Lambda / Client / get_layer_version

get_layer_version

Lambda.Client.get_layer_version(**kwargs)

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

See also: AWS API Documentation

Request Syntax

response = client.get_layer_version(
    LayerName='string',
    VersionNumber=123
)

Parameters:

• LayerName (string) –

  [REQUIRED]

  The name or Amazon Resource Name (ARN) of the layer.

• VersionNumber (integer) –

  [REQUIRED]

  The version number.

Return type:

dict

Returns:

Response Syntax

{
    'Content': {
        'Location': 'string',
        'CodeSha256': 'string',
        'CodeSize': 123,
        'SigningProfileVersionArn': 'string',
        'SigningJobArn': 'string'
    },
    'LayerArn': 'string',
    'LayerVersionArn': 'string',
    'Description': 'string',
    'CreatedDate': 'string',
    'Version': 123,
    'CompatibleRuntimes': [
        'nodejs'|'nodejs4.3'|'nodejs6.10'|'nodejs8.10'|'nodejs10.x'|'nodejs12.x'|'nodejs14.x'|'nodejs16.x'|'java8'|'java8.al2'|'java11'|'python2.7'|'python3.6'|'python3.7'|'python3.8'|'python3.9'|'dotnetcore1.0'|'dotnetcore2.0'|'dotnetcore2.1'|'dotnetcore3.1'|'dotnet6'|'dotnet8'|'nodejs4.3-edge'|'go1.x'|'ruby2.5'|'ruby2.7'|'provided'|'provided.al2'|'nodejs18.x'|'python3.10'|'java17'|'ruby3.2'|'ruby3.3'|'python3.11'|'nodejs20.x'|'provided.al2023'|'python3.12'|'java21',
    ],
    'LicenseInfo': 'string',
    'CompatibleArchitectures': [
        'x86_64'|'arm64',
    ]
}

Response Structure

• (dict) –

  • Content (dict) –

    Details about the layer version.

    • Location (string) –

      A link to the layer archive in Amazon S3 that is valid for 10 minutes.

    • CodeSha256 (string) –

      The SHA-256 hash of the layer archive.

    • CodeSize (integer) –

      The size of the layer archive in bytes.

    • SigningProfileVersionArn (string) –

      The Amazon Resource Name (ARN) for a signing profile version.

    • SigningJobArn (string) –

      The Amazon Resource Name (ARN) of a signing job.

  • LayerArn (string) –

    The ARN of the layer.

  • LayerVersionArn (string) –

    The ARN of the layer version.

  • Description (string) –

    The description of the version.

  • CreatedDate (string) –

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

  • Version (integer) –

    The version number.

  • CompatibleRuntimes (list) –

    The layer’s compatible runtimes.

    The following list includes deprecated runtimes. For more information, see Runtime deprecation policy.

    • (string) –

  • LicenseInfo (string) –

    The layer’s software license.

  • CompatibleArchitectures (list) –

    A list of compatible instruction set architectures.

    • (string) –

Exceptions

• Lambda.Client.exceptions.ServiceException

• Lambda.Client.exceptions.InvalidParameterValueException

• Lambda.Client.exceptions.TooManyRequestsException

• Lambda.Client.exceptions.ResourceNotFoundException

Examples

The following example returns information for version 1 of a layer named my-layer.

response = client.get_layer_version(
    LayerName='my-layer',
    VersionNumber=1,
)

print(response)

Expected Output:

{
    'CompatibleRuntimes': [
        'python3.6',
        'python3.7',
    ],
    'Content': {
        'CodeSha256': 'tv9jJO+rPbXUUXuRKi7CwHzKtLDkDRJLB3cC3Z/ouXo=',
        'CodeSize': 169,
        'Location': 'https://awslambda-us-east-2-layers.s3.us-east-2.amazonaws.com/snapshots/123456789012/my-layer-4aaa2fbb-ff77-4b0a-ad92-5b78a716a96a?versionId=27iWyA73cCAYqyH...',
    },
    'CreatedDate': '2018-11-14T23:03:52.894+0000',
    'Description': 'My Python layer',
    'LayerArn': 'arn:aws:lambda:us-east-2:123456789012:layer:my-layer',
    'LayerVersionArn': 'arn:aws:lambda:us-east-2:123456789012:layer:my-layer:1',
    'LicenseInfo': 'MIT',
    'Version': 1,
    'ResponseMetadata': {
        '...': '...',
    },
}