3.0: added support for 'apache' graph

This commit is contained in:
Jordi Sanfeliu 2012-12-18 10:08:25 +01:00
parent b9db6baedd
commit 49a3d1e336
1 changed files with 562 additions and 0 deletions

562
3.0/lib/apache.pm Normal file
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@ -0,0 +1,562 @@
#
# Monitorix - A lightweight system monitoring tool.
#
# Copyright (C) 2005-2012 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 apache;
use strict;
use warnings;
use Monitorix;
use RRDs;
use LWP::UserAgent;
use Exporter 'import';
our @EXPORT = qw(apache_init apache_update apache_cgi);
sub apache_init {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $apache = $config->{apache};
my $info;
my @ds;
my @tmp;
my $n;
if(!scalar(my @al = split(',', $apache->{list}))) {
logger("$myself: ERROR: missing or not defined 'list' option.");
return 0;
}
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(scalar(@ds) / 5 != scalar(my @al = split(',', $apache->{list}))) {
logger("Detected size mismatch between 'list' option (" . scalar(my @al = split(',', $apache->{list})) . ") and $rrd (" . scalar(@ds) / 5 . "). Resizing it accordingly. All historic data will be lost. Backup file created.");
rename($rrd, "$rrd.bak");
}
}
if(!(-e $rrd)) {
logger("Creating '$rrd' file.");
for($n = 0; $n < scalar(my @al = split(',', $apache->{list})); $n++) {
push(@tmp, "DS:apache" . $n . "_acc:GAUGE:120:0:U");
push(@tmp, "DS:apache" . $n . "_kb:GAUGE:120:0:U");
push(@tmp, "DS:apache" . $n . "_cpu:GAUGE:120:0:U");
push(@tmp, "DS:apache" . $n . "_busy:GAUGE:120:0:U");
push(@tmp, "DS:apache" . $n . "_idle:GAUGE:120:0:U");
}
eval {
RRDs::create($rrd,
"--step=60",
@tmp,
"RRA:AVERAGE:0.5:1:1440",
"RRA:AVERAGE:0.5:30:336",
"RRA:AVERAGE:0.5:60:744",
"RRA:AVERAGE:0.5:1440:365",
"RRA:MIN:0.5:1:1440",
"RRA:MIN:0.5:30:336",
"RRA:MIN:0.5:60:744",
"RRA:MIN:0.5:1440:365",
"RRA:MAX:0.5:1:1440",
"RRA:MAX:0.5:30:336",
"RRA:MAX:0.5:60:744",
"RRA:MAX:0.5:1440:365",
"RRA:LAST:0.5:1:1440",
"RRA:LAST:0.5:30:336",
"RRA:LAST:0.5:60:744",
"RRA:LAST:0.5:1440:365",
);
};
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;
}
}
$config->{apache_hist} = ();
push(@{$config->{func_update}}, $package);
logger("$myself: Ok") if $debug;
}
sub apache_update {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $apache = $config->{apache};
my $str;
my $rrdata = "N";
my $n = 0;
foreach(my @al = split(',', $apache->{list})) {
my $url = trim($_) . "/server-status?auto";
my $ua = LWP::UserAgent->new(timeout => 30);
my $response = $ua->request(HTTP::Request->new('GET', $url));
my $acc = 0;
my $kb = 0;
my $cpu = 0;
my $busy = 0;
my $idle = 0;
foreach(split('\n', $response->content)) {
if(/^Total Accesses:\s+(\d+)$/) {
$str = $n . "acc";
$acc = $1 - ($config->{apache_hist}->{$str} || 0);
$acc = 0 unless $acc != $1;
$acc /= 60;
$config->{apache_hist}->{$str} = $1;
next;
}
if(/^Total kBytes:\s+(\d+)$/) {
$str = $n . "kb";
$kb = $1 - ($config->{apache_hist}->{$str} || 0);
$kb = 0 unless $kb != $1;
$config->{apache_hist}->{$str} = $1;
next;
}
if(/^CPULoad:\s+(\d*\.\d+)$/) {
$cpu = abs($1) || 0;
next;
}
if(/^BusyWorkers:\s+(\d+)/ || /^BusyServers:\s+(\d+)/) {
$busy = int($1) || 0;
next;
}
if(/^IdleWorkers:\s+(\d+)/ || /^IdleServers:\s+(\d+)/) {
$idle = int($1) || 0;
last;
}
}
$rrdata .= ":$acc:$kb:$cpu:$busy:$idle";
$n++;
