diff --git a/kolla/image/build.py b/kolla/image/build.py
index bd3f75b9ca..09fa14288e 100644
--- a/kolla/image/build.py
+++ b/kolla/image/build.py
@@ -673,6 +673,7 @@ class KollaWorker(object):
                 env = jinja2.Environment(  # nosec: not used to render HTML
                     loader=jinja2.FileSystemLoader(template_path))
                 env.filters.update(self._get_filters())
+                env.globals.update(self._get_methods())
                 template = env.get_template(template_name)
             if self.include_header:
                 with open(self.include_header, 'r') as f: