def resolveRDSTunnelTarget()

in src/main/scala/com/gu/ssm/IO.scala [23:30]

• 8 lines of code
• 4 McCabe index (conditional complexity)

  def resolveRDSTunnelTarget(target: TunnelTargetWithRDSTags, rdsClient: AmazonRDSAsync)(implicit ec: ExecutionContext): Attempt[TunnelTargetWithHostName] = {
    RDS.resolveByTags(target.remoteTags.toList, rdsClient).flatMap {
      case rdsInstance :: Nil => Attempt.Right(TunnelTargetWithHostName(target.localPort, rdsInstance.hostname, rdsInstance.port, target.remoteTags))
      case Nil => Attempt.Left(Failure("Could not find target from tags", s"We could not find an RDS instance with the tags: ${target.remoteTags.mkString(", ")}", ArgumentsError))
      case tooManyInstances =>
        Attempt.Left(Failure("More than one tunnel target resolved from tags", s"We expected to find a single target, but there was more than one tunnel target resolved from the tags: ${target.remoteTags.mkString(", ")}", ArgumentsError))
    }
  }