use api server loadbalancer ip if external loadbalancer is used - this fixes the broken kube-router deployment

roles/kubespray-defaults/defaults/main.yaml

@@ -387,16 +387,14 @@ loadbalancer_apiserver_localhost: "{{ loadbalancer_apiserver is not defined }}"
 # applied if only external loadbalancer_apiserver is defined, otherwise ignored
 apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local"
 kube_apiserver_endpoint: |-
-  {% if not is_kube_master and loadbalancer_apiserver_localhost -%}
+  {% if loadbalancer_apiserver is defined and loadbalancer_apiserver.port is defined -%}
+       https://{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }}
+  {%- elif not is_kube_master and loadbalancer_apiserver_localhost -%}
        https://localhost:{{ nginx_kube_apiserver_port|default(kube_apiserver_port) }}
   {%- elif is_kube_master -%}
        https://{{ kube_apiserver_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_port }}
   {%- else -%}
-  {%-   if loadbalancer_apiserver is defined and loadbalancer_apiserver.port is defined -%}
-       https://{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }}
-  {%-   else -%}
        https://{{ first_kube_master }}:{{ kube_apiserver_port }}
-  {%-  endif -%}
   {%- endif %}
 kube_apiserver_insecure_endpoint: >-
   http://{{ kube_apiserver_insecure_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_insecure_port }}