1 /* $NetBSD: pvcreate.c,v 1.1.1.2 2009/12/02 00:25:54 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 #include "metadata-exported.h"
20
21 /*
22 * Intial sanity checking of recovery-related command-line arguments.
23 * These args are: --restorefile, --uuid, and --physicalvolumesize
24 *
25 * Output arguments:
26 * pp: structure allocated by caller, fields written / validated here
27 */
pvcreate_restore_params_validate(struct cmd_context * cmd,int argc,char ** argv,struct pvcreate_params * pp)28 static int pvcreate_restore_params_validate(struct cmd_context *cmd,
29 int argc, char **argv,
30 struct pvcreate_params *pp)
31 {
32 const char *uuid = NULL;
33 void *existing_pv;
34 struct volume_group *vg;
35
36 if (arg_count(cmd, restorefile_ARG) && !arg_count(cmd, uuidstr_ARG)) {
37 log_error("--uuid is required with --restorefile");
38 return 0;
39 }
40
41 if (arg_count(cmd, uuidstr_ARG) && argc != 1) {
42 log_error("Can only set uuid on one volume at once");
43 return 0;
44 }
45
46 if (arg_count(cmd, uuidstr_ARG)) {
47 uuid = arg_str_value(cmd, uuidstr_ARG, "");
48 if (!id_read_format(&pp->id, uuid))
49 return 0;
50 pp->idp = &pp->id;
51 }
52
53 if (arg_count(cmd, restorefile_ARG)) {
54 pp->restorefile = arg_str_value(cmd, restorefile_ARG, "");
55 /* The uuid won't already exist */
56 if (!(vg = backup_read_vg(cmd, NULL, pp->restorefile))) {
57 log_error("Unable to read volume group from %s",
58 pp->restorefile);
59 return 0;
60 }
61 if (!(existing_pv = find_pv_in_vg_by_uuid(vg, pp->idp))) {
62 log_error("Can't find uuid %s in backup file %s",
63 uuid, pp->restorefile);
64 return 0;
65 }
66 pp->pe_start = pv_pe_start(existing_pv);
67 pp->extent_size = pv_pe_size(existing_pv);
68 pp->extent_count = pv_pe_count(existing_pv);
69 vg_release(vg);
70 }
71
72 if (arg_sign_value(cmd, physicalvolumesize_ARG, 0) == SIGN_MINUS) {
73 log_error("Physical volume size may not be negative");
74 return 0;
75 }
76 pp->size = arg_uint64_value(cmd, physicalvolumesize_ARG, UINT64_C(0));
77
78 if (arg_count(cmd, restorefile_ARG) || arg_count(cmd, uuidstr_ARG))
79 pp->zero = 0;
80 return 1;
81 }
82
pvcreate(struct cmd_context * cmd,int argc,char ** argv)83 int pvcreate(struct cmd_context *cmd, int argc, char **argv)
84 {
85 int i;
86 int ret = ECMD_PROCESSED;
87 struct pvcreate_params pp;
88
89 pvcreate_params_set_defaults(&pp);
90
91 if (!pvcreate_restore_params_validate(cmd, argc, argv, &pp)) {
92 return EINVALID_CMD_LINE;
93 }
94 if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
95 return EINVALID_CMD_LINE;
96 }
97
98 for (i = 0; i < argc; i++) {
99 if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
100 log_error("Can't get lock for orphan PVs");
101 return ECMD_FAILED;
102 }
103
104 if (!pvcreate_single(cmd, argv[i], &pp)) {
105 stack;
106 ret = ECMD_FAILED;
107 }
108
109 unlock_vg(cmd, VG_ORPHANS);
110 if (sigint_caught())
111 return ret;
112 }
113
114 return ret;
115 }
116