From 6fb3053c7373a56dbf3957e0681c351d56a04903 Mon Sep 17 00:00:00 2001
From: Jordi Sanfeliu <jordi@fibranet.cat>
Date: Mon, 13 Jul 2015 17:32:45 +0200
Subject: [PATCH] added a complete graph for the 'upsc' (Network UPS Tools)
 command. #95

---
 Changes                   |    1 +
 lib/nut.pm                | 1015 +++++++++++++++++++++++++++++++++++++
 man/man5/monitorix.conf.5 |   13 +
 monitorix.conf            |   19 +-
 4 files changed, 1047 insertions(+), 1 deletion(-)
 create mode 100644 lib/nut.pm

diff --git a/Changes b/Changes
index 4f314a3..cc6903a 100644
--- a/Changes
+++ b/Changes
@@ -4,6 +4,7 @@
 	(suggested by Julien Flatrès, julien_flatres AT yahoo.fr)
 - Added a complete graph for the PageSpeed Module.
 	(suggested by Jeroen Kik, monitorix AT steelyard.nl)
+- Added a complete graph for the 'upsc' (Network UPS Tools) command. [#95]
 - Changed the code in Wowza Server graph to treat MessagesInBytesRate and
   MessagesOutBytesRate as gauge values. [#86]
 - Changed to a clickable link the bottom URL in the Apache graph, and fixed the
diff --git a/lib/nut.pm b/lib/nut.pm
new file mode 100644
index 0000000..b72f6e2
--- /dev/null
+++ b/lib/nut.pm
@@ -0,0 +1,1015 @@
+#
+# Monitorix - A lightweight system monitoring tool.
+#
+# Copyright (C) 2005-2015 by Jordi Sanfeliu <jordi@fibranet.cat>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+
+package nut;
+
+use strict;
+use warnings;
+use Monitorix;
+use RRDs;
+use Exporter 'import';
+our @EXPORT = qw(nut_init nut_update nut_cgi);
+
+sub nut_init {
+	my $myself = (caller(0))[3];
+	my ($package, $config, $debug) = @_;
+	my $rrd = $config->{base_lib} . $package . ".rrd";
+	my $nut = $config->{nut};
+
+	my $info;
+	my @ds;
+	my @rra;
+	my @tmp;
+	my $n;
+
+	my @average;
+	my @min;
+	my @max;
+	my @last;
+
+	if(-e $rrd) {
+		$info = RRDs::info($rrd);
+		for my $key (keys %$info) {
+			if(index($key, 'ds[') == 0) {
+				if(index($key, '.type') != -1) {
+					push(@ds, substr($key, 3, index($key, ']') - 3));
+				}
+			}
+			if(index($key, 'rra[') == 0) {
+				if(index($key, '.rows') != -1) {
+					push(@rra, substr($key, 4, index($key, ']') - 4));
+				}
+													}
+		}
+		if(scalar(@ds) / 21 != scalar(my @il = split(',', $nut->{list}))) {
+			logger("$myself: Detected size mismatch between 'list' (" . scalar(my @il = split(',', $nut->{list})) . ") and $rrd (" . scalar(@ds) / 21 . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
+			rename($rrd, "$rrd.bak");
+		}
+		if(scalar(@rra) < 12 + (4 * $config->{max_historic_years})) {
+			logger("$myself: Detected size mismatch between 'max_historic_years' (" . $config->{max_historic_years} . ") and $rrd (" . ((scalar(@rra) -12) / 4) . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
+			rename($rrd, "$rrd.bak");
+		}
+	}
+
+	if(!(-e $rrd)) {
+		logger("Creating '$rrd' file.");
+		for($n = 1; $n <= $config->{max_historic_years}; $n++) {
+			push(@average, "RRA:AVERAGE:0.5:1440:" . (365 * $n));
+			push(@min, "RRA:MIN:0.5:1440:" . (365 * $n));
+			push(@max, "RRA:MAX:0.5:1440:" . (365 * $n));
+			push(@last, "RRA:LAST:0.5:1440:" . (365 * $n));
+		}
+		for($n = 0; $n < scalar(my @il = split(',', $nut->{list})); $n++) {
+			push(@tmp, "DS:nut" . $n . "_ltran:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_htran:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_ivolt:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_ovolt:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_bchar:GAUGE:120:0:100");
+			push(@tmp, "DS:nut" . $n . "_loadc:GAUGE:120:0:100");
+			push(@tmp, "DS:nut" . $n . "_mbatc:GAUGE:120:0:100");
+			push(@tmp, "DS:nut" . $n . "_nxfer:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_atemp:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_itemp:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_humid:GAUGE:120:0:100");
+			push(@tmp, "DS:nut" . $n . "_battv:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_nomba:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_timel:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_minti:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_linef:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_val01:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_val02:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_val03:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_val04:GAUGE:120:0:U");
