machinepool.yml

apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3
kind: KubeadmConfig
metadata:
  name: machinepool
  namespace: default
spec:
  joinConfiguration:
    nodeRegistration:
      kubeletExtraArgs:
        cloud-provider: aws
      name: '{{ ds.meta_data.local_hostname }}'
---
apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
kind: AWSMachinePool
metadata:
  name: bmo
  namespace: default
spec:
  minSize: 1
  maxSize: 5
  availabilityZones:
  - us-east-2a
  - us-east-2b
  - us-east-2c
  subnets:
  - subnet-035cec88e1df9c20a
  - subnet-0c09bc33e7e9b0343
  - subnet-02260318a09ab6f47
  awsLaunchTemplate:
    instanceType: "t2.medium"
    sshKeyName: "default"
    iamInstanceProfile: "nodes.cluster-api-provider-aws.sigs.k8s.io"
    rootVolume:
      size: 11
---
apiVersion: exp.cluster.x-k8s.io/v1alpha3
kind: MachinePool
metadata:
  name: bmo
  namespace: default
spec:
  clusterName: bmo
  replicas: 1
  template:
    spec:
      clusterName: bmo
      bootstrap:
        configRef:
          apiVersion: bootstrap.cluster.x-k8s.io/v1alpha3
          kind: KubeadmConfig
          name: machinepool
      infrastructureRef:
        apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
        kind: AWSMachinePool
        name: bmo
      version: v1.17.3