void
prep_postlaunch_part (const char *filename, prep_data *data, const char *device)
{
if (guestfs_part_disk (g, device, data->params[1]) == -1)
prep_error (data, filename, _("failed to partition disk: %s"),
guestfs_last_error (g));
}
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) {
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));
}
int
init_gpt (guestfs_h *g)
{
if (init_empty (g) == -1)
return -1;
if (guestfs_part_disk (g, "/dev/sda", "gpt") == -1)
return -1;
return 0;
}
int
init_partition (guestfs_h *g)
{
if (init_empty (g) == -1)
return -1;
if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
return -1;
return 0;
}
/* Create the handle, with attached disks. */
static guestfs_h *
create_handle (void)
{
guestfs_h *g;
g = guestfs_create ();
if (g == NULL) {
printf ("FAIL: guestfs_create\n");
exit (EXIT_FAILURE);
}
if (guestfs_add_drive_scratch (g, 524288000, -1) == -1) {
printf ("FAIL: guestfs_add_drive_scratch\n");
exit (EXIT_FAILURE);
}
if (guestfs_add_drive_scratch (g, 52428800, -1) == -1) {
printf ("FAIL: guestfs_add_drive_scratch\n");
exit (EXIT_FAILURE);
}
if (guestfs_add_drive_scratch (g, 10485760, -1) == -1) {
printf ("FAIL: guestfs_add_drive_scratch\n");
exit (EXIT_FAILURE);
}
if (guestfs_add_drive_ro (g, "../data/test.iso") == -1) {
printf ("FAIL: guestfs_add_drive_ro ../data/test.iso\n");
exit (EXIT_FAILURE);
}
/* Set a timeout in case qemu hangs during launch (RHBZ#505329). */
alarm (600);
if (guestfs_launch (g) == -1) {
printf ("FAIL: guestfs_launch\n");
exit (EXIT_FAILURE);
}
/* Cancel previous alarm. */
alarm (0);
/* Create ext2 filesystem on /dev/sdb1 partition. */
if (guestfs_part_disk (g, "/dev/sdb", "mbr") == -1) {
printf ("FAIL: guestfs_part_disk\n");
exit (EXIT_FAILURE);
}
if (guestfs_mkfs (g, "ext2", "/dev/sdb1") == -1) {
printf ("FAIL: guestfs_mkfs (/dev/sdb1)\n");
exit (EXIT_FAILURE);
}
return g;
}
int
main (int argc, char *argv[])
{
char *str;
guestfs_h *g;
char tmp[] = "/tmp/charsetXXXXXX";
int fd;
size_t i;
struct filesystem *fs;
/* Allow this test to be skipped. */
str = getenv ("SKIP_TEST_CHARSET_FIDELITY");
if (str && STREQ (str, "1")) {
printf ("%s: test skipped because environment variable is set.\n",
argv[0]);
exit (77);
}
g = guestfs_create ();
if (g == NULL)
error (EXIT_FAILURE, 0, "failed to create handle");
fd = mkstemp (tmp);
if (fd == -1)
error (EXIT_FAILURE, errno, "mkstemp");
if (ftruncate (fd, 1024 * 1024 * 1024) == -1)
error (EXIT_FAILURE, errno, "ftruncate: %s", tmp);
if (close (fd) == -1)
error (EXIT_FAILURE, errno, "close: %s", tmp);
if (guestfs_add_drive_opts (g, tmp, -1) == -1)
exit (EXIT_FAILURE);
if (guestfs_launch (g) == -1)
exit (EXIT_FAILURE);
if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
exit (EXIT_FAILURE);
for (i = 0; i < sizeof filesystems / sizeof filesystems[0]; ++i) {
fs = &filesystems[i];
test_filesystem (g, fs);
}
guestfs_close (g);
unlink (tmp);
exit (EXIT_SUCCESS);
}
void
prep_postlaunch_fs (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 *part;
if (asprintf (&part, "%s1", device) == -1)
error (EXIT_FAILURE, errno, "asprintf");
if (guestfs_mkfs (g, data->params[0], part) == -1)
prep_error (data, filename, _("failed to create filesystem (%s): %s"),
data->params[0], guestfs_last_error (g));
}
int
main (int argc, char *argv[])
{
char *str;
guestfs_h *g;
size_t i;
struct filesystem *fs;
/* Allow this test to be skipped. */
str = getenv (ourenvvar);
if (str && STREQ (str, "1")) {
printf ("%s: test skipped because environment variable is set.\n",
program_name);
exit (77);
}
g = guestfs_create ();
if (g == NULL)
error (EXIT_FAILURE, 0, "failed to create handle");
if (guestfs_add_drive_scratch (g, 1024*1024*1024, -1) == -1)
exit (EXIT_FAILURE);
if (guestfs_launch (g) == -1)
exit (EXIT_FAILURE);
if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
exit (EXIT_FAILURE);
for (i = 0; i < sizeof filesystems / sizeof filesystems[0]; ++i) {
fs = &filesystems[i];
test_filesystem (g, fs);
}
guestfs_close (g);
exit (EXIT_SUCCESS);
}
int
main (int argc, char *argv[])
{
guestfs_h *g;
struct guestfs_internal_mountable *mountable;
const char *devices[] = { "/dev/VG/LV", NULL };
const char *feature[] = { "btrfs", NULL };
g = guestfs_create ();
if (g == NULL) {
perror ("could not create handle");
exit (EXIT_FAILURE);
}
if (guestfs_add_drive_scratch (g, 1024*1024*1024, -1) == -1) {
error:
guestfs_close (g);
exit (EXIT_FAILURE);
}
if (guestfs_launch (g) == -1) goto error;
if (!guestfs_feature_available (g, (char **) feature)) {
printf ("skipping test because btrfs is not available\n");
guestfs_close (g);
exit (77);
}
if (!guestfs_filesystem_available (g, "btrfs")) {
printf ("skipping test because btrfs filesystem is not available\n");
guestfs_close (g);
exit (77);
}
if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1) goto error;
if (guestfs_pvcreate (g, "/dev/sda1") == -1) goto error;
const char *pvs[] = { "/dev/sda1", NULL };
if (guestfs_vgcreate (g, "VG", (char **) pvs) == -1) goto error;
if (guestfs_lvcreate (g, "LV", "VG", 900) == -1) goto error;
if (guestfs_mkfs_btrfs (g, (char * const *)devices, -1) == -1) goto error;
if (guestfs_mount (g, "/dev/VG/LV", "/") == -1) goto error;
if (guestfs_btrfs_subvolume_create (g, "/sv") == -1) goto error;
mountable = guestfs_internal_parse_mountable (g, "/dev/VG/LV");
if (mountable == NULL) goto error;
if (mountable->im_type != MOUNTABLE_DEVICE ||
STRNEQ ("/dev/VG/LV", mountable->im_device)) {
fprintf (stderr, "incorrectly parsed /dev/VG/LV: im_device=%s\n",
mountable->im_device);
goto error;
}
guestfs_free_internal_mountable (mountable);
mountable = guestfs_internal_parse_mountable (g, "btrfsvol:/dev/VG/LV/sv");
if (mountable == NULL) goto error;
if (mountable->im_type != MOUNTABLE_BTRFSVOL ||
STRNEQ ("/dev/VG/LV", mountable->im_device) ||
STRNEQ ("sv", mountable->im_volume)) {
fprintf (stderr, "incorrectly parsed /dev/VG/LV/sv: im_device=%s, im_volume=%s\n",
mountable->im_device, mountable->im_volume);
goto error;
}
guestfs_free_internal_mountable (mountable);
guestfs_close (g);
exit (EXIT_SUCCESS);
}
int
main (int argc, char *argv[])
{
guestfs_h *g;
int fd, r;
char tempdir[] = "/tmp/mlXXXXXX";
pid_t pid;
char *shell, *p;
if (argc != 2) {
usage ();
exit (EXIT_FAILURE);
}
printf ("\n"
"This is the 'mount-local' demonstration program. Follow the\n"
"instructions on screen.\n"
"\n"
"Creating and formatting the disk image, please wait a moment ...\n");
fflush (stdout);
/* Create the output disk image: raw sparse. */
fd = open (argv[1], O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0644);
if (fd == -1) {
perror (argv[1]);
exit (EXIT_FAILURE);
}
if (ftruncate (fd, SIZE_MB * 1024 * 1024) == -1) {
perror ("truncate");
close (fd);
exit (EXIT_FAILURE);
}
if (close (fd) == -1) {
perror ("close");
exit (EXIT_FAILURE);
}
/* Guestfs handle. */
g = guestfs_create ();
if (g == NULL) {
perror ("could not create libguestfs handle");
exit (EXIT_FAILURE);
}
/* Create the disk image and format it with a partition and a filesystem. */
if (guestfs_add_drive_opts (g, argv[1],
GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",
-1) == -1)
exit (EXIT_FAILURE);
if (guestfs_launch (g) == -1)
exit (EXIT_FAILURE);
if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
exit (EXIT_FAILURE);
if (guestfs_mkfs (g, "ext2", "/dev/sda1") == -1)
exit (EXIT_FAILURE);
/* Mount the empty filesystem. */
if (guestfs_mount_options (g, MOUNT_OPTIONS, "/dev/sda1", "/") == -1)
exit (EXIT_FAILURE);
/* Create a file in the new filesystem. */
if (guestfs_touch (g, "/PUT_FILES_AND_DIRECTORIES_HERE") == -1)
exit (EXIT_FAILURE);
/* Create a temporary mount directory. */
if (mkdtemp (tempdir) == NULL) {
perror ("mkdtemp");
exit (EXIT_FAILURE);
}
/* Mount the filesystem. */
if (guestfs_mount_local (g, tempdir, -1) == -1)
exit (EXIT_FAILURE);
/* Fork the shell for the user. */
pid = fork ();
if (pid == -1) {
perror ("fork");
exit (EXIT_FAILURE);
}
if (pid == 0) { /* Child. */
if (chdir (tempdir) == -1) {
perror (tempdir);
_exit (EXIT_FAILURE);
}
printf ("\n"
"The *current directory* is a FUSE filesystem backed by the disk\n"
"image which is managed by libguestfs. Any files or directories\n"
"you copy into here (up to %d MB) will be saved into the disk\n"
"image. You can also delete files, create certain special files\n"
"and so on.\n"
"\n"
"When you have finished adding files, hit ^D or type 'exit' to\n"
"exit the shell and return to the mount-local program.\n"
"\n",
SIZE_MB);
shell = getenv ("SHELL");
if (!shell)
r = system ("/bin/sh");
else {
/* Set a magic prompt. We only know how to do this for bash. */
p = strrchr (shell, '/');
if (p && strcmp (p+1, "bash") == 0) {
size_t len = 64 + strlen (shell);
char buf[len];
snprintf (buf, len, "PS1='mount-local-shell> ' %s --norc -i", shell);
r = system (buf);
} else
r = system (shell);
}
if (r == -1) {
fprintf (stderr, "error: failed to run sub-shell (%s) "
"(is $SHELL set correctly?)\n",
shell);
//FALLTHROUGH
}
chdir ("/");
guestfs_umount_local (g, GUESTFS_UMOUNT_LOCAL_RETRY, 1, -1);
_exit (EXIT_SUCCESS);
}
/* Note that we are *not* waiting for the child yet. We want to
* run the FUSE code in parallel with the subshell.
*/
/* We're going to hide libguestfs errors here, but in a real program
* you would probably want to log them somewhere.
*/
guestfs_push_error_handler (g, NULL, NULL);
/* Now run the FUSE thread. */
if (guestfs_mount_local_run (g) == -1)
exit (EXIT_FAILURE);
guestfs_pop_error_handler (g);
waitpid (pid, NULL, 0);
/* Shutdown the handle explicitly so write errors can be detected. */
if (guestfs_shutdown (g) == -1)
exit (EXIT_FAILURE);
guestfs_close (g);
printf ("\n"
"Any files or directories that you copied in have been saved into\n"
"the disk image called '%s'.\n"
"\n"
"Try opening the disk image with guestfish to see those files:\n"
"\n"
" guestfish -a %s -m /dev/sda1\n"
"\n",
argv[1], argv[1]);
exit (EXIT_SUCCESS);
}
static int
do_make_fs (const char *input, const char *output_str)
{
const char *dev, *options;
CLEANUP_UNLINK_FREE char *output = NULL;
uint64_t estimate, size;
struct guestfs_disk_create_argv optargs;
CLEANUP_FREE char *ifmt = NULL;
CLEANUP_FREE char *ifile = NULL;
pid_t pid;
int status, fd;
/* Use of CLEANUP_UNLINK_FREE *output ensures the output file is
* deleted unless we successfully reach the end of this function.
*/
output = strdup (output_str);
if (output == NULL) {
perror ("strdup");
return -1;
}
/* Input. What is it? Estimate how much space it will need. */
if (estimate_input (input, &estimate, &ifmt) == -1)
return -1;
if (verbose) {
fprintf (stderr, "input format = %s\n", ifmt);
fprintf (stderr, "estimate = %" PRIu64 " bytes "
"(%" PRIu64 " 1K blocks, %" PRIu64 " 4K blocks)\n",
estimate, estimate / 1024, estimate / 4096);
}
estimate += 256 * 1024; /* For superblocks &c. */
if (STRPREFIX (type, "ext") && type[3] >= '3') {
/* For ext3+, add some more for the journal. */
estimate += 1024 * 1024;
}
else if (STREQ (type, "ntfs")) {
estimate += 4 * 1024 * 1024; /* NTFS journal. */
}
else if (STREQ (type, "btrfs")) {
/* For BTRFS, the minimum metadata allocation is 256MB, with data
* additional to that. Note that we disable data and metadata
* duplication below.
*/
estimate += 256 * 1024 * 1024;
}
/* Add 10%, see above. */
estimate *= 1.10;
/* Calculate the output size. */
if (size_str == NULL)
size = estimate;
else
if (parse_size (size_str, estimate, &size) == -1)
return -1;
/* Create the output disk. */
optargs.bitmask = 0;
if (STREQ (format, "qcow2")) {
optargs.bitmask |= GUESTFS_DISK_CREATE_PREALLOCATION_BITMASK;
optargs.preallocation = "metadata";
}
if (guestfs_disk_create_argv (g, output, format, size, &optargs) == -1)
return -1;
if (guestfs_add_drive_opts (g, output,
GUESTFS_ADD_DRIVE_OPTS_FORMAT, format,
-1) == -1)
return -1;
if (guestfs_launch (g) == -1)
return -1;
if (check_ntfs_available () == -1)
return -1;
/* Partition the disk. */
dev = "/dev/sda";
if (partition) {
int mbr_id = 0;
if (STREQ (partition, ""))
partition = "mbr";
if (guestfs_part_disk (g, dev, partition) == -1)
return -1;
dev = "/dev/sda1";
/* Set the partition type byte if it's MBR and the filesystem type
* is one that we know about.
*/
if (STREQ (partition, "mbr") || STREQ (partition, "msdos")) {
if (STREQ (type, "msdos"))
/* According to Wikipedia. However I have not actually tried this. */
mbr_id = 0x1;
else if (STREQ (type, "vfat") || STREQ (type, "fat"))
mbr_id = 0xb;
else if (STREQ (type, "ntfs"))
mbr_id = 0x7;
else if (STRPREFIX (type, "ext"))
mbr_id = 0x83;
else if (STREQ (type, "minix"))
mbr_id = 0x81;
}
if (mbr_id != 0) {
if (guestfs_part_set_mbr_id (g, "/dev/sda", 1, mbr_id) == -1)
return -1;
}
}
if (verbose)
fprintf (stderr, "creating %s filesystem on %s ...\n", type, dev);
/* Create the filesystem. */
if (STRNEQ (type, "btrfs")) {
int r;
struct guestfs_mkfs_opts_argv optargs = { .bitmask = 0 };
if (label) {
optargs.label = label;
optargs.bitmask |= GUESTFS_MKFS_OPTS_LABEL_BITMASK;
}
guestfs_push_error_handler (g, NULL, NULL);
r = guestfs_mkfs_opts_argv (g, type, dev, &optargs);
guestfs_pop_error_handler (g);
if (r == -1) {
/* Provide more guidance in the error message (RHBZ#823883). */
fprintf (stderr, "%s: 'mkfs' (create filesystem) operation failed: %s\n",
guestfs_int_program_name, guestfs_last_error (g));
if (STREQ (type, "fat"))
fprintf (stderr, "Instead of 'fat', try 'vfat' (long filenames) or 'msdos' (short filenames).\n");
else
fprintf (stderr, "Is '%s' a correct filesystem type?\n", type);
return -1;
}
}
else {
int
main (int argc, char *argv[])
{
guestfs_h *g;
int r, err;
struct guestfs_stat *stat;
g = guestfs_create ();
if (g == NULL) {
fprintf (stderr, "failed to create handle\n");
exit (EXIT_FAILURE);
}
if (guestfs_add_drive_scratch (g, 524288000, -1) == -1)
exit (EXIT_FAILURE);
if (guestfs_launch (g) == -1)
exit (EXIT_FAILURE);
if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
exit (EXIT_FAILURE);
if (guestfs_mkfs (g, "ext2", "/dev/sda1") == -1)
exit (EXIT_FAILURE);
/* Mount read-only, and check that errno == EROFS is passed back when
* we create a file.
*/
if (guestfs_mount_ro (g, "/dev/sda1", "/") == -1)
exit (EXIT_FAILURE);
r = guestfs_touch (g, "/test");
if (r != -1) {
fprintf (stderr,
"guestfs_touch: expected error for read-only filesystem\n");
exit (EXIT_FAILURE);
}
err = guestfs_last_errno (g);
if (err != EROFS) {
fprintf (stderr,
"guestfs_touch: expected errno == EROFS, but got %d\n", err);
exit (EXIT_FAILURE);
}
if (guestfs_umount (g, "/") == -1)
exit (EXIT_FAILURE);
/* Mount it writable and test some other errors. */
if (guestfs_mount (g, "/dev/sda1", "/") == -1)
exit (EXIT_FAILURE);
stat = guestfs_lstat (g, "/nosuchfile");
if (stat != NULL) {
fprintf (stderr,
"guestfs_lstat: expected error for missing file\n");
exit (EXIT_FAILURE);
}
err = guestfs_last_errno (g);
if (err != ENOENT) {
fprintf (stderr,
"guestfs_lstat: expected errno == ENOENT, but got %d\n", err);
exit (EXIT_FAILURE);
}
if (guestfs_touch (g, "/test") == -1)
exit (EXIT_FAILURE);
r = guestfs_mkdir (g, "/test");
if (r != -1) {
fprintf (stderr,
"guestfs_mkdir: expected error for file which exists\n");
exit (EXIT_FAILURE);
}
err = guestfs_last_errno (g);
if (err != EEXIST) {
fprintf (stderr,
"guestfs_mkdir: expected errno == EEXIST, but got %d\n", err);
exit (EXIT_FAILURE);
}
guestfs_close (g);
exit (EXIT_SUCCESS);
}
/* Returns 0 on success, 1 if we need to retry. */
static int
do_format (void)
{
char **devices;
size_t i;
int ret;
devices = guestfs_list_devices (g);
if (devices == NULL)
exit (EXIT_FAILURE);
/* Erase the disks. */
if (!wipe) {
for (i = 0; devices[i] != NULL; ++i) {
/* erase the filesystem signatures on each device */
if (have_wipefs && guestfs_wipefs (g, devices[i]) == -1)
exit (EXIT_FAILURE);
/* Then erase the partition table on each device. */
if (guestfs_zero (g, devices[i]) == -1)
exit (EXIT_FAILURE);
}
}
else /* wipe */ {
for (i = 0; devices[i] != NULL; ++i) {
if (guestfs_zero_device (g, devices[i]) == -1)
exit (EXIT_FAILURE);
}
}
if (do_rescan (devices)) {
ret = 1; /* which means, reopen the handle and retry */
goto out;
}
/* Format each disk. */
for (i = 0; devices[i] != NULL; ++i) {
char *dev = devices[i];
int free_dev = 0;
if (partition) {
const char *ptype = partition;
int64_t dev_size;
/* If partition has the magic value "DEFAULT", choose either MBR or GPT.*/
if (STREQ (partition, "DEFAULT")) {
dev_size = guestfs_blockdev_getsize64 (g, devices[i]);
if (dev_size == -1)
exit (EXIT_FAILURE);
ptype = dev_size < INT64_C(2)*1024*1024*1024*1024 ? "mbr" : "gpt";
}
if (guestfs_part_disk (g, devices[i], ptype) == -1)
exit (EXIT_FAILURE);
if (asprintf (&dev, "%s1", devices[i]) == -1) {
perror ("asprintf");
exit (EXIT_FAILURE);
}
free_dev = 1;
}
if (vg && lv) {
char *devs[2] = { dev, NULL };
if (guestfs_pvcreate (g, dev) == -1)
exit (EXIT_FAILURE);
if (guestfs_vgcreate (g, vg, devs) == -1)
exit (EXIT_FAILURE);
if (guestfs_lvcreate_free (g, lv, vg, 100) == -1)
exit (EXIT_FAILURE);
if (free_dev)
free (dev);
if (asprintf (&dev, "/dev/%s/%s", vg, lv) == -1) {
perror ("asprintf");
exit (EXIT_FAILURE);
}
free_dev = 1;
}
if (filesystem) {
if (guestfs_mkfs_opts (g, filesystem, dev, -1) == -1)
exit (EXIT_FAILURE);
}
if (free_dev)
free (dev);
}
if (guestfs_sync (g) == -1)
exit (EXIT_FAILURE);
ret = 0;
out:
/* Free device list. */
for (i = 0; devices[i] != NULL; ++i)
free (devices[i]);
free (devices);
return ret;
}
/* Returns 0 on success, 1 if we need to retry. */
static int
do_format (void)
{
size_t i;
CLEANUP_FREE_STRING_LIST char **devices =
guestfs_list_devices (g);
if (devices == NULL)
exit (EXIT_FAILURE);
/* Erase the disks. */
if (!wipe) {
for (i = 0; devices[i] != NULL; ++i) {
/* erase the filesystem signatures on each device */
if (have_wipefs && guestfs_wipefs (g, devices[i]) == -1)
exit (EXIT_FAILURE);
/* Then erase the partition table on each device. */
if (guestfs_zero (g, devices[i]) == -1)
exit (EXIT_FAILURE);
}
}
else /* wipe */ {
for (i = 0; devices[i] != NULL; ++i) {
if (guestfs_zero_device (g, devices[i]) == -1)
exit (EXIT_FAILURE);
}
}
/* Send TRIM/UNMAP to all block devices, to give back the space to
* the host. However don't fail if this doesn't work.
*/
guestfs_push_error_handler (g, NULL, NULL);
for (i = 0; devices[i] != NULL; ++i)
guestfs_blkdiscard (g, devices[i]);
guestfs_pop_error_handler (g);
if (do_rescan (devices))
return 1; /* which means, reopen the handle and retry */
/* Format each disk. */
for (i = 0; devices[i] != NULL; ++i) {
char *dev = devices[i];
int free_dev = 0;
if (partition) {
const char *ptype = partition;
int64_t dev_size;
/* If partition has the magic value "DEFAULT", choose either MBR or GPT.*/
if (STREQ (partition, "DEFAULT")) {
dev_size = guestfs_blockdev_getsize64 (g, devices[i]);
if (dev_size == -1)
exit (EXIT_FAILURE);
ptype = dev_size < INT64_C(2)*1024*1024*1024*1024 ? "mbr" : "gpt";
}
if (guestfs_part_disk (g, devices[i], ptype) == -1)
exit (EXIT_FAILURE);
if (asprintf (&dev, "%s1", devices[i]) == -1) {
perror ("asprintf");
exit (EXIT_FAILURE);
}
free_dev = 1;
/* Set the partition type byte appropriately, otherwise Windows
* won't see the filesystem (RHBZ#1000428).
*/
if (STREQ (ptype, "mbr") || STREQ (ptype, "msdos")) {
int mbr_id = 0;
if (vg && lv)
mbr_id = 0x8e;
else if (filesystem) {
if (STREQ (filesystem, "msdos"))
mbr_id = 0x01;
else if (STREQ (filesystem, "fat") || STREQ (filesystem, "vfat"))
mbr_id = 0x0b;
else if (STREQ (filesystem, "ntfs"))
mbr_id = 0x07;
else if (STRPREFIX (filesystem, "ext"))
mbr_id = 0x83;
else if (STREQ (filesystem, "minix"))
mbr_id = 0x81;
}
if (mbr_id > 0)
guestfs_part_set_mbr_id (g, devices[i], 1, mbr_id);
}
}
if (vg && lv) {
char *devs[2] = { dev, NULL };
if (guestfs_pvcreate (g, dev) == -1)
exit (EXIT_FAILURE);
if (guestfs_vgcreate (g, vg, devs) == -1)
exit (EXIT_FAILURE);
if (guestfs_lvcreate_free (g, lv, vg, 100) == -1)
exit (EXIT_FAILURE);
if (free_dev)
free (dev);
if (asprintf (&dev, "/dev/%s/%s", vg, lv) == -1) {
perror ("asprintf");
exit (EXIT_FAILURE);
}
free_dev = 1;
}
if (filesystem) {
if (guestfs_mkfs_opts (g, filesystem, dev, -1) == -1)
exit (EXIT_FAILURE);
if (label) {
if (guestfs_set_label (g, dev, label) == -1)
exit (EXIT_FAILURE);
}
}
if (free_dev)
free (dev);
}
if (guestfs_sync (g) == -1)
exit (EXIT_FAILURE);
return 0;
}
