karpenter-provider-aws/examples/v1/bottlerocket.yaml at main · aws/karpenter-provider-aws · GitHub

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# This example NodePool will provision instances
# running Bottlerocket OS
---
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"]
      nodeClassRef:
        group: karpenter.k8s.aws
        kind: EC2NodeClass
        name: bottlerocket
---
apiVersion: karpenter.k8s.aws/v1
kind: EC2NodeClass
metadata:
  name: bottlerocket
  annotations:
    kubernetes.io/description: "EC2NodeClass for running Bottlerocket nodes"
spec:
  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: bottlerocket@latest # Bottlerocket
  blockDeviceMappings:
    - deviceName: /dev/xvda
      ebs:
        volumeType: gp3
        volumeSize: 4Gi
        deleteOnTermination: true
    # Bottlerocket data volume
    - deviceName: /dev/xvdb
      ebs:
        volumeType: gp3
        volumeSize: 20Gi # replace with your required disk size
        deleteOnTermination: true