mirror of https://github.com/mikaku/Monitorix.git
575 lines
17 KiB
Perl
575 lines
17 KiB
Perl
#
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# Monitorix - A lightweight system monitoring tool.
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#
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# Copyright (C) 2005-2022 by Jordi Sanfeliu <jordi@fibranet.cat>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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package du;
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use strict;
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use warnings;
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use Monitorix;
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use RRDs;
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use POSIX qw(strftime);
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use Exporter 'import';
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our @EXPORT = qw(du_init du_update du_cgi);
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sub du_init {
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my $myself = (caller(0))[3];
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my ($package, $config, $debug) = @_;
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my $rrd = $config->{base_lib} . $package . ".rrd";
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my $du = $config->{du};
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my $info;
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my @ds;
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my @rra;
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my @ds_to_change_heartbeat;
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my $rrd_heartbeat;
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my @tmp;
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my $n;
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my @average;
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my @min;
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my @max;
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my @last;
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my $heartbeat = 120;
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my $refresh_interval = ($config->{du}->{refresh_interval} || 0);
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if($refresh_interval > 0) {
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$heartbeat = 2 * $refresh_interval;
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}
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my @disk_list = split(',', $du->{list});
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if(-e $rrd) {
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$info = RRDs::info($rrd);
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for my $key (keys %$info) {
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if(index($key, 'ds[') == 0) {
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if(index($key, '.type') != -1) {
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push(@ds, substr($key, 3, index($key, ']') - 3));
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}
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}
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if(index($key, 'rra[') == 0) {
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if(index($key, '.rows') != -1) {
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push(@rra, substr($key, 4, index($key, ']') - 4));
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}
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}
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if(index($key, 'ds[') == 0) {
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if(index($key, '.minimal_heartbeat') != -1) {
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$rrd_heartbeat = $info->{$key};
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if($rrd_heartbeat != $heartbeat) {
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my $ds_name = substr($key, 3, index($key, ']') - 3);
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push(@ds_to_change_heartbeat, $ds_name);
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}
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}
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}
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}
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if(scalar(@ds) / 9 != scalar(@disk_list)) {
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logger("$myself: Detected size mismatch between 'list' (" . scalar(@disk_list) . ") and $rrd (" . scalar(@ds) / 9 . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
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rename($rrd, "$rrd.bak");
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}
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if(scalar(@rra) < 12 + (4 * $config->{max_historic_years})) {
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logger("$myself: Detected size mismatch between 'max_historic_years' (" . $config->{max_historic_years} . ") and $rrd (" . ((scalar(@rra) -12) / 4) . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
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rename($rrd, "$rrd.bak");
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}
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if((-e $rrd) && scalar(@ds_to_change_heartbeat) > 0) {
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logger("$myself: Detected heartbeat mismatch between set (" . $heartbeat . ") and $rrd (" . $rrd_heartbeat . "). Tuning it accordingly.");
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my @tune_arguments;
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foreach(@ds_to_change_heartbeat) {
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push(@tune_arguments, "-h");
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push(@tune_arguments, "$_:$heartbeat");
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}
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RRDs::tune($rrd, @tune_arguments);
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my $err = RRDs::error;
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logger("ERROR: while tuning $rrd: $err") if $err;
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}
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}
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if(!(-e $rrd)) {
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logger("Creating '$rrd' file.");
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for($n = 1; $n <= $config->{max_historic_years}; $n++) {
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push(@average, "RRA:AVERAGE:0.5:1440:" . (365 * $n));
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push(@min, "RRA:MIN:0.5:1440:" . (365 * $n));
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push(@max, "RRA:MAX:0.5:1440:" . (365 * $n));
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push(@last, "RRA:LAST:0.5:1440:" . (365 * $n));
