series: xenial
description: A four-machine Kubernetes cluster, appropriate for production. Includes a three-machine etcd cluster and three Kubernetes worker nodes.
services:
  canal:
    annotations:
      gui-x: '450'
      gui-y: '750'
    charm: cs:~containers/canal-30
  easyrsa:
    annotations:
      gui-x: '450'
      gui-y: '550'
    charm: cs:~containers/easyrsa-39
    num_units: 1
    to:
      - lxd:etcd/0
  etcd:
    annotations:
      gui-x: '800'
      gui-y: '550'
    charm: cs:~containers/etcd-77
    constraints: root-disk=8G
    num_units: 1
  kubeapi-load-balancer:
    annotations:
      gui-x: '450'
      gui-y: '250'
    charm: cs:~containers/kubeapi-load-balancer-57
    expose: true
    num_units: 1
    to:
      - lxd:etcd/0
  kubernetes-master:
    annotations:
      gui-x: '800'
      gui-y: '850'
    charm: cs:~containers/kubernetes-master-102
    num_units: 1
    options:
      channel: 1.10/stable
    to:
      - etcd/0
  kubernetes-worker:
    annotations:
      gui-x: '100'
      gui-y: '850'
    charm: cs:~containers/kubernetes-worker-114
    constraints: cores=4 mem=4G root-disk=16G
    expose: true
    num_units: 3
    options:
      channel: 1.10/stable
relations:
- - kubernetes-master:kube-api-endpoint
  - kubeapi-load-balancer:apiserver
- - kubernetes-master:loadbalancer
  - kubeapi-load-balancer:loadbalancer
- - kubernetes-master:kube-control
  - kubernetes-worker:kube-control
- - kubernetes-master:certificates
  - easyrsa:client
- - etcd:certificates
  - easyrsa:client
- - kubernetes-master:etcd
  - etcd:db
- - kubernetes-worker:certificates
  - easyrsa:client
- - kubernetes-worker:kube-api-endpoint
  - kubeapi-load-balancer:website
- - kubeapi-load-balancer:certificates
  - easyrsa:client
- - canal:etcd
  - etcd:db
- - canal:cni
  - kubernetes-master:cni
- - canal:cni
  - kubernetes-worker:cni