fix 0090-etchosts (#7634)

roles/kubernetes/preinstall/tasks/0090-etchosts.yml

@@ -5,7 +5,8 @@
       {% for item in (groups['k8s_cluster'] + groups['etcd']|default([]) + groups['calico_rr']|default([]))|unique -%}
       {% if 'access_ip' in hostvars[item] or 'ip' in hostvars[item] or 'ansible_default_ipv4' in hostvars[item] -%}
       {{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item]['ansible_default_ipv4']['address'])) }}
-      {%- if ('ansible_hostname' in hostvars[item] and item != hostvars[item]['ansible_hostname']) %} {{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }} {{ hostvars[item]['ansible_hostname'] }}{% endif %} {{ item }}.{{ dns_domain }} {{ item }}
+      {%- if ('ansible_hostname' in hostvars[item] and item != hostvars[item]['ansible_hostname']) %} {{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }} {{ hostvars[item]['ansible_hostname'] }} {% else %} {{ item }}.{{ dns_domain }} {{ item }} {% endif %}
+
       {% endif %}
       {% endfor %}
   delegate_to: localhost