Rewrite virt-sysprep.

1 files changed, 51 insertions, 0 deletions

diff --git a/sysprep/sysprep_operation_ssh_hostkeys.ml b/sysprep/sysprep_operation_ssh_hostkeys.ml
new file mode 100644
index 00000000..8da405b4
--- /dev/null
+++ b/sysprep/sysprep_operation_ssh_hostkeys.ml
@@ -0,0 +1,51 @@
+(* virt-sysprep
+ * Copyright (C) 2012 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *)
+
+open Sysprep_operation
+
+module G = Guestfs
+
+let ssh_hostkeys_perform g root =
+  let typ = g#inspect_get_type root in
+  if typ <> "windows" then (
+    let files = g#glob_expand "/etc/ssh/*_host_*" in
+    Array.iter g#rm files;
+    []
+  )
+  else []
+
+let ssh_hostkeys_op = {
+  name = "ssh-hostkeys";
+  pod_description = "\
+Remove the SSH host keys in the guest.
+
+The SSH host keys are regenerated (differently) next time the guest is
+booted.
+
+If, after cloning, the guest gets the same IP address, ssh will give
+you a stark warning about the host key changing:
+
+ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+ @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
+ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!";
+  extra_args = [];
+  perform = ssh_hostkeys_perform;
+}
+
+let () = register_operation ssh_hostkeys_op