Adjust endpoints for kube-proxy,controller,scheduler to proper ip (#5150)

Change-Id: I5aa009358bee7035922b5a10327997e47c9ba434

roles/kubernetes/master/tasks/kubeadm-fix-apiserver.yml

@@ -0,0 +1,13 @@
+---
+- name: Update server field in component kubeconfigs
+  lineinfile:
+    dest: "{{ kube_config_dir }}/{{ item }}.conf"
+    regexp: 'server:'
+    line: '    server: {{ kube_apiserver_endpoint }}'
+    backup: yes
+  with_items:
+    - controller-manager
+    - scheduler
+  when:
+    - not loadbalancer_apiserver is defined
+  notify: "Master | Restart kube-{{ item }}"