aws_ec2_internet_gateway Resource

Use the aws_ec2_internet_gateway InSpec audit resource to test properties of a single specific AWS EC2 internet gateway.

The AWS::EC2::InternetGateway resource allocates an internet gateway for use with a VPC. After creating the internet gateway, you then attach it to a VPC.

For additional information, including details on parameters and properties, see the AWS documentation on AWS EC2 internet gateway.

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 internet gateway exists.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
  it { should exist }
end

Parameters

internet_gateway_id (required)

The ID of the internet gateway.

Properties

attachments

The attachment of the internet gateway.

attachments_states

The current state of the attachment. For an internet gateway, the state is available when attached to a VPC; otherwise, this value is not returned.

attachments_vpc_ids

The ID of the VPC.

internet_gateway_id

The ID of the internet gateway.

owner_id

The ID of the Amazon Web Services account that owns the internet gateway.

tags

The key/value combination of a tag assigned to the resource.

Examples

Ensure an attachments is available.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
  its('attachments') { should_not be_empty }
end

Ensure that the attachment state is available.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
    its('attachments_states') { should eq 'available' }
end

Ensure an internet gateway ID is available.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
  its('internet_gateway_id') { should eq 'INTERNET_GATEWAY_ID' }
end

Ensure an owner ID is available.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
  its('owner_id') { should eq 'OWNER_ID' }
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 describe method returns at least one result.

exist

Use should to test that the entity exists.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
  it { should exist }
end

Use should_not to test the entity does not exist.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
  it { should_not exist }
end

be_available

Use should to check if the entity is available.

describe aws_ec2_internet_gateway(internet_gateway_id: 'INTERNET_GATEWAY_ID') do
  it { should be_available }
end

AWS Permissions

Your Principal will need the EC2:Client:DescribeInternetGatewaysResult action with Effect set to Allow.