Very preliminary tf scripting.

tfenv/cluster/vpc.tf

@@ -0,0 +1,23 @@
+variable "region" {}
+variable "provider_alias" {}
+
+variable "regional_vpc_cidr" {
+  description = "A simple map of VPC subnets used by region"
+  type        = map
+  default     = {
+    "us-west-2" = "10.172.64.0/19",
+    "us-east-1" = "10.172.0.0/19",
+  }
+}
+
+resource "aws_vpc" "gagent" {
+  instance_tenancy   = "default"
+  enable_dns_support = true
+  cidr_block         = var.regional_vpc_cidr[var.region]
+  tags = merge(
+    var.extra_tags,
+    {
+      Name = "gagent"
+    }
+  )
+}