xref: /dragonfly/contrib/lvm2/dist/tools/vgcfgrestore.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
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 
vgcfgrestore(struct cmd_context * cmd,int argc,char ** argv)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