init: copied modules from lawndale-infra

lawndale-vm-ipam/dns.tf

@@ -0,0 +1,13 @@
+resource "dns_a_record_set" "this" {
+  zone      = "lawndale."
+  name      = "${var.name}.${var.interface}"
+  addresses = [local.ip_address]
+  ttl       = var.ttl
+}
+
+resource "dns_ptr_record" "this" {
+  zone = "168.192.in-addr.arpa."
+  name = local.ptr_name
+  ptr  = "${var.name}.${var.interface}.lawndale."
+  ttl  = var.ttl
+}

lawndale-vm-ipam/locals.tf

@@ -0,0 +1,18 @@
+locals {
+  interface_ip_map = {
+    "internal" = "192.168.254"
+    "nat"      = "192.168.253"
+  }
+  interface_ptr_map = {
+    "internal" = "254"
+    "nat"      = "253"
+  }
+
+  ip_address = "${local.interface_ip_map[var.interface]}.${var.id}"
+  ptr_name   = "${var.id}.${local.interface_ip_map[var.interface]}"
+
+  lawndale_interface_map = {
+    "internal" = "brInternal"
+    "nat"      = "brNAT"
+  }
+}

lawndale-vm-ipam/outputs.tf

@@ -0,0 +1,35 @@
+output "ip_address" {
+  value = local.ip_address
+}
+
+output "fqdn" {
+  value = "${dns_a_record_set.this.name}.${dns_a_record_set.this.zone}"
+}
+
+output "interface" {
+  value = var.interface
+}
+
+output "name" {
+  value = var.name
+}
+
+output "gateway" {
+  value = "${local.interface_ip_map[var.interface]}.254"
+}
+
+output "nameserver" {
+  value = "${local.interface_ip_map[var.interface]}.254"
+}
+
+output "search_domains" {
+  value = ["${var.interface}.lawndale.", "lawndale."]
+}
+
+output "cidr" {
+  value = 24
+}
+
+output "lawndale_interface" {
+  value = local.lawndale_interface_map[var.interface]
+}

lawndale-vm-ipam/providers.tf

@@ -0,0 +1,8 @@
+terraform {
+  required_providers {
+    dns = {
+      source  = "hashicorp/dns"
+      version = "~> 3.2"
+    }
+  }
+}

lawndale-vm-ipam/variables.tf

@@ -0,0 +1,21 @@
+variable "id" {
+  type        = number
+  description = "The ID for the VM that will be transposed into an IP address"
+}
+
+variable "name" {
+  type        = string
+  description = "The domain name for the vm"
+}
+
+variable "interface" {
+  type        = string
+  description = "Which interface should be used. Can be either nat or internal"
+}
+
+variable "ttl" {
+  type        = number
+  description = "TTL value for the new records"
+
+  default = 300
+}