+			push(@tmp, "DS:nut" . $n . "_val05:GAUGE:120:0:U");
+		}
+		eval {
+			RRDs::create($rrd,
+				"--step=60",
+				@tmp,
+				"RRA:AVERAGE:0.5:1:1440",
+				"RRA:AVERAGE:0.5:30:336",
+				"RRA:AVERAGE:0.5:60:744",
+				@average,
+				"RRA:MIN:0.5:1:1440",
+				"RRA:MIN:0.5:30:336",
+				"RRA:MIN:0.5:60:744",
+				@min,
+				"RRA:MAX:0.5:1:1440",
+				"RRA:MAX:0.5:30:336",
+				"RRA:MAX:0.5:60:744",
+				@max,
+				"RRA:LAST:0.5:1:1440",
+				"RRA:LAST:0.5:30:336",
+				"RRA:LAST:0.5:60:744",
+				@last,
+			);
+		};
+		my $err = RRDs::error;
+		if($@ || $err) {
+			logger("$@") unless !$@;
+			if($err) {
+				logger("ERROR: while creating $rrd: $err");
+				if($err eq "RRDs::error") {
+					logger("... is the RRDtool Perl package installed?");
+				}
+			}
+			return;
+		}
+	}
+
+	push(@{$config->{func_update}}, $package);
+	logger("$myself: Ok") if $debug;
+}
+
+sub nut_update {
+	my $myself = (caller(0))[3];
+	my ($package, $config, $debug) = @_;
+	my $rrd = $config->{base_lib} . $package . ".rrd";
+	my $nut = $config->{nut};
+
+	my $n;
+	my $rrdata = "N";
+
+	my $e = 0;
+	foreach my $ups (my @nl = split(',', $nut->{list})) {
+		my $ltran = 0;
+		my $htran = 0;
+		my $ivolt = 0;
+		my $ovolt = 0;
+		my $bchar = 0;
+		my $loadc = 0;
+		my $mbatc = 0;
+		my $nxfer = 0;
+		my $atemp = 0;
+		my $itemp = 0;
+		my $humid = 0;
+		my $battv = 0;
+		my $nomba = 0;
+		my $timel = 0;
+		my $minti = 0;
+		my $linef = 0;
+		my $val01 = 0;
+		my $val02 = 0;
+		my $val03 = 0;
+		my $val04 = 0;
+		my $val05 = 0;
+
+		my $data;
+		if(open(PIPE, "upsc $ups |")) {
+			while(<PIPE>) { $data .= $_; }
+			close(PIPE);
+		}
+
+		if(!$data) {
+			logger("$myself: unable to execute 'upsc $ups' command or invalid connection.");
+			$rrdata .= ":$ltran:$htran:$ivolt:$ovolt:$bchar:$loadc:$mbatc:$nxfer:$atemp:$itemp:$humid:$battv:$nomba:$timel:$minti:$linef:0:0:0:0:0";
+			next;
+		}
+
+		foreach(my @l = split('\n', $data)) {
+			if(/^input\.transfer\.low:\s+(\d+\.?\d*)/) {
+				$ltran = $1;
+			}
+			if(/^input\.transfer\.high:\s+(\d+\.?\d*)/) {
+				$htran = $1;
+			}
+			if(/^input\.voltage:\s+(\d+\.?\d*)/) {
+				$ivolt = $1;
+			}
+			if(/^output\.voltage:\s+(\d+\.?\d*)/) {
+				$ovolt = $1;
+			}
+			if(/^battery\.charge:\s+(\d+)/) {
+				$bchar = $1;
+			}
+			if(/^ups\.load:\s+(\d+)/) {
+				$loadc = $1;
+			}
+			if(/^battery\.charge\.low:\s+(\d+)/) {
+				$mbatc = $1;
+			}
+			# nxfer
+			if(/^ambient\.temperature:\s+(\d+\.?\d*)/) {
+				$atemp = $1;
+			}
+			if(/^ups\.temperature:\s+(\d+\.?\d*)/) {
+				$itemp = $1;
+			}
+			if(/^ambient\.humidity:\s+(\d+\.?\d*)/) {
+				$humid = $1;
+			}
+			if(/^battery\.voltage:\s+(\d+\.?\d*)/) {
+				$battv = $1;
+			}
+			if(/^battery\.voltage\.nominal:\s+(\d+\.?\d*)/) {
+				$nomba = $1;
+			}
+			if(/^battery\.runtime:\s+(\d+)/) {
+				$timel = $1;
+			}
+			if(/^battery\.runtime\.low:\s+(\d+)/) {
+				$minti = $1;
+			}
+			if(/^input\.frequency:\s+(\d+\.?\d*)/) {
+				$linef = $1;
+			}
+		}
+		$rrdata .= ":$ltran:$htran:$ivolt:$ovolt:$bchar:$loadc:$mbatc:$nxfer:$atemp:$itemp:$humid:$battv:$nomba:$timel:$minti:$linef:0:0:0:0:0";
+		$e++;
+	}
+
+	RRDs::update($rrd, $rrdata);
+	logger("$myself: $rrdata") if $debug;
+	my $err = RRDs::error;
+	logger("ERROR: while updating $rrd: $err") if $err;
+}
+
+sub nut_cgi {
+	my $myself = (caller(0))[3];
+	my ($package, $config, $cgi) = @_;
+
+	my $nut = $config->{nut};
+	my @rigid = split(',', ($nut->{rigid} || ""));
+	my @limit = split(',', ($nut->{limit} || ""));
+	my $tf = $cgi->{tf};
+	my $colors = $cgi->{colors};
+	my $graph = $cgi->{graph};
+	my $silent = $cgi->{silent};
+	my $zoom = "--zoom=" . $config->{global_zoom};
+	my %rrd = (
+		'new' => \&RRDs::graphv,
+		'old' => \&RRDs::graph,
+	);
+	my $version = "new";
+	my $pic;
+	my $picz;
+	my $picz_width;
+	my $picz_height;
+
+	my $u = "";
+	my $width;
+	my $height;
+	my $temp_scale = "Celsius";