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}
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for($n = 0; $n < scalar(@disk_list); $n++) {
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push(@tmp, "DS:du" . $n . "_d1:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d2:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d3:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d4:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d5:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d6:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d7:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d8:GAUGE:" . $heartbeat . ":0:U");
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push(@tmp, "DS:du" . $n . "_d9:GAUGE:" . $heartbeat . ":0:U");
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}
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eval {
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RRDs::create($rrd,
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"--step=60",
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@tmp,
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"RRA:AVERAGE:0.5:1:1440",
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"RRA:AVERAGE:0.5:30:336",
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"RRA:AVERAGE:0.5:60:744",
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@average,
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"RRA:MIN:0.5:1:1440",
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"RRA:MIN:0.5:30:336",
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"RRA:MIN:0.5:60:744",
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@min,
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"RRA:MAX:0.5:1:1440",
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"RRA:MAX:0.5:30:336",
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"RRA:MAX:0.5:60:744",
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@max,
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"RRA:LAST:0.5:1:1440",
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"RRA:LAST:0.5:30:336",
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"RRA:LAST:0.5:60:744",
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@last,
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);
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};
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my $err = RRDs::error;
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if($@ || $err) {
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logger("$@") unless !$@;
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if($err) {
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logger("ERROR: while creating $rrd: $err");
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if($err eq "RRDs::error") {
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logger("... is the RRDtool Perl package installed?");
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}
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}
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return;
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}
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}
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push(@{$config->{func_update}}, $package);
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logger("$myself: Ok") if $debug;
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}
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sub du_update {
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my $myself = (caller(0))[3];
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my ($package, $config, $debug) = @_;
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my $rrd = $config->{base_lib} . $package . ".rrd";
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my $du = $config->{du};
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my $args = $du->{extra_args} || "";
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my $use_nan_for_missing_data = lc($du->{use_nan_for_missing_data} || "") eq "y" ? 1 : 0;
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my @dirs;
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my $n;
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my $str;
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my $rrdata = "N";
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my $refresh_interval = ($config->{du}->{refresh_interval} || 0);
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if($refresh_interval > 60) {
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# If desired refreshed only every refresh_interval seconds.
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# This logic will refresh atleast once a day.
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my (undef, $min, $hour) = localtime(time);
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return if(($min + 60 * $hour) % int($refresh_interval / 60));
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}
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my @disk_list = split(',', $du->{list});
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my $e = 0;
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while($e < scalar(@disk_list)) {
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my $type;
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my $e2 = 0;
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$type = lc($du->{type}->{$e} || "");
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# default type is 'size'
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$type = "size" if $type eq "";
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foreach my $i (split(',', $du->{desc}->{$e})) {
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my $line;
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$dirs[$e][$e2] = ($use_nan_for_missing_data ? (0+"nan") : 0) unless defined $dirs[$e][$e2];
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$str = trim($i);
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if(-d $str) {
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if($type eq "size") {
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$line = `du -ks $args "$str"`; # in KB
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if($line =~ /(^\d+)\s+/) {
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$dirs[$e][$e2] = $1;
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}
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} elsif($type eq "files") {
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$line = `ls "$str"/* | wc -l`;
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if($line =~ /(^\d+)$/) {
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$dirs[$e][$e2] = $1;
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}
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} else {
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logger("$myself: ERROR: unrecognized type '$type'.");
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}
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} else {
