MG	116	if (-e "${rrdfile}") {
6c1071ee MG	117	print "Reading old ${rrdfile} to preserve data...\n";
e5da3876	118
6c1071ee MG	119	my $rrdinfo = RRDs::info("${rrdfile}");
	120	if (RRDs::error) {
	121	print "Error while getting info: " . RRDs::error . "\n";
	122	exit 1;
	123	}
21377f43 MG	124
21377f43 MG	125	(my $start, my $ostep, my $names, my $data) =
6c1071ee	126	RRDs::fetch("${rrdfile}",
21377f43 MG	127	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	128	"AVERAGE");
	129
	130	if (RRDs::error) {
	131	print "Error while fetching data: " . RRDs::error . "\n";
	132	exit 1;
	133	}
	134
6c1071ee MG	135	foreach my $field (@$names) {
	136	if (! -e "${rrdfile}.${field}") {
	137	rrdcreate("${rrdfile}.${field}",
	138	"${field}",
	139	$host->{'vars'},
	140	(${start}-${ostep}));
	141	}
	142	}
21377f43 MG	143
	144	my $pos = $start;
	145	foreach my $line (@$data) {
6c1071ee MG	146	foreach my $field (@$names) {
6c1071ee MG	147	my $val = shift (@$line);
21377f43	148	$val = 'U' if (!defined($val));
21377f43	149
6c1071ee MG	150	RRDs::update("${rrdfile}.${field}", "${pos}:${val}");
	151	if (RRDs::error) {
	152	print "Can't insert data: " . RRDs::error . "\n";
	153	exit 1;
	154	}
	155
21377f43	156	}
6c1071ee	157
21377f43 MG	158	$pos += $ostep;
	159
	160	if ((($pos-$start)/$ostep) == $#$data) {
	161	last;
	162	}
	163	}
	164
6c1071ee MG	165	rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	166	}
21377f43	167
6c1071ee MG	168	foreach my $field (@{$host->{'fields'}}) {
	169	if (! -e "${rrdfile}.${field}") {
	170	print "Creating ${rrdfile}.${field}...\n";
	171	rrdcreate("${rrdfile}.${field}",
	172	"${field}",
	173	$host->{'vars'});
	174	}
	175
	176	my $rrdinfo = RRDs::info("${rrdfile}.${field}");
21377f43 MG	177	if (RRDs::error) {
	178	print "Error while getting info: " . RRDs::error . "\n";
	179	exit 1;
	180	}
	181
178e4778 MG	182	if (defined($rrdinfo->{"ds[${field}].min"})) {
	183	if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
	184	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	185	}
	186	} else {
	187	if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
	188	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	189	}
	190	}
	191
	192	if (RRDs::error) {
	193	print "Error while setting min: " . RRDs::error . "\n";
	194	exit 1;
	195	}
	196
	197	if (defined($rrdinfo->{"ds[${field}].max"})) {
	198	if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
178e4778 MG	199	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	200	}
	201	} else {
	202	if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
	203	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	204	}
	205	}
	206
	207	if (RRDs::error) {
	208	print "Error while setting max: " . RRDs::error . "\n";
	209	exit 1;
	210	}
	211
21377f43	212	if ($rrdinfo->{'rra[0].rows'} != $keep) {
6c1071ee MG	213	print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
6c1071ee MG	214	" to ${keep} samples.\n";
e18c93b3	215
6c1071ee MG	216	(my $start, my $ostep, my $names, my $data) =
	217	RRDs::fetch("${rrdfile}.${field}",
	218	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	219	"AVERAGE");
6aa53fc5	220
6c1071ee MG	221	if (RRDs::error) {
	222	print "Error while fetching data: " . RRDs::error . "\n";
	223	exit 1;
	224	}
6aa53fc5	225
6c1071ee MG	226	rrdcreate("${rrdfile}.${field}.new",
	227	"${field}",
	228	$host->{'vars'},
	229	(${start}-${ostep}));
6aa53fc5	230
6c1071ee	231	print "Preserving data since " . localtime($start) . "\n";
e18c93b3	232
6c1071ee MG	233	my $pos = $start;
	234	foreach my $line (@$data) {
	235	my $vline = "${pos}";
e18c93b3	236
6c1071ee MG	237	foreach my $val (@$line) {
	238	$val = 'U' if (!defined($val));
	239	$vline .= ":${val}";
	240	}
	241	RRDs::update("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";
e18c93b3	242
6c1071ee MG	243	if (RRDs::error) {
	244	print "Error while updating: " . RRDs::error . "\n";
	245	exit 1;
	246	}
	247	$pos += $ostep;
e18c93b3	248
6c1071ee MG	249	if ((($pos-$start)/$ostep) == $#$data) {
	250	last;
	251	}
	252	}
e18c93b3	253
6c1071ee MG	254	rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	255	rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";
e18c93b3	256
6c1071ee MG	257	$rrdinfo = RRDs::info("${rrdfile}.${field}");
	258	if (RRDs::error) {
	259	print "Error while getting info: " . RRDs::error . "\n";
	260	exit 1;
	261	}
e18c93b3	262
6c1071ee MG	263	if ($rrdinfo->{'rra[0].rows'} != $keep) {
	264	print "Failed!\n";
	265	exit 1;
	266	}
e18c93b3	267	}
e18c93b3	268	}
6c1071ee MG	269	}
	270
	271	my $child = fork();
e18c93b3	272
6c1071ee MG	273	die "fork failed!" if (!defined($child));
	274
	275	exit 0 if ($child != 0);
	276
	277	while(1) {
e18c93b3 MG	278	open(HTML, ">${outdir}/index.html.new");
e18c93b3 MG	279
2c148a8e	280	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	281	print HTML '<body bgcolor="#ffffff">';
e18c93b3 MG	282
6c1071ee	283	foreach my $host (@$hosts) {
2c148a8e MG	284	print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>] ";
