AWS Lambda
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GetLayerVersionByArn

Returns information about a version of an AWS Lambda layer, with a link to download the layer archive that's valid for 10 minutes.

Request Syntax

GET /2018-10-31/layers?find=LayerVersion&Arn=Arn HTTP/1.1

URI Request Parameters

The request requires the following URI parameters.

Arn

The ARN of the layer version.

Length Constraints: Minimum length of 1. Maximum length of 140.

Pattern: arn:[a-zA-Z0-9-]+:lambda:[a-zA-Z0-9-]+:\d{12}:layer:[a-zA-Z0-9-_]+:[0-9]+

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "CompatibleRuntimes": [ "string" ], "Content": { "CodeSha256": "string", "CodeSize": number, "Location": "string" }, "CreatedDate": "string", "Description": "string", "LayerArn": "string", "LayerVersionArn": "string", "LicenseInfo": "string", "Version": number }

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.

CompatibleRuntimes

The layer's compatible runtimes.

Type: Array of strings

Array Members: Maximum number of 5 items.

Valid Values: nodejs8.10 | nodejs10.x | nodejs12.x | java8 | java11 | python2.7 | python3.6 | python3.7 | python3.8 | dotnetcore1.0 | dotnetcore2.1 | go1.x | ruby2.5 | provided

Content

Details about the layer version.

Type: LayerVersionContentOutput object

CreatedDate

The date that the layer version was created, in ISO-8601 format (YYYY-MM-DDThh:mm:ss.sTZD).

Type: String

Description

The description of the version.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 256.

LayerArn

The ARN of the layer.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 140.

Pattern: arn:[a-zA-Z0-9-]+:lambda:[a-zA-Z0-9-]+:\d{12}:layer:[a-zA-Z0-9-_]+

LayerVersionArn

The ARN of the layer version.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 140.

Pattern: arn:[a-zA-Z0-9-]+:lambda:[a-zA-Z0-9-]+:\d{12}:layer:[a-zA-Z0-9-_]+:[0-9]+

LicenseInfo

The layer's software license.

Type: String

Length Constraints: Maximum length of 512.

Version

The version number.

Type: Long

Errors

InvalidParameterValueException

One of the parameters in the request is invalid.

HTTP Status Code: 400

ResourceNotFoundException

The resource specified in the request does not exist.

HTTP Status Code: 404

ServiceException

The AWS Lambda service encountered an internal error.

HTTP Status Code: 500

TooManyRequestsException

The request throughput limit was exceeded.

HTTP Status Code: 429

See Also

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