Fix setting node label if kube_override_hostname is defined (#6557)

roles/kubernetes/node-label/tasks/main.yml

@@ -40,7 +40,7 @@
 
 - name: Set label to node
   command: >-
-      {{ bin_dir }}/kubectl label node {{ inventory_hostname }} {{ item }} --overwrite=true
+      {{ bin_dir }}/kubectl label node {{ kube_override_hostname | default(inventory_hostname) }} {{ item }} --overwrite=true
   loop: "{{ role_node_labels + inventory_node_labels }}"
   delegate_to: "{{ groups['kube-master'][0] }}"
   changed_when: false