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nginx_status.in
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nginx_status.in
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#!@@PERL@@ -w
# -*- cperl -*-
=head1 NAME
nginx_status - Munin plugin to show connection status for nginx
=head1 APPLICABLE SYSTEMS
Any nginx host
=head1 CONFIGURATION
This shows the default configuration of this plugin. You can override
the status URL.
[nginx*]
env.url http://localhost/nginx_status
Nginx must also be configured. Firstly the stub-status module must be
compiled, and secondly it must be configured like this:
server {
listen 127.0.0.1;
server_name localhost;
location /nginx_status {
stub_status on;
access_log off;
allow 127.0.0.1;
deny all;
}
}
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=head1 VERSION
$Id$
=head1 BUGS
None known
=head1 AUTHOR
Unknown
=head1 LICENSE
Unknown. Not specified by the unknown author. Nginx has a BSD
license. Munin is GPLv2 licensed.
=cut
use Munin::Plugin::HTTP;
my $UA = Munin::Plugin::HTTP->new;
my $URL = exists $ENV{'url'} ? $ENV{'url'} : "http://localhost/nginx_status";
if ( exists $ARGV[0] and $ARGV[0] eq "autoconf" ) {
if ($ret){
print "no ($ret)\n";
exit 0;
}
my $response = $UA->get($URL);
unless ($response->is_success and $response->content =~ /server/im) {
print "no (no nginx status on $URL)\n";
exit 0;
} else {
print "yes\n";
exit 0;
}
}
if ( exists $ARGV[0] and $ARGV[0] eq "config" ) {
print "graph_title NGINX status\n";
print "graph_args --base 1000\n";
print "graph_category nginx\n";
print "graph_vlabel Connections\n";
print "total.label Active connections\n";
print "total.info Active connections\n";
print "total.draw LINE2\n";
print "reading.label Reading\n";
print "reading.info Reading\n";
print "reading.draw LINE2\n";
print "writing.label Writing\n";
print "writing.info Writing\n";
print "writing.draw LINE2\n";
print "waiting.label Waiting\n";
print "waiting.info Waiting\n";
print "waiting.draw LINE2\n";
exit 0;
}
my $response = $UA->get($URL);
#Active connections: 1845
#server accepts handled requests
# 4566318 4566318 84218236
# Reading: 2 Writing: 278 Waiting: 1565
if ($response->content =~ /Active connections:\s+(\d+).*Reading:\s+(\d+).*Writing:\s+(\d+).*Waiting:\s+(\d+)/s) {
print "total.value $1\n";
print "reading.value $2\n";
print "writing.value $3\n";
print "waiting.value $4\n";
} else {
foreach (qw(total reading writing waiting)){
print "$_.value U\n";
}
}