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Monitorix/lib/nginx.pm

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#
# Monitorix - A lightweight system monitoring tool.
#
# Copyright (C) 2005-2020 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 nginx;
use strict;
use warnings;
use Monitorix;
use RRDs;
use LWP::UserAgent;
use Exporter 'import';
our @EXPORT = qw(nginx_init nginx_update nginx_cgi);
sub nginx_init {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $nginx = $config->{nginx};
my $info;
my @rra;
my @tmp;
my $n;
my @average;
my @min;
my @max;
my @last;
my $table = $config->{ip_default_table};
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:nginx_requests:GAUGE:120:0:U",
"DS:nginx_total:GAUGE:120:0:U",
"DS:nginx_reading:GAUGE:120:0:U",
"DS:nginx_writing:GAUGE:120:0:U",
"DS:nginx_waiting:GAUGE:120:0:U",
"DS:nginx_bytes_in:GAUGE:120:0:U",
"DS:nginx_bytes_out:GAUGE:120:0: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;
}
}
if(!defined($rrd)) {
logger("$myself: ERROR: undefined 'port' option.");
return 0;
}
if(lc($config->{use_external_firewall} || "") eq "n") {
if($config->{os} eq "Linux") {
system("iptables -t $table -N monitorix_nginx_IN 2>/dev/null");
system("iptables -t $table -I INPUT -p tcp --sport 1024:65535 --dport $nginx->{port} -m conntrack --ctstate NEW,ESTABLISHED,RELATED -j monitorix_nginx_IN -c 0 0");
system("iptables -t $table -I OUTPUT -p tcp --sport $nginx->{port} --dport 1024:65535 -m conntrack --ctstate ESTABLISHED,RELATED -j monitorix_nginx_IN -c 0 0");
}
if(grep {$_ eq $config->{os}} ("FreeBSD", "OpenBSD", "NetBSD")) {
system("ipfw delete $nginx->{rule} 2>/dev/null");
system("ipfw -q add $nginx->{rule} count tcp from me $nginx->{port} to any");
system("ipfw -q add $nginx->{rule} count tcp from any to me $nginx->{port}");
}
}
$config->{nginx_hist} = ();
push(@{$config->{func_update}}, $package);
logger("$myself: Ok") if $debug;
}
sub nginx_update {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $nginx = $config->{nginx};
my $table = $config->{ip_default_table};
my $reqs = 0;
my $tot = 0;
my $reads = 0;
my $writes = 0;
my $waits = 0;
my $in = 0;
my $out = 0;
my $ssl = "";
$ssl = "ssl_opts => {verify_hostname => 0}"
if lc($config->{accept_selfsigned_certs}) eq "y";
my $url;
if($nginx->{url}) {
$url = $nginx->{url};
} else {
$url = "http://127.0.0.1:" . $nginx->{port} . "/nginx_status";
}
my $ua = LWP::UserAgent->new(timeout => 30, $ssl);
$ua->agent($config->{user_agent_id}) if $config->{user_agent_id} || "";
my $response = $ua->request(HTTP::Request->new('GET', $url));
my $rrdata = "N";
if(!$response->is_success) {
logger("$myself: ERROR: Unable to connect to '$url'.");
}
foreach(split('\n', $response->content)) {
if(/^Active connections:\s+(\d+)\s*/) {
$tot = $1;
next;
}
if(/^\s+(\d+)\s+(\d+)\s+(\d+)\s*/) {
$reqs = $3 - ($config->{nginx_hist}->{'requests'} || 0);
$reqs = 0 unless $reqs != $3;
$reqs /= 60;
$config->{nginx_hist}->{'requests'} = $3;
}
if(/^Reading:\s+(\d+).*Writing:\s+(\d+).*Waiting:\s+(\d+)\s*/) {
$reads = $1;
$writes = $2;
$waits = $3;
}
}
if($config->{os} eq "Linux") {
my $val;
open(IN, "iptables -t $table -nxvL INPUT |");
while(<IN>) {
if(/ monitorix_nginx_IN /) {
(undef, $val) = split(' ', $_);
chomp($val);
$in = $val - ($config->{nginx_hist}->{'in'} || 0);
$in = 0 unless $in != $val;
$config->{nginx_hist}->{'in'} = $val;
$in /= 60;
last;
}
}
close(IN);
open(IN, "iptables -t $table -nxvL OUTPUT |");
while(<IN>) {
if(/ monitorix_nginx_IN /) {
(undef, $val) = split(' ', $_);
chomp($val);
$out = $val - ($config->{nginx_hist}->{'out'} || 0);
$out = 0 unless $out != $val;
$config->{nginx_hist}->{'out'} = $val;
