[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 IO::Select;
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);

	my $select = IO::Select->new($sock);

	my $value = undef;

	if ($select->can_read(1)) {
		chomp($value) if (sysread($sock, $value, 4096) > 0);
	}

	close($sock);

	if (!$value) {
		return undef;
	}

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

	$value;
}

sub fetch_tcp_multi(@) {
	my $address = shift;
	my $port = shift;
	my $delimiter = shift;
	my %values;

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

	return undef if (!$sock);

	my $select = IO::Select->new($sock);

	while($select->can_read(1)) {
		if (sysread($sock, my $buf, 16384) > 0) {
			$buf=~s/\r//g;
			foreach my $line (split(/\n/, $buf)) {
				(my $key, my $value) = split(/${delimiter}/, $line);
				$value=~ s/\s//g;
				$values{$key} = $value;
			}
		} else {
			last;
		}
	}

	close($sock);

	%values;
}

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'};
		my %multi_values = ();

		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'});
			} elsif ($vars->{$var}->{'proto'} eq 'tcp_multi') {
				if (defined($multi_values{$vars->{$var}->{'multi_id'}})) {
					$result = $multi_values{$vars->{$var}->{'multi_id'}}
				} else {
					my %values = fetch_tcp_multi($host->{'address'}, $vars->{$var}->{'port'}, $vars->{$var}->{'multi_delimiter'});
					@multi_values{keys %values} = values %values;
					$result = $multi_values{$vars->{$var}->{'multi_id'}};
				}
			}

			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="Content-Type" content="text/html; charset=utf-8"><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>' . $vars->{$var}->{'name'} . '</title></head>';
			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>\n";

			$mtime=(stat("${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>\n";

			$mtime=(stat("${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>\n";

