46 lines
891 B
Go
46 lines
891 B
Go
package libnetwork
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import (
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"fmt"
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"os"
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"os/exec"
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dre "github.com/docker/docker/pkg/reexec"
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)
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type reexecCommand int
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const (
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cmdReexecCreateNamespace reexecCommand = iota
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cmdReexecMoveInterface
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)
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var reexecCommands = map[reexecCommand]struct {
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Key string
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Entrypoint func()
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}{
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cmdReexecCreateNamespace: {"netns-create", reexecCreateNamespace},
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cmdReexecMoveInterface: {"netns-moveif", reexecMoveInterface},
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}
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func init() {
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for _, reexecCmd := range reexecCommands {
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dre.Register(reexecCmd.Key, reexecCmd.Entrypoint)
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}
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}
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func reexec(command reexecCommand, params ...string) error {
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reexecCommand, ok := reexecCommands[command]
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if !ok {
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return fmt.Errorf("unknown reexec command %q", command)
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}
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cmd := &exec.Cmd{
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Path: dre.Self(),
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Args: append([]string{reexecCommand.Key}, params...),
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Stdout: os.Stdout,
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Stderr: os.Stderr,
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}
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return cmd.Run()
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}
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