cluster.yaml

clusterName: us-west-2
externalDNSName: k8.svc.production.tld
createRecordSet: true
recordSetTTL: 300
hostedZoneId: ...
keyName: kube-aws
region: us-west-2
kmsKeyArn: ...
controllerCount: 2
controller:
  subnets:
  - name: az-a-subnet
  - name: az-b-subnet
  loadBalancer:
    private: false
etcdCount: 3
etcd:
  subnets:
  - name: az-a-subnet
  - name: az-b-subnet
vpcId: ...
routeTableId: ...
vpcCIDR: "10.0.0.0/16"
subnets:
- name: az-a-subnet
  availabilityZone: us-west-2a
  instanceCIDR: "10.0.11.0/24"
- name: az-b-subnet
  availabilityZone: us-west-2b
  instanceCIDR: "10.0.21.0/24"
worker:
  nodePools:
  - name: az-a-node-pool    
    subnets:
    - name: az-a-subnet
    instanceType: t2.medium
    count: 1
    rootVolumeSize: 100
    rootVolumeType: gp2
    rootVolumeIOPs: 0
    autoScalingGroup:
      minSize: 1
      maxSize: 10
      rollingUpdateMinInstancesInService: 2
    waitSignal:
      enabled: true
  - name: az-b-node-pool    
    subnets:
    - name: az-b-subnet
    instanceType: t2.medium
    count: 1
    rootVolumeSize: 100
    rootVolumeType: gp2
    rootVolumeIOPs: 0
    autoScalingGroup:
      minSize: 1
      maxSize: 10
      rollingUpdateMinInstancesInService: 2
    waitSignal:
      enabled: true
elasticFileSystemId: ...
stackTags:
 Name: "kubernetes"
 Environment: "us-west-2"

output.txt

Error: Error creating cluster: Stack creation failed: CREATE_FAILED : The following resource(s) failed to create: [Controlplane].

Printing the most recent failed stack events:
CREATE_FAILED AWS::CloudFormation::Stack us-west-2 The following resource(s) failed to create: [Controlplane].
CREATE_FAILED AWS::CloudFormation::Stack Controlplane Embedded stack arn:aws:cloudformation:us-west-2:956201456745:stack/us-west-2-Controlplane-5DF45RU8ZG97/82d6db30-fd87-11e6-839c-503f2a2cee4a was not successfully created: The following resource(s) failed to create: [Controllers].