Monitorix/lib/gensens.pm

588 lines
18 KiB
Perl

#
# Monitorix - A lightweight system monitoring tool.
#
# Copyright (C) 2005-2017 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 gensens;
use strict;
use warnings;
use Monitorix;
use RRDs;
use POSIX qw(strftime);
use Exporter 'import';
our @EXPORT = qw(gensens_init gensens_update gensens_cgi);
sub gensens_init {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $gensens = $config->{gensens};
my $info;
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($key, 'rra[') == 0) {
if(index($key, '.rows') != -1) {
push(@rra, substr($key, 4, index($key, ']') - 4));
}
}
}
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 * $n));
}
eval {
RRDs::create($rrd,
"--step=60",
"DS:gensens0_s1:GAUGE:120:U:U",
"DS:gensens0_s2:GAUGE:120:U:U",
"DS:gensens0_s3:GAUGE:120:U:U",
"DS:gensens0_s4:GAUGE:120:U:U",
"DS:gensens0_s5:GAUGE:120:U:U",
"DS:gensens0_s6:GAUGE:120:U:U",
"DS:gensens0_s7:GAUGE:120:U:U",
"DS:gensens0_s8:GAUGE:120:U:U",
"DS:gensens0_s9:GAUGE:120:U:U",
"DS:gensens1_s1:GAUGE:120:U:U",
"DS:gensens1_s2:GAUGE:120:U:U",
"DS:gensens1_s3:GAUGE:120:U:U",
"DS:gensens1_s4:GAUGE:120:U:U",
"DS:gensens1_s5:GAUGE:120:U:U",
"DS:gensens1_s6:GAUGE:120:U:U",
"DS:gensens1_s7:GAUGE:120:U:U",
"DS:gensens1_s8:GAUGE:120:U:U",
"DS:gensens1_s9:GAUGE:120:U:U",
"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;
}
}
$config->{gensens_hist_alerts} = ();
push(@{$config->{func_update}}, $package);
logger("$myself: Ok") if $debug;
}
sub gensens_update {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $gensens = $config->{gensens};
my $n;
my $rrdata = "N";
foreach my $sg (sort keys %{$gensens->{list}}) {
my @ls = split(',', $gensens->{list}->{$sg});
for($n = 0; $n < 9; $n++) {
my $val;
my $str;
$val = 0;
$str = trim($ls[$n] || "");
if($gensens->{desc}->{$str}) {
if(open(IN, $gensens->{desc}->{$str})) {
my $unit;
my $c;
$val = <IN>;
$val = trim($val);
$unit = $gensens->{unit}->{$str} || 0;
$c = () = $unit =~ /0/g;
$val /= 10**$c if $unit > 1;
$val *= 10**$c if $unit > 0 && $unit < 1;
close(IN);
} else {
logger("$myself: ERROR: unable to open '$gensens->{desc}->{$str}'.");
}
}
# check alerts for each sensor defined
my @al = split(',', $gensens->{alerts}->{$str} || "");
if(scalar(@al)) {
my $timeintvl = trim($al[0]);
my $threshold = trim($al[1]);
my $script = trim($al[2]);
if(!$threshold || $val < $threshold) {
$config->{gensens_hist_alerts}->{$str} = 0;
} else {
if(!$config->{gensens_hist_alerts}->{$str}) {
$config->{gensens_hist_alerts}->{$str} = time;
}
if($config->{gensens_hist_alerts}->{$str} > 0 && (time - $config->{gensens_hist_alerts}->{$str}) >= $timeintvl) {
if(-x $script) {
logger("$myself: alert on Generic Sensor ($str): executing script '$script'.");
system($script . " " . $timeintvl . " " . $threshold . " " . $val);
} else {
logger("$myself: ERROR: script '$script' doesn't exist or don't has execution permissions.");
}
$config->{gensens_hist_alerts}->{$str} = time;
}
}
}
$rrdata .= ":$val";
}
}
RRDs::update($rrd, $rrdata);
logger("$myself: $rrdata") if $debug;
my $err = RRDs::error;
logger("ERROR: while updating $rrd: $err") if $err;
}
sub gensens_cgi {
my ($package, $config, $cgi) = @_;
my @output;
my $gensens = $config->{gensens};
my @rigid = split(',', ($gensens->{rigid} || ""));
my @limit = split(',', ($gensens->{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 @riglim;
my $temp_scale = "Celsius";
my @IMG;
my @IMGz;
my @tmp;
my @tmpz;
my @CDEF;
my $n;
my $n2;
my $str;
my $err;
my @LC = (
"#EEEE44",
"#4444EE",
"#44EEEE",
"#EE44EE",
"#888888",
"#E29136",
"#44EE44",
"#448844",
"#EE4444",
);
$version = "old" if $RRDs::VERSION < 1.3;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $title = $config->{graph_title}->{$package};
my $IMG_DIR = $config->{base_dir} . "/" . $config->{imgs_dir};
my $imgfmt_uc = uc($config->{image_format});
my $imgfmt_lc = lc($config->{image_format});
$title = !$silent ? $title : "";
if(lc($config->{temperature_scale}) eq "f") {
$temp_scale = "Fahrenheit";
}
