Clear admin kubeconfig when rotating certs (#1772)

* Clear admin kubeconfig when rotating certs

* Update main.yml

roles/kubernetes/master/handlers/main.yml

@@ -46,5 +46,16 @@
   delay: 6
 
 - name: Master | set secret_changed
+  command: /bin/true
+  notify:
+    - Master | set secret_changed to true
+    - Master | clear kubeconfig for root user
+
+- name: Master | set secret_changed to true
   set_fact:
     secret_changed: true
+
+- name: Master | clear kubeconfig for root user
+  file:
+    path: /root/.kube/config
+    state: absent