Imports github.com/golang/glog k8s.io/kubernetes/pkg/api k8s.io/kubernetes/pkg/api/unversioned k8s.io/kubernetes/pkg/util/httpstream k8s.io/kubernetes/third_party/golang/netutil k8s.io/kubernetes/pkg/api/errors github.com/docker/spdystream k8s.io/kubernetes/pkg/util/runtime Standard library imports bufio crypto/tls encoding/base64 fmt io/ioutil net net/http net/url strings sync time net/http/httputil