$out /= 60;
last;
}
}
close(IN);
}
if(grep {$_ eq $config->{os}} ("FreeBSD", "OpenBSD", "NetBSD")) {
my $val;
open(IN, "ipfw show $nginx->{rule} 2>/dev/null |");
while(<IN>) {
if(/ from any to me dst-port $nginx->{port}$/) {
(undef, undef, $val) = split(' ', $_);
chomp($val);
$in = $val - ($config->{nginx_hist}->{'in'} || 0);
$in = 0 unless $in != $val;
$config->{nginx_hist}->{'in'} = $val;
$in /= 60;
}
if(/ from me $nginx->{port} to any$/) {
(undef, undef, $val) = split(' ', $_);
chomp($val);
$out = $val - ($config->{nginx_hist}->{'out'} || 0);
$out = 0 unless $out != $val;
$config->{nginx_hist}->{'out'} = $val;
$out /= 60;
}
}
close(IN);
}
$rrdata .= ":$reqs:$tot:$reads:$writes:$waits:$in:$out";
RRDs::update($rrd, $rrdata);
logger("$myself: $rrdata") if $debug;
my $err = RRDs::error;
logger("ERROR: while updating $rrd: $err") if $err;
}
sub nginx_cgi {
my ($package, $config, $cgi) = @_;
my @output;
my $nginx = $config->{nginx};
my @rigid = split(',', ($nginx->{rigid} || ""));
my @limit = split(',', ($nginx->{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 @extra;
my @riglim;
my @warning;
my @tmp;
my @tmpz;
my @CDEF;
my $T = "B";
my $vlabel = "bytes/s";
my $n;
my $err;
$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});
foreach my $i (split(',', $config->{rrdtool_extra_options} || "")) {
push(@extra, trim($i)) if trim($i);
}
$title = !$silent ? $title : "";
if(lc($config->{netstats_in_bps}) eq "y") {
$T = "b";
$vlabel = "bits/s";
}
# text mode
#
if(lc($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",
"--resolution=$tf->{res}",
"--start=-$tf->{nwhen}$tf->{twhen}",
"AVERAGE");
$err = RRDs::error;
push(@output, "ERROR: while fetching $rrd: $err\n") if $err;
push(@output, " <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
push(@output, "Time Total Reading Writing Waiting Requests K$T/s_I K$T/s_O\n");
push(@output, "------------------------------------------------------------------ \n");
my $line;
my @row;
my $time;
for($n = 0, $time = $tf->{tb}; $n < ($tf->{tb} * $tf->{ts}); $n++) {
$line = @$data[$n];
my ($req, $tot, $rea, $wri, $wai, $ki, $ko) = @$line;
$ki /= 1024;
$ko /= 1024;
if(lc($config->{netstats_in_bps}) eq "y") {
$ki *= 8;
$ko *= 8;
}
@row = ($tot, $rea, $wri, $wai, $req, $ki, $ko);
$time = $time - (1 / $tf->{ts});
push(@output, sprintf(" %2d$tf->{tc} %6d %6d %6d %6d %6d %6d %6d\n", $time, @row));
}
push(@output, " </pre>\n");
if($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 = "";
}
my $IMG1 = $u . $package . "1." . $tf->{when} . ".$imgfmt_lc";
my $IMG2 = $u . $package . "2." . $tf->{when} . ".$imgfmt_lc";
my $IMG3 = $u . $package . "3." . $tf->{when} . ".$imgfmt_lc";
my $IMG1z = $u . $package . "1z." . $tf->{when} . ".$imgfmt_lc";
my $IMG2z = $u . $package . "2z." . $tf->{when} . ".$imgfmt_lc";
my $IMG3z = $u . $package . "3z." . $tf->{when} . ".$imgfmt_lc";
unlink ("$IMG_DIR" . "$IMG1",
"$IMG_DIR" . "$IMG2",
"$IMG_DIR" . "$IMG3");
if(lc($config->{enable_zoom}) eq "y") {
unlink ("$IMG_DIR" . "$IMG1z",
"$IMG_DIR" . "$IMG2z",
"$IMG_DIR" . "$IMG3z");
}
if($title) {
push(@output, main::graph_header($title, 2));
}
@riglim = @{setup_riglim($rigid[0], $limit[0])};
if($title) {
push(@output, " <tr>\n");
push(@output, " <td bgcolor='$colors->{title_bg_color}'>\n");
}
push(@tmp, "AREA:total#44EEEE:Total");
push(@tmp, "GPRINT:total:LAST: Current\\: %5.0lf");
push(@tmp, "GPRINT:total:AVERAGE: Average\\: %5.0lf");
push(@tmp, "GPRINT:total:MIN: Min\\: %5.0lf");
push(@tmp, "GPRINT:total:MAX: Max\\: %5.0lf\\n");
push(@tmp, "AREA:reading#44EE44:Reading");
push(@tmp, "GPRINT:reading:LAST: Current\\: %5.0lf");
push(@tmp, "GPRINT:reading:AVERAGE: Average\\: %5.0lf");
