Imports github.com/gorilla/websocket k8s.io/api/core/v1 k8s.io/client-go/kubernetes k8s.io/client-go/kubernetes/scheme k8s.io/client-go/rest k8s.io/client-go/tools/clientcmd k8s.io/client-go/tools/remotecommand Standard library imports encoding/json flag fmt log net/http os path/filepath