Merge pull request #1232 from alphagov/dj-maisy/arm-node-taint

Add Taint restriction to ARM Nodes
alphagov · Apr 10, 2024 · a62a517 · a62a517
2 parents 5866d56 + 4bd6602
commit a62a517
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/terraform/deployments/cluster-infrastructure/main.tf b/terraform/deployments/cluster-infrastructure/main.tf
@@ -70,6 +70,13 @@ locals {
       instance_types        = var.arm_workers_instance_types
       update_config         = { max_unavailable = 1 }
       block_device_mappings = local.main_managed_node_group.main.block_device_mappings
+
+      taint = {
+        key    = "kubernetes.io/arch"
+        value  = "arm64"
+        effect = "NO_SCHEDULE"
+      }
+
       additional_tags = {
         "k8s.io/cluster-autoscaler/enabled"             = "true"
         "k8s.io/cluster-autoscaler/${var.cluster_name}" = "owned"