minikube start --profile=asia
minikube start --profile=europe

kubefed init lcloud
    --host-cluster-context=asia
    --dns-provider="coredns"
    --dns-zone-name="example.com."
    --dns-provider-config="/abs/path/to/coredns-provider.conf"
    --api-server-service-type=NodePort
    --apiserver-enable-basic-auth=true
    --apiserver-enable-token-auth=true
kubefed join asia
kubefed join europe

curl -i http://nginx.default.lcloud

curl: (6) Could not resolve host: nginx.default.lcloud

job:~$ cat coredns-provider.conf
[Global]
etcd-endpoints = http://etcd-cluster.default:2379
zones = example.com.
coredns-endpoints = 10.0.0.11:53

job:~$ kubectl version
Client Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.2", GitCommit:"922a86cfcd65915a9b2f69f3f193b8907d741d9c", GitTreeState:"clean", BuildDate:"2017-07-21T08:23:22Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-07-26T00:12:31Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}

job:~$ minikube version
minikube version: v0.21.0