groups:
- system:nodes
{% endfor %}
-{% for server in yaml.workers %}
+{% if 'workers' in yaml %}{% for server in yaml.workers %}
- document_name: kubelet-{{ server.name }}
common_name: system:node:{{ server.name }}
hosts:
- {{server.pxe}}
groups:
- system:nodes
-{% endfor %}
+{% endfor %}{% endif %}
- document_name: scheduler
description: Service certificate for Kubernetes scheduler
common_name: system:kube-scheduler