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

module Fog
  module AWS
    class EC2

      def instances
        Fog::AWS::EC2::Instances.new(:connection => self)
      end

      class Instances < Fog::Collection

        attribute :instance_id

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

        def all(instance_id = [])
          data = connection.describe_instances(instance_id).body
          instances = Fog::AWS::EC2::Instances.new({
            :connection   => connection,
            :instance_id  => instance_id
          }.merge!(attributes))
          data['reservationSet'].each do |reservation|
            reservation['instancesSet'].each do |instance|
              instances << Fog::AWS::EC2::Instance.new({
                :connection => connection,
                :instances  => self
              }.merge!(instance))
            end
          end
          instances
        end

        def create(attributes = {})
          instance = new(attributes)
          instance.save
          instance
        end

        def get(instance_id)
          if instance_id
            all(instance_id).first
          end
        rescue Fog::Errors::BadRequest
          nil
        end

        def new(attributes = {})
          Fog::AWS::EC2::Instance.new(
            attributes.merge!(
              :connection => connection,
              :instances  => self
            )
          )
        end

        def reload
          all(instance_id)
        end

      end

    end
  end
end