Merge pull request #7951 from yifan-gu/rkt_pty

kubelet/container: Move pty*.go to container runtime package.

pkg/kubelet/container/pty_linux.go

@@ -16,7 +16,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package dockertools
+package container
 
 import (
 	"os"

pkg/kubelet/container/pty_unsupported.go

@@ -16,7 +16,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package dockertools
+package container
 
 import (
 	"os"

pkg/kubelet/dockertools/manager.go

@@ -929,7 +929,7 @@ func (dm *DockerManager) ExecInContainer(containerId string, cmd []string, stdin
 	args = append(args, cmd...)
 	command := exec.Command(nsenter, args...)
 	if tty {
-		p, err := StartPty(command)
+		p, err := kubecontainer.StartPty(command)
 		if err != nil {
 			return err
 		}

pkg/kubelet/rkt/rkt.go

@@ -47,7 +47,6 @@ import (
 	"github.com/docker/docker/pkg/parsers"
 	docker "github.com/fsouza/go-dockerclient"
 	"github.com/golang/glog"
-	"github.com/kr/pty"
 )
 
 const (
@@ -928,8 +927,7 @@ func (r *runtime) ExecInContainer(containerID string, cmd []string, stdin io.Rea
 	command := r.buildCommand(args...)
 
 	if tty {
-		// TODO(yifan): Merge with dockertools.StartPty().
-		p, err := pty.Start(command)
+		p, err := kubecontainer.StartPty(command)
 		if err != nil {
 			return err
 		}