/*      $NetBSD: vgcfgrestore.c,v 1.1.1.2 2009/12/02 00:25:56 haad Exp $        */

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "tools.h"

int vgcfgrestore(struct cmd_context *cmd, int argc, char **argv)
{
       char *vg_name = NULL;

       if (argc == 1) {
               vg_name = skip_dev_dir(cmd, argv[0], NULL);
               if (!validate_name(vg_name)) {
                       log_error("Volume group name \"%s\" is invalid", vg_name);
                       return ECMD_FAILED;
               }
       } else if (!(arg_count(cmd, list_ARG) && arg_count(cmd, file_ARG))) {
               log_error("Please specify a *single* volume group to restore.");
               return ECMD_FAILED;
       }

       /*
        * FIXME: overloading the -l arg for now to display a
        * list of archive files for a particular vg
        */
       if (arg_count(cmd, list_ARG)) {
               if (!(arg_count(cmd,file_ARG) ?
                           archive_display_file(cmd,
                               arg_str_value(cmd, file_ARG, "")) :
                           archive_display(cmd, vg_name))) {
                       stack;
                       return ECMD_FAILED;
               }
               return ECMD_PROCESSED;
       }

       if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) {
               log_error("Unable to lock volume group %s", vg_name);
               return ECMD_FAILED;
       }

       if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
               log_error("Unable to lock orphans");
               unlock_vg(cmd, vg_name);
               return ECMD_FAILED;
       }

       cmd->handles_unknown_segments = 1;

       if (!(arg_count(cmd, file_ARG) ?
             backup_restore_from_file(cmd, vg_name,
                                      arg_str_value(cmd, file_ARG, "")) :
             backup_restore(cmd, vg_name))) {
               unlock_vg(cmd, VG_ORPHANS);
               unlock_vg(cmd, vg_name);
               log_error("Restore failed.");
               return ECMD_FAILED;
       }

       log_print("Restored volume group %s", vg_name);

       unlock_vg(cmd, VG_ORPHANS);
       unlock_vg(cmd, vg_name);
       return ECMD_PROCESSED;
}