fog--fog/lib/fog/aws/models/ec2/security_groups.rb

module Fog
  module AWS
    class EC2

      def security_groups
        Fog::AWS::EC2::SecurityGroups.new(:connection => self)
      end

      class SecurityGroups < Fog::Collection

        attribute :group_name

        model Fog::AWS::EC2::SecurityGroup

        def initialize(attributes)
          @group_name ||= []
          super
        end

        def all(group_name = @group_name)
          @group_name = group_name
          if @loaded
            clear
          end
          @loaded = true
          data = connection.describe_security_groups(group_name).body
          data['securityGroupInfo'].each do |security_group|
            self << new(security_group)
          end
          self
        end

        def get(group_name)
          if group_name
            all(group_name).first
          end
        rescue Excon::Errors::BadRequest
          nil
        end

      end

    end
  end
end