Re: [Libguestfs] [PATCH v3 10/13] v2v: factor out opening and populating guestfs handle

Signed-off-by: Roman Kagan <rkagan(a)virtuozzo.com&gt; --- v2v/v2v.ml | 32 ++++++++++++++++++++------------ 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/v2v/v2v.ml b/v2v/v2v.ml index c28905d..23bd708 100644 --- a/v2v/v2v.ml +++ b/v2v/v2v.ml @@ -60,19 +60,9 @@ let rec main () = let overlays = create_overlays source.s_disks in let targets = init_targets overlays source output output_format in - (* Open the guestfs handle. *) message (f_"Opening the overlay"); - let g = new G.guestfs () in - g#set_identifier "v2v"; - if trace () then g#set_trace true; - if verbose () then g#set_verbose true; - g#set_network true; - List.iter ( - fun ({ov_overlay_file = overlay_file}) -> - g#add_drive_opts overlay_file - ~format:"qcow2" ~cachemode:"unsafe" ~discard:"besteffort" - ~copyonread:true - ) overlays; + let g = open_guestfs () in + populate_overlays g overlays; g#launch (); @@ -261,6 +251,24 @@ and init_targets overlays source output output_format = output#prepare_targets source targets +and open_guestfs () = + (* Open the guestfs handle. *) + let g = new G.guestfs () in + g#set_identifier "v2v"; + if trace () then g#set_trace true; + if verbose () then g#set_verbose true; + g#set_network true; + g + +and populate_overlays (g:G.guestfs) overlays = + (* Populate guestfs handle with qcow2 overlays. *) + List.iter ( + fun ({ov_overlay_file = overlay_file}) -> + g#add_drive_opts overlay_file + ~format:"qcow2" ~cachemode:"unsafe" ~discard:"besteffort" + ~copyonread:true + ) overlays + and inspect_source g root_choice = let roots = g#inspect_os () in let roots = Array.to_list roots in