chore: use ARM instances for small runner group

.aspect/workflows/config.yaml

@@ -2,7 +2,7 @@
 ---
 tasks:
     - format:
-          queue: aspect-small
+          queue: aspect-small-amd64
     - buildifier:
-          queue: aspect-small
+          queue: aspect-small-arm64
     - test:

.aspect/workflows/terraform/main.tf

@@ -10,7 +10,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws",
-      version = "~> 4.58.0"
+      version = "~> 5.30.0"
     }
   }
 }

.aspect/workflows/terraform/workflows.tf

@@ -10,7 +10,7 @@ provider "aws" {
   }
 }
 
-data "aws_ami" "runner_ami" {
+data "aws_ami" "runner_amd64_ami" {
   # Aspect's AWS account 213396452403 provides public Aspect Workflows images for getting started
   # during the trial period. We recommend that all Workflows users build their own AMIs and keep
   # up-to date with patches. See https://docs.aspect.build/v/workflows/install/packer for more info
@@ -24,6 +24,20 @@ data "aws_ami" "runner_ami" {
   }
 }
 
+data "aws_ami" "runner_arm64_ami" {
+  # Aspect's AWS account 213396452403 provides public Aspect Workflows images for getting started
+  # during the trial period. We recommend that all Workflows users build their own AMIs and keep
+  # up-to date with patches. See https://docs.aspect.build/v/workflows/install/packer for more info
+  # and/or https://github.com/aspect-build/workflows-images for example packer scripts and BUILD
+  # targets for building AMIs for Workflows.
+  owners      = ["213396452403"]
+  most_recent = true
+  filter {
+    name   = "name"
+    values = ["aspect-workflows-al2023-gcc-arm64-*"]
+  }
+}
+
 module "aspect_workflows" {
   providers = {
     aws = aws.workflows
@@ -73,14 +87,19 @@ module "aspect_workflows" {
       # Aspect Workflows requires instance types that have nvme drives. See
       # https://aws.amazon.com/ec2/instance-types/ for full list of instance types available on AWS.
       instance_types = ["c5ad.xlarge"]
-      image_id       = data.aws_ami.runner_ami.id
+      image_id       = data.aws_ami.runner_amd64_ami.id
     }
-    "small" = {
+    "small-amd64" = {
       # Aspect Workflows requires instance types that have nvme drives. See
       # https://aws.amazon.com/ec2/instance-types/ for full list of instance types available on AWS.
-      # TODO: switch to Graviton processor when 5.9.0-beta.3 or rc.0 is out
       instance_types = ["c5ad.large"]
-      image_id       = data.aws_ami.runner_ami.id
+      image_id       = data.aws_ami.runner_amd64_ami.id
+    }
+    "small-arm64" = {
+      # Aspect Workflows requires instance types that have nvme drives. See
+      # https://aws.amazon.com/ec2/instance-types/ for full list of instance types available on AWS.
+      instance_types = ["m6gd.medium"]
+      image_id       = data.aws_ami.runner_arm64_ami.id
     }
   }
 
@@ -101,7 +120,7 @@ module "aspect_workflows" {
       scaling_polling_frequency = 1 # check for queued jobs every 60s
       warming                   = true
     }
-    small = {
+    small-amd64 = {
       agent_idle_timeout_min = 1
       gh_repo                = "aspect-build/rules_ts"
       # Determine the workflow ID with:
@@ -110,10 +129,24 @@ module "aspect_workflows" {
       gha_workflow_ids          = ["66360195"] # Aspect Workflows
       max_runners               = 5
       min_runners               = 0
-      queue                     = "aspect-small"
-      resource_type             = "small"
-      scaling_polling_frequency = 1 # check for queued jobs every 60s
-      warming                   = false
+      queue                     = "aspect-small-amd64"
+      resource_type             = "small-amd64"
+      scaling_polling_frequency = 1     # check for queued jobs every 60s
+      warming                   = false # don't warm for faster bootstrap; these runners won't be running large builds
+    }
+    small-arm64 = {
+      agent_idle_timeout_min = 1
+      gh_repo                = "aspect-build/rules_ts"
+      # Determine the workflow ID with:
+      # gh api -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" /repos/aspect-build/rules_ts/actions/workflows
+      # https://docs.github.com/en/rest/actions/workflows?apiVersion=2022-11-28#list-repository-workflows
+      gha_workflow_ids          = ["66360195"] # Aspect Workflows
+      max_runners               = 5
+      min_runners               = 0
+      queue                     = "aspect-small-arm64"
+      resource_type             = "small-arm64"
+      scaling_polling_frequency = 1     # check for queued jobs every 60s
+      warming                   = false # don't warm for faster bootstrap; these runners won't be running large builds
     }
     # The warming runner group is used for the periodic warming job that creates
     # warming archives for use by other runner groups.

.github/workflows/aspect-workflows.yaml

@@ -15,4 +15,4 @@ jobs:
         name: Aspect Workflows
         uses: ./.github/workflows/.aspect-workflows-reusable.yaml
         with:
-            queue: aspect-small
+            queue: aspect-small-arm64