feat: added variables in the root module to allow passing in pre and post install userdata

Author: jaydenrasmussen

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+- Added the ability to pass in pre and post install scripts to the userdata script for the EC2 instances
 
 ## [0.2.0] - 2020-06-15
 

main.tf

@@ -78,6 +78,9 @@ module "runners" {
   instance_profile_path     = var.instance_profile_path
   role_path                 = var.role_path
   role_permissions_boundary = var.role_permissions_boundary
+
+  userdata_pre_install      = var.userdata_pre_install
+  userdata_post_install     = var.userdata_post_install
 }
 
 module "runner_binaries" {

variables.tf

@@ -155,3 +155,13 @@ variable "kms_key_id" {
   type        = string
   default     = null
 }
+variable "userdata_pre_install" {
+    type    = string
+    default = ""
+    description = "Script to be ran before the GitHub Actions runner is installed on the EC2 instances"
+}
+variable "userdata_post_install" {
+    type    = string
+    default = ""
+    description = "Script to be ran after the GitHub Actions runner is installed on the EC2 instances"
+}