# File lib/fog/aws/requests/compute/reboot_instances.rb, line 33
        def reboot_instances(instance_id = [])
          response = Excon::Response.new
          instance_id = [*instance_id]
          if (self.data[:instances].keys & instance_id).length == instance_id.length
            for instance_id in instance_id
              self.data[:instances][instance_id]['status'] = 'rebooting'
            end
            response.status = 200
            response.body = {
              'requestId' => Fog::AWS::Mock.request_id,
              'return'    => true
            }
            response
          else
            raise Fog::Compute::AWS::NotFound.new("The instance ID #{instance_id.inspect} does not exist")
          end
        end