| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| crypto/tls | Package tls partially implements TLS 1.2, as specified in RFC 5246, and TLS 1.3, as specified in RFC 8446. |
| 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. |
| go.etcd.io/etcd/api/v3/etcdserverpb | |
| go.etcd.io/etcd/api/v3/v3rpc/rpctypes | Package rpctypes has types and values shared by the etcd server and client for v3 RPC interaction. |
| go.etcd.io/etcd/client/pkg/v3/transport | |
| go.etcd.io/etcd/client/v3 | Package clientv3 implements the official Go etcd client for v3. |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| k8s.io/api/core/v1 | Package v1 is the v1 version of the core API. |
| k8s.io/apimachinery/pkg/apis/meta/v1 | Package v1 contains API types that are common to all versions. |
| k8s.io/apimachinery/pkg/util/wait | Package wait provides tools for polling or listening for changes to a condition. |
| 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/constants | |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| net/url | Package url parses URLs and implements query escaping. |
| 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. |
| time | Package time provides functionality for measuring and displaying time. |