step_function_workflow_updater.cform

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Parameters" : {
    "S3Key" : {
      "Type" : "String",
      "Description" : "The S3 Key to the workflow JSON for the state machine definition"
    },
    "SMResource" : {
      "Type" : "String",
      "Description" : "The identifier of the StateMachine resource whose workflow will be updated",
      "Default" : "MyStateMachine"
    }
  },
  "Transform" : [ "StepFunctionWorkflowInjector" ],
  "Resources" : {
    "MyStateMachine" : {
      "Type": "AWS::StepFunctions::StateMachine",
      "Properties": {
        "DefinitionString": "{\"StartAt\":\"HelloWorld\",\"States\":{\"HelloWorld\":{\"End\":true,\"Result\":\"Hello World!\",\"Type\":\"Pass\"}}}",
        "RoleArn": { "Fn::GetAtt" : [ "MyStateMachineRole", "Arn" ] }
      }
    },
    "MyStateMachineRole" : {
      "Type": "AWS::IAM::Role",
      "Properties": {
        "AssumeRolePolicyDocument": {
            "Version": "2012-10-17",
            "Statement": [
                {
                    "Effect": "Allow",
                    "Principal": {
                        "Service": "lambda.amazonaws.com"
                    },
                    "Action": "sts:AssumeRole"
                }
            ]
        },
        "Path": "/",
        "Policies": [ ]
      }
    }
  },
  "Outputs" : {
    "StateMachineArn" : {
      "Description" : "The Arn of the StateMachine that has been created",
      "Value" : { "Ref" : "MyStateMachine" }
    },
    "RoleArn" : {
      "Description" : "The Arn of the Role that the StateMachine will be using, allows policies to be added later",
      "Value" : { "Fn::GetAtt" : [ "MyStateMachineRole", "Arn" ] }
    }
  }
}