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logger("$myself: ERROR: '$str' is not a directory");
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}
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$e2++;
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}
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$e++;
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}
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$e = 0;
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while($e < scalar(@disk_list)) {
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for($n = 0; $n < 9; $n++) {
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$dirs[$e][$n] = ($use_nan_for_missing_data ? (0+"nan") : 0) unless defined $dirs[$e][$n];
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$rrdata .= ":" . $dirs[$e][$n];
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}
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$e++;
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}
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RRDs::update($rrd, $rrdata);
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logger("$myself: $rrdata") if $debug;
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my $err = RRDs::error;
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logger("ERROR: while updating $rrd: $err") if $err;
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}
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sub du_cgi {
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my ($package, $config, $cgi) = @_;
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my @output;
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my $du = $config->{du};
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my @rigid = split(',', ($du->{rigid} || ""));
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my @limit = split(',', ($du->{limit} || ""));
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my $tf = $cgi->{tf};
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my $colors = $cgi->{colors};
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my $graph = $cgi->{graph};
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my $silent = $cgi->{silent};
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my $zoom = "--zoom=" . $config->{global_zoom};
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my %rrd = (
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'new' => \&RRDs::graphv,
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'old' => \&RRDs::graph,
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);
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my $version = "new";
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my @full_size_mode;
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my $pic;
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my $picz;
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my $picz_width;
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my $picz_height;
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my $u = "";
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my $width;
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my $height;
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my @extra;
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my @riglim;
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my @IMG;
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my @IMGz;
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my @tmp;
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my @tmpz;
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my @CDEF;
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my $n;
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my $n2;
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my $str;
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my $err;
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my @LC = (
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"#4444EE",
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"#EEEE44",
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"#44EEEE",
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"#EE44EE",
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"#888888",
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"#E29136",
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"#44EE44",
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"#448844",
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"#EE4444",
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);
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my $type_label;
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$version = "old" if $RRDs::VERSION < 1.3;
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push(@full_size_mode, "--full-size-mode") if $RRDs::VERSION > 1.3;
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my $rrd = $config->{base_lib} . $package . ".rrd";
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my $title = $config->{graph_title}->{$package};
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my $IMG_DIR = $config->{base_dir} . "/" . $config->{imgs_dir};
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my $imgfmt_uc = uc($config->{image_format});
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my $imgfmt_lc = lc($config->{image_format});
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foreach my $i (split(',', $config->{rrdtool_extra_options} || "")) {
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push(@extra, trim($i)) if trim($i);
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}
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$title = !$silent ? $title : "";
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my $gap_on_all_nan = lc($du->{gap_on_all_nan} || "") eq "y" ? 1 : 0;
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my @disk_list = split(',', $du->{list});
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# text mode
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#
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if(lc($config->{iface_mode}) eq "text") {
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if($title) {
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push(@output, main::graph_header($title, 2));
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push(@output, " <tr>\n");
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push(@output, " <td>\n");
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}
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my (undef, undef, undef, $data) = RRDs::fetch("$rrd",
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"--resolution=$tf->{res}",
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"--start=-$tf->{nwhen}$tf->{twhen}",
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"AVERAGE");
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$err = RRDs::error;
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push(@output, "ERROR: while fetching $rrd: $err\n") if $err;
