nodeclass.yaml

apiVersion: karpenter.k8s.aws/v1beta1
kind: EC2NodeClass
metadata:
  name: test
spec:
  amiFamily: AL2
  detailedMonitoring: false
  metadataOptions:
    httpEndpoint: enabled
    httpProtocolIPv6: disabled
    httpPutResponseHopLimit: 2
    httpTokens: required
  role: ${NODE_ROLE_NAME}
  securityGroupSelectorTerms:
  - tags:
      karpenter.sh/discovery: ${DISCOVER_SG_TAG_VALUE}
  subnetSelectorTerms:
  - tags:
      karpenter.sh/discovery: ${DISCOVER_SUBNET_TAG_VALUE}
  userData: |
    #! /bin/bash
    echo -e "InhibitDelayMaxSec=45\n" >> /etc/systemd/logind.conf
    systemctl restart systemd-logind
    echo "$(jq ".shutdownGracePeriod=\"45s\"" /etc/kubernetes/kubelet/kubelet-config.json)" > /etc/kubernetes/kubelet/kubelet-config.json
    echo "$(jq ".shutdownGracePeriodCriticalPods=\"15s\"" /etc/kubernetes/kubelet/kubelet-config.json)" > /etc/kubernetes/kubelet/kubelet-config.json