fix error in metadata redirect

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

lib/metadata.sh

@@ -15,6 +15,7 @@ function metadata_config() {
 
   VENDOR_DATA=$(
   cat <<END | sed -e ':a;N;$!ba;s/\n/\\n/g' | sed -e 's/"/\\"/g'
+#cloud-config
 users:
   - name: syonad
     lock_passwd: true
@@ -43,11 +44,11 @@ END
 }
 
 function metadata_start() {
-    vpc="${1}"
-    ip="${2}"
-    port="${3}"
-    vm_name="${4}"
-    ssh_key="${5}"
+    local vpc="${1}"
+    local ip="${2}"
+    local port="${3}"
+    local vm_name="${4}"
+    local ssh_key="${5}"
 
 
     metadata_config "${vm_name}" "${vpc}_${ip}-${port}" "${ssh_key}"