Remove Ubuntu 20.04 runner pools (#38335)

Author: Abacn

.github/gh-actions-self-hosted-runners/arc/environments/beam.env

@@ -34,9 +34,9 @@ subnetwork_cidr_range = "10.119.0.0/20"
 service_account_id = "beam-github-actions@apache-beam-testing.iam.gserviceaccount.com"
 runner_group = "beam"
 main_runner = {
-    name = "main-runner"
-    runner_image = "us-central1-docker.pkg.dev/apache-beam-testing/beam-github-actions/beam-arc-runner:d7cd81a1649bc665581951d2330c4b8acd19ed72"
+    name = "main-runner-2404"
     machine_type = "e2-standard-16"
+    runner_image = "us-central1-docker.pkg.dev/apache-beam-testing/beam-github-actions/beam-arc-runner:latest"
     min_node_count = "1"
     max_node_count = "30"
     min_replicas = "1"
@@ -47,43 +47,9 @@ main_runner = {
         cpu = "2"
         memory = "3Gi"
     }
-    labels = ["self-hosted", "ubuntu-20.04", "main"]
+    labels = ["self-hosted", "ubuntu-24.04", "main"]
 }
 additional_runner_pools = [{
-    name = "small-runner"
-    machine_type = "e2-standard-2"
-    runner_image = "us-central1-docker.pkg.dev/apache-beam-testing/beam-github-actions/beam-arc-runner:d7cd81a1649bc665581951d2330c4b8acd19ed72"
-    min_node_count = "1"
-    max_node_count = "15"
-    min_replicas = "1"
-    max_replicas = "15"
-    webhook_scaling = false
-    requests = {
-        cpu = "1500m"
-        memory = "5Gi"
-    }
-    labels = ["self-hosted", "ubuntu-20.04", "small"]
-    enable_selector = true
-    enable_taint = true
-},
-{
-    name = "highmem-runner"
-    machine_type = "c3-highmem-8"
-    runner_image = "us-central1-docker.pkg.dev/apache-beam-testing/beam-github-actions/beam-arc-runner:d7cd81a1649bc665581951d2330c4b8acd19ed72"
-    min_node_count = "1"
-    max_node_count = "15"
-    min_replicas = "1"
-    max_replicas = "15"
-    webhook_scaling = false
-    requests = {
-        cpu = "7.5"
-        memory = "5Gi"
-    }
-    labels = ["self-hosted", "ubuntu-20.04", "highmem"]
-    enable_selector = true
-    enable_taint = true
-},
-{
     name = "highmem-runner-22"
     machine_type = "c3-highmem-22"
     runner_image = "us-central1-docker.pkg.dev/apache-beam-testing/beam-github-actions/beam-arc-runner:latest"
@@ -100,24 +66,6 @@ additional_runner_pools = [{
     enable_selector = true
     enable_taint = true
 },
-{
-    name = "main-runner-2404"
-    machine_type = "e2-standard-16"
-    runner_image = "us-central1-docker.pkg.dev/apache-beam-testing/beam-github-actions/beam-arc-runner:latest"
-    min_node_count = "1"
-    max_node_count = "30"
-    min_replicas = "1"
-    max_replicas = "240"
-    webhook_scaling = false
-    disk_size_gb = 200
-    requests = {
-        cpu = "2"
-        memory = "3Gi"
-    }
-    labels = ["self-hosted", "ubuntu-24.04", "main"]
-    enable_selector = true
-    enable_taint = true
-},
 {
     name = "small-runner-2404"
     machine_type = "e2-standard-2"

.github/gh-actions-self-hosted-runners/arc/variables.tf

@@ -90,8 +90,8 @@ variable "main_runner" {
       max_replicas = optional(number, 1)
       disk_size_gb = optional(number, 100)
       webhook_scaling = optional(bool, false)
-      runner_image = optional(string, "summerwind/actions-runner:v2.304.0-ubuntu-20.04-30355f7")
-      labels = optional(list(string), ["self-hosted", "ubuntu-20.04","main"])
+      runner_image = optional(string, "summerwind/actions-runner:v2.334.0-ubuntu-24.04-012f1a5")
+      labels = optional(list(string), ["self-hosted", "ubuntu-24.04","main"])
       enable_selector = optional(bool, false)
       enable_taint = optional(bool, false)
       requests = optional(object({
@@ -119,8 +119,8 @@ variable "additional_runner_pools" {
       max_replicas = optional(number, 1)
       disk_size_gb = optional(number, 100)
       webhook_scaling = optional(bool, false)
-      runner_image = optional(string, "summerwind/actions-runner:v2.304.0-ubuntu-20.04-30355f7")
-      labels = optional(list(string), ["self-hosted", "ubuntu-20.04","changeme"])
+      runner_image = optional(string, "summerwind/actions-runner:v2.334.0-ubuntu-24.04-012f1a5")
+      labels = optional(list(string), ["self-hosted", "ubuntu-24.04","changeme"])
       enable_selector = optional(bool, true)
       enable_taint = optional(bool, true)
       requests = optional(object({