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/* guestfish - guest filesystem shell
* Copyright (C) 2010-2023 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 <errno.h>
#include <error.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)
error (EXIT_FAILURE, errno, "strndup");
}
if (lv) {
*lv = strdup (p+1);
if (*lv == NULL)
error (EXIT_FAILURE, errno, "strndup");
}
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));
CLEANUP_FREE char *vg;
CLEANUP_FREE 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'"));
CLEANUP_FREE char *part;
if (asprintf (&part, "%s1", device) == -1)
error (EXIT_FAILURE, errno, "asprintf");
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));
}
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));
CLEANUP_FREE char *vg;
CLEANUP_FREE 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'"));
CLEANUP_FREE char *part;
if (asprintf (&part, "%s1", device) == -1)
error (EXIT_FAILURE, errno, "asprintf");
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));
}
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