munin-contrib/plugins/http/mongrel_memory

93 lines
2.4 KiB
Ruby
Executable File

#!/usr/bin/env ruby
=begin
mongrel_memory - A munin plugin for OpenSolaris to monitor memory size of
each individual mongrel process
Copyright (C) 2009 Matthias Marschall - mm@agileweboperations.com
Based on:
mongrel_process_memory - A munin plugin to monitor memory size of
each individual mongrel process
Copyright (C) 2007 Ben VandenBos and Avvo, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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.
Author: Ben VandenBos
Contributors: Adam Jacob (<adam@hjksolutions.com>)
Ryan Woodrum
Matthias Marschall (mm@agileweboperations.com)
#%# family=auto
#%# capabilities=autoconf
=end
module Munin
class MongrelProcessMemory
def run
pid_port_map = get_pids
port_list = {}
pid_port_map.sort.each do |pid, port|
rss = `pmap -x #{pid} | grep total`.split(' ')[3]
puts "mongrel_#{port}.value #{rss}"
end
end
def get_pids
h = {}
pids = []
pids += `pgrep mongrel_rails`.split("\n")
pids += `pgrep ruby`.split("\n")
pids.each do |pid|
l = `pargs -l #{pid}`
l =~ /-p (\d+)/
h[pid] = Regexp.last_match(1) if Regexp.last_match(1)
end
h
end
def autoconf
get_pids.length > 0
end
end
end
mpm = Munin::MongrelProcessMemory.new
case ARGV[0]
when 'config'
puts 'graph_title Mongrel Memory'
puts 'graph_vlabel RSS'
puts 'graph_category memory'
puts 'graph_args --base 1024 -l 0'
puts 'graph_scale yes'
puts 'graph_info Tracks the size of individual mongrel processes'
mpm.get_pids.values.sort.each do |port|
puts "mongrel_#{port}.label mongrel_#{port}"
puts "mongrel_#{port}.info Process memory"
puts "mongrel_#{port}.type GAUGE"
puts "mongrel_#{port}.min 0"
end
when 'autoconf'
if mpm.autoconf
puts 'yes'
exit 0
end
puts 'no'
exit 0
else
mpm.run
end