serverless-stepf.yml

rBuilds:
  id: RBuildsStepFunction
  name: r-builds-${self:provider.stage}
  definition:
    StartAt: QueueBuilds
    States:
      QueueBuilds:
        Type: Task
        Resource:
          Fn::Sub: arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:function:${self:service}-${self:provider.stage}-queueBuilds
        Next: Wait
      Wait:
        Type: Wait
        Seconds: 60
        Next: JobQueueStatus
      JobQueueStatus:
        Type: Task
        Resource:
          Fn::Sub: arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:function:${self:service}-${self:provider.stage}-jobQueueStatus
        Next: QueueEmpty?
      QueueEmpty?:
        Type: Choice
        Choices:
          - Variable: "$.unfinishedJobCount"
            NumericGreaterThan: 0
            Next: Wait
          - Variable: "$.unfinishedJobCount"
            NumericEquals: 0
            Next: Finished
      Finished:
        Type: Task
        Resource:
          Fn::Sub: arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:function:${self:service}-${self:provider.stage}-finished
        Next: SuccessOrFail
      SuccessOrFail:
        Type: Choice
        Choices:
          - Variable: "$.failedJobCount"
            NumericGreaterThan: 0
            Next: Fail
        Default: Succeed
      Fail:
        Type: Fail
      Succeed:
        Type: Succeed