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my $line1;
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my $line2;
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my $line3;
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push(@output, " <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
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push(@output, " ");
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for($n = 0; $n < scalar(@disk_list); $n++) {
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$line1 = "";
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foreach my $i (split(',', $du->{desc}->{$n})) {
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$i = trim($i);
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$str = $du->{dirmap}->{$i} || $i;
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$str = sprintf("%20s", substr($str, 0, 20));
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$line1 .= " ";
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$line2 .= sprintf(" %20s", $str);
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$line3 .= "---------------------";
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}
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if($line1) {
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my $i = length($line1);
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push(@output, sprintf(sprintf("%${i}s", sprintf("%s", trim($disk_list[$n])))));
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}
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}
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push(@output, "\n");
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push(@output, "Time$line2\n");
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push(@output, "----$line3 \n");
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my $line;
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my @row;
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my $time;
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my $n2;
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my $n3;
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my $from;
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my $to;
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for($n = 0, $time = $tf->{tb}; $n < ($tf->{tb} * $tf->{ts}); $n++) {
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$line = @$data[$n];
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$time = $time - (1 / $tf->{ts});
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push(@output, sprintf(" %2d$tf->{tc} ", $time));
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for($n2 = 0; $n2 < scalar(@disk_list); $n2++) {
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$n3 = 0;
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foreach my $i (split(',', $du->{desc}->{$n2})) {
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$from = $n2 * 9 + $n3++;
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$to = $from + 1;
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my ($j) = @$line[$from..$to];
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@row = ($j);
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push(@output, sprintf("%17d KB ", @row));
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}
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}
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push(@output, "\n");
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}
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push(@output, " </pre>\n");
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if($title) {
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push(@output, " </td>\n");
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push(@output, " </tr>\n");
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push(@output, main::graph_footer());
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}
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push(@output, " <br>\n");
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return @output;
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}
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# graph mode
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#
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if($silent eq "yes" || $silent eq "imagetag") {
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$colors->{fg_color} = "#000000"; # visible color for text mode
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$u = "_";
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}
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if($silent eq "imagetagbig") {
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$colors->{fg_color} = "#000000"; # visible color for text mode
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$u = "";
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}
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for($n = 0; $n < scalar(@disk_list); $n++) {
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$str = $u . $package . $n . "." . $tf->{when} . ".$imgfmt_lc";
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push(@IMG, $str);
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unlink("$IMG_DIR" . $str);
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if(lc($config->{enable_zoom}) eq "y") {
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$str = $u . $package . $n . "z." . $tf->{when} . ".$imgfmt_lc";
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push(@IMGz, $str);
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unlink("$IMG_DIR" . $str);
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}
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}
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my $graphs_per_row = $du->{graphs_per_row};
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my @linpad =(0) x scalar(@disk_list);
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if ($graphs_per_row > 1) {
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for(my $n = 0; $n < scalar(@disk_list); $n++) {
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my @ls = split(',', $du->{desc}->{$n});
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$linpad[$n] = scalar(@ls);
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}
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for(my $n = 0; $n < scalar(@linpad); $n++) {
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if ($n % $graphs_per_row == 0) {
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my $max_number_of_lines = 0;
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for (my $sub_n = $n; $sub_n < min($n + $graphs_per_row, scalar(@linpad)); $sub_n++) {
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$max_number_of_lines = max($max_number_of_lines, $linpad[$sub_n]);
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}
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for (my $sub_n = $n; $sub_n < min($n + $graphs_per_row, scalar(@linpad)); $sub_n++) {
