Version 1.7.6.

[libguestfs.git] / fish / prep_lv.c

diff --git a/fish/prep_lv.c b/fish/prep_lv.c
index 985d541..627ed0a 100644 (file)
--- a/fish/prep_lv.c
+++ b/fish/prep_lv.c
@@ -30,7 +30,7 @@
 /* Split "/dev/VG/LV" into "VG" and "LV".  This function should
  * probably do more checks.
  */
 /* Split "/dev/VG/LV" into "VG" and "LV".  This function should
  * probably do more checks.
  */

-static int
+int

 vg_lv_parse (const char *device, char **vg, char **lv)
 {
   if (STRPREFIX (device, "/dev/"))
 vg_lv_parse (const char *device, char **vg, char **lv)
 {
   if (STRPREFIX (device, "/dev/"))


@@ -111,3 +111,61 @@ prep_postlaunch_lv (const char *filename, prep_data *data, const char *device)
   free (vg);
   free (lv);
 }
   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 smallest possible LV, then resize it to fill
+   * all available space.
+   */
+  if (guestfs_lvcreate (g, lv, vg, 1) == -1)
+    prep_error (data, filename, _("failed to create LV: /dev/%s/%s: %s"),
+                vg, lv, guestfs_last_error (g));
+  if (guestfs_lvresize_free (g, data->params[0], 100) == -1)
+    prep_error (data, filename,
+                _("failed to resize LV to full size: %s: %s"),
+                data->params[0], 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);
+}