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aws_lambda_version Resource

Use the aws_lambda_version InSpec audit resource to test properties of a single AWS Lambda function version.

The AWS::Lambda::Version resource creates a version from the current code and configuration of a function. Use versions to create a snapshot of your function code and configuration that doesn’t change.

For additional information, including details on parameters and properties, see the AWS documentation on AWS Lambda Version.

Installation

This resource is available in the Chef InSpec AWS resource pack.

See the Chef InSpec documentation on cloud platforms for information on configuring your AWS environment for InSpec and creating an InSpec profile that uses the InSpec AWS resource pack.

Syntax

Ensure that the Lambda layer version exists.

describe aws_lambda_version(layer_name: 'LAYER_NAME', version_number: 1) do
  it { should exist }
end

Parameters

layer_name (required)

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

version_number (required)

The version number.

Properties

content.location
A link to the layer archive in Amazon S3 that is valid for 10 minutes.
content.code_sha_256
The SHA-256 hash of the layer archive.
content.code_size
The size of the layer archive in bytes.
content.signing_profile_version_arn
The Amazon Resource Name (ARN) for a signing profile version.
content.signing_job_arn
The Amazon Resource Name (ARN) of a signing job.
layer_arn
The ARN of the layer.
layer_version_arn
The ARN of the layer version.
description
The description of the version.
created_date
The date that the layer version was created, in ISO-8601 format (YYYY-MM-DDThh:mm:ss.sTZD).
version
The version number.
compatible_runtimes
The layer’s compatible runtimes.
license_info
The layer’s software license.
compatible_architectures
A list of compatible instruction set architectures.

Examples

Ensure a layer ARN is available.

describe aws_lambda_version(layer_name: 'LAYER_NAME', version_number: 1) do
  its('layer_arn') { should eq 'LAYER_ARN' }
end

Ensure a layer version ARN is available.

describe aws_lambda_version(layer_name: 'LAYER_NAME', version_number: 1) do
  its('layer_version_arn') { should eq 'LAYER_VERSION_ARN' }
end

Matchers

This InSpec audit resource has the following special matchers. For a full list of available matchers, please visit our Universal Matchers page.

The controls will pass if the get method returns at least one result.

exist

Use should to test that the entity exists.

describe aws_lambda_version(layer_name: 'LAYER_NAME', version_number: 1) do
  it { should exist }
end

Use should_not to test the entity does not exist.

describe aws_lambda_version(layer_name: 'LAYER_NAME', version_number: 1) do
  it { should_not exist }
end

be_available

Use should to check if the entity is available.

describe aws_lambda_version(layer_name: 'LAYER_NAME', version_number: 1) do
  it { should be_available }
end

AWS Permissions

Your Principal will need the Lambda:Client:GetLayerVersionResponse action with Effect set to Allow.

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