aws_db_subnet_group resource

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

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.

See the AWS documentation on DB Subnet Groups.

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 resource has the following special matchers.

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 AWS 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.