Step Functions ensures that the steps in the serverless workflow are followed reliably, that the information is passed between stages, and errors are handled automatically. Amazon States Language is the JSON-based language used to write declarative state machines to define durable and event-driven workflows in AWS Step Functions.
AWS Step Functions lets you coordinate multiple AWS services into serverless workflows so you can build and update apps quickly. Using Step Functions, you can design and run workflows that stitch together services such as AWS Lambda and Amazon ECS into feature-rich applications.
AWS CloudFormation is an Amazon Web Services (AWS) service that allows you to use programming languages or a simple text file to model and provision, in an automated and secure manner, all the resources needed for your applications across all regions and accounts.
Search for Step Function within the AWS console and you’ll see the following: Click the StateMachine name to take you to a Details screen. You will see detailed information for identifying the state machine ( ARN ), what role is used ( IAM role ARN ), the date created, an Executions tab, and a Definition tab.
Nov 16, 2017 · As of Dec 3, 2016, you can simply use an AWS Step function to put Lambda function Lambda_B as the sequential step of Lambda_A. With AWS Step Functions, you define your application as a state machine, a series of steps that together capture the behavior of the app. States in the state machine may be tasks, sequential steps,
The data type of the result of a concatenation operation depends of the data types of the operands and on the length of the resulting string, using the return type promotion rules that the section Return Types from the CONCAT Function describes.
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