Added OCaml examples.

[libguestfs.git] / ocaml / examples / lvs.ml

diff --git a/ocaml/examples/lvs.ml b/ocaml/examples/lvs.ml
new file mode 100644 (file)
index 0000000..12c7c15
--- /dev/null
+++ b/ocaml/examples/lvs.ml
@@ -0,0 +1,26 @@
+(* An example using the OCaml bindings. *)
+
+open Printf
+
+let () =
+  if Array.length Sys.argv <= 1 || not (Sys.file_exists Sys.argv.(1)) then (
+    eprintf "Usage: lvs guest.img\n";
+    exit 1
+  );
+
+  let h = Guestfs.create () in
+  Guestfs.add_drive h Sys.argv.(1);
+  Guestfs.launch h;
+  Guestfs.wait_ready h;
+
+  let pvs = Guestfs.pvs h in
+  printf "PVs found: [ %s ]\n" (String.concat "; " (Array.to_list pvs));
+
+  let vgs = Guestfs.vgs h in
+  printf "VGs found: [ %s ]\n" (String.concat "; " (Array.to_list vgs));
+
+  let lvs = Guestfs.lvs h in
+  printf "LVs found: [ %s ]\n" (String.concat "; " (Array.to_list lvs));
+
+  (* Helps to find any allocation errors. *)
+  Gc.compact ()