namespace :memcached do 
  
  namespace :centos do
    
    desc <<-DESC
    Install memcached.
    
    memcached_memory: Memcached memory (in MB).
    
      set :memcached_memory, 64

    memcached_pid_path: Path to memcached pid file. Defaults to /var/run/memcached.pid
    
      set :memcached_pid_path, "/var/run/memcached.pid"

    memcached_port: Memcached port. Defaults to 11211.
    
      set :memcached_port, 11211
      
    DESC
    task :install do

      # Settings
      fetch_or_default(:memcached_pid_path, "/var/run/memcached.pid")
      fetch_or_default(:memcached_port, 11211)
      fetch(:memcached_memory)      

      # Build options
      memcached_options = {
        :url => "http://www.danga.com/memcached/dist/memcached-1.2.4.tar.gz",
        :configure_options => "--prefix=/usr/local"
      }

      # Build
      script.make_install("memcached", memcached_options)

      # Install initscript, service
      put template.load("memcached/memcached.initd.centos.erb"), "/tmp/memcached.initd"
      sudo "install -o root /tmp/memcached.initd /etc/init.d/memcached && rm -f /tmp/memcached.initd"
      sudo "/sbin/chkconfig --level 345 memcached on"

    end
    
  end
  
end