code: func isAWSErrorVolumeNotFound(err error) bool {
  	if err != nil {
  		if awsError, ok := err.(awserr.Error); ok {
  			// https://docs.aws.amazon.com/AWSEC2/latest/APIReference/errors-overview.html
  			if awsError.Code() == "InvalidVolume.NotFound" {
  				return true
  			}
  		}
  	}
  	return false
  }
docs: // Helper function for describeVolume callers. Tries to retype given error to AWS error
  // and returns true in case the AWS error is "InvalidVolume.NotFound", false otherwise