From d0733fb5c9c60ab813433ad6e84370dc14212c9c Mon Sep 17 00:00:00 2001
From: maxim <nikromax@gmail.com>
Date: Thu, 14 Oct 2021 15:38:28 +0600
Subject: [PATCH] improvement: Use priority expander for cluster autoscaler
 configuration to prioritize spot node_pool

---
 .../layer2-k8s/templates/cluster-autoscaler-values.yaml  | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/terraform/layer2-k8s/templates/cluster-autoscaler-values.yaml b/terraform/layer2-k8s/templates/cluster-autoscaler-values.yaml
index c3e86f48..40ba2c48 100644
--- a/terraform/layer2-k8s/templates/cluster-autoscaler-values.yaml
+++ b/terraform/layer2-k8s/templates/cluster-autoscaler-values.yaml
@@ -12,6 +12,15 @@ rbac:
 autoDiscovery:
   clusterName: ${cluster_name}
 
+extraArgs:
+  expander: priority
+
+expanderPriorities: |
+  10:
+    - eks-${cluster_name}-ondemand.*
+  50:
+    - eks-${cluster_name}-spot.*
+
 serviceMonitor:
   enabled: true
   interval: 10s