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



On Thu, May 10, 2012 at 11:18:22PM +0800, Wanlong Gao wrote:
> Remove blkid tab cache in the guest.
> 
> Signed-off-by: Wanlong Gao <gaowanlong 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

Looks fine.  I'll push it shortly, thanks!

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine.  Supports Linux and Windows.
http://et.redhat.com/~rjones/virt-df/


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