ELBのOutOfService時のセッション確認用

client.rb

require 'rubygems'
require 'rest-client'

RestClient.proxy = ENV['http_proxy']
while true
  begin
    res = RestClient.get( 'http://[ELBのドメイン名]/test' )
    puts res.body
  rescue RestClient::Exception => e
    p #{e.response.code} #{e.message}"
  rescue => e
    p e.message
  end
end

server.rb

#! /bin/env ruby
require 'webrick'
require 'yaml'
require "socket"

logger = WEBrick::Log::new(STDERR, WEBrick::Log::DEBUG)

server = WEBrick::HTTPServer.new(
  :Port => 8080,
  :BindAddress => IPSocket::getaddress(Socket::gethostname),
  :Logger => logger
)
server.mount_proc('/test') do |req, res|
  logger.debug("===== recieved a =====")
  sleep 50
  res.body = "a"
  res['Content-Type'] = 'text/plain'
end

server.mount_proc('/ping') do |req, res|
  res.status = WEBrick::HTTPStatus::RC_SERVICE_UNAVAILABLE unless YAML.load_file("server.yml")["healthok"]
end

trap("INT") { server.shutdown }
server.start

server.yml

healthok : true