Respect kube_override_hostname during removal/upgrade (#6347)

* respect kube_override_hostname during removal/upgrade

* Use hostvars in loop

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

 ---
 - name: Delete node
-  command: "{{ bin_dir }}/kubectl delete node {{ inventory_hostname }}"
+  command: "{{ bin_dir }}/kubectl delete node {{ kube_override_hostname|default(inventory_hostname) }}"
   delegate_to: "{{ groups['kube-master']|first }}"
   ignore_errors: yes

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

 ---
 - name: cordon-node | Mark all nodes as unschedulable before drain
   command: >-
-    {{ bin_dir }}/kubectl cordon {{ item }}
+    {{ bin_dir }}/kubectl cordon {{ hostvars[item]['kube_override_hostname']|default(item) }}
   with_items:
     - "{{ node.split(',') | default(groups['kube-node']) }}"
   failed_when: false
@@ -16,7 +16,7 @@
       --ignore-daemonsets
       --grace-period {{ drain_grace_period }}
       --timeout {{ drain_timeout }}
-      --delete-local-data {{ item }}
+      --delete-local-data {{ hostvars[item]['kube_override_hostname']|default(item) }}
   with_items:
     - "{{ node.split(',') | default(groups['kube-node']) }}"
   failed_when: false

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

 ---
 - name: Uncordon node
-  command: "{{ bin_dir }}/kubectl --kubeconfig /etc/kubernetes/admin.conf uncordon {{ inventory_hostname }}"
+  command: "{{ bin_dir }}/kubectl --kubeconfig /etc/kubernetes/admin.conf uncordon {{ kube_override_hostname|default(inventory_hostname) }}"
   delegate_to: "{{ groups['kube-master'][0] }}"
   when:
     - needs_cordoning|default(false)

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

@@ -3,7 +3,7 @@
 # Node NotReady: type = ready, status = Unknown
 - name: See if node is in ready state
   shell: >-
-    {{ bin_dir }}/kubectl get node {{ inventory_hostname }}
+    {{ bin_dir }}/kubectl get node {{ kube_override_hostname|default(inventory_hostname) }}
     -o jsonpath='{ range .status.conditions[?(@.type == "Ready")].status }{ @ }{ end }'
   register: kubectl_node_ready
   delegate_to: "{{ groups['kube-master'][0] }}"
@@ -14,7 +14,7 @@
 # else unschedulable key doesn't exist
 - name: See if node is schedulable
   shell: >-
-    {{ bin_dir }}/kubectl get node {{ inventory_hostname }}
+    {{ bin_dir }}/kubectl get node {{ kube_override_hostname|default(inventory_hostname) }}
     -o jsonpath='{ .spec.unschedulable }'
   register: kubectl_node_schedulable
   delegate_to: "{{ groups['kube-master'][0] }}"
@@ -31,7 +31,7 @@
       {%- endif %}
 
 - name: Cordon node
-  command: "{{ bin_dir }}/kubectl cordon {{ inventory_hostname }}"
+  command: "{{ bin_dir }}/kubectl cordon {{ kube_override_hostname|default(inventory_hostname) }}"
   delegate_to: "{{ groups['kube-master'][0] }}"
   when: needs_cordoning
 
@@ -61,7 +61,7 @@
     --ignore-daemonsets
     --grace-period {{ drain_grace_period }}
     --timeout {{ drain_timeout }}
-    --delete-local-data {{ inventory_hostname }}
+    --delete-local-data {{ kube_override_hostname|default(inventory_hostname) }}
     {% if drain_pod_selector %}--pod-selector '{{ drain_pod_selector }}'{% endif %}
   delegate_to: "{{ groups['kube-master'][0] }}"
   when: