init

Author: SweetOps

main.tf

@@ -7,6 +7,7 @@ locals {
   availability_zone    = "${var.availability_zone != "" ? var.availability_zone : data.aws_subnet.default.availability_zone}"
   ami                  = "${var.ami != "" ? var.ami : data.aws_ami.default.image_id}"
   root_volume_type     = "${var.root_volume_type != "" ? var.root_volume_type : data.aws_ami.info.root_device_type}"
+  user_data            = "${length(var.custom_user_data) > 0 ?  var.custom_user_data : data.template_file.user_data.rendered}"
 }
 
 data "aws_caller_identity" "default" {}
@@ -99,7 +100,7 @@ resource "aws_instance" "default" {
   instance_type               = "${var.instance_type}"
   ebs_optimized               = "${var.ebs_optimized}"
   disable_api_termination     = "${var.disable_api_termination}"
-  user_data                   = "${data.template_file.user_data.rendered}"
+  user_data                   = "${local.user_data}"
   iam_instance_profile        = "${aws_iam_instance_profile.default.name}"
   associate_public_ip_address = "${var.associate_public_ip_address}"
   key_name                    = "${var.ssh_key_pair}"
@@ -134,7 +135,7 @@ resource "null_resource" "eip" {
   count = "${var.associate_public_ip_address && var.instance_enabled ? 1 : 0}"
 
   triggers {
-    public_dns = "ec2-${replace(aws_eip.default.public_ip, ".", "-")}.${local.region == "us-east-1" ? "compute-1" : "${local.region}.compute"}.amazonaws.com"
+    public_dns = "ec2-${replace(aws_eip.default.public_ip, ".", "-")}.${local.region == "us-east-1" ? "compute-1" : ${local.region}.compute}.amazonaws.com"
   }
 }
 

outputs.tf

@@ -43,11 +43,16 @@ output "alarm" {
   value       = "${join("", aws_cloudwatch_metric_alarm.default.*.id)}"
 }
 
-output "additional_eni_ids" {
-  description = "Map of ENI with EIP"
+output "additional_eni_public" {
+  description = "Map IDs of ENI with public IPs"
   value       = "${zipmap(aws_network_interface.additional.*.id, aws_eip.additional.*.public_ip)}"
 }
 
+output "additional_eni_private" {
+  description = "Map IDs of ENI with private IPs"
+  value       = "${zipmap(aws_network_interface.additional.*.id, aws_eip.additional.*.private_ip)}"
+}
+
 output "ebs_ids" {
   description = "ID of EBSs"
   value       = "${aws_ebs_volume.default.*.id}"

user_data.tf

@@ -1,4 +1,5 @@
 data "template_file" "user_data" {
+  count    = "${local.instance_count && length(var.custom_user_data) == 0 ? 1 : 0}"
   template = "${file("${path.module}/user-data/user_data.sh")}"
 
   vars {

variables.tf

@@ -110,6 +110,12 @@ variable "user_data" {
   default     = []
 }
 
+variable "custom_user_data" {
+  description = "User data to provide when launching the instance"
+  type        = "list"
+  default     = []
+}
+
 variable "private_ip" {
   description = "Private IP address to associate with the instance in a VPC"
   default     = ""