+	my @riglim;
+	my @PNG;
+	my @PNGz;
+	my @tmp;
+	my @tmpz;
+	my @CDEF;
+	my $e;
+	my $e2;
+	my $n;
+	my $n2;
+	my $str;
+	my $err;
+
+	$version = "old" if $RRDs::VERSION < 1.3;
+	my $rrd = $config->{base_lib} . $package . ".rrd";
+	my $title = $config->{graph_title}->{$package};
+	my $PNG_DIR = $config->{base_dir} . "/" . $config->{imgs_dir};
+
+	$title = !$silent ? $title : "";
+
+	if(lc($config->{temperature_scale}) eq "f") {
+		$temp_scale = "Fahrenheit";
+	}
+
+	# text mode
+	#
+	if(lc($config->{iface_mode}) eq "text") {
+		if($title) {
+			main::graph_header($title, 2);
+			print("    <tr>\n");
+			print("    <td bgcolor='$colors->{title_bg_color}'>\n");
+		}
+		my (undef, undef, undef, $data) = RRDs::fetch("$rrd",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"AVERAGE",
+			"-r $tf->{res}");
+		$err = RRDs::error;
+		print("ERROR: while fetching $rrd: $err\n") if $err;
+		my $line1;
+		my $line2;
+		print("    <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
+		print("    ");
+		for($n = 0; $n < scalar(my @pl = split(',', $nut->{list})); $n++) {
+			$line1 .= "    LTrans HTrans InputV OutpuV BCharg  BLoad ShutLv ATemp ITemp Humid Voltag Nomina TimeLf ShutLv Freqcy";
+			$line2 .= "---------------------------------------------------------------------------------------------------------";
+			if($line2) {
+				my $i = length($line2);
+				printf(sprintf("%${i}s", sprintf("%s", trim($pl[$n]))));
+			}
+		}
+		print("\n");
+		print("Time$line1\n");
+		print("----$line2 \n");
+		my $line;
+		my @row;
+		my $time;
+		my $n2;
+		my $from;
+		my $to;
+		for($n = 0, $time = $tf->{tb}; $n < ($tf->{tb} * $tf->{ts}); $n++) {
+			$line = @$data[$n];
+			$time = $time - (1 / $tf->{ts});
+			printf(" %2d$tf->{tc}", $time);
+			for($n2 = 0; $n2 < scalar(my @pl = split(',', $nut->{list})); $n2++) {
+				undef(@row);
+				$from = $n2 * 22;
+				$to = $from + 22;
+				my ($ltran, $htran, $ivolt, $ovolt, $bchar, $loadc, $mbatc, undef, $atemp, $itemp, $humid, $battv, $nomba, $timel, $minti, $linef) = @$line[$from..$to];
+				$itemp = celsius_to($config, $itemp);
+				$atemp = celsius_to($config, $atemp);
+				printf("    %6.1f %6.1f %6.1f %6.1f %6.1f %6.1f %6.1f %5.1f %5.1f %5.1f %6.1f %6.1f %6.1f %6.1f %6.1f", $ltran || 0, $htran || 0, $ivolt || 0, $ovolt || 0, $bchar || 0, $loadc || 0, $mbatc || 0, $atemp || 0, $itemp || 0, $humid || 0, $battv || 0, $nomba || 0, $timel || 0, $minti || 0, $linef || 0);
+			}
+			print("\n");
+		}
+		print("    </pre>\n");
+		if($title) {
+			print("    </td>\n");
+			print("    </tr>\n");
+			main::graph_footer();
+		}
+		print("  <br>\n");
+		return;
+	}
+
+
+	# graph mode
+	#
+	if($silent eq "yes" || $silent eq "imagetag") {
+		$colors->{fg_color} = "#000000";  # visible color for text mode
+		$u = "_";
+	}
+	if($silent eq "imagetagbig") {
+		$colors->{fg_color} = "#000000";  # visible color for text mode
+		$u = "";
+	}
+
+	for($n = 0; $n < scalar(my @nl = split(',', $nut->{list})); $n++) {
+		for($n2 = 1; $n2 <= 6; $n2++) {
+			$str = $u . $package . $n . $n2 . "." . $tf->{when} . ".png";
+			push(@PNG, $str);
+			unlink("$PNG_DIR" . $str);
+			if(lc($config->{enable_zoom}) eq "y") {
+				$str = $u . $package . $n . $n2 . "z." . $tf->{when} . ".png";
+				push(@PNGz, $str);
+				unlink("$PNG_DIR" . $str);
+			}
+		}
+	}
+
+	$e = 0;
+	foreach my $ups (my @nl = split(',', $nut->{list})) {
+
+		my $data;
+		if(open(PIPE, "upsc $ups |")) {
+			while(<PIPE>) { $data .= $_; }
+			close(PIPE);
+		}
+
+		next if !$data;
+
+		my $driver = "";
+		my $model = "";
+		my $status = "";
+		my $transfer = "";
+		foreach(my @l = split('\n', $data)) {
+			if(/^driver\.name:\s+(.*?)$/) {
+				$driver = trim($1);
+				next;
+			}
+			if(/^device\.mfr:\s+(.*?)$/) {
+				$model = trim($1);
+				next;
+			}
+			if(/^device\.model:\s+(.*?)$/) {
+				$model .= " " . trim($1);
+				next;
+			}
+			if(/^ups\.status:\s+(.*?)$/) {
+				$status = trim($1);
+				next;
+			}
+			if(/^input\.transfer\.reason:\s+(\d+)$/) {
+				$transfer = trim($1);
+				next;
+			}
+		}
+		if($RRDs::VERSION > 1.2) {
+			$driver = "COMMENT: $driver\\: $model ($status)\\c",
+			$transfer = "COMMENT: Reason for last transfer to battery\\: $transfer\\c",
+		} else {
+			$driver = "COMMENT: $driver: $model ($status)\\c",
+			$transfer = "COMMENT: Reason for last transfer to battery: $transfer\\c",
+		}
+
+		if($e) {
+			print("  <br>\n");
+		}
+		if($title) {
+			main::graph_header($title, 2);
+		}
+		@riglim = @{setup_riglim($rigid[0], $limit[0])};
+		if($title) {
+			print("    <tr>\n");
+			print("    <td valign='top' bgcolor='$colors->{title_bg_color}'>\n");
+		}
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:htran#EE4444:High input transfer");
+		push(@tmp, "GPRINT:htran:LAST: Current\\: %4.1lf");
+		push(@tmp, "GPRINT:htran:AVERAGE:  Average\\: %4.1lf");
+		push(@tmp, "GPRINT:htran:MIN:  Min\\: %4.1lf");
+		push(@tmp, "GPRINT:htran:MAX:  Max\\: %4.1lf\\n");
+		push(@tmp, "LINE2:ivolt#44EE44:Input voltage");
+		push(@tmp, "GPRINT:ivolt:LAST:       Current\\: %4.1lf");
+		push(@tmp, "GPRINT:ivolt:AVERAGE:  Average\\: %4.1lf");
+		push(@tmp, "GPRINT:ivolt:MIN:  Min\\: %4.1lf");
+		push(@tmp, "GPRINT:ivolt:MAX:  Max\\: %4.1lf\\n");
+		push(@tmp, "LINE2:ovolt#4444EE:Output voltage");
+		push(@tmp, "GPRINT:ovolt:LAST:      Current\\: %4.1lf");
+		push(@tmp, "GPRINT:ovolt:AVERAGE:  Average\\: %4.1lf");
+		push(@tmp, "GPRINT:ovolt:MIN:  Min\\: %4.1lf");
+		push(@tmp, "GPRINT:ovolt:MAX:  Max\\: %4.1lf\\n");
+		push(@tmp, "LINE2:ltran#EE4444:Low input transfer");
+		push(@tmp, "GPRINT:ltran:LAST:  Current\\: %4.1lf");
+		push(@tmp, "GPRINT:ltran:AVERAGE:  Average\\: %4.1lf");
+		push(@tmp, "GPRINT:ltran:MIN:  Min\\: %4.1lf");
+		push(@tmp, "GPRINT:ltran:MAX:  Max\\: %4.1lf\\n");
+		push(@tmpz, "LINE2:htran#EE4444:High input transfer");
+		push(@tmpz, "LINE2:ivolt#44EE44:Input voltage");
+		push(@tmpz, "LINE2:ovolt#4444EE:Output voltage");
+		push(@tmpz, "LINE2:ltran#EE4444:Low input transfer");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+
+		($width, $height) = split('x', $config->{graph_size}->{main});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+		}
+		$pic = $rrd{$version}->("$PNG_DIR" . "$PNG[$e * 6]",
+			"--title=$config->{graphs}->{_nut1}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=PNG",
+			"--vertical-label=Volts",
+			"--width=$width",
+			"--height=$height",
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$colors->{graph_colors}},
+			"DEF:ltran=$rrd:nut" . $e . "_ltran:AVERAGE",
+			"DEF:htran=$rrd:nut" . $e . "_htran:AVERAGE",
+			"DEF:ivolt=$rrd:nut" . $e . "_ivolt:AVERAGE",
+			"DEF:ovolt=$rrd:nut" . $e . "_ovolt:AVERAGE",
+			"CDEF:allvalues=ltran,htran,ivolt,ovolt,+,+,+",
+			@CDEF,
+			"COMMENT: \\n",
+			@tmp,
+			"COMMENT: \\n",
+			$driver);
+		$err = RRDs::error;
+		print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 6]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$PNG_DIR" . "$PNGz[$e * 6]",
+				"--title=$config->{graphs}->{_nut1}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=PNG",
+				"--vertical-label=Volts",
+				"--width=$width",
+				"--height=$height",
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$colors->{graph_colors}},
+				"DEF:ltran=$rrd:nut" . $e . "_ltran:AVERAGE",
+				"DEF:htran=$rrd:nut" . $e . "_htran:AVERAGE",
+				"DEF:ivolt=$rrd:nut" . $e . "_ivolt:AVERAGE",
+				"DEF:ovolt=$rrd:nut" . $e . "_ovolt:AVERAGE",
+				"CDEF:allvalues=ltran,htran,ivolt,ovolt,+,+,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 6]: $err\n") if $err;
+		}
+		$e2 = $e + 1;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /nut$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					print("      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					print("      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6] . "' border='0'></a>\n");
+				}
+			} else {
+				print("      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[1], $limit[1])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "AREA:bchar#4444EE:Charge");
+		push(@tmp, "GPRINT:bchar:LAST:          Current\\: %4.1lf%%");
+		push(@tmp, "GPRINT:bchar:AVERAGE:   Average\\: %4.1lf%%");
+		push(@tmp, "GPRINT:bchar:MIN:   Min\\: %4.1lf%%");
