Add kubeadm controlplaneEndpoint

Nginx LB(default)
Other LB by kubeadm controlplane

roles/kubernetes/master/tasks/kubeadm-setup.yml

@@ -91,6 +91,12 @@
     kubeadmConfig_api_version: v1alpha2
   when: kubeadm_output.stdout|version_compare('v1.11.0', '>=')
 
+# Nginx LB(default), If kubeadm_config_api_fqdn is defined, use other LB by kubeadm controlPlaneEndpoint.
+- name: set kubeadm_config_api_fqdn define
+  set_fact:
+    kubeadm_config_api_fqdn: "{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}"
+  when: loadbalancer_apiserver is defined
+
 - name: kubeadm | Create kubeadm config
   template:
     src: "kubeadm-config.{{ kubeadmConfig_api_version }}.yaml.j2"