	285	}
	286	print HTML "<br>\n";
	287
	288	foreach my $host (@$hosts) {
	289	print HTML "<br>\n";
	290	print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
6c1071ee MG	291	my $vars = $host->{'vars'};
	292	my $rrdfile = $host->{'rrdfile'};
	293	my $hostname = $host->{'name'};
	294
	295	foreach my $var (@{$host->{'fields'}}) {
	296	delete $vars->{$var}->{'value'};
e5da3876	297
0e572cdc MG	298	my $result;
	299
	300	if ((!defined($vars->{$var}->{'proto'})) \|\|
	301	($vars->{$var}->{'proto'} eq '') \|\|
	302	($vars->{$var}->{'proto'} eq 'snmp')) {
	303	$result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
	304	} elsif ($vars->{$var}->{'proto'} eq 'tcp') {
	305	$result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
	306	}
	307
6c1071ee MG	308	next unless (defined $result);
6c1071ee MG	309
0e572cdc	310	$vars->{$var}->{'value'} = $result;
6c1071ee MG	311	if (defined($vars->{$var}->{'factor'})) {
	312	$vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
	313	}
	314	}
	315
	316	foreach my $var (@{$host->{'fields'}}) {
	317	if (!(defined($vars->{$var}->{'value'}))) {
	318	$vars->{$var}->{'value'} = 'U';
	319	}
	320	RRDs::update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
	321	}
e5da3876	322	if (RRDs::error) {
6c1071ee	323	print "Error while updating: " . RRDs::error . "\n";
e5da3876 MG	324	}
e5da3876 MG	325
6c1071ee	326	foreach my $var (@{$host->{'fields'}}) {
0d418146	327	my @graphdef = ("--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
6c1071ee	328	(my $averages, my $width, my $height) =
75dbe166	329	RRDs::graph("${outdir}/${hostname}.${var}.png.work",
6c1071ee	330	"-w", "720", @graphdef);
e5da3876	331
6c1071ee MG	332	if (RRDs::error) {
	333	print "Error while graphing: " . RRDs::error . "\n";
	334	} else {
75dbe166 MG	335	copy("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
75dbe166 MG	336	rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
6c1071ee	337	}
e5da3876	338
2c148a8e	339	print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
58c56c83	340
6c1071ee MG	341	open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
	342	print HTML2 "<html><head><title>" . $vars->{$var}->{'name'} . "</title></head>";
	343	print HTML2 '<body bgcolor="#ffffff">';
58c56c83	344
58c56c83	345
6c1071ee MG	346	push @graphdef, "VDEF:min=${var},MINIMUM";
6c1071ee MG	347	push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
58c56c83	348
6c1071ee MG	349	push @graphdef, "VDEF:avg=${var},AVERAGE";
6c1071ee MG	350	push @graphdef, "GPRINT:avg:Average\\: %.2lf";
58c56c83	351
6c1071ee MG	352	push @graphdef, "VDEF:max=${var},MAXIMUM";
6c1071ee MG	353	push @graphdef, "GPRINT:max:Maximum\\: %.2lf";
e5da3876	354
6c1071ee MG	355	push @graphdef, "VDEF:cur=${var},LAST";
6c1071ee MG	356	push @graphdef, "GPRINT:cur:Current\\: %.2lf";
e5da3876	357
6c1071ee	358	($averages, $width, $height) =
75dbe166	359	RRDs::graph("${outdir}/${hostname}.${var}.long.png.work",
6c1071ee	360	"-w", "1008", @graphdef);
e5da3876	361
6c1071ee MG	362	if (RRDs::error) {
	363	print "Error while graphing: " . RRDs::error . "\n";
	364	} else {
75dbe166 MG	365	copy("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
75dbe166 MG	366	rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
6c1071ee	367	}
e5da3876	368
6c1071ee MG	369	print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>";
	370
	371	($averages, $width, $height) =
75dbe166	372	RRDs::graph("${outdir}/${hostname}.${var}.week.png.work",
6c1071ee MG	373	"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);
	374
	375	if (RRDs::error) {
	376	print "Error while graphing: " . RRDs::error . "\n";
	377	} else {
75dbe166 MG	378	copy("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
75dbe166 MG	379	rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
6c1071ee	380	}
e5da3876	381
6c1071ee	382	print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>";
e5da3876	383
6c1071ee	384	($averages, $width, $height) =
75dbe166	385	RRDs::graph("${outdir}/${hostname}.${var}.year.png.work",
6c1071ee	386	"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);
e5da3876	387
6c1071ee MG	388	if (RRDs::error) {
	389	print "Error while graphing: " . RRDs::error . "\n";
	390	} else {
75dbe166 MG	391	copy("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
75dbe166 MG	392	rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
6c1071ee	393	}
e18c93b3	394
6c1071ee	395	print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>";
e18c93b3	396
6c1071ee MG	397	print HTML2 "</body></html>\n";
	398	close(HTML2);
	399	rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
	400	}
e18c93b3 MG	401	}
	402
	403	print HTML "</body></html>\n";
	404	print HTML "<br>Generated on: " . localtime(time());
863e62dc	405	print HTML ' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';
e18c93b3 MG	406
	407	close(HTML);
	408
	409	rename("${outdir}/index.html.new", "${outdir}/index.html");
	410
	411	sleep(${step}/2);
	412	}