# text mode
#
if(lc($config->{iface_mode}) eq "text") {
if($title) {
push(@output, main::graph_header($title, 2));
push(@output, " <tr>\n");
push(@output, " <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;
push(@output, "ERROR: while fetching $rrd: $err\n") if $err;
my $line1;
my $line2;
my $line3;
push(@output, " <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
push(@output, " ");
for($n = 0; $n < 2; $n++) {
$line1 = "";
foreach my $i (split(',', $gensens->{list}->{$n})) {
$i = trim($i);
$str = $i;
$str = sprintf("%10s", substr($str, 0, 10));
$line1 .= " ";
$line2 .= sprintf(" %10s", $str);
$line3 .= "-----------";
}
if($line1) {
my $i = length($line1);
$str = "_gensens" . ($n + 1);
push(@output, sprintf(sprintf("%${i}s", sprintf("%s", trim($config->{graphs}->{$str})))));
}
}
push(@output, "\n");
push(@output, "Time$line2\n");
push(@output, "----$line3 \n");
my $line;
my @row;
my $time;
my $n2;
my $n3;
my $from;
my $to;
for($n = 0, $time = $tf->{tb}; $n < ($tf->{tb} * $tf->{ts}); $n++) {
$line = @$data[$n];
$time = $time - (1 / $tf->{ts});
push(@output, sprintf(" %2d$tf->{tc} ", $time));
for($n2 = 0; $n2 < 2; $n2++) {
$n3 = 0;
foreach my $i (split(',', $gensens->{list}->{$n2})) {
$from = $n2 * 9 + $n3++;
$to = $from + 1;
my ($j) = @$line[$from..$to];
@row = ($j);
push(@output, sprintf("%10d ", @row));
}
}
push(@output, "\n");
}
push(@output, " </pre>\n");
if($title) {
push(@output, " </td>\n");
push(@output, " </tr>\n");
push(@output, main::graph_footer());
}
push(@output, " <br>\n");
return @output;
}
# graph mode
#
if($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; $n < keys(%{$gensens->{list}}); $n++) {
$str = $u . $package . $n . "." . $tf->{when} . ".$imgfmt_lc";
push(@IMG, $str);
unlink("$IMG_DIR" . $str);
if(lc($config->{enable_zoom}) eq "y") {
$str = $u . $package . $n . "z." . $tf->{when} . ".$imgfmt_lc";
push(@IMGz, $str);
unlink("$IMG_DIR" . $str);
}
}
my (@ls, $max, @sg);
$max = max(scalar(@sg = split(',', $gensens->{list}->{0}), @sg = split(',', $gensens->{list}->{1})));
# Temperatures
if($title) {
push(@output, main::graph_header($title, 2));
push(@output, " <tr>\n");
}
@riglim = @{setup_riglim($rigid[0], $limit[0])};
undef(@tmp);
undef(@tmpz);
undef(@CDEF);
@ls = split(',', $gensens->{list}->{0});
for($n = 0; $n < 9; $n++) {
my $str = trim($ls[$n] || "");
if($str) {
$str = $gensens->{map}->{$str} ? $gensens->{map}->{$str} : $str;
$str = sprintf("%-20s", substr($str, 0, 20));
push(@tmp, "LINE2:gsen" . $n . $LC[$n] . ":$str");
push(@tmp, "GPRINT:gsen" . $n . ":LAST: Cur\\:%5.1lf%s");
push(@tmp, "GPRINT:gsen" . $n . ":MIN: Min\\:%5.1lf%s");
push(@tmp, "GPRINT:gsen" . $n . ":MAX: Max\\:%5.1lf%s\\n");
push(@tmpz, "LINE2:gsen" . $n . $LC[$n] . ":$str");
next;
}
last;
}
while($n < $max) {
push(@tmp, "COMMENT: \\n");
$n++;
}
if($title) {
push(@output, " <td bgcolor='$colors->{title_bg_color}'>\n");
}
if(lc($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}->{medium});
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[0]",
"--title=$config->{graphs}->{_gensens1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$temp_scale",
"--width=$width",
"--height=$height",
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:gsen0=$rrd:gensens0_s1:AVERAGE",
"DEF:gsen1=$rrd:gensens0_s2:AVERAGE",
"DEF:gsen2=$rrd:gensens0_s3:AVERAGE",
"DEF:gsen3=$rrd:gensens0_s4:AVERAGE",
"DEF:gsen4=$rrd:gensens0_s5:AVERAGE",
"DEF:gsen5=$rrd:gensens0_s6:AVERAGE",
"DEF:gsen6=$rrd:gensens0_s7:AVERAGE",
"DEF:gsen7=$rrd:gensens0_s8:AVERAGE",
"DEF:gsen8=$rrd:gensens0_s9:AVERAGE",
"CDEF:allvalues=gsen0,gsen1,gsen2,gsen3,gsen4,gsen5,gsen6,gsen7,gsen8,+,+,+,+,+,+,+,+",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[0]: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[0]",
"--title=$config->{graphs}->{_gensens1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$temp_scale",
"--width=$width",
"--height=$height",
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:gsen0=$rrd:gensens0_s1:AVERAGE",
"DEF:gsen1=$rrd:gensens0_s2:AVERAGE",
