[Libguestfs] [PATCH V2] sysprep: remove blkid tab in the guest

[Wanlong Gao]

Remove blkid tab cache in the guest.

Signed-off-by: Wanlong Gao <gaowanlong at cn.fujitsu.com>
---
 sysprep/Makefile.am                    |    2 ++
 sysprep/sysprep_operation_blkid_tab.ml |   55 ++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 sysprep/sysprep_operation_blkid_tab.ml

diff --git a/sysprep/Makefile.am b/sysprep/Makefile.am
index d82e5ae..ff67f66 100644
--- a/sysprep/Makefile.am
+++ b/sysprep/Makefile.am
@@ -35,6 +35,7 @@ SOURCES = \
 	sysprep_operation.ml \
 	sysprep_operation.mli \
 	sysprep_operation_bash_history.ml \
+	sysprep_operation_blkid_tab.ml \
 	sysprep_operation_cron_spool.ml \
 	sysprep_operation_dhcp_client_state.ml \
 	sysprep_operation_dhcp_server_state.ml \
@@ -68,6 +69,7 @@ OBJECTS = \
 	utils.cmx \
 	sysprep_operation.cmx \
 	sysprep_operation_bash_history.cmx \
+	sysprep_operation_blkid_tab.cmx \
 	sysprep_operation_cron_spool.cmx \
 	sysprep_operation_dhcp_client_state.cmx \
 	sysprep_operation_dhcp_server_state.cmx \
diff --git a/sysprep/sysprep_operation_blkid_tab.ml b/sysprep/sysprep_operation_blkid_tab.ml
new file mode 100644
index 0000000..30bd9a7
--- /dev/null
+++ b/sysprep/sysprep_operation_blkid_tab.ml
@@ -0,0 +1,55 @@
+(* virt-sysprep
+ * Copyright (C) 2012 FUJITSU LIMITED
+ *
+ * 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
+open Sysprep_gettext.Gettext
+
+module G = Guestfs
+
+let blkid_tab_perform g root =
+  let typ = g#inspect_get_type root in
+  if typ <> "windows" then (
+    let files = [ "/var/run/blkid.tab";
+                  "/var/run/blkid.tab.old";
+                  "/etc/blkid/blkid.tab";
+                  "/etc/blkid/blkid.tab.old";
+                  "/etc/blkid.tab";
+                  "/etc/blkid.tab.old";
+                  "/dev/.blkid.tab";
+                  "/dev/.blkid.tab.old"; ] in
+    List.iter (
+      fun file ->
+        if not (g#is_symlink file) then (
+          try g#rm file with G.Error _ -> ()
+        )
+    ) files;
+
+    []
+  )
+  else []
+
+let blkid_tab_op = {
+  name = "blkid-tab";
+  enabled_by_default = true;
+  heading = s_"Remove blkid tab in the guest";
+  pod_description = None;
+  extra_args = [];
+  perform = blkid_tab_perform;
+}
+
+let () = register_operation blkid_tab_op
-- 
1.7.10