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