kubectl commands on node must use short name (#220)

Co-authored-by: Igor Tretyak <itretyak@ptsecurity.com>

tasks/ensure_drain_and_remove_nodes.yml

@@ -26,7 +26,7 @@
     - name: Ensure uninstalled nodes are drained # noqa no-changed-when
       ansible.builtin.command:
         cmd: >-
-          {{ k3s_install_dir }}/kubectl drain {{ item }}
+          {{ k3s_install_dir }}/kubectl drain {{ hostvars[item].ansible_hostname }}
             --ignore-daemonsets
             --{{ k3s_drain_command[ansible_version.string is version_compare('1.22', '>=')] }}
             --force
@@ -42,7 +42,7 @@
 
     - name: Ensure uninstalled nodes are removed # noqa no-changed-when
       ansible.builtin.command:
-        cmd: "{{ k3s_install_dir }}/kubectl delete node {{ item }}"
+        cmd: "{{ k3s_install_dir }}/kubectl delete node {{ hostvars[item].ansible_hostname }}"
       delegate_to: "{{ k3s_control_delegate }}"
       run_once: true
       when: