mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-21 22:53:37 +00:00
14fabcd88e
Replaces code such as: fd = open "test1.img" ftruncate fd, size close fd g.add_drive "test1.img" with the shorter and simpler: g.add_drive_scratch size
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/* libguestfs
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* Copyright (C) 2012-2013 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <config.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "guestfs.h"
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#include "guestfs-internal-all.h"
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int
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main (int argc, char *argv[])
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{
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guestfs_h *g;
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struct guestfs_internal_mountable *mountable;
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const char *devices[] = { "/dev/VG/LV", NULL };
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g = guestfs_create ();
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if (g == NULL) {
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perror ("could not create handle");
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exit (EXIT_FAILURE);
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}
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if (guestfs_add_drive_scratch (g, 1024*1024*1024, -1) == -1) {
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error:
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guestfs_close (g);
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exit (EXIT_FAILURE);
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}
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if (guestfs_launch (g) == -1) goto error;
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if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1) goto error;
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if (guestfs_pvcreate (g, "/dev/sda1") == -1) goto error;
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const char *pvs[] = { "/dev/sda1", NULL };
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if (guestfs_vgcreate (g, "VG", (char **) pvs) == -1) goto error;
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if (guestfs_lvcreate (g, "LV", "VG", 900) == -1) goto error;
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if (guestfs_mkfs_btrfs (g, (char * const *)devices, -1) == -1) goto error;
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if (guestfs_mount (g, "/dev/VG/LV", "/") == -1) goto error;
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if (guestfs_btrfs_subvolume_create (g, "/sv") == -1) goto error;
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mountable = guestfs_internal_parse_mountable (g, "/dev/VG/LV");
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if (mountable == NULL) goto error;
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if (mountable->im_type != MOUNTABLE_DEVICE ||
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!STREQ ("/dev/VG/LV", mountable->im_device))
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{
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fprintf (stderr, "incorrectly parsed /dev/VG/LV");
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goto error;
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}
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guestfs_free_internal_mountable (mountable);
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mountable = guestfs_internal_parse_mountable (g, "btrfsvol:/dev/VG/LV/sv");
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if (mountable == NULL) goto error;
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if (mountable->im_type != MOUNTABLE_BTRFSVOL ||
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!STREQ ("/dev/VG/LV", mountable->im_device) ||
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!STREQ ("sv", mountable->im_volume))
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{
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fprintf (stderr, "incorrectly parsed /dev/VG/LV/sv");
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goto error;
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}
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guestfs_free_internal_mountable (mountable);
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guestfs_close (g);
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exit (EXIT_SUCCESS);
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}
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