Wanlong Gao
2012-Apr-24 07:23 UTC
[Libguestfs] [PATCH] sysprep: remove the cache of package manager
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
Richard W.M. Jones
2012-Apr-24 07:27 UTC
[Libguestfs] [PATCH] sysprep: remove the cache of package manager
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 > -- > 1.7.10ACK. 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/