| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| k8s.io/api/core/v1 | Package v1 is the v1 version of the core API. |
| k8s.io/apimachinery/pkg/util/intstr | |
| k8s.io/apimachinery/pkg/util/sets | Package sets has generic set and specified sets. |
| k8s.io/apimachinery/pkg/util/version | Package version provides utilities for version number comparisons |
| k8s.io/klog | Package klog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup. |
| k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm | Package kubeadm is the package that contains the libraries that drive the kubeadm binary. |
| k8s.io/kubernetes/cmd/kubeadm/app/constants | |
| k8s.io/kubernetes/cmd/kubeadm/app/images | |
| k8s.io/kubernetes/cmd/kubeadm/app/phases/certs | |
| k8s.io/kubernetes/cmd/kubeadm/app/util | Package util contains kubeadm utilities. |
| k8s.io/kubernetes/cmd/kubeadm/app/util/staticpod | |
| k8s.io/kubernetes/pkg/kubeapiserver/authorizer/modes | |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |