1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/* guestfish - the filesystem interactive shell
* Copyright (C) 2010 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <libintl.h>
#include "fish.h"
#include "prepopts.h"
/* Split "/dev/VG/LV" into "VG" and "LV". This function should
* probably do more checks.
*/
int
vg_lv_parse (const char *device, char **vg, char **lv)
{
if (STRPREFIX (device, "/dev/"))
device += 5;
const char *p = strchr (device, '/');
if (p == NULL)
return -1;
if (vg) {
*vg = strndup (device, p - device);
if (*vg == NULL) {
perror ("strndup");
exit (EXIT_FAILURE);
}
}
if (lv) {
*lv = strdup (p+1);
if (*lv == NULL) {
perror ("strndup");
exit (EXIT_FAILURE);
}
}
return 0;
}
void
prep_prelaunch_lv (const char *filename, prep_data *data)
{
if (vg_lv_parse (data->params[0], NULL, NULL) == -1)
prep_error (data, filename, _("incorrect format for LV name, use '/dev/VG/LV'"));
if (alloc_disk (filename, data->params[1], 0, 1) == -1)
prep_error (data, filename, _("failed to allocate disk"));
}
void
prep_postlaunch_lv (const char *filename, prep_data *data, const char *device)
{
if (guestfs_part_disk (g, device, data->params[2]) == -1)
prep_error (data, filename, _("failed to partition disk: %s"),
guestfs_last_error (g));
char *vg;
char *lv;
if (vg_lv_parse (data->params[0], &vg, &lv) == -1)
prep_error (data, filename, _("incorrect format for LV name, use '/dev/VG/LV'"));
char *part;
if (asprintf (&part, "%s1", device) == -1) {
perror ("asprintf");
exit (EXIT_FAILURE);
}
if (guestfs_pvcreate (g, part) == -1)
prep_error (data, filename, _("failed to create PV: %s: %s"),
part, guestfs_last_error (g));
char *parts[] = { part, NULL };
if (guestfs_vgcreate (g, vg, parts) == -1)
prep_error (data, filename, _("failed to create VG: %s: %s"),
vg, guestfs_last_error (g));
/* Create the largest possible LV. */
if (guestfs_lvcreate_free (g, lv, vg, 100) == -1)
prep_error (data, filename, _("failed to create LV: /dev/%s/%s: %s"),
vg, lv, guestfs_last_error (g));
free (part);
free (vg);
free (lv);
}
void
prep_prelaunch_lvfs (const char *filename, prep_data *data)
{
if (vg_lv_parse (data->params[0], NULL, NULL) == -1)
prep_error (data, filename, _("incorrect format for LV name, use '/dev/VG/LV'"));
if (alloc_disk (filename, data->params[2], 0, 1) == -1)
prep_error (data, filename, _("failed to allocate disk"));
}
void
prep_postlaunch_lvfs (const char *filename, prep_data *data, const char *device)
{
if (guestfs_part_disk (g, device, data->params[3]) == -1)
prep_error (data, filename, _("failed to partition disk: %s"),
guestfs_last_error (g));
char *vg;
char *lv;
if (vg_lv_parse (data->params[0], &vg, &lv) == -1)
prep_error (data, filename, _("incorrect format for LV name, use '/dev/VG/LV'"));
char *part;
if (asprintf (&part, "%s1", device) == -1) {
perror ("asprintf");
exit (EXIT_FAILURE);
}
if (guestfs_pvcreate (g, part) == -1)
prep_error (data, filename, _("failed to create PV: %s: %s"),
part, guestfs_last_error (g));
char *parts[] = { part, NULL };
if (guestfs_vgcreate (g, vg, parts) == -1)
prep_error (data, filename, _("failed to create VG: %s: %s"),
vg, guestfs_last_error (g));
/* Create the largest possible LV. */
if (guestfs_lvcreate_free (g, lv, vg, 100) == -1)
prep_error (data, filename, _("failed to create LV: /dev/%s/%s: %s"),
vg, lv, guestfs_last_error (g));
/* Create the filesystem. */
if (guestfs_mkfs (g, data->params[1], data->params[0]) == -1)
prep_error (data, filename, _("failed to create filesystem (%s): %s"),
data->params[1], guestfs_last_error (g));
free (part);
free (vg);
free (lv);
}
|
