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kubelet: remove the --docker-exec-handler flag

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Stop supporting the "nsenter" exec handler. Only the Docker native exec
handler is supported.

The flag was deprecated in Kubernetes 1.6 and is safe to remove
in Kubernetes 1.9 according to the deprecation policy.
This commit is contained in:
Yu-Ju Hong
2017-09-11 09:47:43 -07:00
parent a7ec5cb650
commit 3837a016ef
7 changed files with 7 additions and 104 deletions
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5
pkg/kubelet/container/runtime.go
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@@ -127,9 +127,8 @@ type Runtime interface {
// DirectStreamingRuntime is the interface implemented by runtimes for which the streaming calls
// (exec/attach/port-forward) should be served directly by the Kubelet.
type DirectStreamingRuntime interface {
// Runs the command in the container of the specified pod using nsenter.
// Attaches the processes stdin, stdout, and stderr. Optionally uses a
// tty.
// Runs the command in the container of the specified pod. Attaches
// the processes stdin, stdout, and stderr. Optionally uses a tty.
ExecInContainer(containerID ContainerID, cmd []string, stdin io.Reader, stdout, stderr io.WriteCloser, tty bool, resize <-chan remotecommand.TerminalSize, timeout time.Duration) error
// Forward the specified port from the specified pod to the stream.
PortForward(pod *Pod, port int32, stream io.ReadWriteCloser) error