Class: Munin::PassengerStatus

Inherits:
RequestLogAnalyzerPlugin show all
Defined in:
lib/munin/plugins/passenger_status.rb

Instance Attribute Summary

Attributes inherited from RequestLogAnalyzerPlugin

#debug, #environment, #graph_category, #passenger_memory_stats, #passenger_status

Instance Method Summary collapse

Methods inherited from RequestLogAnalyzerPlugin

#autoconf, #handle_arguments, #initialize, #require_command, #require_gem, #require_passenger_gem, #require_passenger_memory_stats, #require_passenger_status, #require_request_log_analyzer_gem, #require_tail_command, #require_yaml_gem, #run_command

Constructor Details

This class inherits a constructor from Munin::RequestLogAnalyzerPlugin

Instance Method Details

#config ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/munin/plugins/passenger_status.rb', line 8

def config
  status = `#{passenger_status}`

  status =~ /max\s+=\s+(\d+)/
  upper_limit = $1 || 150

  puts <<-CONFIG
graph_category #{graph_category}
graph_title Passenger status
graph_vlabel count
graph_args --base 1000 -l 0 --upper-limit #{upper_limit}
graph_info The amount of active passengers on this application server - railsdoctors.com

sessions.label sessions
max.label max processes
running.label running processes
active.label active processes
CONFIG
  exit 0
end

#ensure_configuration ⇒ Object 



3
4
5
6
 
# File 'lib/munin/plugins/passenger_status.rb', line 3

def ensure_configuration
  require_passenger_status
  super
end

#run ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/munin/plugins/passenger_status.rb', line 29

def run
  status = run_command(passenger_status, debug)

  status =~ /max\s+=\s+(\d+)/
  puts "max.value #{$1}"

  status =~ /count\s+=\s+(\d+)/
  puts "running.value #{$1}"

  status =~ /active\s+=\s+(\d+)/
  puts "active.value #{$1}"

  total_sessions = 0
  status.scan(/Sessions: (\d+)/).flatten.each { |count| total_sessions += count.to_i }
  puts "sessions.value #{total_sessions}"
end