fix for resolvconf in ubuntu18

roles/kubernetes/node/tasks/facts.yml

@@ -8,3 +8,14 @@
     standalone_kubelet: >-
       {%- if inventory_hostname in groups['kube-master'] and inventory_hostname not in groups['kube-node'] -%}true{%- else -%}false{%- endif -%}
     kubelet_cgroup_driver_detected: "{{ docker_cgroup_driver_result.stdout }}"
+
+- name: os specific vars
+  include_vars: "{{ item }}"
+  with_first_found:
+    - files:
+        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_version|lower|replace('/', '_') }}.yml"
+        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_release }}.yml"
+        - "{{ ansible_distribution|lower }}-{{ ansible_distribution_major_version|lower|replace('/', '_') }}.yml"
+        - "{{ ansible_distribution|lower }}.yml"
+        - "{{ ansible_os_family|lower }}.yml"
+      skip: true