Support deploy without configs in tests

TrivialFix

Change-Id: I974025e39ea104eba7227c03dfcfff3191cf20a6

kolla_mesos/cmd/deploy.py

@@ -198,7 +198,7 @@ class KollaWorker(object):
             zk.set(dest_node, json.dumps(extra))
             LOG.debug('Created "%s" node in zookeeper' % dest_node)
 
-            if 'config' in extra:
+            if proj in extra.get('config', {}):
                 for service in extra['config'][proj]:
                     LOG.debug('Current service is %s' % service)
                     # write the config files

tools/validate-config.py

@@ -78,10 +78,12 @@ def validate(filename, group, role, deps):
     mini_vars = {'cinder_volume_driver': 'lvm'}
     cnf = yaml.load(jinja_utils.jinja_render(conf_path, mini_vars))
     validate_command(filename, cnf['commands'][group][role], deps)
-    if role not in cnf['config'][group]:
-        print('WARN: no config for role %s in group %s' % (role, group))
-    else:
-        validate_config(cnf['config'][group][role])
+    if 'config' in cnf:
+        if role not in cnf['config'][group]:
+            logging.warning('No config for role %s in group %s' % (role,
+                                                                   group))
+        else:
+            validate_config(cnf['config'][group][role])
 
 
 def main():