			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;
3679b927	14	use IO::Select;
e5da3876	15	use RRDs;
e26b065f	16	use File::Copy;
e5da3876	17	use Data::Dumper;
e18c93b3	18
1c9fb9df	19	$UPSGRAPH::outdir = "";
1c9fb9df	20	$UPSGRAPH::step = 60;
e5da3876	21	$UPSGRAPH::keep = (3702460*60)/$UPSGRAPH::step;
6c1071ee	22	$UPSGRAPH::hosts = ();
e18c93b3	23
1c9fb9df	24	do $ARGV[0] or die "can't read config: $!";
e18c93b3	25
1c9fb9df	26	my $outdir = $UPSGRAPH::outdir;
1c9fb9df	27	my $step = $UPSGRAPH::step;
e5da3876	28	my $keep = $UPSGRAPH::keep;
6c1071ee	29	my $hosts = $UPSGRAPH::hosts;
e18c93b3	30
f49c04f7 MG	31	sub rrd_update(@) {
	32	my @args = @_;
	33
	34	if ($use_rrds == 1) {
	35	RRDs::update(@args);
	36	$rrd_result = RRDs::error;
	37	} else {
	38	$rrd_result = system("rrdtool", "update", @args);
	39	}
	40	}
	41
	42	sub rrd_graph(@) {
	43	my @args = @_;
	44	my @rrd_out = ();
	45
	46	if ($use_rrds == 1) {
	47	@rrd_out = RRDs::graph(@args);
	48	$rrd_result = RRDs::error;
	49	} else {
	50	my $rrd_stdout;
	51
	52	open(RRDFD, '-\|', 'rrdtool', 'graph', @args);
	53	while(<RRDFD>) {
	54	chomp;
	55	$rrd_stdout = $_;
	56	}
	57	close(RRDFD);
	58	$rrd_result = $?;
	59	if ($rrd_result == 0) {
	60	push @rrd_out, 0;
	61	push @rrd_out, split(/x/, $rrd_stdout);
	62	}
	63	}
	64
	65	return @rrd_out;
	66	}
	67
e5da3876	68	sub rrdcreate(@) {
21377f43 MG	69	my $newrrd = shift;
21377f43 MG	70	my $field = shift;
6c1071ee	71	my $vars = shift;
e5da3876 MG	72	my $start = shift;
e5da3876 MG	73
21377f43	74	my @cmd = ("${newrrd}", "--step=${step}");
e5da3876 MG	75
	76	if (defined($start)) {
	77	push @cmd, "--start=${start}";
	78	}
	79
21377f43 MG	80	push @cmd, "DS:${field}:GAUGE:600:" .
	81	$vars->{$field}->{'min'} . ":" .
	82	$vars->{$field}->{'max'} . " ";
	83
e5da3876 MG	84	push @cmd, "RRA:AVERAGE:0.5:1:${keep}";
	85
	86	RRDs::create(@cmd);
	87	if (RRDs::error) {
	88	print "Error while creating: " . RRDs::error . "\n";
	89	exit 1;
	90	}
	91	}
	92
6c1071ee MG	93	sub fetch_snmp(@) {
	94	my $address = shift;
	95	my $community = shift;
	96	my $oid = shift;
e5da3876	97
6c1071ee MG	98	(my $session, my $error) = Net::SNMP->session(Hostname => $address,
6c1071ee MG	99	Community => $community);
e18c93b3	100
0e572cdc MG	101	if (!$session) {
0e572cdc MG	102	print STDERR "session error: $error";
e0acc35a	103	return undef;
0e572cdc	104	}
e5da3876	105
6c1071ee	106	$session->translate(0);
e5da3876	107
0e572cdc	108	my $result = $session->get_request($oid);
e5da3876	109
6c1071ee	110	$session->close;
21377f43	111
0e572cdc MG	112	return undef if (!defined($result));
	113
	114	$result->{$oid};
	115	}
	116
	117	sub fetch_tcp(@) {
	118	my $address = shift;
	119	my $port = shift;
	120
	121	my $sock = IO::Socket::INET->new(PeerAddr => $address,
	122	PeerPort => $port,
	123	Proto => 'tcp',
	124	Timeout => 1);
	125
	126	return undef if (!$sock);
	127
3679b927 MG	128	my $select = IO::Select->new($sock);
	129
	130	my $value = undef;
	131
	132	if ($select->can_read(1)) {
	133	chomp($value) if (sysread($sock, $value, 4096) > 0);
	134	}
0e572cdc MG	135
	136	close($sock);
	137
	138	if (!$value) {
	139	return undef;
	140	}
	141
	142	$value=~ s/\s//g;
	143
	144	$value;
6c1071ee	145	}
e5da3876	146
b57167a1 MG	147	sub fetch_tcp_multi(@) {
	148	my $address = shift;
	149	my $port = shift;
	150	my $delimiter = shift;
	151	my %values;
	152
	153	my $sock = IO::Socket::INET->new(PeerAddr => $address,
	154	PeerPort => $port,
	155	Proto => 'tcp',
	156	Timeout => 1);
