Only cordon Ready nodes

roles/kubernetes/master/tasks/pre-upgrade.yml

@@ -93,3 +93,5 @@
   delegate_to: "{{item}}"
   with_items: "{{groups['etcd']}}"
   when: needs_etcd_migration|bool
+  notify: "Master | reload kubelet"
+

roles/upgrade/post-upgrade/tasks/main.yml

@@ -3,3 +3,4 @@
 - name: Uncordon node
   command: "{{ bin_dir }}/kubectl uncordon {{ ansible_hostname }}"
   delegate_to: "{{ groups['kube-master'][0] }}"
+  when: needs_cordoning|default(false)

roles/upgrade/pre-upgrade/tasks/main.yml

 ---
+- name: See if node is in ready state
+  command: "kubectl get nodes | grep {{ inventory_hostname }}"
+  register: kubectl_nodes
+  ignore_errors: true
+
+- set_fact:
+    needs_cordoning: >-
+      {% if " Ready" in kubectl_nodes.stdout %}
+      true
+      {% else %}
+      false
+      {% endif %}
 
 - name: Cordon node
   command: "{{ bin_dir }}/kubectl cordon {{ ansible_hostname }}"
   delegate_to: "{{ groups['kube-master'][0] }}"
+  when: needs_cordoning
 
 - name: Drain node
   command: >-
@@ -13,6 +26,4 @@
       --timeout {{ drain_timeout }}
       --delete-local-data {{ ansible_hostname }}
   delegate_to: "{{ groups['kube-master'][0] }}"
-
-- name: Sleep for grace period for draining
-  pause: seconds=30
+  when: needs_cordoning