1 files changed, 102 insertions, 0 deletions
diff --git a/mcp/reclass/scripts/create-config-drive.sh b/mcp/reclass/scripts/create-config-drive.sh
new file mode 100755
index 000000000..cf87150fc
--- /dev/null
+++ b/mcp/reclass/scripts/create-config-drive.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# This will generate a openstack-style config drive image suitable for
+# use with cloud-init.  You may optionally pass in an ssh public key
+# (using the -k/--ssh-key option) and a user-data blog (using the
+# -u/--user-data option).
+
+usage () {
+	echo "usage: ${0##*/}: [--ssh-key <pubkey>] [--vendor-data <file>] [--user-data <file>] [--hostname <hostname>] <imagename>"
+}
+
+ARGS=$(getopt \
+	-o k:u:v:h: \
+	--long help,hostname:,ssh-key:,user-data:,vendor-data: -n ${0##*/} \
+	-- "$@")
+
+if [ $? -ne 0 ]; then
+	usage >&2
+	exit 2
+fi
+
+eval set -- "$ARGS"
+
+while :; do
+	case "$1" in
+		--help)
+			usage
+			exit 0
+			;;
+		-k|--ssh-key)
+			ssh_key="$2"
+			shift 2
+			;;
+		-u|--user-data)
+			user_data="$2"
+			shift 2
+			;;
+		-v|--vendor-data)
+			vendor_data="$2"
+			shift 2
+			;;
+		-h|--hostname)
+			hostname="$2"
+			shift 2
+			;;
+		--)	shift
+			break
+			;;
+	esac
+done
+
+config_image=$1
+shift
+
+if [ "$ssh_key" ] && [ -f "$ssh_key" ]; then
+	echo "adding pubkey from $ssh_key"
+	ssh_key_data=$(cat "$ssh_key")
+fi
+
+uuid=$(uuidgen)
+if ! [ "$hostname" ]; then
+	hostname="$uuid"
+fi
+
+trap 'rm -rf $config_dir' EXIT
+config_dir=$(mktemp -t -d configXXXXXX)
+
+if [ "$user_data" ] && [ -f "$user_data" ]; then
+	echo "adding user data from $user_data"
+	cp $user_data $config_dir/user-data
+else
+	touch $config_dir/user-data
+fi
+
+if [ "$vendor_data" ] && [ -f "$vendor_data" ]; then
+	echo "adding vendor data from $vendor_data"
+	cp $vendor_data $config_dir/vendor-data
+fi
+
+cat > $config_dir/meta-data <<-EOF
+instance-id: $uuid
+hostname: $hostname
+local-hostname: $hostname
+EOF
+
+if [ "$ssh_key_data" ]; then
+	cat >> $config_dir/meta-data <<-EOF
+	public-keys:
+	  - |
+	    $ssh_key_data
+	EOF
+fi
+
+#PS1="debug> " bash --norc
+
+echo "generating configuration image at $config_image"
+if ! mkisofs -o $config_image -V cidata -r -J --quiet $config_dir; then
+	echo "ERROR: failed to create $config_image" >&2
+	exit 1
+fi
+chmod a+r $config_image
+