update vendor

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

vendor/github.com/opencontainers/runc/restore.go

@@ -0,0 +1,138 @@
+// +build linux
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/opencontainers/runc/libcontainer"
+	"github.com/urfave/cli"
+)
+
+var restoreCommand = cli.Command{
+	Name:  "restore",
+	Usage: "restore a container from a previous checkpoint",
+	ArgsUsage: `<container-id>
+
+Where "<container-id>" is the name for the instance of the container to be
+restored.`,
+	Description: `Restores the saved state of the container instance that was previously saved
+using the runc checkpoint command.`,
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "console-socket",
+			Value: "",
+			Usage: "path to an AF_UNIX socket which will receive a file descriptor referencing the master end of the console's pseudoterminal",
+		},
+		cli.StringFlag{
+			Name:  "image-path",
+			Value: "",
+			Usage: "path to criu image files for restoring",
+		},
+		cli.StringFlag{
+			Name:  "work-path",
+			Value: "",
+			Usage: "path for saving work files and logs",
+		},
+		cli.BoolFlag{
+			Name:  "tcp-established",
+			Usage: "allow open tcp connections",
+		},
+		cli.BoolFlag{
+			Name:  "ext-unix-sk",
+			Usage: "allow external unix sockets",
+		},
+		cli.BoolFlag{
+			Name:  "shell-job",
+			Usage: "allow shell jobs",
+		},
+		cli.BoolFlag{
+			Name:  "file-locks",
+			Usage: "handle file locks, for safety",
+		},
+		cli.StringFlag{
+			Name:  "manage-cgroups-mode",
+			Value: "",
+			Usage: "cgroups mode: 'soft' (default), 'full' and 'strict'",
+		},
+		cli.StringFlag{
+			Name:  "bundle, b",
+			Value: "",
+			Usage: "path to the root of the bundle directory",
+		},
+		cli.BoolFlag{
+			Name:  "detach,d",
+			Usage: "detach from the container's process",
+		},
+		cli.StringFlag{
+			Name:  "pid-file",
+			Value: "",
+			Usage: "specify the file to write the process id to",
+		},
+		cli.BoolFlag{
+			Name:  "no-subreaper",
+			Usage: "disable the use of the subreaper used to reap reparented processes",
+		},
+		cli.BoolFlag{
+			Name:  "no-pivot",
+			Usage: "do not use pivot root to jail process inside rootfs.  This should be used whenever the rootfs is on top of a ramdisk",
+		},
+		cli.StringSliceFlag{
+			Name:  "empty-ns",
+			Usage: "create a namespace, but don't restore its properties",
+		},
+		cli.BoolFlag{
+			Name:  "auto-dedup",
+			Usage: "enable auto deduplication of memory images",
+		},
+		cli.BoolFlag{
+			Name:  "lazy-pages",
+			Usage: "use userfaultfd to lazily restore memory pages",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		if err := checkArgs(context, 1, exactArgs); err != nil {
+			return err
+		}
+		// XXX: Currently this is untested with rootless containers.
+		if isRootless() {
+			return fmt.Errorf("runc restore requires root")
+		}
+
+		spec, err := setupSpec(context)
+		if err != nil {
+			return err
+		}
+		options := criuOptions(context)
+		status, err := startContainer(context, spec, CT_ACT_RESTORE, options)
+		if err != nil {
+			return err
+		}
+		// exit with the container's exit status so any external supervisor is
+		// notified of the exit with the correct exit status.
+		os.Exit(status)
+		return nil
+	},
+}
+
+func criuOptions(context *cli.Context) *libcontainer.CriuOpts {
+	imagePath := getCheckpointImagePath(context)
+	if err := os.MkdirAll(imagePath, 0655); err != nil {
+		fatal(err)
+	}
+	return &libcontainer.CriuOpts{
+		ImagesDirectory:         imagePath,
+		WorkDirectory:           context.String("work-path"),
+		ParentImage:             context.String("parent-path"),
+		LeaveRunning:            context.Bool("leave-running"),
+		TcpEstablished:          context.Bool("tcp-established"),
+		ExternalUnixConnections: context.Bool("ext-unix-sk"),
+		ShellJob:                context.Bool("shell-job"),
+		FileLocks:               context.Bool("file-locks"),
+		PreDump:                 context.Bool("pre-dump"),
+		AutoDedup:               context.Bool("auto-dedup"),
+		LazyPages:               context.Bool("lazy-pages"),
+		StatusFd:                context.String("status-fd"),
+	}
+}