inventory hostname for cordoning/uncordoning

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

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

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

@@ -14,7 +14,7 @@
       {% endif %}
 
 - name: Cordon node
-  command: "{{ bin_dir }}/kubectl cordon {{ ansible_hostname }}"
+  command: "{{ bin_dir }}/kubectl cordon {{ inventory_hostname }}"
   delegate_to: "{{ groups['kube-master'][0] }}"
   when: needs_cordoning
 
@@ -25,6 +25,6 @@
       --ignore-daemonsets
       --grace-period {{ drain_grace_period }}
       --timeout {{ drain_timeout }}
-      --delete-local-data {{ ansible_hostname }}
+      --delete-local-data {{ inventory_hostname }}
   delegate_to: "{{ groups['kube-master'][0] }}"
   when: needs_cordoning