kops autoscaling demo: cluster configuration

kops-autoscaling-demo-cluster-config.yaml

---
apiVersion: kops/v1alpha2
kind: Cluster
metadata:
  name: autoscaling-experiment.k8s.local
spec:
  api:
    loadBalancer:
      type: Public
  authorization:
    rbac: {}
  channel: stable
  cloudProvider: aws
  etcdClusters:
  - etcdMembers:
    - instanceGroup: master
      name: a
    name: main
  - etcdMembers:
    - instanceGroup: master
      name: a
    name: events
  iam:
    allowContainerRegistry: true
    legacy: false
  kubelet:
    anonymousAuth: false
    authenticationTokenWebhook: true
    authorizationMode: Webhook
  kubernetesApiAccess:
  - 0.0.0.0/0
  kubernetesVersion: 1.12.7
  networkCIDR: 172.20.0.0/16
  networking:
    kubenet: {}
  nonMasqueradeCIDR: 100.64.0.0/10
  sshAccess:
  - 0.0.0.0/0
  subnets:
  - cidr: 172.20.32.0/19
    name: us-east-1a
    type: Public
    zone: us-east-1a
  topology:
    dns:
      type: Public
    masters: public
    nodes: public
    
---
apiVersion: kops/v1alpha2
kind: InstanceGroup
metadata:
  name: master
  labels:
    kops.k8s.io/cluster: autoscaling-experiment.k8s.local
spec:
  machineType: t2.medium
  minSize: 1
  maxSize: 1
  role: Master
  subnets:
  - us-east-1a


---
apiVersion: kops/v1alpha2
kind: InstanceGroup
metadata:
  name: workers
  labels:
    kops.k8s.io/cluster: autoscaling-experiment.k8s.local
spec:
  machineType: t2.small
  minSize: 1
  maxSize: 5
  role: Node
  nodeLabels:
    node-pool: workers