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#!/usr/bin/env ruby
#--
# Author:: Daniel DeLeo (<dan@opscode.com>)
# Author:: Seth Falcon (<seth@opscode.com>)
# Author:: Chris Walters (<cw@opscode.com>)
# Copyright:: Copyright (c) 2010-2011 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
###############################################################################
# check_queue_size
# A Nagios Check for Chef Server Queue Backlogs
###############################################################################
require 'rubygems'
Dir.chdir(File.join(File.expand_path(File.dirname(__FILE__)), "..")) do
require 'bunny'
$:.unshift(File.expand_path('./lib'))
require 'chef/expander'
require 'chef/expander/version'
require 'chef/expander/configuration'
include Chef
Expander.init_config([])
config = {:warn => 100, :crit => 200}
option_parser = OptionParser.new do |o|
o.banner = "Usage: check_queue_size [options]"
o.on('-w', '--warn WARN_THRESHOLD', 'number of messages to trigger a warning') do |i|
config[:warn] = i.to_i
end
o.on('-c', '--critical CRITICAL_THRESHOLD', 'the number of messages to trigger a critical') do |n|
config[:crit] = n.to_i
end
o.on_tail('-h', '--help', 'show this message') do
puts "chef-expander #{Expander.version}"
puts "queue size monitor"
puts ''
puts o
exit 127
end
end
option_parser.parse!(ARGV.dup)
message_counts = []
begin
amqp_client = Bunny.new(Expander.config.amqp_config)
amqp_client.start
0.upto(Expander::VNODES - 1) do |vnode|
q = amqp_client.queue("vnode-#{vnode}", :durable => true)
message_counts << q.status[:message_count]
end
total_messages = message_counts.inject(:+)
if total_messages >= config[:crit]
puts "Chef Expander Queue Size CRITICAL - messages: #{total_messages}"
exit(2)
elsif total_messages >= config[:warn]
puts "Chef Expander Queue Size WARNING - messages: #{total_messages}"
exit(1)
else
puts "Chef Expander Queue Size OK - messages: #{total_messages}"
exit(0)
end
ensure
amqp_client.stop if defined?(amqp_client) && amqp_client && amqp_client.connected?
end
end
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