New APIs: Query the relationship between LVM objects.

[libguestfs.git] / src / generator.ml

diff --git a/src/generator.ml b/src/generator.ml
index 4f569ba..fdd228e 100755 (executable)
--- a/src/generator.ml
+++ b/src/generator.ml
@@ -544,13 +544,15 @@ handle is closed.  We don't currently have any method to enable
 changes to be committed, although qemu can support this.
 
 This is equivalent to the qemu parameter
-C<-drive file=filename,snapshot=on,if=...>.
+C<-drive file=filename,snapshot=on,readonly=on,if=...>.
 
 C<if=...> is set at compile time by the configuration option
 C<./configure --with-drive-if=...>.  In the rare case where you
 might need to change this at run time, use C<guestfs_add_drive_with_if>
 or C<guestfs_add_drive_ro_with_if>.
 
+C<readonly=on> is only added where qemu supports this option.
+
 Note that this call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported
 by qemu such as C<nbd:> and C<http:> URLs.  To specify those, use
@@ -4288,6 +4290,48 @@ contained in a Linux initrd or initramfs image:
 
 See also C<guestfs_initrd_list>.");
 
+  ("pvuuid", (RString "uuid", [Device "device"]), 222, [],
+   [],
+   "get the UUID of a physical volume",
+   "\
+This command returns the UUID of the LVM PV C<device>.");
+
+  ("vguuid", (RString "uuid", [String "vgname"]), 223, [],
+   [],
+   "get the UUID of a volume group",
+   "\
+This command returns the UUID of the LVM VG named C<vgname>.");
+
+  ("lvuuid", (RString "uuid", [Device "device"]), 224, [],
+   [],
+   "get the UUID of a logical volume",
+   "\
+This command returns the UUID of the LVM LV C<device>.");
+
+  ("vgpvuuids", (RStringList "uuids", [String "vgname"]), 225, [],
+   [],
+   "get the PV UUIDs containing the volume group",
+   "\
+Given a VG called C<vgname>, this returns the UUIDs of all
+the physical volumes that this volume group resides on.
+
+You can use this along with C<guestfs_pvs> and C<guestfs_pvuuid>
+calls to associate physical volumes and volume groups.
+
+See also C<guestfs_vglvuuids>.");
+
+  ("vglvuuids", (RStringList "uuids", [String "vgname"]), 226, [],
+   [],
+   "get the LV UUIDs of all LVs in the volume group",
+   "\
+Given a VG called C<vgname>, this returns the UUIDs of all
+the logical volumes created in this volume group.
+
+You can use this along with C<guestfs_lvs> and C<guestfs_lvuuid>
+calls to associate logical volumes and volume groups.
+
+See also C<guestfs_vgpvuuids>.");
+
 ]
 
 let all_functions = non_daemon_functions @ daemon_functions