Lambda / Client / get_layer_version_by_arn

get_layer_version_by_arn

Lambda.Client.get_layer_version_by_arn(**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_by_arn(
    Arn='string'
)

Parameters:

Arn (string) –

[REQUIRED]

The ARN of the layer version.

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'|'nodejs4.3-edge'|'go1.x'|'ruby2.5'|'ruby2.7'|'provided'|'provided.al2'|'nodejs18.x',
    ],
    '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.

    • (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 about the layer version with the specified Amazon Resource Name (ARN).

response = client.get_layer_version_by_arn(
    Arn='arn:aws:lambda:ca-central-1:123456789012:layer:blank-python-lib:3',
)

print(response)

Expected Output:

{
    'CompatibleRuntimes': [
        'python3.8',
    ],
    'Content': {
        'CodeSha256': '6x+xmpl/M3BnQUk7gS9sGmfeFsR/npojXoA3fZUv4eU=',
        'CodeSize': 9529009,
        'Location': 'https://awslambda-us-east-2-layers.s3.us-east-2.amazonaws.com/snapshots/123456789012/blank-python-lib-e5212378-xmpl-44ee-8398-9d8ec5113949?versionId=WbZnvf...',
    },
    'CreatedDate': '2020-03-31T00:35:18.949+0000',
    'Description': 'Dependencies for the blank-python sample app.',
    'LayerArn': 'arn:aws:lambda:us-east-2:123456789012:layer:blank-python-lib',
    'LayerVersionArn': 'arn:aws:lambda:us-east-2:123456789012:layer:blank-python-lib:3',
    'Version': 3,
    'ResponseMetadata': {
        '...': '...',
    },
}