Merge pull request #2922 from riverzhang/remove-node

Add run_once to remove-node

roles/remove-node/post-remove/tasks/main.yml

@@ -4,5 +4,6 @@
   command: kubectl delete node {{ item }}
   with_items:
     - "{{ groups['kube-node'] }}"
-  delegate_to: "{{ groups['kube-master'][0] }}"
+  delegate_to: "{{ groups['kube-master']|first }}"
+  run_once: true
   ignore_errors: yes

roles/remove-node/pre-remove/tasks/main.yml

@@ -11,5 +11,6 @@
   with_items:
     - "{{ groups['kube-node'] }}"
   failed_when: false
-  delegate_to: "{{ groups['kube-master'][0] }}"
+  delegate_to: "{{ groups['kube-master']|first }}"
+  run_once: true
   ignore_errors: yes