ansible-role-k3s/tasks/teardown/drain-and-remove-nodes.yml

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---
- name: Check if kubectl exists
stat:
path: "{{ k3s_install_dir }}/kubectl"
register: k3s_check_kubectl
- name: Clean up nodes that are in an uninstalled state
block:
- name: Gather a list of nodes
command: "{{ k3s_install_dir }}/kubectl get nodes"
changed_when: false
failed_when: false
delegate_to: "{{ k3s_control_delegate }}"
run_once: true
register: kubectl_get_nodes_result
- name: Ensure uninstalled nodes are drained
command: "{{ k3s_install_dir }}/kubectl drain {{ item }} --ignore-daemonsets"
delegate_to: "{{ k3s_control_delegate }}"
run_once: true
when: item in kubectl_get_nodes_result.stdout
and hostvars[item].k3s_cluster_state is defined
and hostvars[item].k3s_cluster_state == 'uninstalled'
loop: "{{ play_hosts }}"
- name: Ensure uninstalled nodes are removed
command: "{{ k3s_install_dir }}/kubectl delete node {{ item }}"
delegate_to: "{{ k3s_control_delegate }}"
run_once: true
when: item in kubectl_get_nodes_result.stdout
and hostvars[item].k3s_cluster_state is defined
and hostvars[item].k3s_cluster_state == 'uninstalled'
loop: "{{ play_hosts }}"
when: k3s_check_kubectl.stat.exists is defined
and k3s_check_kubectl.stat.exists