zookeeper testing script

gistfile1.txt

######### installing zookeeper from github
git clone https://github.com/twitter/zookeeper.git
gem uninstall zookeeper
gem install echoe

cd zookeeper
rake package
cd pkg
gem install zookeeper-0.4.2.gem


######### ruby code
require 'zookeeper'

ZK = Zookeeper.new('192.168.2.93:2181, 192.168.2.94:2181, 192.168.2.95:2181')

def set_callback(path)
  wcb = Zookeeper::WatcherCallback.new do
    puts "callback fired for #{path}"
    new_value = ZK.get(:path => path)[:data]
    puts "value changed to #{new_value}"
    set_callback(path)
  end
  ZK.stat(:path => path, :watcher => wcb)
end

#ZK.set_debug_level(Zookeeper::ZOO_LOG_LEVEL_DEBUG)
set_callback('/test')
ZK.set(:path => '/test', :data => '60')