	157
	158	return undef if (!$sock);
	159
3679b927 MG	160	my $select = IO::Select->new($sock);
	161
	162	while($select->can_read(1)) {
	163	if (sysread($sock, my $buf, 16384) > 0) {
	164	$buf=~s/\r//g;
	165	foreach my $line (split(/\n/, $buf)) {
	166	(my $key, my $value) = split(/${delimiter}/, $line);
	167	$value=~ s/\s//g;
	168	$values{$key} = $value;
	169	}
	170	} else {
	171	last;
	172	}
b57167a1 MG	173	}
	174
	175	close($sock);
	176
	177	%values;
	178	}
	179
6c1071ee MG	180	if ($> == 0) {
	181	if (@ARGV != 2) {
	182	print STDERR "Running as root, please provide UID as 2th argument!\n";
	183	exit(1);
e5da3876 MG	184	}
e5da3876 MG	185
6c1071ee MG	186	print "Running as root, switching to ".$ARGV[1]."\n";
6c1071ee MG	187	$< = $> = $ARGV[1];
21377f43	188	}
e5da3876	189
6c1071ee MG	190	foreach my $host (@$hosts) {
6c1071ee MG	191	my $rrdfile = $host->{'rrdfile'};
21377f43	192
46ead44b MG	193	foreach my $var (keys(%{$host->{'vars'}})) {
	194	$host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
	195	$host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
	196	}
	197
6c1071ee MG	198	if (-e "${rrdfile}") {
6c1071ee MG	199	print "Reading old ${rrdfile} to preserve data...\n";
e5da3876	200
6c1071ee MG	201	my $rrdinfo = RRDs::info("${rrdfile}");
	202	if (RRDs::error) {
	203	print "Error while getting info: " . RRDs::error . "\n";
	204	exit 1;
	205	}
21377f43 MG	206
21377f43 MG	207	(my $start, my $ostep, my $names, my $data) =
6c1071ee	208	RRDs::fetch("${rrdfile}",
21377f43 MG	209	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	210	"AVERAGE");
	211
	212	if (RRDs::error) {
	213	print "Error while fetching data: " . RRDs::error . "\n";
	214	exit 1;
	215	}
	216
6c1071ee MG	217	foreach my $field (@$names) {
	218	if (! -e "${rrdfile}.${field}") {
	219	rrdcreate("${rrdfile}.${field}",
	220	"${field}",
	221	$host->{'vars'},
	222	(${start}-${ostep}));
	223	}
	224	}
21377f43 MG	225
	226	my $pos = $start;
	227	foreach my $line (@$data) {
6c1071ee MG	228	foreach my $field (@$names) {
6c1071ee MG	229	my $val = shift (@$line);
21377f43	230	$val = 'U' if (!defined($val));
21377f43	231
6c1071ee MG	232	RRDs::update("${rrdfile}.${field}", "${pos}:${val}");
	233	if (RRDs::error) {
	234	print "Can't insert data: " . RRDs::error . "\n";
	235	exit 1;
	236	}
	237
21377f43	238	}
6c1071ee	239
21377f43 MG	240	$pos += $ostep;
	241
	242	if ((($pos-$start)/$ostep) == $#$data) {
	243	last;
	244	}
	245	}
	246
6c1071ee MG	247	rename("${rrdfile}", "${rrdfile}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	248	}
21377f43	249
6c1071ee MG	250	foreach my $field (@{$host->{'fields'}}) {
	251	if (! -e "${rrdfile}.${field}") {
	252	print "Creating ${rrdfile}.${field}...\n";
	253	rrdcreate("${rrdfile}.${field}",
	254	"${field}",
	255	$host->{'vars'});
	256	}
	257
	258	my $rrdinfo = RRDs::info("${rrdfile}.${field}");
21377f43 MG	259	if (RRDs::error) {
	260	print "Error while getting info: " . RRDs::error . "\n";
	261	exit 1;
	262	}
	263
178e4778 MG	264	if (defined($rrdinfo->{"ds[${field}].min"})) {
	265	if ($rrdinfo->{"ds[${field}].min"} ne $host->{'vars'}->{$field}->{'min'}) {
	266	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	267	}
	268	} else {
	269	if ($host->{'vars'}->{$field}->{'min'} ne 'U') {
	270	RRDs::tune("${rrdfile}.${field}","-i",$field.":".$host->{'vars'}->{$field}->{'min'});
	271	}
	272	}
	273
	274	if (RRDs::error) {
	275	print "Error while setting min: " . RRDs::error . "\n";
	276	exit 1;
