feature: vpa for pod-deletion-cost-controller

Signed-off-by: Sandor Szücs <[email protected]>

Author: szuecs

cluster/config-defaults.yaml

@@ -218,6 +218,9 @@ skipper_routesrv_log_level: "INFO"
 # skipper-ingress component pod-deletion-cost-controller
 skipper_pod_deletion_cost_controller_memory: 200Mi
 skipper_pod_deletion_cost_controller_cpu: 50m
+# vpa min values
+skipper_pod_deletion_cost_controller_memory_min: 128Mi
+skipper_pod_deletion_cost_controller_cpu_min: 25m
 # klog style -v=0
 skipper_pod_deletion_cost_controller_log_v: "0"
 
@@ -1102,4 +1105,3 @@ sysctl_settings: ""
 
 # enables/disables the minDomains field for pod topology spread.
 min_domains_in_pod_topology_spread_enabled: "true"
-

cluster/manifests/skipper/pod-deletion-cost-controller-vpa.yaml

@@ -0,0 +1,21 @@
+apiVersion: autoscaling.k8s.io/v1
+kind: VerticalPodAutoscaler
+metadata:
+  name: pod-deletion-cost-controller-vpa
+  namespace: kube-system
+  labels:
+    application: skipper-ingress
+    component: pod-deletion-cost-controller
+spec:
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: pod-deletion-cost-controller
+  updatePolicy:
+    updateMode: Auto
+  resourcePolicy:
+    containerPolicies:
+    - containerName: pod-deletion-cost-controller
+      minAllowed:
+        memory: "{{ .Cluster.ConfigItems.skipper_pod_deletion_cost_controller_memory_min }}"
+        cpu: "{{ .Cluster.ConfigItems.skipper_pod_deletion_cost_controller_cpu_min }}"