added bash completion to kubektl on kube nodes

ansible-5/roles/k3s/tasks/install.yml

@@ -8,6 +8,7 @@
     state: latest
   with_items:
     - curl
+    - bash-completion
 
 - name: Fetch k3s install script
   ansible.builtin.uri:
@@ -21,3 +22,8 @@
   ansible.builtin.shell:
     cmd: sh -s --
     stdin: "{{ k3s_installer.content }}"
+
+- name: Setup bash completion
+  ansible.builtin.shell:
+    cmd: "kubectl completion bash >/etc/bash_completion.d/kubectl"
+    creates: /etc/bash_completion.d/kubectl