	277	}
	278
	279	if (defined($rrdinfo->{"ds[${field}].max"})) {
	280	if ($rrdinfo->{"ds[${field}].max"} ne $host->{'vars'}->{$field}->{'max'}) {
178e4778 MG	281	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	282	}
	283	} else {
	284	if ($host->{'vars'}->{$field}->{'max'} ne 'U') {
	285	RRDs::tune("${rrdfile}.${field}","-a",$field.":".$host->{'vars'}->{$field}->{'max'});
	286	}
	287	}
	288
	289	if (RRDs::error) {
	290	print "Error while setting max: " . RRDs::error . "\n";
	291	exit 1;
	292	}
	293
21377f43	294	if ($rrdinfo->{'rra[0].rows'} != $keep) {
6c1071ee MG	295	print "Resizing ${rrdfile}.${field} from " . $rrdinfo->{'rra[0].rows'} .
6c1071ee MG	296	" to ${keep} samples.\n";
e18c93b3	297
6c1071ee MG	298	(my $start, my $ostep, my $names, my $data) =
	299	RRDs::fetch("${rrdfile}.${field}",
	300	"-s " . (time() - ($rrdinfo->{'rra[0].rows'} * $rrdinfo->{'step'})),
	301	"AVERAGE");
6aa53fc5	302
6c1071ee MG	303	if (RRDs::error) {
	304	print "Error while fetching data: " . RRDs::error . "\n";
	305	exit 1;
	306	}
6aa53fc5	307
6c1071ee MG	308	rrdcreate("${rrdfile}.${field}.new",
	309	"${field}",
	310	$host->{'vars'},
	311	(${start}-${ostep}));
6aa53fc5	312
6c1071ee	313	print "Preserving data since " . localtime($start) . "\n";
e18c93b3	314
6c1071ee MG	315	my $pos = $start;
	316	foreach my $line (@$data) {
	317	my $vline = "${pos}";
e18c93b3	318
6c1071ee MG	319	foreach my $val (@$line) {
	320	$val = 'U' if (!defined($val));
	321	$vline .= ":${val}";
	322	}
	323	RRDs::update("${rrdfile}.${field}.new", $vline) or die "Can't insert data\n";
e18c93b3	324
6c1071ee MG	325	if (RRDs::error) {
	326	print "Error while updating: " . RRDs::error . "\n";
	327	exit 1;
	328	}
	329	$pos += $ostep;
e18c93b3	330
6c1071ee MG	331	if ((($pos-$start)/$ostep) == $#$data) {
	332	last;
	333	}
	334	}
e18c93b3	335
6c1071ee MG	336	rename("${rrdfile}.${field}", "${rrdfile}.${field}.old") or die "Can't rename old file: $!\n";
6c1071ee MG	337	rename("${rrdfile}.${field}.new", "${rrdfile}.${field}") or die "Can't rename new file: $!\n";
e18c93b3	338
6c1071ee MG	339	$rrdinfo = RRDs::info("${rrdfile}.${field}");
	340	if (RRDs::error) {
	341	print "Error while getting info: " . RRDs::error . "\n";
	342	exit 1;
	343	}
e18c93b3	344
6c1071ee MG	345	if ($rrdinfo->{'rra[0].rows'} != $keep) {
	346	print "Failed!\n";
	347	exit 1;
	348	}
e18c93b3	349	}
e18c93b3	350	}
6c1071ee MG	351	}
	352
	353	my $child = fork();
e18c93b3	354
6c1071ee MG	355	die "fork failed!" if (!defined($child));
	356
	357	exit 0 if ($child != 0);
	358
	359	while(1) {
e18c93b3 MG	360	open(HTML, ">${outdir}/index.html.new");
e18c93b3 MG	361
2c148a8e	362	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	363	print HTML '<body bgcolor="#ffffff">';
e18c93b3 MG	364
6c1071ee	365	foreach my $host (@$hosts) {
2c148a8e MG	366	print HTML "[<a href=\"#".${host}->{'name'}."\">".${host}->{'name'}."</a>] ";
	367	}
	368	print HTML "<br>\n";
	369
	370	foreach my $host (@$hosts) {
	371	print HTML "<br>\n";
	372	print HTML "<a name=\"".${host}->{'name'}."\"></a>\n";
6c1071ee MG	373	my $vars = $host->{'vars'};
	374	my $rrdfile = $host->{'rrdfile'};
	375	my $hostname = $host->{'name'};
b57167a1	376	my %multi_values = ();
6c1071ee MG	377
	378	foreach my $var (@{$host->{'fields'}}) {
	379	delete $vars->{$var}->{'value'};
e5da3876	380
0e572cdc MG	381	my $result;
	382
	383	if ((!defined($vars->{$var}->{'proto'})) \|\|
	384	($vars->{$var}->{'proto'} eq '') \|\|
	385	($vars->{$var}->{'proto'} eq 'snmp')) {
