VPC locals for terraform

locals.tf

locals {
  vpc_name = lower(format("%s-%s-%s", var.org, var.env, replace(replace(var.cidr_block, ".", "_"), "/", "-")))
  az_names = length(data.aws_availability_zones.available.names) < var.subnet_count ? data.aws_availability_zones.available.names : slice(data.aws_availability_zones.available.names, 0, var.subnet_count)
  public_subnet_cidrs = [
    for i in range(length(local.az_names)):
    cidrsubnet(var.cidr_block, var.subnet_cidr_mask - split("/", var.cidr_block)[1], i)
  ]
  private_subnet_cidrs = [
    for i in range(length(local.az_names), length(local.az_names) + length(local.az_names)):
    cidrsubnet(var.cidr_block, var.subnet_cidr_mask - split("/", var.cidr_block)[1], i)
  ]
  tags = merge({
    Environment  = var.env
    Organization = var.org
  }, var.tags)
}