chore: switch to smaller 'small' instances without nvme drives (#700)

.aspect/workflows/terraform/workflows.tf

@@ -48,22 +48,38 @@ module "aspect_workflows" {
  default = {}
  }
 
- # Resource types for use by runner groups
+ # Resource types for use by runner groups. Aspect recommends machines types that have SSD drives
+ # for large Bazel workflows. See
+ # https://cloud.google.com/compute/docs/machine-resource#machine_type_comparison for list of
+ # machine types availble on GCP.
  resource_types = {
  default = {
- # 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-4"
- image_id = data.google_compute_image.runner_image.id
+ machine_type = "n1-standard-4"
+ image_id = data.google_compute_image.runner_image.id
+ # While preemtible instances are possible to provision and we use them here on this open source
+ # repository as a demonstration of how to reduce compute costs, they are not recommended for
+ # repositories where the occasional CI failures due to a machine being preemted mid-job are not
+ # acceptable.
  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
+ machine_type = "e2-small"
+ num_ssds = 0
+ image_id = data.google_compute_image.runner_image.id
+ # While preemtible instances are possible to provision and we use them here on this open source
+ # repository as a demonstration of how to reduce compute costs, they are not recommended for
+ # repositories where the occasional CI failures due to a machine being preemted mid-job are not
+ # acceptable.
+ use_preemptible = true
+ }
+ micro = {
+ machine_type = "e2-micro"
+ num_ssds = 0
+ image_id = data.google_compute_image.runner_image.id
+ # While preemtible instances are possible to provision and we use them here on this open source
+ # repository as a demonstration of how to reduce compute costs, they are not recommended for
+ # repositories where the occasional CI failures due to a machine being preemted mid-job are not
+ # acceptable.
  use_preemptible = true
  }
  }
@@ -80,13 +96,21 @@ module "aspect_workflows" {
  warming = true
  }
  small = {
- agent_idle_timeout_min = 1
+ agent_idle_timeout_min = 10
  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
  }
+ micro = {
+ agent_idle_timeout_min = 60 * 12
+ max_runners = 10
+ min_runners = 0
+ resource_type = "micro"
+ 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-small
+ resource_class: aspect-build/bazel-lib-nano
  context:
  - slack