chore: run Aspect Workflows setup step on small instances

.aspect/workflows/config.yaml

@@ -1,44 +1,19 @@
 ---
-queue: bazel-lib
+queue: bazel-lib-small
 env:
   CC: /bin/false
 workspaces:
-  - .
-  - e2e/smoke:
-      tasks:
-        format:
-          without: true
-        gazelle:
-          without: true
-        buildifier:
-          without: true
-  - e2e/coreutils:
-      tasks:
-        format:
-          without: true
-        gazelle:
-          without: true
-        buildifier:
-          without: true
-  - e2e/copy_to_directory:
-      tasks:
-        format:
-          without: true
-        gazelle:
-          without: true
-        buildifier:
-          without: true
-  - e2e/external_copy_to_directory:
-      tasks:
-        format:
-          without: true
-        gazelle:
-          without: true
-        buildifier:
-          without: true
+  - .:
+    tasks:
+      format:
+        soft_fail: false
+      gazelle:
+      buildifier:
+      test:
+        queue: bazel-lib
+  - e2e/smoke
+  - e2e/coreutils
+  - e2e/copy_to_directory
+  - e2e/external_copy_to_directory
 tasks:
-  format:
-    soft_fail: false
-  gazelle:
-  buildifier:
   test:

.aspect/workflows/terraform/workflows.tf

@@ -55,6 +55,14 @@ module "aspect_workflows" {
       image_id        = data.google_compute_image.runner_image.id
       use_preemptible = true
     }
+    small = {
+      # Aspect Workflows requires machine types that have local SSD drives. See
+      # https://cloud.google.com/compute/docs/machine-resource#machine_type_comparison for full list
+      # of machine types availble on GCP.
+      machine_type    = "n1-standard-1"
+      image_id        = data.google_compute_image.runner_image.id
+      use_preemptible = true
+    }
   }
 
   # CircleCI runner group definitions
@@ -66,10 +74,18 @@ module "aspect_workflows" {
       max_runners               = 10
       min_runners               = 0
       resource_type             = "default"
-      scale_out_factor          = 7
       scaling_polling_frequency = 3 # check for queued jobs every 20s
       warming                   = true
     }
+    small = {
+      agent_idle_timeout_min    = 1
+      job_max_run_time_min      = 5 * 60
+      max_runners               = 10
+      min_runners               = 0
+      resource_type             = "small"
+      scaling_polling_frequency = 3     # check for queued jobs every 20s
+      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.
     warming = {

.circleci/config.yml

@@ -41,6 +41,6 @@ workflows:
     jobs:
       - legacy
       - aspect-workflows/setup:
-          resource_class: aspect-build/bazel-lib
+          resource_class: aspect-build/bazel-lib-small
           context:
             - slack