[Libguestfs] [PATCH] v2v: remove MAC address related information

[Tomáš Golembiovský]

Remove ties to MAC address because it is likely to change.

The code is based on operations net-hwaddr and udev-persistent-net of
virt-sysprep.

Signed-off-by: Tomáš Golembiovský <tgolembi at redhat.com>
---
 v2v/convert_linux.ml | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/v2v/convert_linux.ml b/v2v/convert_linux.ml
index b273785e6..8bba74786 100644
--- a/v2v/convert_linux.ml
+++ b/v2v/convert_linux.ml
@@ -88,6 +88,8 @@ let convert (g : G.guestfs) inspect source output rcaps =
     unconfigure_kudzu ();
     unconfigure_prltools ();
 
+    sysprep_networking();
+
     let kernel = configure_kernel () in
 
     if output#keep_serial_console then (
@@ -452,6 +454,21 @@ let convert (g : G.guestfs) inspect source output rcaps =
             msg
     )
 
+  and sysprep_networking () =
+    if family = `RHEL_family then
+      (* Remove HWADDR=... entries from ifcfg-* files. *)
+      let paths = g#aug_match
+        "/files/etc/sysconfig/network-scripts/*[label() =~ glob('ifcfg-*')]/HWADDR" in
+      let paths = Array.to_list paths in
+      if paths <> [] then (
+        List.iter (fun path -> ignore (g#aug_rm path)) paths;
+        g#aug_save ()
+      );
+    (* Remove persistent udev rules. *)
+    try g#rm "/etc/udev/rules.d/70-persistent-net.rules"
+    with G.Error _ -> ()
+
+
   and configure_kernel () =
     (* Previously this function would try to install kernels, but we
      * don't do that any longer.
-- 
2.16.1