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AWS Data Pipeline
API Reference (API Version 2012-10-29)

ReportTaskRunnerHeartbeat

Task runners call ReportTaskRunnerHeartbeat every 15 minutes to indicate that they are operational. If the AWS Data Pipeline Task Runner is launched on a resource managed by AWS Data Pipeline, the web service can use this call to detect when the task runner application has failed and restart a new instance.

Request Syntax

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{ "hostname": "string", "taskrunnerId": "string", "workerGroup": "string" }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

hostname

The public DNS name of the task runner.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1024.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\n\t]*

Required: No

taskrunnerId

The ID of the task runner. This value should be unique across your AWS account. In the case of AWS Data Pipeline Task Runner launched on a resource managed by AWS Data Pipeline, the web service provides a unique identifier when it launches the application. If you have written a custom task runner, you should assign a unique identifier for the task runner.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1024.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\n\t]*

Required: Yes

workerGroup

The type of task the task runner is configured to accept and process. The worker group is set as a field on objects in the pipeline when they are created. You can only specify a single value for workerGroup. There are no wildcard values permitted in workerGroup; the string must be an exact, case-sensitive, match.

Type: String

Required: No

Response Syntax

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{ "terminate": boolean }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

terminate

Indicates whether the calling task runner should terminate.

Type: Boolean

Errors

For information about the errors that are common to all actions, see Common Errors.

InternalServiceError

An internal service error occurred.

HTTP Status Code: 500

InvalidRequestException

The request was not valid. Verify that your request was properly formatted, that the signature was generated with the correct credentials, and that you haven't exceeded any of the service limits for your account.

HTTP Status Code: 400

Example

Sample Request

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POST / HTTP/1.1 Content-Type: application/x-amz-json-1.1 X-Amz-Target: DataPipeline.ReportTaskRunnerHeartbeat Content-Length: 84 Host: datapipeline.us-east-1.amazonaws.com X-Amz-Date: Mon, 12 Nov 2012 17:49:52 GMT Authorization: AuthParams {"taskrunnerId": "1234567890", "workerGroup": "wg-12345", "hostname": "example.com"}

Sample Response

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Status: x-amzn-RequestId: b3104dc5-0734-11e2-af6f-6bc7a6be60d9 Content-Type: application/x-amz-json-1.1 Content-Length: 20 Date: Mon, 12 Nov 2012 17:50:53 GMT {"terminate": false}

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: