cloudendure-sfn-tf-example/step-function.json at master · twarnock/cloudendure-sfn-tf-example · GitHub

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// -copy image
// -wait for copy to finish
// -split image
// -wait for split to finish
// -return AMI
{
  "Comment": "A state machine that copies a usually shared image and splits it into a root AMI tagged with its snapshots and attachment information",
  "StartAt": "Copy Image",
  "States": {
    "Copy Image": {
      "Type": "Task",
      "Resource": "arn:<PARTITION>:lambda:::function:SubmitJob",
      "ResultPath": "$.copy_ami",
      "Next": "Wait X Seconds",
      "Retry": [
        {
          "ErrorEquals": ["States.ALL"],
          "IntervalSeconds": 1,
          "MaxAttempts": 3,
          "BackoffRate": 2
        }
      ]
    },
    "Wait X Seconds": {
      "Type": "Wait",
      "SecondsPath": "$.wait_time",
      "Next": "Get Job Status"
    },
    "Get Copy Status": {
      "Type": "Task",
      "Resource": "arn:<PARTITION>:lambda:::function:GetCopyStatus",
      "Next": "Copy Complete?",
      "InputPath": "$.guid",
      "ResultPath": "$.status",
      "Retry": [
        {
          "ErrorEquals": ["States.ALL"],
          "IntervalSeconds": 1,
          "MaxAttempts": 3,
          "BackoffRate": 2
        }
      ]
    },
    "Job Complete?": {
      "Type": "Choice",
      "Choices": [
        {
          "Variable": "$.status",
          "StringEquals": "FAILED",
          "Next": "Job Failed"
        },
        {
          "Variable": "$.status",
          "StringEquals": "SUCCEEDED",
          "Next": "Split Image"
        }
      ],
      "Default": "Wait X Seconds"
    },
    "Job Failed": {
      "Type": "Fail",
      "Cause": "AWS Batch Job Failed",
      "Error": "DescribeJob returned FAILED"
    },
    "Split Image": {
      "Type": "Task",
      "Resource": "arn:<PARTITION>:lambda:::function:SplitImage",
      "InputPath": "$.copy_ami",
      "End": true,
      "Retry": [
        {
          "ErrorEquals": ["States.ALL"],
          "IntervalSeconds": 1,
          "MaxAttempts": 3,
          "BackoffRate": 2
        }
      ]
    }
  }
}