def resolveInstances()

in src/main/scala/com/gu/ssm/IO.scala [15:21]

• 7 lines of code
• 1 McCabe index (conditional complexity)

  def resolveInstances(executionTarget: ExecutionTarget, ec2Client: AmazonEC2Async)(implicit ec: ExecutionContext): Attempt[List[Instance]] = {
    executionTarget.instances.map( instances =>
      EC2.resolveInstanceIds(instances, ec2Client)
    ).orElse {
      executionTarget.tagValues.map(EC2.resolveByTags(_, ec2Client))
    }.getOrElse(Attempt.Left(Failure("Unable to resolve execution target", "You must provide an execution target (instance(s) or tags)", ArgumentsError)))
  }