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contrib-munin/plugins/php/hhvm_

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#!/usr/bin/env perl
=head1 NAME
hhvm_ - Munin plugin to monitor HHVM.
=head1 LICENCE
This source file is subject to the Open Software License (OSL 3.0)
Which is available through the world-wide-web at this URL:
http://opensource.org/licenses/osl-3.0.php
Copyright (c) 2014 Jeroen Vermeulen - http://www.jeroenvermeulen.eu
=head1 USAGE
- You need HHVM 3.0 or greater.
- The HHVM AdminServer needs to be locally accessible via HTTP.
- Since version 3.0 HHVM has no longer a built-in webserver. Not even for the AdminServer.
- You will need to configure a special HHVM Admin webserver like Apache or Nginx, and connect it via FastCGI to the HHVM AdminServer Port. More info below.
- You can use the HHVM Config setting "AdminServer.Port" or ini variable "hhvm.admin_server.port" to choose that port. For example 8080.
- Copy this file to "/usr/share/munin/plugins/hhvm_".
- Create a symlink in "/etc/munin/plugins"
- By default this script will try to connect to a webserver on 127.0.0.1 port 8081.
- You can make it connect to another IP and port by naming the symlink "hhvm_[IP]_[PORT]", for example hhvm_11.22.33.44_8081
- You can also use the plugin config to set "env.host" and "env.port"
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=head1 ADMIN WEBSERVER CONFIG
=head2 NGINX CONFIG
server {
listen 127.0.0.1:8081 default;
location ~ {
fastcgi_pass 127.0.0.1:8080;
include fastcgi_params;
}
}
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=head2 APACHE 2.2 CONFIG
FastCgiExternalServer /var/run/hhvm_admin.fcgi -host 127.0.0.1:8080
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Listen 127.0.0.1:8081
<VirtualHost 127.0.0.1:8081>
Alias /check-health /var/run/hhvm_admin.fcgi
Alias /status.json /var/run/hhvm_admin.fcgi
Alias / /var/run/hhvm_admin.fcgi
</VirtualHost>
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=head2 APACHE 2.4 CONFIG
Listen 127.0.0.1:8081
<VirtualHost 127.0.0.1:8081>
ProxyPass / fcgi://127.0.0.1:8080/
</VirtualHost>
=cut
use warnings;
use strict;
# use lib $ENV{'MUNIN_LIBDIR'};
use Munin::Plugin;
use LWP::Simple;
use JSON::PP;
sub getJson( $ );
my $script = $0;
my $host = '127.0.0.1';
my $port = 8081;
my $name = undef;
if ( $script =~ /\bhhvm_([a-z0-9\-\.]+)(?:_(\d+))?$/ ) {
$host = $1;
$name = $host;
if ( $2 ) {
$port = int( $2 );
}
}
$host = defined $ENV{'host'} ? $ENV{'host'} : $host;
$port = defined $ENV{'port'} ? $ENV{'port'} : $port;
$name = defined $name ? $name : $host.':'.$port;
my $graphName = $name;
$graphName =~ s/[^\w]+/_/g;
if ( exists $ARGV[0] && 'config' eq $ARGV[0] ) {
print <<EOF;
multigraph hhvm_${graphName}_threads
graph_title HHVM Threads ${name}
graph_args --base 1000
graph_category webserver
threads.label Threads
load.label Active Workers
queued.label Queued Jobs
multigraph hhvm_${graphName}_sizes
graph_title HHVM Sizes ${name}
graph_args --base 1024
graph_category webserver
hhbc-roarena-capac.label HHBC Arena Capacity
tc-hotsize.label TC Hot Size
tc-hotsize.info Translation Cache Hot Size
tc-size.label TC Size
tc-size.info Translation Cache Main Size
tc-profsize.label TC Profiling Size
tc-profsize.info Translation Cache Profiling Size
tc-coldsize.label TC Cold Size
tc-coldsize.info Translation Cache Cold Size
tc-frozensize.label TC Frozen Size
tc-frozensize.info Translation Cache Frozen Size
rds.label RDS Used Bytes
units.label Loaded Units
funcs.label Functions
EOF
} else {
my $url = sprintf( 'http://%s:%d', $host, $port );
my $health = getJson( sprintf( '%s/check-health', $url ) );
my $status = getJson( sprintf( '%s/status.json', $url ) );
printf( "multigraph hhvm_%s_threads\n", $graphName );
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printf( "threads.value %d\n", int( @{ $status->{'status'}->{'threads'} } ) );
printf( "load.value %d\n", $health->{'load'} );
printf( "queued.value %d\n", $health->{'queued'} );
print "\n";
printf( "multigraph hhvm_%s_sizes\n", $graphName );
printf( "hhbc-roarena-capac.value %d\n", $health->{'hhbc-roarena-capac'} );
printf( "tc-hotsize.value %d\n", $health->{'tc-hotsize'} );
printf( "tc-size.value %d\n", $health->{'tc-size'} );
printf( "tc-profsize.value %d\n", $health->{'tc-profsize'} );
printf( "tc-coldsize.value %d\n", $health->{'tc-coldsize'} );
printf( "tc-frozensize.value %d\n", $health->{'tc-frozensize'} );
printf( "rds.value %d\n", $health->{'rds'} );
printf( "units.value %d\n", $health->{'units'} );
printf( "funcs.value %d\n", $health->{'funcs'} );
}
exit 0;
sub getJson( $ ) {
my ( $url ) = @_;
my $json = get( $url );
if ( ! $json ) {
die( sprintf( "Could not get json from '%s'.", $url ) );
}
my $data = decode_json( $json );
if ( ! $data || 'HASH' ne ref($data) ) {
die( sprintf( "Could not decode json from '%s'.", $url ) );
}
return $data;
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}