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$linpad[$sub_n] = $max_number_of_lines;
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}
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}
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}
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}
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@riglim = @{setup_riglim($rigid[0], $limit[0])};
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$n = 0;
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while($n < scalar(@disk_list)) {
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if($title) {
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if($n == 0) {
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push(@output, main::graph_header($title, $graphs_per_row));
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}
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push(@output, " <tr>\n");
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}
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for($n2 = 0; $n2 < $graphs_per_row; $n2++) {
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my $type;
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my @DEF0;
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my @CDEF0;
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last unless $n < scalar(@disk_list);
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if($title) {
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push(@output, " <td>\n");
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}
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undef(@tmp);
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undef(@tmpz);
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undef(@CDEF);
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my $e = 0;
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$type = lc($du->{type}->{$n} || "");
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if($type eq "files") {
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$type_label = "files";
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push(@DEF0, "DEF:d1=$rrd:du" . $n . "_d1:AVERAGE");
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push(@DEF0, "DEF:d2=$rrd:du" . $n . "_d2:AVERAGE");
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push(@DEF0, "DEF:d3=$rrd:du" . $n . "_d3:AVERAGE");
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push(@DEF0, "DEF:d4=$rrd:du" . $n . "_d4:AVERAGE");
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push(@DEF0, "DEF:d5=$rrd:du" . $n . "_d5:AVERAGE");
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push(@DEF0, "DEF:d6=$rrd:du" . $n . "_d6:AVERAGE");
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push(@DEF0, "DEF:d7=$rrd:du" . $n . "_d7:AVERAGE");
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push(@DEF0, "DEF:d8=$rrd:du" . $n . "_d8:AVERAGE");
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push(@DEF0, "DEF:d9=$rrd:du" . $n . "_d9:AVERAGE");
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push(@CDEF0, ($gap_on_all_nan ? "CDEF:allvalues=d1,UN,0,1,IF,d2,UN,0,1,IF,d3,UN,0,1,IF,d4,UN,0,1,IF,d5,UN,0,1,IF,d6,UN,0,1,IF,d7,UN,0,1,IF,d8,UN,0,1,IF,d9,UN,0,1,IF,+,+,+,+,+,+,+,+,0,GT,1,UNKN,IF" : "CDEF:allvalues=d1,d2,d3,d4,d5,d6,d7,d8,d9,+,+,+,+,+,+,+,+"));
|
|
# default type is 'bytes'
|
|
} else {
|
|
$type_label = "bytes";
|
|
push(@DEF0, "DEF:dk1=$rrd:du" . $n . "_d1:AVERAGE");
|
|
push(@DEF0, "DEF:dk2=$rrd:du" . $n . "_d2:AVERAGE");
|
|
push(@DEF0, "DEF:dk3=$rrd:du" . $n . "_d3:AVERAGE");
|
|
push(@DEF0, "DEF:dk4=$rrd:du" . $n . "_d4:AVERAGE");
|
|
push(@DEF0, "DEF:dk5=$rrd:du" . $n . "_d5:AVERAGE");
|
|
push(@DEF0, "DEF:dk6=$rrd:du" . $n . "_d6:AVERAGE");
|
|
push(@DEF0, "DEF:dk7=$rrd:du" . $n . "_d7:AVERAGE");
|
|
push(@DEF0, "DEF:dk8=$rrd:du" . $n . "_d8:AVERAGE");
|
|
push(@DEF0, "DEF:dk9=$rrd:du" . $n . "_d9:AVERAGE");
|
|
push(@CDEF0, ($gap_on_all_nan ? "CDEF:allvalues=dk1,UN,0,1,IF,dk2,UN,0,1,IF,dk3,UN,0,1,IF,dk4,UN,0,1,IF,dk5,UN,0,1,IF,dk6,UN,0,1,IF,dk7,UN,0,1,IF,dk8,UN,0,1,IF,dk9,UN,0,1,IF,+,+,+,+,+,+,+,+,0,GT,1,UNKN,IF" : "CDEF:allvalues=dk1,dk2,dk3,dk4,dk5,dk6,dk7,dk8,dk9,+,+,+,+,+,+,+,+"));
|
|
push(@CDEF0, "CDEF:d1=dk1,1024,*");
|
|
push(@CDEF0, "CDEF:d2=dk2,1024,*");
|
|
push(@CDEF0, "CDEF:d3=dk3,1024,*");
|
|
push(@CDEF0, "CDEF:d4=dk4,1024,*");
|
|
push(@CDEF0, "CDEF:d5=dk5,1024,*");
|
|
push(@CDEF0, "CDEF:d6=dk6,1024,*");
|
|
push(@CDEF0, "CDEF:d7=dk7,1024,*");
|
|
push(@CDEF0, "CDEF:d8=dk8,1024,*");
|
|
push(@CDEF0, "CDEF:d9=dk9,1024,*");
|
|
}
|
|
|
|
foreach my $i (split(',', $du->{desc}->{$n})) {
|
|
$i = trim($i);
|
|
$str = $du->{dirmap}->{$i} || $i;
|
|
$str = sprintf("%-40s", substr($str, 0, 40));
|
|
push(@tmp, "LINE2:d" . ($e + 1) . $LC[$e] . ":$str");
|
|
if($type eq "files") {
|
|
push(@tmp, "GPRINT:d" . ($e + 1) . ":LAST: Current\\:%7.0lf%s\\n");
|
|
} else {
|
|
push(@tmp, "GPRINT:d" . ($e + 1) . ":LAST: Current\\:%7.1lf%s\\n");
|
|
}
|
|
push(@tmpz, "LINE2:d" . ($e + 1) . $LC[$e] . ":$str");
|
|
$e++;
|
|
}
|
|
while($e < $linpad[$n]) {
|
|
push(@tmp, "COMMENT: \\n");
|
|
$e++;
|
|
}
|
|
if(lc($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});
|
|
$str = substr(trim($disk_list[$n]), 0, 25);
|
|
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$n]",
|
|
"--title=$str ($tf->{nwhen}$tf->{twhen})",
|
|
"--start=-$tf->{nwhen}$tf->{twhen}",
|
|
"--imgformat=$imgfmt_uc",
|
|
"--vertical-label=$type_label",
|
|
"--width=$width",
|
|
"--height=$height",
|
|
@extra,
|
|
@riglim,
|
|
$zoom,
|
|
@{$cgi->{version12}},
|
|
@{$colors->{graph_colors}},
|
|
@DEF0,
|
|
@CDEF0,
|
|
@CDEF,
|
|
@tmp);
|
|
$err = RRDs::error;
|
|
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$n]: $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[$n]",
|
|
"--title=$str ($tf->{nwhen}$tf->{twhen})",
|
|
"--start=-$tf->{nwhen}$tf->{twhen}",
|
|
"--imgformat=$imgfmt_uc",
|
|
"--vertical-label=$type_label",
|
|
"--width=$width",
|
|
"--height=$height",
|
|
@full_size_mode,
|
|
@extra,
|
|
@riglim,
|
|
$zoom,
|
|
@{$cgi->{version12}},
|
|
@{$colors->{graph_colors}},
|
|
@DEF0,
|
|
@CDEF0,
|
|
@CDEF,
|
|
@tmpz);
|
|
$err = RRDs::error;
|
|
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$n]: $err\n") if $err;
|
|
}
|
|
if($title || ($silent =~ /imagetag/ && $graph =~ /du$n/)) {
|
|
if(lc($config->{enable_zoom}) eq "y") {
|
|
if(lc($config->{disable_javascript_void}) eq "y") {
|
|
push(@output, " " . picz_a_element(config => $config, IMGz => $IMGz[$n], IMG => $IMG[$n]) . "\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, " " . picz_js_a_element(width => $picz_width, height => $picz_height, config => $config, IMGz => $IMGz[$n], IMG => $IMG[$n]) . "\n");
|
|
}
|
|
} else {
|
|
push(@output, " " . img_element(config => $config, IMG => $IMG[$n]) . "\n");
|
|
}
|
|
}
|
|
if($title) {
|
|
push(@output, " </td>\n");
|
|
}
|
|
$n++;
|
|
}
|
|
if($title) {
|
|
push(@output, " </tr>\n");
|
|
}
|
|
}
|
|
if($title) {
|
|
push(@output, main::graph_footer());
|
|
}
|
|
push(@output, " <br>\n");
|
|
return @output;
|
|
}
|
|
|
|
1;
|