1 files changed, 44 insertions, 0 deletions
diff --git a/main/lxc/setup-lxc-template b/main/lxc/setup-lxc-template
new file mode 100755
index 0000000000..f8e9fe4a39
--- /dev/null
+++ b/main/lxc/setup-lxc-template
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# create a lxc template
+PROG=$0
+
+usage() {
+	echo "usage: $PROG [-fhq] [-o OUTFILE] [-X repository] [packages...]"
+	exit $1
+}
+
+clean_exit() {
+	rm -rf "$tmpdir"
+	exit $1
+}
+
+outfile=template.tar.gz
+fakeroot=
+repos=
+while getopts "ho:qX:" opt; do
+	case "$opt" in
+	h) usage 0;;
+	o) outfile="$OPTARG";;
+	q) quiet=-q;;
+	X) repos="$repos --repository $OPTARG";;
+	esac
+done
+shift $(( $OPTIND - 1 ))
+
+if [ "$(whoami)" != "root" ]; then
+	echo "Warning: you need root permissions" >&2
+fi
+
+tmpdir=$(mktemp -d ${TMPDIR:-/tmp}/setup-lxc-template-XXXXXX)
+
+apk add --root "$tmpdir" --initdb --keys-dir /etc/apk/keys -U \
+	$quiet ${repos:---repositories-file /etc/apk/repositories} \
+	alpine-base $@ \
+	|| clean_exit 1
+
+tar -czf "$outfile" -C "$tmpdir" $(ls "$tmpdir") || clean_exit 1
+
+[ -z "$quiet" ] && echo "Created $outfile"
+clean_exit 0
+