Added user data (#2)

* Added user data

* Added dns redirect tier

* Bind ansible module

Author: goruha

main.tf

@@ -25,14 +25,6 @@ module "label" {
   name      = "${var.name}"
 }
 
-# Apply the tf_github_authorized_keys module for this resource
-module "github_authorized_keys" {
-  source              = "git::https://github.com/cloudposse/tf_github_authorized_keys.git?ref=tags/0.1.0"
-  github_api_token    = "${var.github_api_token}"
-  github_organization = "${var.github_organization}"
-  github_team         = "${var.github_team}"
-}
-
 resource "aws_iam_instance_profile" "default" {
   name = "${module.label.id}"
   role = "${aws_iam_role.default.name}"
@@ -71,11 +63,29 @@ resource "aws_security_group" "default" {
   }
 }
 
+# Apply the tf_github_authorized_keys module for this resource
+module "github_authorized_keys" {
+  source              = "git::https://github.com/cloudposse/tf_github_authorized_keys.git?ref=tags/0.1.0"
+  github_api_token    = "${var.github_api_token}"
+  github_organization = "${var.github_organization}"
+  github_team         = "${var.github_team}"
+}
+
+data "template_file" "user_data" {
+  template = "${file("${path.module}/user_data.sh")}"
+
+  vars {
+    user_data        = "${join("\n", compact(concat(var.user_data, list(module.github_authorized_keys.user_data))))}"
+    welcome_message  = "${var.welcome_message}"
+    ssh_user         = "${var.ssh_user}"
+  }
+}
+
 resource "aws_instance" "default" {
   ami           = "${var.ec2_ami}"
   instance_type = "${var.instance_type}"
 
-  user_data = "${module.github_authorized_keys.user_data}"
+  user_data = "${data.template_file.user_data.rendered}"
 
   vpc_security_group_ids = [
     "${compact(concat(list(aws_security_group.default.id), var.security_groups))}"
@@ -103,7 +113,7 @@ resource "aws_eip" "default" {
 
 # Apply the provisioner module for this resource
 module "ansible" {
-  source    = "git::https://github.com/cloudposse/tf_ansible.git?ref=tags/0.2.0"
+  source    = "git::https://github.com/cloudposse/tf_ansible.git?ref=tags/0.3.0"
   arguments = "${var.ansible_arguments}"
   envs      = ["host=${aws_eip.default.public_ip}"]
   playbook  = "${var.ansible_playbook}"

user_data.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+apt-get update
+apt-get -y install figlet
+
+# Generate system banner
+figlet "${welcome_message}" > /etc/motd
+
+##
+## Setup SSH Config
+##
+cat <<"__EOF__" > /home/${ssh_user}/.ssh/config
+Host *
+    StrictHostKeyChecking no
+__EOF__
+chmod 600 /home/${ssh_user}/.ssh/config
+chown ${ssh_user}:${ssh_user} /home/${ssh_user}/.ssh/config
+
+${user_data}

variables.tf

@@ -6,14 +6,17 @@ variable "github_organization" {}
 
 variable "github_team" {}
 
-variable "ansible_playbook" {}
+variable "ansible_playbook" {
+  default = ""
+}
 
 variable "associate_public_ip_address" {
   default = "true"
 }
 
 variable "ansible_arguments" {
   type = "list"
+  default = []
 }
 
 variable "instance_type" {
@@ -45,3 +48,16 @@ variable "name" {
 variable "ec2_ami" {
   default = "ami-cd0f5cb6"
 }
+
+variable "user_data" {
+  type    = "list"
+  default = []
+}
+
+variable "ssh_user" {
+  default = "ubuntu"
+}
+
+variable "welcome_message" {
+  default = ""
+}