Unverified Commit f369e3a0 authored by Derek Nola's avatar Derek Nola Committed by GitHub
Browse files

Simplify reset playbook (#230) 



* Simplify reset playbook

Signed-off-by: default avatarDerek Nola <derek.nola@suse.com>

* Cleanup ansible_user kubeconfig

Signed-off-by: default avatarDerek Nola <derek.nola@suse.com>

---------

Signed-off-by: default avatarDerek Nola <derek.nola@suse.com>
parent dfc23c81

playbook/reset.yml

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@@ -3,5 +3,12 @@ 
  hosts: k3s_cluster

  gather_facts: true

  become: true

  roles:

    - role: reset
 
  tasks:

    - name: Run K3s Uninstall script

      ansible.builtin.command:

        cmd: k3s-uninstall.sh

        removes: /var/lib/rancher/k3s/*

    - name: Remove user kubeconfig

      ansible.builtin.file:

        path: /home/{{ ansible_user }}/.kube/config

        state: absent

roles/reset/tasks/main.yml

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---

- name: Clean previous failed runs of k3s-init

  # systemd builtin does not support reset-failed

  ansible.builtin.command: systemctl reset-failed k3s-init  # noqa: command-instead-of-module

  failed_when: false

  changed_when: false



- name: Disable services

  ansible.builtin.systemd:

    name: "{{ item }}"

    state: stopped

    enabled: false

  failed_when: false

  with_items:

    - k3s-init

    - k3s-server

    - k3s-agent



- name: Kill container shim

  ansible.builtin.command: pkill -9 -f "k3s/data/[^/]+/bin/containerd-shim-runc"

  register: pkill_containerd_shim_runc

  changed_when: "pkill_containerd_shim_runc.rc == 0"

  failed_when: false



- name: Umount k3s filesystems

  ansible.builtin.include_tasks: umount_with_children.yml

  with_items:

    - /run/k3s

    - /var/lib/kubelet

    - /run/netns

    - "{{ k3s_server_location }}"

  loop_control:

    loop_var: mounted_fs



- name: Remove service files, binaries, and data

  ansible.builtin.file:

    name: "{{ item }}"

    state: absent

  with_items:

    - /usr/local/bin/k3s

    - "{{ systemd_dir }}/k3s-server.service"

    - "{{ systemd_dir }}/k3s-agent.service"

    - /etc/rancher/k3s

    - /var/lib/kubelet

    - /var/lib/rancher/k3s

    - "{{ k3s_server_location }}"



- name: Systemd daemon reload

  ansible.builtin.systemd:

    daemon_reload: true

roles/reset/tasks/umount_with_children.yml

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---

- name: Get the list of mounted filesystems

  ansible.builtin.shell: set -o pipefail && cat /proc/mounts | awk '{ print $2}' | grep -E "^{{ mounted_fs }}"

  register: get_mounted_filesystems

  args:

    executable: /bin/bash

  failed_when: false

  changed_when: get_mounted_filesystems.stdout | length > 0

  check_mode: false



- name: Umount filesystem

  ansible.posix.mount:

    path: "{{ item }}"

    state: unmounted

  with_items:

    "{{ get_mounted_filesystems.stdout_lines | reverse | list }}"