| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| k8s.io/client-go/kubernetes | Package kubernetes holds packages which implement a clientset for Kubernetes APIs. |
| k8s.io/client-go/pkg/api/v1 | |
| k8s.io/client-go/tools/clientcmd | Package clientcmd provides one stop shopping for building a working client from a fixed config, from a .kubeconfig file, from command line flags, or from any merged combination. |
| time | Package time provides functionality for measuring and displaying time. |