Increase the root_block_device GB

Fixes #53

main/main.tf

@@ -19,6 +19,7 @@ module "stack" {
   vpc_cidr           = "${var.vpc_cidr}"
   public_subnet_cidr = "${var.public_subnet_cidr}"
   instance_type      = "${var.instance_type}"
+  root_block_size    = "${var.root_block_size}"
   db_subnet_cidr     = "${var.db_subnet_cidr}"
   dns_zone_name      = "${var.dns_zone_name}"
 

main/variables.tf

@@ -28,6 +28,11 @@ variable "instance_type" {
   default     = "m5.xlarge"
 }
 
+variable "root_block_size" {
+  description = "The EC2 instance root block size in GB"
+  default     = 8
+}
+
 variable "chains" {
   description = "A map of chain names to urls"
 

modules/stack/hosts.tf

@@ -30,6 +30,10 @@ resource "aws_launch_configuration" "explorer" {
 
   user_data = "${file("${path.module}/libexec/init.sh")}"
 
+  root_block_device {
+    volume_size = "${var.root_block_size}"
+  }
+
   lifecycle {
     create_before_destroy = true
   }

modules/stack/variables.tf

@@ -6,6 +6,7 @@ variable "public_subnet_cidr" {}
 variable "db_subnet_cidr" {}
 variable "dns_zone_name" {}
 variable "instance_type" {}
+variable "root_block_size" {}
 
 variable "chains" {
   default = {}