Method: Cluster#current

Defined in:
lib/cluster.rb

#current(*params) ⇒ Object Also known as: instance 



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# File 'lib/cluster.rb', line 107

def current(*params)
  unless @sub.in_cluster?
    msg = "#{Cluster::NAME} says that we aren't in the cluster?"
    $stderr.puts  msg
    raise RuntimeError.new(msg)
  end

  unless params.length > 0
    msg = "#{Cluster::NAME} current needs to know what to do?\n\t* services\n\t* name (|| dns)\n\t* ip\n\t* enable\n\t* disable"
    $stderr.puts msg
    raise ArgumentError.new(msg)
  end

  current = @sub.current_instance
  cmd = params.shift

  case cmd.downcase
  when 'services'
    current.services - current.disabled_services
  when /^(n|dn)/ # name / dns
    current.dns
  when /^i/ # ip
    current.ip
  when /^a/ # add
    @sub.alter_instances!(current) {|i| i.services = Array(params) }
  when /^e/ # enable
   @sub.alter_instances!(current) {|i| i.enable *params }
  when /^di/ # disable
   @sub.alter_instances!(current) {|i| i.disable *params }
  when /^s/ # state
   @sub.alter_instances!(current) {|i| i.set_state *params }
  else
    msg = "#{Cluster::NAME} curent did not understand '#{params.join(' ')}'"
    $stderr.puts msg
    raise ArgumentError.new(msg)
  end
end