aws_stepfunc_chainer/stepfunction.json at master · mizti/aws_stepfunc_chainer · GitHub

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{
  "Comment" : "Machine learning execution with spot instance",
  "StartAt" : "CreateS3Bucket",
  "States"  : {
    "CreateS3Bucket": {
      "Type"      : "Task",
      "Resource"  : "arn:aws:lambda:ap-northeast-1:517180089186:function:create_s3_bucket",
      "Next"      : "RequestSpotInstance"
    },
    "RequestSpotInstance": {
      "Type"      : "Task",
      "Resource"  : "arn:aws:lambda:ap-northeast-1:517180089186:function:request_spot_instance",
      "Next"      : "WaitBidding"
    },
    "WaitBidding": {
      "Type"      : "Wait",
      "Seconds"   : 30,
      "Next"      : "CheckBiddingResult"
    },
    "CheckBiddingResult": {
      "Type"      : "Task",
      "Resource"  : "arn:aws:lambda:ap-northeast-1:517180089186:function:check_bidding_result",
      "Next": "ChoiceBiddingResult"
    },
    "ChoiceBiddingResult": {
      "Type" : "Choice",
      "Choices": [
        {
          "Variable": "$.request_result",
          "BooleanEquals": true,
          "Next": "NotifyRequestSuccess"
        },
        {
          "Variable": "$.request_result",
          "BooleanEquals": false,
          "Next": "NotifyRequestFailed"
        }
      ],
      "Default": "NotifyRequestFailed"
    },
    "NotifyRequestFailed": {
      "Type" : "Task",
      "Resource": "arn:aws:lambda:ap-northeast-1:517180089186:function:send_sms_message",
      "Next": "SpotRequestFailed"
    },
    "SpotRequestFailed": {
          "Type": "Fail",
          "Error": "SpotRequestError",
          "Cause": "Spot price bidding too low"
    },
    "NotifyRequestSuccess": {
      "Type" : "Task",
      "Resource": "arn:aws:lambda:ap-northeast-1:517180089186:function:send_sms_message",
      "Next": "WaitTaskComplete"
    },
    "WaitTaskComplete": {
      "Type"      : "Wait",
      "Seconds"   : 10,
      "Next"      : "CheckTaskCompleted"
    },
    "CheckTaskCompleted": {
      "Type" : "Task",
      "Resource": "arn:aws:lambda:ap-northeast-1:517180089186:function:check_task_completed",
      "Next": "ChoiceTaskCompleted"
    },
    "ChoiceTaskCompleted": {
      "Type" : "Choice",
      "Choices": [
        {
          "Variable": "$.task_completed",
          "BooleanEquals": true,
          "Next": "NotifyTaskCompleted"
        },
        {
          "Variable": "$.task_completed",
          "BooleanEquals": false,
          "Next": "WaitTaskComplete"
        }
      ],
      "Default": "WaitTaskComplete"
    },
    "NotifyTaskCompleted":{
      "Type": "Task",
      "Resource": "arn:aws:lambda:ap-northeast-1:517180089186:function:send_sms_message",
      "Next": "WaitInstanceDelete"
    },
    "WaitInstanceDelete": {
      "Type"      : "Wait",
      "Seconds"   : 1800,
      "Next"      : "DeleteSpotInstance"
    },
    "DeleteSpotInstance": {
      "Type": "Task",
      "Resource": "arn:aws:lambda:ap-northeast-1:517180089186:function:delete_ec2_instance",
      "End": true
    }
  }
}