+		push(@tmp, "GPRINT:bchar:MAX:   Max\\: %4.1lf%%\\n");
+		push(@tmp, "AREA:loadc#EE4444:Load capacity");
+		push(@tmp, "GPRINT:loadc:LAST:   Current\\: %4.1lf%%");
+		push(@tmp, "GPRINT:loadc:AVERAGE:   Average\\: %4.1lf%%");
+		push(@tmp, "GPRINT:loadc:MIN:   Min\\: %4.1lf%%");
+		push(@tmp, "GPRINT:loadc:MAX:   Max\\: %4.1lf%%\\n");
+		push(@tmp, "LINE1:bchar#0000EE");
+		push(@tmp, "LINE1:loadc#EE0000");
+		push(@tmp, "LINE2:mbatc#EEEE44:Shutdown level");
+		push(@tmp, "GPRINT:mbatc:LAST:  Current\\: %4.1lf%%");
+		push(@tmp, "GPRINT:mbatc:AVERAGE:   Average\\: %4.1lf%%");
+		push(@tmp, "GPRINT:mbatc:MIN:   Min\\: %4.1lf%%");
+		push(@tmp, "GPRINT:mbatc:MAX:   Max\\: %4.1lf%%\\n");
+		push(@tmpz, "AREA:bchar#4444EE:Charge");
+		push(@tmpz, "AREA:loadc#EE4444:Load");
+		push(@tmpz, "LINE2:mbatc#EEEE44:Shutdown level");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+
+		($width, $height) = split('x', $config->{graph_size}->{main});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+		}
+		$pic = $rrd{$version}->("$PNG_DIR" . "$PNG[$e * 6 + 1]",
+			"--title=$config->{graphs}->{_nut2}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=PNG",
+			"--vertical-label=Percent (%)",
+			"--width=$width",
+			"--height=$height",
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$colors->{graph_colors}},
+			"DEF:bchar=$rrd:nut" . $e . "_bchar:AVERAGE",
+			"DEF:loadc=$rrd:nut" . $e . "_loadc:AVERAGE",
+			"DEF:mbatc=$rrd:nut" . $e . "_mbatc:AVERAGE",
+			"CDEF:allvalues=bchar,mbatc,loadc,+,+",
+			@CDEF,
+			"COMMENT: \\n",
+			@tmp,
+			"COMMENT: \\n",
+			$transfer,
+			"COMMENT: \\n");
+		$err = RRDs::error;
+		print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 6 + 1]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$PNG_DIR" . "$PNGz[$e * 6 + 1]",
+				"--title=$config->{graphs}->{_nut2}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=PNG",
+				"--vertical-label=Percent (%)",
+				"--width=$width",
+				"--height=$height",
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$colors->{graph_colors}},
+				"DEF:bchar=$rrd:nut" . $e . "_bchar:AVERAGE",
+				"DEF:loadc=$rrd:nut" . $e . "_loadc:AVERAGE",
+				"DEF:mbatc=$rrd:nut" . $e . "_mbatc:AVERAGE",
+				"CDEF:allvalues=bchar,mbatc,loadc,+,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 6 + 1]: $err\n") if $err;
+		}
+		$e2 = $e + 2;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /nut$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					print("      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 1] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 1] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					print("      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 1] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 1] . "' border='0'></a>\n");
+				}
+			} else {
+				print("      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 1] . "'>\n");
+			}
+		}
+
+		if($title) {
+			print("    </td>\n");
+			print("    <td valign='top' bgcolor='" . $colors->{title_bg_color} . "'>\n");
+		}
+
+		@riglim = @{setup_riglim($rigid[2], $limit[2])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:_itemp#44EEEE:Internal");
+		push(@tmp, "GPRINT:_itemp:LAST:             Current\\: %4.1lf\\n");
+		push(@tmp, "LINE2:_atemp#4444EE:Ambient");
+		push(@tmp, "GPRINT:_atemp:LAST:              Current\\: %4.1lf\\n");
+		push(@tmp, "GPRINT:humid:LAST:                        Humidity\\: %4.1lf%%\\n");
+		push(@tmpz, "LINE2:_itemp#44EEEE:Internal");
+		push(@tmpz, "LINE2:_atemp#4444EE:Ambient");
+		if(lc($config->{temperature_scale}) eq "f") {
+			push(@CDEF, "CDEF:_itemp=9,5,/,itemp,*,32,+");
+			push(@CDEF, "CDEF:_atemp=9,5,/,atemp,*,32,+");
+		} else {
+			push(@CDEF, "CDEF:_itemp=itemp");
+			push(@CDEF, "CDEF:_atemp=atemp");
+		}
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$PNG_DIR" . "$PNG[$e * 6 + 2]",
+			"--title=$config->{graphs}->{_nut3}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=PNG",
+			"--vertical-label=$temp_scale",
+			"--width=$width",
+			"--height=$height",
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:itemp=$rrd:nut" . $e . "_itemp:AVERAGE",
