inspec/lib/resources/aws/aws_subnet.rb
Miah Johnson a4f4fe5231 chefstyle -a; https://github.com/chef/chefstyle/pull/74
Signed-off-by: Miah Johnson <miah@chia-pet.org>
2019-07-08 17:22:50 -07:00

92 lines
3.3 KiB
Ruby

require "resource_support/aws/aws_singular_resource_mixin"
require "resource_support/aws/aws_backend_base"
require "aws-sdk-ec2"
class AwsSubnet < Inspec.resource(1)
name "aws_subnet"
desc "This resource is used to test the attributes of a VPC subnet"
example <<~EXAMPLE
describe aws_subnet(subnet_id: 'subnet-12345678') do
it { should exist }
its('cidr_block') { should eq '10.0.1.0/24' }
end
EXAMPLE
supports platform: "aws"
include AwsSingularResourceMixin
attr_reader :assigning_ipv_6_address_on_creation, :availability_zone, :available_ip_address_count,
:available, :cidr_block, :default_for_az, :ipv_6_cidr_block_association_set,
:mapping_public_ip_on_launch, :subnet_id, :vpc_id
alias available? available
alias default_for_az? default_for_az
alias mapping_public_ip_on_launch? mapping_public_ip_on_launch
alias assigning_ipv_6_address_on_creation? assigning_ipv_6_address_on_creation
def to_s
"VPC Subnet #{@subnet_id}"
end
private
def validate_params(raw_params)
validated_params = check_resource_param_names(
raw_params: raw_params,
allowed_params: [:subnet_id],
allowed_scalar_name: :subnet_id,
allowed_scalar_type: String
)
# Make sure the subnet_id parameter was specified and in the correct form.
if validated_params.key?(:subnet_id) && validated_params[:subnet_id] !~ /^subnet\-[0-9a-f]{8}/
raise ArgumentError, 'aws_subnet Subnet ID must be in the format "subnet-" followed by 8 hexadecimal characters.'
end
if validated_params.empty?
raise ArgumentError, "You must provide a subnet_id to aws_subnet."
end
validated_params
end
def fetch_from_api
backend = BackendFactory.create(inspec_runner)
# Transform into filter format expected by AWS
filters = []
filters.push({ name: "subnet-id", values: [@subnet_id] })
ds_response = backend.describe_subnets(filters: filters)
# If no subnets exist in the VPC, exist is false.
if ds_response.subnets.empty?
@exists = false
return
end
@exists = true
assign_properties(ds_response)
end
def assign_properties(ds_response)
@vpc_id = ds_response.subnets[0].vpc_id
@subnet_id = ds_response.subnets[0].subnet_id
@cidr_block = ds_response.subnets[0].cidr_block
@availability_zone = ds_response.subnets[0].availability_zone
@available_ip_address_count = ds_response.subnets[0].available_ip_address_count
@default_for_az = ds_response.subnets[0].default_for_az
@mapping_public_ip_on_launch = ds_response.subnets[0].map_public_ip_on_launch
@available = ds_response.subnets[0].state == "available"
@ipv_6_cidr_block_association_set = ds_response.subnets[0].ipv_6_cidr_block_association_set
@assigning_ipv_6_address_on_creation = ds_response.subnets[0].assign_ipv_6_address_on_creation
end
# Uses the SDK API to really talk to AWS
class Backend
class AwsClientApi < AwsBackendBase
BackendFactory.set_default_backend(self)
self.aws_client_class = Aws::EC2::Client
def describe_subnets(query)
aws_service_client.describe_subnets(query)
end
end
end
end