config_management.asl.json

{
  "Comment": "A description of an example IoT Config Management State Machine",
  "StartAt": "DescribeThing",
  "States": {
    "DescribeThing": {
      "Type": "Task",
      "Parameters": {
        "ThingName.$": "$.thingName"
      },
      "Resource": "arn:aws:states:::aws-sdk:iot:describeThing",
      "Next": "3Party_GetUserProfileForDevice",
      "ResultPath": "$.thing",
      "Retry": [
        {
          "ErrorEquals": [
            "States.ALL"
          ],
          "BackoffRate": 2,
          "IntervalSeconds": 2,
          "MaxAttempts": 2
        }
      ]
    },
    "3Party_GetUserProfileForDevice": {
      "Type": "Task",
      "Resource": "arn:aws:states:::lambda:invoke",
      "OutputPath": "$.Payload",
      "Parameters": {
        "Payload.$": "$",
        "FunctionName": "${3PartyGetUserProfileForDeviceArn}"
      },
      "Retry": [
        {
          "ErrorEquals": [
            "Lambda.ServiceException",
            "Lambda.AWSLambdaException",
            "Lambda.SdkClientException",
            "Lambda.TooManyRequestsException"
          ],
          "IntervalSeconds": 2,
          "MaxAttempts": 6,
          "BackoffRate": 2
        }
      ],
      "Next": "SetConfigurationOnDevice"
    },
    "SetConfigurationOnDevice": {
      "Type": "Task",
      "Resource": "arn:aws:states:::lambda:invoke",
      "OutputPath": "$.Payload",
      "Parameters": {
        "Payload.$": "$",
        "FunctionName": "${SetConfigurationFunctionArn}"
      },
      "Retry": [
        {
          "ErrorEquals": [
            "Lambda.ServiceException",
            "Lambda.AWSLambdaException",
            "Lambda.SdkClientException",
            "Lambda.TooManyRequestsException"
          ],
          "IntervalSeconds": 2,
          "MaxAttempts": 6,
          "BackoffRate": 2
        }
      ],
      "Next": "WaitForConfirmationEventFromDevice"
    },
    "WaitForConfirmationEventFromDevice": {
      "Type": "Task",
      "Resource": "arn:aws:states:::aws-sdk:dynamodb:putItem.waitForTaskToken",
      "Parameters": {
        "TableName": "CMTaskTokens",
        "Item": {
          "deviceId": {
            "S.$": "$.thingName"
          },
          "operationId": {
            "S.$": "$.operationId"
          },
          "token": {
            "S.$": "$$.Task.Token"
          },
          "name": {
            "S.$": "$.name"
          },
          "status": {
            "S": "ACTIVE"
          }
        }
      },
      "Next": "InterpretResult",
      "ResultPath": "$.result",
      "HeartbeatSeconds": 12
    },
    "InterpretResult": {
      "Type": "Choice",
      "Choices": [
        {
          "And": [
            {
              "Variable": "$.result",
              "IsPresent": true
            },
            {
              "Variable": "$.result.status",
              "StringMatches": "SUCCESS"
            }
          ],
          "Next": "Success"
        }
      ],
      "Default": "Fail"
    },
    "Success": {
      "Type": "Succeed"
    },
    "Fail": {
      "Type": "Fail"
    }
  }
}