def __init__()

in infra/topologies.py [0:0]

• 31 lines of code
• 3 McCabe index (conditional complexity)

  def __init__(self:IVpcRivStack, scope:Construct, id:str, **kwargs)->None:
    super().__init__(scope, id, **kwargs)
    core.Tags.of(self).add('riv_stack',self.riv_stack_name)

    self.networking = VpcNetworkingConstruct(self,self.riv_stack_name,
      cidr=self.cidr_block,
      subnet_configuration=self.subnet_configuration)

    if config.use_isolated_subnets:
      '''
      Configure the base networking for the environment.
      **IMPORTANT** ISOLATED subnets cannot reach the public internet.
      This means that customers must whitelist any AWS services
        by creating VPC-endpoints to securely route the traffic.
      '''
      self.networking.endpoints.add_ssm_support()
      self.networking.endpoints.add_kms_support()
      self.networking.endpoints.add_rekognition_support()
      self.networking.endpoints.add_textract_support()

    if config.use_automated_backup:
      '''
      Create default backup policy for all resources 
      '''
      self.backup_policy = BackupStrategyConstruct(self,'Backup',
        riv_stack=self)

    # Create default security group...
    self.security_group = ec2.SecurityGroup(self,'SecurityGroup',
      description='Default-SG for {} RIV stack'.format(self.riv_stack_name),
      vpc= self.vpc,
      allow_all_outbound=True)
    
    self.security_group.add_ingress_rule(
      peer= ec2.Peer.any_ipv4(),
      connection= ec2.Port.all_icmp(),
      description='Grant icmp from anywhere')