unbind_node.rb

  command :unbind_node do |data|
    data['name'] or error 400,
      :error => "Supply 'name' to indicate which node to unbind"
    if node = Razor::Data::Node.find_by_name(data['name'])
      if node.policy
        policy_name = node.policy.name
        node.log_append(:event => :unbind, :policy => policy_name)
        node.policy = nil
        node.bound = false
        node.save
        action = "node unbound. policy was #{policy_name}"
      elsif node.bound
        # Node was bound, policy had been deleted some time before
        node.bound = false
        node.log_append(:event => :unbind)
      else
        action = "no changes; node #{data['name']} is not bound"
      end
    else
      action = "no changes; node #{data['name']} does not exist"
    end
    { :result => action }
  end