101 lines
2.5 KiB
Plaintext
101 lines
2.5 KiB
Plaintext
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#!/usr/bin/env ruby
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#
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# mongrel_process_memory - A munin plugin to monitor memory size of
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# each individual mongrel process
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# Copyright (C) 2007 Ben VandenBos and Avvo, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Author: Ben VandenBos
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# Contributors: Adam Jacob (<adam@hjksolutions.com>)
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# Ryan Woodrum
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#
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#%# family=auto
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#%# capabilities=autoconf
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module Munin
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class MongrelProcessMemory
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def run
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h = get_pids()
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ps_output = ""
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#I have no doubt that this is a terrible way of doing this.
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h.each do |k, v|
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ps_output = ps_output + `ps --no-heading l #{k}`
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end
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if ps_output
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port_list = Hash.new
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ps_output.each_line do |l|
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if l =~ /-p (\d+)/
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port = $1
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l_ary = l.split(/\s+/)
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if l_ary.length > 6
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port_list[port] = l_ary[7].to_i * 1024
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end
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end
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end
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port_list.sort.each do |port|
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puts "mongrel_#{port[0]}.value #{port[1]}"
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end
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end
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end
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def get_pids
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h = Hash.new
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pids = []
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pids = `pgrep mongrel_rails`
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pids.each { |p|
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l = `ps #{p}`
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l =~ /-p (\d+)/
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h[p] = $1
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}
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h
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end
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def autoconf
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pids.length > 0
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end
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end
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end
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mpm = Munin::MongrelProcessMemory.new
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case ARGV[0]
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when "config"
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puts "graph_title Mongrel Memory"
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puts "graph_vlabel RSS"
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puts "graph_category Memory"
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puts "graph_args --base 1024 -l 0"
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puts "graph_scale yes"
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puts "graph_info Tracks the size of individual mongrel processes"
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mpm.get_pids.values.sort.each do |port|
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puts "mongrel_#{port}.label mongrel_#{port}"
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puts "mongrel_#{port}.info Process memory"
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puts "mongrel_#{port}.type GAUGE"
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puts "mongrel_#{port}.min 0"
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end
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when "autoconf"
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if mpm.autoconf
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puts "yes"
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exit 0
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end
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puts "no"
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exit 1
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else
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mpm.run
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end
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