| 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. |
| io | Package io provides basic interfaces to I/O primitives. |
| k8s.io/apimachinery/pkg/util/sets | Package sets has generic set and specified sets. |
| k8s.io/client-go/kubernetes | Package kubernetes holds packages which implement a clientset for Kubernetes APIs. |
| k8s.io/klog/v2 | Package klog contains the following functionality: |
| 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/apis/kubeadm/scheme | |
| k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta4 | Package v1beta4 defines the v1beta4 version of the kubeadm configuration file format. |
| k8s.io/kubernetes/cmd/kubeadm/app/cmd/options | Package options provide a central point for defining flags for kubeadm cobra commands, no matter if hard coded commands or autogenerated command for phases. |
| k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow | Package workflow implements a workflow manager to be used for implementing composable kubeadm workflows. |
| k8s.io/kubernetes/cmd/kubeadm/app/cmd/util | |
| k8s.io/kubernetes/cmd/kubeadm/app/constants | |
| k8s.io/kubernetes/cmd/kubeadm/app/features | |
| k8s.io/kubernetes/cmd/kubeadm/app/phases/etcd | |
| k8s.io/kubernetes/cmd/kubeadm/app/preflight | |
| k8s.io/kubernetes/cmd/kubeadm/app/util/initsystem | |
| k8s.io/kubernetes/cmd/kubeadm/app/util/runtime | Package runtime provides the kubeadm container runtime implementation. |
| k8s.io/kubernetes/cmd/kubeadm/app/util/staticpod | |
| k8s.io/kubernetes/cmd/kubeadm/app/util/users | |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |