[Libguestfs] [PATCH] sysprep: remove the cache of package manager
Richard W.M. Jones
rjones at redhat.com
Tue Apr 24 07:27:33 UTC 2012
On Tue, Apr 24, 2012 at 03:23:48PM +0800, Wanlong Gao wrote:
> Remove the cache of package manager like yum and apt.
>
> Signed-off-by: Wanlong Gao <gaowanlong at cn.fujitsu.com>
> ---
> sysprep/Makefile.am | 2 +
> sysprep/sysprep_operation_package_manager_cache.ml | 49 ++++++++++++++++++++
> 2 files changed, 51 insertions(+)
> create mode 100644 sysprep/sysprep_operation_package_manager_cache.ml
>
> diff --git a/sysprep/Makefile.am b/sysprep/Makefile.am
> index e4b7f7b..78b1fa1 100644
> --- a/sysprep/Makefile.am
> +++ b/sysprep/Makefile.am
> @@ -42,6 +42,7 @@ SOURCES = \
> sysprep_operation_logfiles.ml \
> sysprep_operation_mail_spool.ml \
> sysprep_operation_net_hwaddr.ml \
> + sysprep_operation_package_manager_cache.ml \
> sysprep_operation_random_seed.ml \
> sysprep_operation_rhn_systemid.ml \
> sysprep_operation_script.ml \
> @@ -69,6 +70,7 @@ OBJECTS = \
> sysprep_operation_logfiles.cmx \
> sysprep_operation_mail_spool.cmx \
> sysprep_operation_net_hwaddr.cmx \
> + sysprep_operation_package_manager_cache.ml \
> sysprep_operation_random_seed.cmx \
> sysprep_operation_rhn_systemid.cmx \
> sysprep_operation_script.cmx \
> diff --git a/sysprep/sysprep_operation_package_manager_cache.ml b/sysprep/sysprep_operation_package_manager_cache.ml
> new file mode 100644
> index 0000000..f70f310
> --- /dev/null
> +++ b/sysprep/sysprep_operation_package_manager_cache.ml
> @@ -0,0 +1,49 @@
> +(* 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
> +
> +module G = Guestfs
> +
> +let package_manager_cache_perform g root =
> + let packager = g#inspect_get_package_management root in
> + match packager with
> + | "yum" ->
> + let cache = g#glob_expand "/var/cache/yum/*" in
> + Array.iter (
> + fun dir ->
> + g#rm_rf dir
> + ) cache; []
> + | "apt" ->
> + let cache = g#glob_expand "/var/cache/apt/archives/*" in
> + Array.iter (
> + fun dir ->
> + g#rm_rf dir
> + ) cache; []
> + | _ -> (); []
> +
> +let package_manager_cache_op = {
> + name = "package-manager-cache";
> + enabled_by_default = true;
> + heading = "Remove the cache of package manager";
> + pod_description = None;
> + extra_args = [];
> + perform = package_manager_cache_perform;
> +}
> +
> +let () = register_operation package_manager_cache_op
> --
> 1.7.10
ACK. 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
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http://et.redhat.com/~rjones/virt-df/
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