"DEF:gsen2=$rrd:gensens0_s3:AVERAGE",
"DEF:gsen3=$rrd:gensens0_s4:AVERAGE",
"DEF:gsen4=$rrd:gensens0_s5:AVERAGE",
"DEF:gsen5=$rrd:gensens0_s6:AVERAGE",
"DEF:gsen6=$rrd:gensens0_s7:AVERAGE",
"DEF:gsen7=$rrd:gensens0_s8:AVERAGE",
"DEF:gsen8=$rrd:gensens0_s9:AVERAGE",
"CDEF:allvalues=gsen0,gsen1,gsen2,gsen3,gsen4,gsen5,gsen6,gsen7,gsen8,+,+,+,+,+,+,+,+",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[0]: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /gensens0/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[0] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[0] . "' border='0'></a>\n");
} else {
if($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;
}
push(@output, " <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[0] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[0] . "' border='0'></a>\n");
}
} else {
push(@output, " <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[0] . "'>\n");
}
}
if($title) {
push(@output, " </td>\n");
}
# CPU frequency
@riglim = @{setup_riglim($rigid[1], $limit[1])};
undef(@tmp);
undef(@tmpz);
undef(@CDEF);
@ls = split(',', $gensens->{list}->{1});
for($n = 0; $n < 9; $n++) {
my $str = trim($ls[$n] || "");
if($str) {
$str = $gensens->{map}->{$str} ? $gensens->{map}->{$str} : $str;
$str = sprintf("%-20s", substr($str, 0, 20));
push(@tmp, "LINE2:gsen" . $n . $LC[$n] . ":$str");
push(@tmp, "GPRINT:gsen" . $n . ":LAST: Cur\\:%4.1lf%shz");
push(@tmp, "GPRINT:gsen" . $n . ":MIN: Min\\:%4.1lf%shz");
push(@tmp, "GPRINT:gsen" . $n . ":MAX: Max\\:%4.1lf%shz\\n");
push(@tmpz, "LINE2:gsen" . $n . $LC[$n] . ":$str");
next;
}
last;
}
while($n < $max) {
push(@tmp, "COMMENT: \\n");
$n++;
}
if($title) {
push(@output, " <td bgcolor='$colors->{title_bg_color}'>\n");
}
if(lc($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}->{medium});
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[1]",
"--title=$config->{graphs}->{_gensens2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Hz",
"--width=$width",
"--height=$height",
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:gsen0=$rrd:gensens1_s1:AVERAGE",
"DEF:gsen1=$rrd:gensens1_s2:AVERAGE",
"DEF:gsen2=$rrd:gensens1_s3:AVERAGE",
"DEF:gsen3=$rrd:gensens1_s4:AVERAGE",
"DEF:gsen4=$rrd:gensens1_s5:AVERAGE",
"DEF:gsen5=$rrd:gensens1_s6:AVERAGE",
"DEF:gsen6=$rrd:gensens1_s7:AVERAGE",
"DEF:gsen7=$rrd:gensens1_s8:AVERAGE",
"DEF:gsen8=$rrd:gensens1_s9:AVERAGE",
"CDEF:allvalues=gsen0,gsen1,gsen2,gsen3,gsen4,gsen5,gsen6,gsen7,gsen8,+,+,+,+,+,+,+,+",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[1]: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[1]",
"--title=$config->{graphs}->{_gensens2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Hz",
"--width=$width",
"--height=$height",
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:gsen0=$rrd:gensens1_s1:AVERAGE",
"DEF:gsen1=$rrd:gensens1_s2:AVERAGE",
"DEF:gsen2=$rrd:gensens1_s3:AVERAGE",
"DEF:gsen3=$rrd:gensens1_s4:AVERAGE",
"DEF:gsen4=$rrd:gensens1_s5:AVERAGE",
"DEF:gsen5=$rrd:gensens1_s6:AVERAGE",
"DEF:gsen6=$rrd:gensens1_s7:AVERAGE",
"DEF:gsen7=$rrd:gensens1_s8:AVERAGE",
"DEF:gsen8=$rrd:gensens1_s9:AVERAGE",
"CDEF:allvalues=gsen0,gsen1,gsen2,gsen3,gsen4,gsen5,gsen6,gsen7,gsen8,+,+,+,+,+,+,+,+",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[1]: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /gensens1/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[1] . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[1] . "' border='0'></a>\n");
} else {
if($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;
}
push(@output, " <a href=\"javascript:void(window.open('" . $config->{url} . "/" . $config->{imgs_dir} . $IMGz[1] . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[1] . "' border='0'></a>\n");
}
} else {
push(@output, " <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG[1] . "'>\n");
}
}
if($title) {
push(@output, " </td>\n");
push(@output, " </tr>\n");
push(@output, main::graph_footer());
}
push(@output, " <br>\n");
return @output;
}
1;