+			"DEF:atemp=$rrd:nut" . $e . "_atemp:AVERAGE",
+			"DEF:humid=$rrd:nut" . $e . "_humid:AVERAGE",
+			"CDEF:allvalues=itemp,atemp,humid,+,+",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 6 + 2]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$PNG_DIR" . "$PNGz[$e * 6 + 2]",
+				"--title=$config->{graphs}->{_nut3}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=PNG",
+				"--vertical-label=$temp_scale",
+				"--width=$width",
+				"--height=$height",
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:itemp=$rrd:nut" . $e . "_itemp:AVERAGE",
+				"DEF:atemp=$rrd:nut" . $e . "_atemp:AVERAGE",
+				"DEF:humid=$rrd:nut" . $e . "_humid:AVERAGE",
+				"CDEF:allvalues=itemp,atemp,humid,+,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 6 + 2]: $err\n") if $err;
+		}
+		$e2 = $e + 3;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /nut$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					print("      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 2] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 2] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					print("      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 2] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 2] . "' border='0'></a>\n");
+				}
+			} else {
+				print("      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 2] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[3], $limit[3])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:battv#44EEEE:Voltage");
+		push(@tmp, "GPRINT:battv:LAST:              Current\\: %4.1lf\\n");
+		push(@tmp, "LINE2:nomba#4444EE:Nominal");
+		push(@tmp, "GPRINT:nomba:LAST:              Current\\: %4.1lf\\n");
+		push(@tmpz, "LINE2:battv#44EEEE:Voltage");
+		push(@tmpz, "LINE2:nomba#4444EE:Nominal");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$PNG_DIR" . "$PNG[$e * 6 + 3]",
+			"--title=$config->{graphs}->{_nut4}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=PNG",
+			"--vertical-label=Volts",
+			"--width=$width",
+			"--height=$height",
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:battv=$rrd:nut" . $e . "_battv:AVERAGE",
+			"DEF:nomba=$rrd:nut" . $e . "_nomba:AVERAGE",
+			"CDEF:allvalues=battv,nomba,+",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 6 + 3]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$PNG_DIR" . "$PNGz[$e * 6 + 3]",
+				"--title=$config->{graphs}->{_nut4}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=PNG",
+				"--vertical-label=Volts",
+				"--width=$width",
+				"--height=$height",
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:battv=$rrd:nut" . $e . "_battv:AVERAGE",
+				"DEF:nomba=$rrd:nut" . $e . "_nomba:AVERAGE",
+				"CDEF:allvalues=battv,nomba,+",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 6 + 3]: $err\n") if $err;
+		}
+		$e2 = $e + 4;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /nut$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					print("      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 3] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 3] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					print("      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 3] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 3] . "' border='0'></a>\n");
+				}
+			} else {
+				print("      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 3] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[4], $limit[4])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:timel_min#44EEEE:Minutes left");
+		push(@tmp, "GPRINT:timel_min:LAST:         Current\\: %3.0lf\\n");
+		push(@tmp, "LINE2:minti_min#EEEE44:Shutdown level");
+		push(@tmp, "GPRINT:minti_min:LAST:       Current\\: %3.0lf\\n");
+		push(@tmpz, "LINE2:timel_min#44EEEE:Minutes left");
+		push(@tmpz, "LINE2:minti_min#EEEE44:Shutdown level");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$PNG_DIR" . "$PNG[$e * 6 + 4]",
+			"--title=$config->{graphs}->{_nut5}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=PNG",
+			"--vertical-label=Minutes",
+			"--width=$width",
+			"--height=$height",