}
RRDs::update($rrd, $rrdata);
logger("$myself: $rrdata") if $debug;
my $err = RRDs::error;
logger("ERROR: while updating $rrd: $err") if $err;
}
sub apache_cgi {
my ($package, $config, $cgi) = @_;
my $apache = $config->{apache};
my @rigid = split(',', $apache->{rigid});
my @limit = split(',', $apache->{limit});
my $tf = $cgi->{tf};
my $colors = $cgi->{colors};
my $graph = $cgi->{graph};
my $silent = $cgi->{silent};
my $u = "";
my $width;
my $height;
my @riglim;
my @PNG;
my @PNGz;
my @tmp;
my @tmpz;
my $e;
my $e2;
my $n;
my $n2;
my $str;
my $err;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $title = $config->{graph_title}->{$package};
my $PNG_DIR = $config->{base_dir} . "/" . $config->{imgs_dir};
$title = !$silent ? $title : "";
# text mode
#
if(lc($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;
my $line3;
print(" <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
print(" ");
for($n = 0; $n < scalar(my @al = split(',', $apache->{list})); $n++) {
$line1 = " ";
$line2 .= " Acceses kbytes CPU Busy Idle";
$line3 .= "------------------------------------------";
if($line1) {
my $i = length($line1);
printf(sprintf("%${i}s", sprintf("%s", trim($al[$n]))));
}
}
print("\n");
print("Time$line2\n");
print("----$line3 \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 @al = split(',', $apache->{list})); $n2++) {
undef(@row);
$from = $n2 * 5;
$to = $from + 5;
push(@row, @$line[$from..$to]);
printf(" %7d %9d %4.2f%% %3d %3d", @row);
}
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 @al = split(',', $apache->{list})); $n++) {
for($n2 = 1; $n2 <= 3; $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 $url (my @al = split(',', $apache->{list})) {
if($e) {
print(" <br>\n");
}
if($title) {
main::graph_header($title, 2);
}
undef(@riglim);
if(trim($rigid[0]) eq 1) {
push(@riglim, "--upper-limit=" . trim($limit[0]));
} else {
if(trim($rigid[0]) eq 2) {
push(@riglim, "--upper-limit=" . trim($limit[0]));
push(@riglim, "--rigid");
}
}
if($title) {
print(" <tr>\n");
print(" <td bgcolor='$colors->{title_bg_color}'>\n");
}
undef(@tmp);
undef(@tmpz);
push(@tmp, "AREA:apache" . $e . "_idle#4444EE:Idle");
push(@tmp, "GPRINT:apache" . $e . "_idle:LAST: Current\\: %3.0lf");
push(@tmp, "GPRINT:apache" . $e . "_idle:AVERAGE: Average\\: %3.0lf");
push(@tmp, "GPRINT:apache" . $e . "_idle:MIN: Min\\: %3.0lf");
push(@tmp, "GPRINT:apache" . $e . "_idle:MAX: Max\\: %3.0lf\\n");
push(@tmp, "AREA:apache" . $e . "_busy#44EEEE:Busy");
push(@tmp, "GPRINT:apache" . $e . "_busy:LAST: Current\\: %3.0lf");
push(@tmp, "GPRINT:apache" . $e . "_busy:AVERAGE: Average\\: %3.0lf");
push(@tmp, "GPRINT:apache" . $e . "_busy:MIN: Min\\: %3.0lf");
push(@tmp, "GPRINT:apache" . $e . "_busy:MAX: Max\\: %3.0lf\\n");
push(@tmp, "LINE1:apache" . $e . "_idle#0000EE");
push(@tmp, "LINE1:apache" . $e . "_busy#00EEEE");
push(@tmp, "LINE1:apache" . $e . "_tot#EE0000");
push(@tmpz, "AREA:apache" . $e . "_idle#4444EE:Idle");
push(@tmpz, "AREA:apache" . $e . "_busy#44EEEE:Busy");
push(@tmpz, "LINE2:apache" . $e . "_idle#0000EE");
push(@tmpz, "LINE2:apache" . $e . "_busy#00EEEE");
push(@tmpz, "LINE2:apache" . $e . "_tot#EE0000");
($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 $silent eq "imagetagbig";
@tmp = @tmpz;
}
RRDs::graph("$PNG_DIR" . "$PNG[$e * 3]",
"--title=$config->{graphs}->{_apache1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=PNG",
"--vertical-label=Workers",
"--width=$width",
"--height=$height",
@riglim,
"--lower-limit=0",
@{$cgi->{version12}},
@{$colors->{graph_colors}},
"DEF:apache" . $e . "_busy=$rrd:apache" . $e . "_busy:AVERAGE",
"DEF:apache" . $e . "_idle=$rrd:apache" . $e . "_idle:AVERAGE",
"CDEF:apache" . $e . "_tot=apache" . $e . "_busy,apache" . $e . "_idle,+",
"COMMENT: \\n",
@tmp,
"COMMENT: \\n",
"COMMENT: \\n");
$err = RRDs::error;
print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 3]: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
RRDs::graph("$PNG_DIR" . "$PNGz[$e * 3]",
"--title=$config->{graphs}->{_apache1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=PNG",
"--vertical-label=Workers",
"--width=$width",
"--height=$height",
@riglim,
"--lower-limit=0",
@{$cgi->{version12}},
@{$colors->{graph_colors}},
"DEF:apache" . $e . "_busy=$rrd:apache" . $e . "_busy:AVERAGE",
"DEF:apache" . $e . "_idle=$rrd:apache" . $e . "_idle:AVERAGE",
"CDEF:apache" . $e . "_tot=apache" . $e . "_busy,apache" . $e . "_idle,+",
@tmpz);
$err = RRDs::error;
print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 3]: $err\n") if $err;
}
$e2 = $e + 1;
if($title || ($silent =~ /imagetag/ && $graph =~ /apache$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 * 3] . "\"><img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3] . "' border='0'></a>\n");
}
else {
print(" <a href=\"javascript:void(window.open('" . $config->{url} . $config->{imgs_dir} . $PNGz[$e * 3] . "','','width=" . ($width + 115) . ",height=" . ($height + 100) . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3] . "' border='0'></a>\n");
}
} else {
print(" <img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3] . "'>\n");
}
}
if($title) {
print(" </td>\n");
print(" <td valign='top' bgcolor='" . $colors->{title_bg_color} . "'>\n");
}
undef(@riglim);
if(trim($rigid[1]) eq 1) {
push(@riglim, "--upper-limit=" . trim($limit[1]));
} else {
if(trim($rigid[1]) eq 2) {
push(@riglim, "--upper-limit=" . trim($limit[1]));
push(@riglim, "--rigid");
}
}
undef(@tmp);
undef(@tmpz);
push(@tmp, "AREA:apache" . $e . "_cpu#44AAEE:CPU");
push(@tmp, "GPRINT:apache" . $e . "_cpu:LAST: Current\\: %5.2lf%%\\n");
push(@tmp, "LINE1:apache" . $e . "_cpu#00EEEE");
push(@tmpz, "AREA:apache" . $e . "_cpu#44AAEE:CPU");
push(@tmpz, "LINE1:apache" . $e . "_cpu#00EEEE");
($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 $silent eq "imagetagbig";
@tmp = @tmpz;
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
}
RRDs::graph("$PNG_DIR" . "$PNG[$e * 3 + 1]",
"--title=$config->{graphs}->{_apache2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=PNG",
"--vertical-label=Percent (%)",
"--width=$width",
"--height=$height",
@riglim,
"--lower-limit=0",
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:apache" . $e . "_cpu=$rrd:apache" . $e . "_cpu:AVERAGE",
@tmp);
$err = RRDs::error;
print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 3 + 1]: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
RRDs::graph("$PNG_DIR" . "$PNGz[$e * 3 + 1]",
"--title=$config->{graphs}->{_apache2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=PNG",
"--vertical-label=Percent",
"--width=$width",
"--height=$height",
@riglim,
"--lower-limit=0",
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:apache" . $e . "_cpu=$rrd:apache" . $e . "_cpu:AVERAGE",
@tmpz);
$err = RRDs::error;
print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 3 + 1]: $err\n") if $err;
}
$e2 = $e + 2;
if($title || ($silent =~ /imagetag/ && $graph =~ /apache$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 * 3 + 1] . "\"><img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3 + 1] . "' border='0'></a>\n");
}
else {
print(" <a href=\"javascript:void(window.open('" . $config->{url} . $config->{imgs_dir} . $PNGz[$e * 3 + 1] . "','','width=" . ($width + 115) . ",height=" . ($height + 100) . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3 + 1] . "' border='0'></a>\n");
}
} else {
print(" <img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3 + 1] . "'>\n");
}
}
undef(@riglim);
if(trim($rigid[2]) eq 1) {
push(@riglim, "--upper-limit=" . trim($limit[2]));
} else {
if(trim($rigid[2]) eq 2) {
push(@riglim, "--upper-limit=" . trim($limit[2]));
push(@riglim, "--rigid");
}
}
undef(@tmp);
undef(@tmpz);
push(@tmp, "AREA:apache" . $e . "_acc#44EE44:Accesses");
push(@tmp, "GPRINT:apache" . $e . "_acc:LAST: Current\\: %5.2lf\\n");
push(@tmp, "LINE1:apache" . $e . "_acc#00EE00");
push(@tmpz, "AREA:apache" . $e . "_acc#44EE44:Accesses");
push(@tmpz, "LINE1:apache" . $e . "_acc#00EE00");
($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 $silent eq "imagetagbig";
@tmp = @tmpz;
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
}
RRDs::graph("$PNG_DIR" . "$PNG[$e * 3 + 2]",
"--title=$config->{graphs}->{_apache3} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=PNG",
"--vertical-label=Accesses/s",
"--width=$width",
"--height=$height",
@riglim,
"--lower-limit=0",
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:apache" . $e . "_acc=$rrd:apache" . $e . "_acc:AVERAGE",
@tmp);
$err = RRDs::error;
print("ERROR: while graphing $PNG_DIR" . "$PNG[$e * 3 + 2]: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
RRDs::graph("$PNG_DIR" . "$PNGz[$e * 3 + 2]",
"--title=$config->{graphs}->{_apache3} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=PNG",
"--vertical-label=Accesses/s",
"--width=$width",
"--height=$height",
@riglim,
"--lower-limit=0",
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:apache" . $e . "_acc=$rrd:apache" . $e . "_acc:AVERAGE",
@tmpz);
$err = RRDs::error;
print("ERROR: while graphing $PNG_DIR" . "$PNGz[$e * 3 + 2]: $err\n") if $err;
}
$e2 = $e + 3;
if($title || ($silent =~ /imagetag/ && $graph =~ /apache$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 * 3 + 2] . "\"><img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3 + 2] . "' border='0'></a>\n");
}
else {
print(" <a href=\"javascript:void(window.open('" . $config->{url} . $config->{imgs_dir} . $PNGz[$e * 3 + 2] . "','','width=" . ($width + 115) . ",height=" . ($height + 100) . ",scrollbars=0,resizable=0'))\"><img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3 + 2] . "' border='0'></a>\n");
}
} else {
print(" <img src='" . $config->{url} . $config->{imgs_dir} . $PNG[$e * 3 + 2] . "'>\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: " . $colors->{title_fg_color} . "}'>&nbsp;&nbsp;$url<b>\n";
print " </font></font>\n";
print " </td>\n";
print(" </tr>\n");
main::graph_footer();
}
$e++;
}
print(" <br>\n");
return;
}
1;