	386	$result = fetch_snmp($host->{'address'}, $host->{'community'}, $vars->{$var}->{'oid'});
	387	} elsif ($vars->{$var}->{'proto'} eq 'tcp') {
	388	$result = fetch_tcp($host->{'address'}, $vars->{$var}->{'port'});
b57167a1 MG	389	} elsif ($vars->{$var}->{'proto'} eq 'tcp_multi') {
	390	if (defined($multi_values{$vars->{$var}->{'multi_id'}})) {
	391	$result = $multi_values{$vars->{$var}->{'multi_id'}}
	392	} else {
	393	my %values = fetch_tcp_multi($host->{'address'}, $vars->{$var}->{'port'}, $vars->{$var}->{'multi_delimiter'});
	394	@multi_values{keys %values} = values %values;
	395	$result = $multi_values{$vars->{$var}->{'multi_id'}};
	396	}
0e572cdc MG	397	}
0e572cdc MG	398
6c1071ee MG	399	next unless (defined $result);
6c1071ee MG	400
0e572cdc	401	$vars->{$var}->{'value'} = $result;
6c1071ee MG	402	if (defined($vars->{$var}->{'factor'})) {
	403	$vars->{$var}->{'value'} *= $vars->{$var}->{'factor'};
	404	}
	405	}
	406
	407	foreach my $var (@{$host->{'fields'}}) {
	408	if (!(defined($vars->{$var}->{'value'}))) {
	409	$vars->{$var}->{'value'} = 'U';
	410	}
f49c04f7	411	rrd_update("${rrdfile}.${var}", "N:" . $vars->{$var}->{'value'});
6c1071ee	412	}
f49c04f7 MG	413	if ($rrd_result) {
f49c04f7 MG	414	print "Error while updating: " . $rrd_result . "\n";
e5da3876 MG	415	}
e5da3876 MG	416
6c1071ee	417	foreach my $var (@{$host->{'fields'}}) {
de10ff59	418	my @graphdef = ('-P', "--lazy", "-t", $hostname." - ".$vars->{$var}->{'name'}, "DEF:${var}=${rrdfile}.${var}:${var}:AVERAGE", "LINE1:${var}#FF0000");
0e74e3d8 MG	419
0e74e3d8 MG	420	push @graphdef, "VDEF:cur=${var},LAST";
de10ff59	421	push @graphdef, 'GPRINT:cur:Current\\: <span foreground="#FF0000">%.2lf</span>\\r';
52259377 MG	422
	423	my $mtime;
	424	$mtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
	425
6c1071ee	426	(my $averages, my $width, my $height) =
f49c04f7	427	rrd_graph("${outdir}/${hostname}.${var}.png.work",
6c1071ee	428	"-w", "720", @graphdef);
e5da3876	429
0e74e3d8 MG	430	pop @graphdef;
	431	pop @graphdef;
	432
f49c04f7 MG	433	if ($rrd_result) {
f49c04f7 MG	434	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	435	} else {
52259377	436	my $newmtime=(stat("${outdir}/${hostname}.${var}.png.work"))[9];
f004592a	437	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	438	copy("${outdir}/${hostname}.${var}.png.work", "${outdir}/${hostname}.${var}.png.new");
	439	rename("${outdir}/${hostname}.${var}.png.new", "${outdir}/${hostname}.${var}.png");
	440	}
6c1071ee	441	}
e5da3876	442
2c148a8e	443	print HTML "<a href=\"${hostname}.${var}.html\"><img src=\"${hostname}.${var}.png\" width=\"${width}\" height=\"${height}\" border=\"0\"></a><br>\n";
58c56c83	444
6c1071ee	445	open (HTML2, ">${outdir}/${hostname}.${var}.html.new");
41cfd723	446	print HTML2 '<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta http-equiv="refresh" content="60"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="pragma" content="no-cache"/><meta http_equiv="expires" content="Sat, 26 Jul 1997 05:00:00 GMT"/><title>' . $vars->{$var}->{'name'} . '</title></head>';
6c1071ee	447	print HTML2 '<body bgcolor="#ffffff">';
58c56c83	448
6c1071ee MG	449	push @graphdef, "VDEF:min=${var},MINIMUM";
6c1071ee MG	450	push @graphdef, "GPRINT:min:Minimum\\: %.2lf";
58c56c83	451
6c1071ee MG	452	push @graphdef, "VDEF:avg=${var},AVERAGE";
6c1071ee MG	453	push @graphdef, "GPRINT:avg:Average\\: %.2lf";
58c56c83	454
6c1071ee MG	455	push @graphdef, "VDEF:max=${var},MAXIMUM";
