Class: Bipbip::Plugin::FastcgiPhpFpm

Inherits:
Bipbip::Plugin show all
Defined in:
lib/bipbip/plugin/fastcgi_php_fpm.rb

Instance Attribute Summary

Attributes inherited from Bipbip::Plugin

#config, #metric_group, #name, #pid

Instance Method Summary collapse

Methods inherited from Bipbip::Plugin

factory, #frequency, #initialize, #interrupt, #interrupted?, #metrics_names, #run, #source_identifier

Methods included from InterruptibleSleep

#interrupt_sleep, #interruptible_sleep

Constructor Details

This class inherits a constructor from Bipbip::Plugin

Instance Method Details

#metrics_schema ⇒ Object 



5
6
7
8
9
10
11
 
# File 'lib/bipbip/plugin/fastcgi_php_fpm.rb', line 5

def metrics_schema
  [
      {:name => 'accepted conn', :type => 'counter', :unit => 'Connections'},
      {:name => 'listen queue', :type => 'gauge', :unit => 'Connections'},
      {:name => 'active processes', :type => 'gauge', :unit => 'Processes'},
  ]
end

#monitor ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/bipbip/plugin/fastcgi_php_fpm.rb', line 13

def monitor
  authority = config['host'].to_s + ':' + config['port'].to_s
  path = config['path'].to_s

  env_backup = ENV.to_hash
  ENV['REQUEST_METHOD'] = 'GET'
  ENV['SCRIPT_NAME'] = path
  ENV['SCRIPT_FILENAME'] = path
  ENV['QUERY_STRING'] = 'json'
  response = `cgi-fcgi -bind -connect #{authority.shellescape} 2>&1`
  ENV.replace(env_backup)

  body = response.split(/\r?\n\r?\n/)[1]
  raise "FastCGI response has no body: #{response}" unless body
  status = JSON.parse(body)

  status.reject{|k, v| !metrics_names.include?(k)}
end