update ec2nodeClass

ec2_node_class.yaml.tpl

@@ -4,9 +4,38 @@ kind: EC2NodeClass
 metadata:
   name: ${cluster_name}-karpenter-node-class
 spec:
+  kubelet:
+    podsPerCore: 2
+    maxPods: 20
+    systemReserved:
+        cpu: 100m
+        memory: 100Mi
+        ephemeral-storage: 1Gi
+    kubeReserved:
+        cpu: 200m
+        memory: 100Mi
+        ephemeral-storage: 3Gi
+    evictionHard:
+        memory.available: 5%
+        nodefs.available: 10%
+        nodefs.inodesFree: 10%
+    evictionSoft:
+        memory.available: 500Mi
+        nodefs.available: 15%
+        nodefs.inodesFree: 15%
+    evictionSoftGracePeriod:
+        memory.available: 1m
+        nodefs.available: 1m30s
+        nodefs.inodesFree: 2m
+    evictionMaxPodGracePeriod: 60
+    imageGCHighThresholdPercent: 85
+    imageGCLowThresholdPercent: 80
+    cpuCFSQuota: true
+
   # Required, resolves a default ami and userdata
   amiFamily: ${amd_ami_family}
-
+  amiSelectorTerms:
+    - alias: bottlerocket@latest
   # Required, discovers subnets to attach to instances
   # Each term in the array of subnetSelectorTerms is ORed together
   # Within a single term, all conditions are ANDed