2:26 a.m.
---
Diff to v2:
* Added copyright + license header
* Fixed the nits
Makefile.am | 3 +-
configure.ac | 1 +
examples/lxcconvert/Makefile.am | 18 +++++
examples/lxcconvert/virt-lxc-convert | 127 +++++++++++++++++++++++++++++++++++
4 files changed, 148 insertions(+), 1 deletion(-)
create mode 100644 examples/lxcconvert/Makefile.am
create mode 100644 examples/lxcconvert/virt-lxc-convert
diff --git a/Makefile.am b/Makefile.am
index b961c0e..abc5a2f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -23,7 +23,8 @@ SUBDIRS = . gnulib/lib include src daemon tools docs gnulib/tests \
tests po examples/object-events examples/hellolibvirt \
examples/dominfo examples/domsuspend examples/apparmor \
examples/xml/nwfilter examples/openauth examples/systemtap \
- tools/wireshark examples/dommigrate
+ tools/wireshark examples/dommigrate \
+ examples/lxcconvert
ACLOCAL_AMFLAGS = -I m4
diff --git a/configure.ac b/configure.ac
index 368d094..710cb71 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2742,6 +2742,7 @@ AC_CONFIG_FILES([\
examples/hellolibvirt/Makefile \
examples/systemtap/Makefile \
examples/xml/nwfilter/Makefile \
+ examples/lxcconvert/Makefile \
tools/wireshark/Makefile \
tools/wireshark/src/Makefile])
AC_OUTPUT
diff --git a/examples/lxcconvert/Makefile.am b/examples/lxcconvert/Makefile.am
new file mode 100644
index 0000000..09cf5d9
--- /dev/null
+++ b/examples/lxcconvert/Makefile.am
@@ -0,0 +1,18 @@
+## Copyright (C) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
+##
+## This library is free software; you can redistribute it and/or
+## modify it under the terms of the GNU Lesser General Public
+## License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+##
+## This library 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
+## Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public
+## License along with this library. If not, see
+## <http://www.gnu.org/licenses/>;.
+
+EXTRA_DIST= \
+ virt-lxc-convert
diff --git a/examples/lxcconvert/virt-lxc-convert b/examples/lxcconvert/virt-lxc-convert
new file mode 100644
index 0000000..7220153
--- /dev/null
+++ b/examples/lxcconvert/virt-lxc-convert
@@ -0,0 +1,127 @@
+#!/bin/sh
+# lxc_native.c: LXC native configuration import
+#
+# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library. If not, see
+# <http://www.gnu.org/licenses/>;.
+#
+# Author: Cedric Bosdonnat <cbosdonnat(a)suse.com>
+
+handler_cleanup()
+{
+ if test "$conf_dir"; then
+ # Remove the temporary config
+ rm -r "$conf_dir"
+ fi
+}
+trap handler_cleanup INT EXIT
+
+show_help()
+{
+ cat << EOF
+$0 /path/to/lxc/config/file
+
+Wrapper around virsh domxml-from-native to ease conversion of LXC
+containers configuration to libvirt domain XML.
+EOF
+}
+
+if test $# != 1; then
+ show_help
+ exit 1
+fi
+
+if test "$1" = "--help" || test "$1" = "-h";
then
+ show_help
+ exit $?
+fi
+
+conf=$1
+
+conf_dir=$(mktemp --tmpdir -d virt-lxc-convert-XXX)
+conf_new=$conf_dir/config
+
+cp "$conf" "$conf_new"
+
+# Do we have lxc.mount, and is it pointing to a readable file?
+fstab=$(sed -n '/lxc.mount[[:space:]]*=/ s/[[:space:]]*=[[:space:]]*/=/p' \
+ "$conf_new" | cut -f 2 -d '=')
+if test -r "$fstab"; then
+ sed 's/^lxc.mount[[:space:]]*=.*$//' "$conf_new"
>"${conf_new}.tmp"
+ mv "${conf_new}.tmp" "${conf_new}"
+ sed 's/^\([^#]\)/lxc.mount.entry = \1/' "$fstab"
>>"${conf_new}"
+fi
+
+memory=$(free | sed -n '/Mem:/s/ \+/ /gp' | cut -f 2 -d ' ')
+default_tmpfs="size=$((memory/2))"
+
+# Do we have tmpfs without size param?
+lineno=0
+while read line; do
+ lineno=$(expr $lineno + 1)
+ has_rel_size=false
+ case $line in
+ lxc.mount.entry[[:space:]]*=[[:space:]]*tmpfs[[:space:]]*)
+ is_tmpfs=true
+ ;;
+ *)
+ is_tmpfs=false
+ ;;
+ esac
+
+ # We only care about tmpfs mount entries here
+ if ! $is_tmpfs; then
+ continue
+ fi
+
+ case $line in
+ *size=[0-9][0-9]*%*)
+ has_rel_size=true
+ has_size=true
+ ;;
+ *size=*)
+ has_size=true
+ ;;
+ *)
+ has_size=false
+ ;;
+ esac
+
+ # Add the default size here (50%) if no size is given
+ if ! $has_size; then
+
last_option_match="\([[:space:]]*[0-9][[:space:]]*[0-9][::space::]*$\)"
+ sed "${lineno}s/$last_option_match/,$default_tmpfs\1/" \
+ "$conf_new" >"${conf_new}.tmp"
+ mv "${conf_new}.tmp" "${conf_new}"
+ fi
+
+ # Convert relative sizes
+ if $has_rel_size; then
+ percent=$(echo "$line" | sed
's/.*size=\([0-9][0-9]*\)%.*/\1/')
+ size="$((memory*percent/100))"
+ sed "${lineno}s/size=[0-9]*%/size=${size}/" \
+ "$conf_new" >"${conf_new}.tmp"
+ mv "${conf_new}.tmp" "${conf_new}"
+ fi
+done < "$conf_new"
+
+# Do we have any memory limit set?
+mem_limit=$(grep 'lxc.cgroup.memory.limit_in_bytes[[:space:]]*=' $conf_new)
+if test -z "$mem_limit"; then
+ echo "lxc.cgroup.memory.limit_in_bytes = $memory" >>
"$conf_new"
+fi
+
+virsh -c lxc:/// domxml-from-native lxc-tools $conf_new
+exit $?
--
1.8.4.5