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aws_alb resource

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Use the aws_alb InSpec audit resource to test properties of a single AWS Application Load Balancer (ALB).

Syntax

Ensure that an aws_alb exists

describe aws_alb('arn:aws:elasticloadbalancing') do
  it { should exist }
end

describe aws_alb(load_balancer_arn: 'arn:aws:elasticloadbalancing') do
  it { should exist }
end

Parameters

load_balancer_arn (required)

This resource accepts a single parameter, the ALB Arn which uniquely identifies the ALB. This can be passed either as a string or as a load_balancer_arn: 'value' key-value entry in a hash.

See also the AWS documentation on Elastic Load Balancing.

Properties

Property Description
load_balancer_name The name of the load balancer.
load_balancer_addresses A collectionm of the load balancer addresses.
canonical_hosted_zone_id The ID of the Amazon Route 53 hosted zone for the load balancer.
dns_name The DNS name of the load balancer.
availability_zones The Availability Zones for the load balancer.
security_groups The security groups for the load balancer. Valid only for load balancers in a VPC.
scheme The type of load balancer. Valid only for load balancers in a VPC.
state The state of the load balancer.
subnets A collection of the subnet ids.
type The type of the load balancer.
vpc_id The ID of the VPC for the load balancer.
zone_names A collection of the names of the availability zones.
listeners A collection of the listeners for the load balancer.
ssl_policies A list of the SSL Policies configured for the listeners of the load balancer.
external_ports A list of the ports configured for the listeners of the load balancer.
protocols A list of the protocols configured for the listeners of the load balancer.

Examples

Test that an ALB has its availability zones configured correctly

describe aws_alb('arn::alb') do
  its('zone_names.count')  { should be > 1 }
  its('zone_names')        { should include 'us-east-2a' }
  its('zone_names')        { should include 'us-east-2b' }
end

Matchers

This InSpec audit resource has no special matchers. For a full list of available matchers, please visit our Universal 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_alb('AnExistingALB') do
  it { should exist }
end

describe aws_alb('ANonExistentALB') do
  it { should_not exist }
end

AWS Permissions

Your Principal will need the elasticloadbalancing:DescribeLoadBalancers action set to Allow.

You can find detailed documentation at Authentication and Access Control for Your Load Balancers

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