# File lib/chef/knife/ec2_server_list.rb, line 49
      def run 
        require 'fog'
        require 'highline'
        require 'net/ssh/multi'
        require 'readline'

        $stdout.sync = true

        connection = Fog::AWS::EC2.new(
          :aws_access_key_id => Chef::Config[:knife][:aws_access_key_id],
          :aws_secret_access_key => Chef::Config[:knife][:aws_secret_access_key],
          :region => config[:region]
        )

        server_list = [ 
          h.color('Instance ID', :bold), 
          h.color('Public IP', :bold), 
          h.color('Private IP', :bold),
          h.color('Flavor', :bold),
          h.color('Image', :bold),
          h.color('Security Groups', :bold),
          h.color('State', :bold)
        ]
        connection.servers.all.each do |server|
          server_list << server.id.to_s
          server_list << (server.ip_address == nil ? "" : server.ip_address)
          server_list << (server.private_ip_address == nil ? "" : server.private_ip_address) 
          server_list << (server.flavor_id == nil ? "" : server.flavor_id)
          server_list << (server.image_id == nil ? "" : server.image_id)
          server_list << server.groups.join(", ")
          server_list << server.state
        end
        puts h.list(server_list, :columns_across, 7)

      end