0.背景&参考
link : https://github.com/guangtouwangba/blog-example/tree/master/k8s-operator
https://juejin.cn/post/7192525316890296380
https://book.kubebuilder.io/quick-start
1.download
sudo curl -L -o kubebuilder https://go.kubebuilder.io/dl/latest/$(go env GOOS)/$(go env GOARCH) && sudo chmod +x kubebuilder && su