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- // +build !linux
- /*
- Copyright 2017 The Kubernetes Authors.
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
- http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- */
- package nsenter
- import (
- "context"
- "fmt"
- "k8s.io/utils/exec"
- )
- const (
- // DefaultHostRootFsPath is path to host's filesystem mounted into container
- // with kubelet.
- DefaultHostRootFsPath = "/rootfs"
- )
- // Nsenter is a type alias for backward compatibility
- type Nsenter = NSEnter
- // NSEnter is part of experimental support for running the kubelet
- // in a container.
- type NSEnter struct {
- // a map of commands to their paths on the host filesystem
- Paths map[string]string
- }
- // NewNsenter constructs a new instance of NSEnter
- func NewNsenter(hostRootFsPath string, executor exec.Interface) (*Nsenter, error) {
- return &Nsenter{}, nil
- }
- // Exec executes nsenter commands in hostProcMountNsPath mount namespace
- func (ne *NSEnter) Exec(cmd string, args []string) exec.Cmd {
- return nil
- }
- // AbsHostPath returns the absolute runnable path for a specified command
- func (ne *NSEnter) AbsHostPath(command string) string {
- return ""
- }
- // SupportsSystemd checks whether command systemd-run exists
- func (ne *NSEnter) SupportsSystemd() (string, bool) {
- return "", false
- }
- // Command returns a command wrapped with nenter
- func (ne *NSEnter) Command(cmd string, args ...string) exec.Cmd {
- return nil
- }
- // CommandContext returns a CommandContext wrapped with nsenter
- func (ne *NSEnter) CommandContext(ctx context.Context, cmd string, args ...string) exec.Cmd {
- return nil
- }
- // LookPath returns a LookPath wrapped with nsenter
- func (ne *NSEnter) LookPath(file string) (string, error) {
- return "", fmt.Errorf("not implemented, error looking up : %s", file)
- }
- var _ exec.Interface = &NSEnter{}
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