karpenter-provider-aws/examples/v1/instance-store-ephemeral-storage.yaml at main · aws/karpenter-provider-aws · GitHub

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# This example NodePool will provision AL2 instances with
# local NVMe instance-store disks used for node ephemeral storage.
---
apiVersion: karpenter.sh/v1
kind: NodePool
metadata:
  name: default
  annotations:
    kubernetes.io/description: "General purpose NodePool for generic workloads"
spec:
  template:
    spec:
      requirements:
        - key: kubernetes.io/arch
          operator: In
          values: ["amd64"]
        - key: kubernetes.io/os
          operator: In
          values: ["linux"]
        - key: karpenter.sh/capacity-type
          operator: In
          values: ["on-demand"]
        - key: karpenter.k8s.aws/instance-category
          operator: In
          values: ["c", "m", "r"]
        - key: karpenter.k8s.aws/instance-generation
          operator: Gt
          values: ["2"]
        - key: karpenter.k8s.aws/instance-local-nvme
          operator: Gt
          values: ["300"]
      nodeClassRef:
        group: karpenter.k8s.aws
        kind: EC2NodeClass
        name: instance-store-ephemeral-storage
---
apiVersion: karpenter.k8s.aws/v1
kind: EC2NodeClass
metadata:
  name: instance-store-ephemeral-storage
  annotations:
    kubernetes.io/description: "EC2NodeClass to provision nodes with instance-store ephemeral storage"
spec:
  instanceStorePolicy: "RAID0"
  role: "KarpenterNodeRole-${CLUSTER_NAME}" # replace with your cluster name
  subnetSelectorTerms:
    - tags:
        karpenter.sh/discovery: "${CLUSTER_NAME}" # replace with your cluster name
  securityGroupSelectorTerms:
    - tags:
        karpenter.sh/discovery: "${CLUSTER_NAME}" # replace with your cluster name
  amiSelectorTerms:
    - alias: al2023@latest  # Amazon Linux 2023