---
# Copyright (C) 2020 Roman Danko
# SPDX-License-Identifier: GPL-3.0-or-later

- name: (CentOS 7) Tasks for standard kernel
  when:
    - wireguard_centos7_installation_method == "standard"
  block:
    - name: (CentOS 7) Install EPEL & ELRepo repository
      ansible.builtin.yum:
        name:
          - epel-release
          - https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
        update_cache: "{{ wireguard_update_cache }}"

    - name: (CentOS 7) Install yum-plugin-elrepo
      ansible.builtin.yum:
        name: yum-plugin-elrepo
        update_cache: "{{ wireguard_update_cache }}"

    - name: (CentOS 7) Install WireGuard packages
      ansible.builtin.yum:
        name:
          - "kmod-wireguard"
          - "wireguard-tools"
        state: present
      register: wireguard__centos7_yum_updates

    - name: (CentOS 7) Reboot Instance to update kernel
      when:
        - wireguard_centos7_standard_reboot
        - wireguard__centos7_yum_updates.changed
      ansible.builtin.reboot:
        reboot_timeout: "{{ wireguard_centos7_standard_reboot_timeout }}"

- name: (CentOS 7) Ensure WireGuard DKMS package is removed
  ansible.builtin.yum:
    name:
      - "wireguard-dkms"
    state: absent

- name: (CentOS 7 - kernel-plus) Tasks for kernel-plus
  when:
    - wireguard_centos7_installation_method == "kernel-plus"
  block:
    - name: (CentOS 7) Install EPEL repository & yum utils
      ansible.builtin.yum:
        name:
          - epel-release
          - yum-utils
        update_cache: "{{ wireguard_update_cache }}"

    - name: (CentOS 7 - kernel-plus) Enable CentosPlus repo
      ansible.builtin.command: yum-config-manager --setopt=centosplus.includepkgs=kernel-plus --enablerepo=centosplus --save
      changed_when: false

    - name: (CentOS 7 - kernel-plus) Update to kernel-plus
      ansible.builtin.replace:
        path: /etc/sysconfig/kernel
        regexp: '^DEFAULTKERNEL=kernel$'
        replace: 'DEFAULTKERNEL=kernel-plus'

    - name: (CentOS 7 - kernel-plus) Install WireGuard packages
      ansible.builtin.yum:
        name:
          - "kernel-plus"
          - "wireguard-tools"
        state: present
      register: wireguard__centos7_yum_updates

    - name: (CentOS 7 - kernel-plus) Reboot Instance to update kernel
      when:
        - wireguard_centos7_kernel_plus_reboot
        - wireguard__centos7_yum_updates.changes is defined
        - wireguard__centos7_yum_updates.changes.installed|flatten|select('regex', '^kernel-plus$') is any
      ansible.builtin.reboot:
        reboot_timeout: "{{ wireguard_centos7_kernel_plus_reboot_timeout }}"