1 /*	$NetBSD: vgcfgrestore.c,v 1.1.1.2 2009/12/02 00:25:56 haad Exp $	*/
2 
3 /*
4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5  * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
6  *
7  * This file is part of LVM2.
8  *
9  * This copyrighted material is made available to anyone wishing to use,
10  * modify, copy, or redistribute it subject to the terms and conditions
11  * of the GNU Lesser General Public License v.2.1.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program; if not, write to the Free Software Foundation,
15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16  */
17 
18 #include "tools.h"
19 
20 int vgcfgrestore(struct cmd_context *cmd, int argc, char **argv)
21 {
22 	char *vg_name = NULL;
23 
24 	if (argc == 1) {
25 		vg_name = skip_dev_dir(cmd, argv[0], NULL);
26 		if (!validate_name(vg_name)) {
27 			log_error("Volume group name \"%s\" is invalid", vg_name);
28 			return ECMD_FAILED;
29 		}
30 	} else if (!(arg_count(cmd, list_ARG) && arg_count(cmd, file_ARG))) {
31 		log_error("Please specify a *single* volume group to restore.");
32 		return ECMD_FAILED;
33 	}
34 
35 	/*
36 	 * FIXME: overloading the -l arg for now to display a
37 	 * list of archive files for a particular vg
38 	 */
39 	if (arg_count(cmd, list_ARG)) {
40 		if (!(arg_count(cmd,file_ARG) ?
41 			    archive_display_file(cmd,
42 				arg_str_value(cmd, file_ARG, "")) :
43 			    archive_display(cmd, vg_name))) {
44 			stack;
45 			return ECMD_FAILED;
46 		}
47 		return ECMD_PROCESSED;
48 	}
49 
50 	if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) {
51 		log_error("Unable to lock volume group %s", vg_name);
52 		return ECMD_FAILED;
53 	}
54 
55 	if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
56 		log_error("Unable to lock orphans");
57 		unlock_vg(cmd, vg_name);
58 		return ECMD_FAILED;
59 	}
60 
61 	cmd->handles_unknown_segments = 1;
62 
63 	if (!(arg_count(cmd, file_ARG) ?
64 	      backup_restore_from_file(cmd, vg_name,
65 				       arg_str_value(cmd, file_ARG, "")) :
66 	      backup_restore(cmd, vg_name))) {
67 		unlock_vg(cmd, VG_ORPHANS);
68 		unlock_vg(cmd, vg_name);
69 		log_error("Restore failed.");
70 		return ECMD_FAILED;
71 	}
72 
73 	log_print("Restored volume group %s", vg_name);
74 
75 	unlock_vg(cmd, VG_ORPHANS);
76 	unlock_vg(cmd, vg_name);
77 	return ECMD_PROCESSED;
78 }
79