45 lines
809 B
Go
45 lines
809 B
Go
package main
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import (
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"github.com/docker/libcontainer/system"
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"log"
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"os"
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"github.com/codegangsta/cli"
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"github.com/docker/libcontainer"
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)
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var (
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initCommand = cli.Command{
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Name: "init",
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Usage: "runs the init process inside the namespace",
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Action: initAction,
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Flags: []cli.Flag{
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cli.IntFlag{"fd", 0, "internal pipe fd"},
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},
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}
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)
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func initAction(context *cli.Context) {
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factory, err := libcontainer.New("", []string{})
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if err != nil {
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log.Fatal(err)
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}
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if context.Int("fd") == 0 {
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log.Fatal("--fd must be specified for init process")
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}
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fd := uintptr(context.Int("fd"))
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if err := factory.StartInitialization(fd); err != nil {
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log.Fatal(err)
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}
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args := []string(context.Args())
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if err := system.Execv(args[0], args[0:], os.Environ()); err != nil {
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log.Fatal(err)
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}
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}
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