Change AWS worker modules' default type from t2.small to t3.small

* Worker instance types weren't updated in #365

CHANGES.md

@@ -14,7 +14,7 @@ Notable changes between versions.
 
 #### AWS
 
-* Change `controller_type` and `worker_type` default from t2.small to t3.small
+* Change `controller_type` and `worker_type` default from t2.small to t3.small ([#365](https://github.com/poseidon/typhoon/pull/365))
   * t3.small is cheaper, provides 2 vCPU (instead of 1), and 5 Gbps of pod-to-pod bandwidth!
 
 #### Bare-Metal

aws/container-linux/kubernetes/workers/variables.tf

@@ -30,7 +30,7 @@ variable "count" {
 
 variable "instance_type" {
   type        = "string"
-  default     = "t2.small"
+  default     = "t3.small"
   description = "EC2 instance type"
 }
 

aws/fedora-atomic/kubernetes/workers/variables.tf

@@ -30,7 +30,7 @@ variable "count" {
 
 variable "instance_type" {
   type        = "string"
-  default     = "t2.small"
+  default     = "t3.small"
   description = "EC2 instance type"
 }
 

docs/advanced/worker-pools.md

@@ -67,7 +67,7 @@ The AWS internal `workers` module supports a number of [variables](https://githu
 | Name | Description | Default | Example |
 |:-----|:------------|:--------|:--------|
 | count | Number of instances | 1 | 3 |
-| instance_type | EC2 instance type | "t2.small" | "t2.medium" |
+| instance_type | EC2 instance type | "t3.small" | "t3.medium" |
 | os_image | AMI channel for a Container Linux derivative | coreos-stable | coreos-stable, coreos-beta, coreos-alpha, flatcar-stable, flatcar-beta, flatcar-alpha |
 | disk_size | Size of the disk in GB | 40 | 100 |
 | spot_price | Spot price in USD for workers. Leave as default empty string for regular on-demand instances | "" | "0.10" |