aws_db_subnet_group Resource

Use the aws_db_subnet_group InSpec audit resource to test properties of a db subnet group.

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

An aws_db_subnet_group resource block uses the parameter to select a subnet group.

describe aws_db_subnet_group(db_subnet_group_name: 'subnet-group-name-12345') do
  it { should exist }
end

Parameters

db_subnet_group_name (required): This resource accepts a single parameter, the DB Subnet Group Name. This can be passed either as a string or as a aws_db_subnet_group: 'value' key-value entry in a hash.

Properties

db_subnet_group_name: The name of the DB subnet group.
db_subnet_group_description: Provides the description of the DB subnet group.
vpc_id: Provides the VPC ID of the DB subnet group.
subnet_group_status: Provides the status of the DB subnet group.
subnets: Contains a list of Subnet elements.
db_subnet_group_arn: The Amazon Resource Name for the DB subnet group.

For a comprehensive list of properties available, see the API reference documentation

Examples

Check DB Subnet Group Name of a subnet group.

describe aws_db_subnet_group(db_subnet_group_name: 'subnet-group-name-12345') do
  its('db_subnet_group_name')  { should eq 'subnet-group-name-12345' }
end

Matchers

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

exist

The control will pass if the describe returns at least one result.

Use should_not to test the entity should not exist.

describe aws_db_subnet_group(db_subnet_group_name: 'subnet-group-name-12345') do
  it { should exist }
end

describe aws_rds_cluster(db_cluster_identifier: 'subnet-group-name-6789') do
  it { should_not exist }
end

AWS Permissions

Your Principal will need the RDS:Client:DBSubnetGroupMessage action with Effect set to Allow.

You can find detailed documentation at Actions, Resources, and Condition Keys for Amazon RDS.