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:timel=$rrd:nut" . $e . "_timel:AVERAGE",
+			"DEF:minti=$rrd:nut" . $e . "_minti:AVERAGE",
+			"CDEF:allvalues=timel,minti,+",
+			"CDEF:timel_min=timel,60,/",
+			"CDEF:minti_min=minti,60,/",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 6 + 4]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$PNG_DIR" . "$PNGz[$e * 6 + 4]",
+				"--title=$config->{graphs}->{_nut5}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=PNG",
+				"--vertical-label=Minutes",
+				"--width=$width",
+				"--height=$height",
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:timel=$rrd:nut" . $e . "_timel:AVERAGE",
+				"DEF:minti=$rrd:nut" . $e . "_minti:AVERAGE",
+				"CDEF:allvalues=timel,minti,+",
+				"CDEF:timel_min=timel,60,/",
+				"CDEF:minti_min=minti,60,/",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 6 + 4]: $err\n") if $err;
+		}
+		$e2 = $e + 5;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /nut$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					print("      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 4] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 4] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					print("      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 4] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 4] . "' border='0'></a>\n");
+				}
+			} else {
+				print("      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 4] . "'>\n");
+			}
+		}
+
+		@riglim = @{setup_riglim($rigid[5], $limit[5])};
+		undef(@tmp);
+		undef(@tmpz);
+		undef(@CDEF);
+		push(@tmp, "LINE2:linef#EE44EE:Frequency");
+		push(@tmp, "GPRINT:linef:LAST:            Current\\: %1.0lf\\n");
+		push(@tmpz, "LINE2:linef#EE44EE:Frequency");
+		if(lc($config->{show_gaps}) eq "y") {
+			push(@tmp, "AREA:wrongdata#$colors->{gap}:");
+			push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
+			push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
+		}
+		($width, $height) = split('x', $config->{graph_size}->{small});
+		if($silent =~ /imagetag/) {
+			($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
+			($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
+			@tmp = @tmpz;
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+			push(@tmp, "COMMENT: \\n");
+		}
+		$pic = $rrd{$version}->("$PNG_DIR" . "$PNG[$e * 6 + 5]",
+			"--title=$config->{graphs}->{_nut6}  ($tf->{nwhen}$tf->{twhen})",
+			"--start=-$tf->{nwhen}$tf->{twhen}",
+			"--imgformat=PNG",
+			"--vertical-label=Hz",
+			"--width=$width",
+			"--height=$height",
+			@riglim,
+			$zoom,
+			@{$cgi->{version12}},
+			@{$cgi->{version12_small}},
+			@{$colors->{graph_colors}},
+			"DEF:linef=$rrd:nut" . $e . "_linef:AVERAGE",
+			"CDEF:allvalues=linef",
+			@CDEF,
+			@tmp);
+		$err = RRDs::error;
+		print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 6 + 5]: $err\n") if $err;
+		if(lc($config->{enable_zoom}) eq "y") {
+			($width, $height) = split('x', $config->{graph_size}->{zoom});
+			$picz = $rrd{$version}->("$PNG_DIR" . "$PNGz[$e * 6 + 5]",
+				"--title=$config->{graphs}->{_nut6}  ($tf->{nwhen}$tf->{twhen})",
+				"--start=-$tf->{nwhen}$tf->{twhen}",
+				"--imgformat=PNG",
+				"--vertical-label=Hz",
+				"--width=$width",
+				"--height=$height",
+				@riglim,
+				$zoom,
+				@{$cgi->{version12}},
+				@{$cgi->{version12_small}},
+				@{$colors->{graph_colors}},
+				"DEF:linef=$rrd:nut" . $e . "_linef:AVERAGE",
+				"CDEF:allvalues=linef",
+				@CDEF,
+				@tmpz);
+			$err = RRDs::error;
+			print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 6 + 5]: $err\n") if $err;
+		}
+		$e2 = $e + 6;
+		if($title || ($silent =~ /imagetag/ && $graph =~ /nut$e2/)) {
+			if(lc($config->{enable_zoom}) eq "y") {
+				if(lc($config->{disable_javascript_void}) eq "y") {
+					print("      <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 5] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 5] . "' border='0'></a>\n");
+				} else {
+					if($version eq "new") {
+						$picz_width = $picz->{image_width} * $config->{global_zoom};
+						$picz_height = $picz->{image_height} * $config->{global_zoom};