6c1071ee MG	456	push @graphdef, "GPRINT:max:Maximum\\: %.2lf";
e5da3876	457
6c1071ee MG	458	push @graphdef, "VDEF:cur=${var},LAST";
6c1071ee MG	459	push @graphdef, "GPRINT:cur:Current\\: %.2lf";
e5da3876	460
52259377	461	$mtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
6c1071ee	462	($averages, $width, $height) =
f49c04f7	463	rrd_graph("${outdir}/${hostname}.${var}.long.png.work",
6c1071ee	464	"-w", "1008", @graphdef);
e5da3876	465
f49c04f7 MG	466	if ($rrd_result) {
f49c04f7 MG	467	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	468	} else {
52259377	469	my $newmtime=(stat("${outdir}/${hostname}.${var}.long.png.work"))[9];
f004592a	470	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	471	copy("${outdir}/${hostname}.${var}.long.png.work", "${outdir}/${hostname}.${var}.long.png.new");
	472	rename("${outdir}/${hostname}.${var}.long.png.new", "${outdir}/${hostname}.${var}.long.png");
	473	}
6c1071ee	474	}
e5da3876	475
1c46ea61	476	print HTML2 "<img src=\"${hostname}.${var}.long.png\" width=\"${width}\" height=\"${height}\"><br>\n";
6c1071ee	477
52259377	478	$mtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
6c1071ee	479	($averages, $width, $height) =
f49c04f7	480	rrd_graph("${outdir}/${hostname}.${var}.week.png.work",
6c1071ee MG	481	"-w", "1008", "-e", "now", "-s", "end-1w", @graphdef);
6c1071ee MG	482
f49c04f7 MG	483	if ($rrd_result) {
f49c04f7 MG	484	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	485	} else {
52259377	486	my $newmtime=(stat("${outdir}/${hostname}.${var}.week.png.work"))[9];
f004592a	487	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	488	copy("${outdir}/${hostname}.${var}.week.png.work", "${outdir}/${hostname}.${var}.week.png.new");
	489	rename("${outdir}/${hostname}.${var}.week.png.new", "${outdir}/${hostname}.${var}.week.png");
	490	}
6c1071ee	491	}
e5da3876	492
1c46ea61	493	print HTML2 "<img src=\"${hostname}.${var}.week.png\" width=\"${width}\" height=\"${height}\"><br>\n";
e5da3876	494
52259377	495	$mtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
6c1071ee	496	($averages, $width, $height) =
f49c04f7	497	rrd_graph("${outdir}/${hostname}.${var}.year.png.work",
6c1071ee	498	"-w", "1008", "-e", "now", "-s", "end-1y", @graphdef);
e5da3876	499
f49c04f7 MG	500	if ($rrd_result) {
f49c04f7 MG	501	print "Error while graphing: " . $rrd_result . "\n";
6c1071ee	502	} else {
52259377	503	my $newmtime=(stat("${outdir}/${hostname}.${var}.year.png.work"))[9];
f004592a	504	if ((!defined($mtime)) \|\| ($newmtime != $mtime)) {
52259377 MG	505	copy("${outdir}/${hostname}.${var}.year.png.work", "${outdir}/${hostname}.${var}.year.png.new");
	506	rename("${outdir}/${hostname}.${var}.year.png.new", "${outdir}/${hostname}.${var}.year.png");
	507	}
6c1071ee	508	}
e18c93b3	509
1c46ea61	510	print HTML2 "<img src=\"${hostname}.${var}.year.png\" width=\"${width}\" height=\"${height}\"><br>\n";
e18c93b3	511
6c1071ee MG	512	print HTML2 "</body></html>\n";
	513	close(HTML2);
	514	rename("${outdir}/${hostname}.${var}.html.new", "${outdir}/${hostname}.${var}.html");
	515	}
e18c93b3 MG	516	}
	517
	518	print HTML "</body></html>\n";
	519	print HTML "<br>Generated on: " . localtime(time());
863e62dc	520	print HTML ' by <a href="http://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph">upsgraph</a>.';
e18c93b3 MG	521
	522	close(HTML);
	523
	524	rename("${outdir}/index.html.new", "${outdir}/index.html");
	525
	526	sleep(${step}/2);
	527	}