Fix file injection

By enabling config drive in compute nodes.

Change-Id: Ia85b33f2c0a57702cb82c013d1f022c448e83d8f
Closes-Bug: #1533582

deployment_scripts/compute_post_deployment.py

@@ -168,6 +168,7 @@ def create_novacompute_conf(himn, username, password):
     template = '\n'.join([
         '[DEFAULT]',
         'compute_driver=xenapi.XenAPIDriver',
+        'force_config_drive=always',
         '[xenserver]',
         'connection_url=http://%s',
         'connection_username="%s"',