+					} else {
+						$picz_width = $width + 115;
+						$picz_height = $height + 100;
+					}
+					print("      <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $PNGz[$e * 6 + 5] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 5] . "' border='0'></a>\n");
+				}
+			} else {
+				print("      <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $PNG[$e * 6 + 5] . "'>\n");
+			}
+		}
+
+		if($title) {
+			print("    </td>\n");
+			print("    </tr>\n");
+
+			print("    <tr>\n");
+			print "      <td bgcolor='$colors->{title_bg_color}' colspan='2'>\n";
+			print "       <font face='Verdana, sans-serif' color='$colors->{title_fg_color}'>\n";
+			print "       <font size='-1'>\n";
+			print "        <b style='{color: " . $colors->{title_fg_color} . "}'>&nbsp;&nbsp;" . trim($ups) . "</b>\n";
+			print "       </font></font>\n";
+			print "      </td>\n";
+			print("    </tr>\n");
+			main::graph_footer();
+		}
+		$e++;
+	}
+	print("  <br>\n");
+	return;
+}
+
+1;
diff --git a/man/man5/monitorix.conf.5 b/man/man5/monitorix.conf.5
index 32a6846..ab185c8 100644
--- a/man/man5/monitorix.conf.5
+++ b/man/man5/monitorix.conf.5
@@ -1905,6 +1905,19 @@ WARNING: Every time the number of entries in this option changes, Monitorix will
 .P
 Default value: \fIlocalhost:3551\fP
 .RE
+.SS Network UPS Tools statistics (nut.rrd)
+This graph is able to monitor an unlimited number of Network UPS Tools (upsc) installations.
+.P
+.BI list
+.RS
+This is a comma-separated list of UPS names with optionally the hostname and the network port where it's running \fIupsd\fP. The format of each entry must be:
+.P
+upsname[@hostname[:port]]
+.P
+WARNING: Every time the number of entries in this option changes, Monitorix will resize the \fInut.rrd\fP file accordingly, removing all historical data.
+.P
+Default value: \fIups@localhost\fP
+.RE
 .SS Wowza Media Server (wowza.rrd)
 This graph is able to monitor an unlimited number of Wowza servers.
 .P
diff --git a/monitorix.conf b/monitorix.conf
index 1fd307d..b508f9f 100644
--- a/monitorix.conf
+++ b/monitorix.conf
@@ -106,6 +106,7 @@ secure_log_date_format = %b %e
 	phpapc		= n
 	memcached	= n
 	apcupsd		= n
+	nut		= n
 	wowza		= n
 	int		= y
 	verlihub	= n
@@ -570,6 +571,15 @@ secure_log_date_format = %b %e
 </apcupsd>
 
 
+# NUT graph
+# -----------------------------------------------------------------------------
+<nut>
+	list = ups@localhost
+	rigid = 0, 2, 0, 0, 0, 0
+	limit = 100:0, 100, 100:0, 100:0, 100:0, 100:0
+</nut>
+
+
 # WOWZA graph
 # -----------------------------------------------------------------------------
 <wowza>
@@ -735,7 +745,7 @@ logo_bottom = logo_bot.png
 	remote	= 300x100
 </graph_size>
 
-graph_name = system, kern, proc, hptemp, lmsens, nvidia, disk, fs, du, net, netstat, libvirt, process, serv, mail, port, user, ftp, apache, nginx, lighttpd, mysql, varnish, pagespeed, squid, nfss, nfsc, bind, ntp, fail2ban, icecast, raspberrypi, phpapc, memcached, apcupsd, wowza, int, verlihub
+graph_name = system, kern, proc, hptemp, lmsens, nvidia, disk, fs, du, net, netstat, libvirt, process, serv, mail, port, user, ftp, apache, nginx, lighttpd, mysql, varnish, pagespeed, squid, nfss, nfsc, bind, ntp, fail2ban, icecast, raspberrypi, phpapc, memcached, apcupsd, nut, wowza, int, verlihub
 
 <graph_title>
 	system		= System load average and usage
@@ -773,6 +783,7 @@ graph_name = system, kern, proc, hptemp, lmsens, nvidia, disk, fs, du, net, nets
 	phpapc		= Alternative PHP Cache statistics
 	memcached	= Memcached statistics
 	apcupsd		= APC UPS statistics
+	nut		= Network UPS Tools statistics
 	wowza		= Wowza Media Server
 	int		= Devices interrupt activity
 	verlihub	= VerliHub statistics
@@ -929,6 +940,12 @@ graph_name = system, kern, proc, hptemp, lmsens, nvidia, disk, fs, du, net, nets
 	_apcupsd4	= Battery voltage
 	_apcupsd5	= Time left
 	_apcupsd6	= Line frequency
+	_nut1		= Line voltage
+	_nut2		= Battery charge
+	_nut3		= Temperatures
+	_nut4		= Battery voltage
+	_nut5		= Time left
+	_nut6		= Line frequency
 	_wowza1		= Current connections
 	_wowza2		= Messages bytes rate
 	_wowza3		= Connections accepted