Fix

roles/kubernetes/secrets/templates/openssl.conf.j2

@@ -36,7 +36,7 @@ IP.{{ counter["ip"] }} = {{ hostvars[host]['ip'] | default(hostvars[host]['ansib
 {% if kube_apiserver_ip is defined  %}
 IP.{{ counter["ip"] }} = {{ kube_apiserver_ip }}{{ increment(counter, 'ip') }}
 {% endif %}
-{% if loadbalancer_apiserver.address is defined  %}
+{% if loadbalancer_apiserver is defined and loadbalancer_apiserver.address is defined  %}
 IP.{{ counter["ip"] }} = {{ loadbalancer_apiserver.address }}{{ increment(counter, 'ip') }}
 {% endif %}
 {% if supplementary_addresses_in_ssl_keys is defined %}