push(@tmp, "GPRINT:reading:MIN: Min\\: %5.0lf");
push(@tmp, "GPRINT:reading:MAX: Max\\: %5.0lf\\n");
push(@tmp, "AREA:writing#4444EE:Writing");
push(@tmp, "GPRINT:writing:LAST: Current\\: %5.0lf");
push(@tmp, "GPRINT:writing:AVERAGE: Average\\: %5.0lf");
push(@tmp, "GPRINT:writing:MIN: Min\\: %5.0lf");
push(@tmp, "GPRINT:writing:MAX: Max\\: %5.0lf\\n");
push(@tmp, "AREA:waiting#EE44EE:Waiting");
push(@tmp, "GPRINT:waiting:LAST: Current\\: %5.0lf");
push(@tmp, "GPRINT:waiting:AVERAGE: Average\\: %5.0lf");
push(@tmp, "GPRINT:waiting:MIN: Min\\: %5.0lf");
push(@tmp, "GPRINT:waiting:MAX: Max\\: %5.0lf\\n");
push(@tmp, "LINE1:total#00EEEE");
push(@tmp, "LINE1:reading#00EE00");
push(@tmp, "LINE1:writing#0000EE");
push(@tmp, "LINE1:waiting#EE00EE");
push(@tmpz, "AREA:total#44EEEE:Total");
push(@tmpz, "AREA:reading#44EE44:Reading");
push(@tmpz, "AREA:writing#4444EE:Writing");
push(@tmpz, "AREA:waiting#EE44EE:Waiting");
push(@tmpz, "LINE1:total#00EEEE");
push(@tmpz, "LINE1:reading#00EE00");
push(@tmpz, "LINE1:writing#0000EE");
push(@tmpz, "LINE1:waiting#EE00EE");
if(lc($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;
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
}
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG1",
"--title=$config->{graphs}->{_nginx1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Connections/s",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$colors->{graph_colors}},
"DEF:total=$rrd:nginx_total:AVERAGE",
"DEF:reading=$rrd:nginx_reading:AVERAGE",
"DEF:writing=$rrd:nginx_writing:AVERAGE",
"DEF:waiting=$rrd:nginx_waiting:AVERAGE",
"CDEF:allvalues=total,reading,writing,waiting,+,+,+",
@CDEF,
@tmp,
"COMMENT: \\n");
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG1: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMG1z",
"--title=$config->{graphs}->{_nginx1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Connections/s",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$colors->{graph_colors}},
"DEF:total=$rrd:nginx_total:AVERAGE",
"DEF:reading=$rrd:nginx_reading:AVERAGE",
"DEF:writing=$rrd:nginx_writing:AVERAGE",
"DEF:waiting=$rrd:nginx_waiting:AVERAGE",
"CDEF:allvalues=total,reading,writing,waiting,+,+,+",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG1z: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /nginx1/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMG1z . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG1 . "' border='0'></a>\n");
} else {
if($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} . $IMG1z . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG1 . "' border='0'></a>\n");
}
} else {
push(@output, " <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG1 . "'>\n");
}
}
if($title) {
push(@output, " </td>\n");
push(@output, " <td valign='top' bgcolor='" . $colors->{title_bg_color} . "'>\n");
}
@riglim = @{setup_riglim($rigid[1], $limit[1])};
undef(@tmp);
undef(@tmpz);
undef(@CDEF);
push(@tmp, "AREA:requests#44EEEE:Requests");
push(@tmp, "GPRINT:requests:LAST: Current\\: %5.1lf\\n");
push(@tmp, "LINE1:requests#00EEEE");
push(@tmpz, "AREA:requests#44EEEE:Requests");
push(@tmpz, "LINE1:requests#00EEEE");
if(lc($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}->("$IMG_DIR" . "$IMG2",
"--title=$config->{graphs}->{_nginx2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Requests/s",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:requests=$rrd:nginx_requests:AVERAGE",
"CDEF:allvalues=requests",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG2: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMG2z",
"--title=$config->{graphs}->{_nginx2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Requests/s",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:requests=$rrd:nginx_requests:AVERAGE",
"CDEF:allvalues=requests",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG2z: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /nginx2/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMG2z . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG2 . "' border='0'></a>\n");
} else {
if($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} . $IMG2z . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG2 . "' border='0'></a>\n");
}
} else {
push(@output, " <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG2 . "'>\n");
}
}
undef(@warning);
my $pnum;
if($config->{os} eq "Linux") {
open(IN, "netstat -nl --tcp |");
while(<IN>) {
(undef, undef, undef, $pnum) = split(' ', $_);
chomp($pnum);
$pnum =~ s/.*://;
if($pnum eq $nginx->{port}) {
last;
}
}
close(IN);
}
if(grep {$_ eq $config->{os}} ("FreeBSD", "OpenBSD", "NetBSD")) {
open(IN, "netstat -anl -p tcp |");
my $stat;
while(<IN>) {
(undef, undef, undef, $pnum, undef, $stat) = split(' ', $_);
chomp($stat);
if($stat eq "LISTEN") {
chomp($pnum);
($pnum) = ($pnum =~ m/^.*?(\.\d+$)/);
$pnum =~ s/\.//;
if($pnum eq $nginx->{port}) {
last;
}
}
}
close(IN);
}
if($pnum ne $nginx->{port}) {
push(@warning, $colors->{warning_color});
}
@riglim = @{setup_riglim($rigid[2], $limit[2])};
undef(@tmp);
undef(@tmpz);
undef(@CDEF);
push(@tmp, "AREA:B_in#44EE44:Input");
push(@tmp, "AREA:B_out#4444EE:Output");
push(@tmp, "AREA:B_out#4444EE:");
push(@tmp, "AREA:B_in#44EE44:");
push(@tmp, "LINE1:B_out#0000EE");
push(@tmp, "LINE1:B_in#00EE00");
push(@tmpz, "AREA:B_in#44EE44:Input");
push(@tmpz, "AREA:B_out#4444EE:Output");
push(@tmpz, "AREA:B_out#4444EE:");
push(@tmpz, "AREA:B_in#44EE44:");
push(@tmpz, "LINE1:B_out#0000EE");
push(@tmpz, "LINE1:B_in#00EE00");
if(lc($config->{netstats_in_bps}) eq "y") {
push(@CDEF, "CDEF:B_in=in,8,*");
push(@CDEF, "CDEF:B_out=out,8,*");
} else {
push(@CDEF, "CDEF:B_in=in");
push(@CDEF, "CDEF:B_out=out");
}
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}->("$IMG_DIR" . "$IMG3",
"--title=$config->{graphs}->{_nginx3} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$vlabel",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
@warning,
"DEF:in=$rrd:nginx_bytes_in:AVERAGE",
"DEF:out=$rrd:nginx_bytes_out:AVERAGE",
"CDEF:allvalues=in,out,+",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG3: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMG3z",
"--title=$config->{graphs}->{_nginx3} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$vlabel",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
@warning,
"DEF:in=$rrd:nginx_bytes_in:AVERAGE",
"DEF:out=$rrd:nginx_bytes_out:AVERAGE",
"CDEF:allvalues=in,out,+",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG3z: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /nginx3/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " <a href=\"" . $config->{url} . "/" . $config->{imgs_dir} . $IMG3z . "\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG3 . "' border='0'></a>\n");
} else {
if($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} . $IMG3z . "','','width=" . $picz_width . ",height=" . $picz_height . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG3 . "' border='0'></a>\n");
}
} else {
push(@output, " <img src='" . $config->{url} . "/" . $config->{imgs_dir} . $IMG3 . "'>\n");
}
}
if($title) {
push(@output, " </td>\n");
push(@output, " </tr>\n");
push(@output, main::graph_footer());
}
push(@output, " <br>\n");
return @output;
}
1;
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