chore(e2e): Increase worker instance size (#5251)

* chore(e2e): Update to use t2.small instances

Using the updated AWS SDK required more memory and was causing workers to crash.

* chore(e2e): Add identifier to aws instance

enos/modules/aws_boundary/variables.tf

@@ -25,7 +25,7 @@ variable "worker_count" {
 variable "worker_instance_type" {
   description = "EC2 Instance type"
   type        = string
-  default     = "t2.micro"
+  default     = "t2.small"
 }
 
 variable "worker_type_tags" {
@@ -72,7 +72,7 @@ variable "controller_count" {
 variable "controller_instance_type" {
   description = "EC2 Instance type"
   type        = string
-  default     = "t2.micro"
+  default     = "t2.small"
 }
 
 variable "controller_ebs_iops" {

enos/modules/aws_worker/main.tf

@@ -10,6 +10,7 @@ terraform {
 }
 
 data "enos_environment" "current" {}
+data "aws_caller_identity" "current" {}
 
 locals {
   selected_az = data.aws_availability_zones.available.names[random_integer.az.result]
@@ -144,7 +145,7 @@ resource "aws_instance" "worker" {
   tags = merge(
     local.common_tags,
     {
-      Name = "${var.name_prefix}-boundary-worker",
+      Name = "${var.name_prefix}-boundary-worker-${split(":", data.aws_caller_identity.current.user_id)[1]}",
     },
   )
 }

enos/modules/aws_worker/variables.tf

@@ -31,7 +31,7 @@ variable "ubuntu_ami_id" {
 variable "worker_instance_type" {
   description = "The EC2 Instance type to be used for the worker's node"
   type        = string
-  default     = "t2.micro"
+  default     = "t2.small"
 }
 
 variable "ssh_aws_keypair" {