omni-ansible/tasks/centos-8-kernelplus.yml

---
# This is a workaround for Cent8 removing drivers from the kernel that are required for
# my RAID cards to work. Kernel-Plus includes the drivers, thus one of the first things
# we need to do is to replace the kernel before doing an update.
- name: Replace default kernel with kernel-plus on CentOS 8
  when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "8"
  become: true
  block:
    - name: Disable kernel installation from base repository
      lineinfile:
        path: /etc/yum.repos.d/CentOS-Base.repo
        line: exclude=kernel*

    - name: Enable Centos-plus repository
      lineinfile:
        path: /etc/yum.repos.d/CentOS-centosplus.repo
        regexp: "#?enabled=(0|1)"
        line: enabled=1

    - name: Enable kernel installation from plus repository
      lineinfile:
        path: /etc/yum.repos.d/CentOS-centosplus.repo
        line: includepkgs=kernel*

    # Note that the order of the next four tasks is very specific and intentional
    # See this wiki page: https://plone.lucidsolutions.co.nz/linux/centos/7/install-centos-plus-kernel-kernel-plus/view
    - name: Install kernel-plus
      dnf:
        state: "{{ _runtime_update_state }}"
        name:
          - kernel-plus
          - kernel-plus-devel
      register: _dnf_kernel_plus

    - name: Uninstall kernel-tools
      dnf:
        name:
          - kernel-tools
          - kernel-tools-libs
        state: absent

    - name: Install kernel-plus-tools
      dnf:
        state: "{{ _runtime_update_state }}"
        name:
          - kernel-plus-tools
          - kernel-plus-tools-libs

    - name: Reboot into new kernel
      when: _dnf_kernel_plus.changed is true and "centos.plus" not in ansible_kernel
      reboot:
        reboot_timeout: 3600

    - name: Uninstall kernel
      dnf:
        state: absent
        name:
          - kernel
          - kernel-devel
          - kernel-core
          - kernel-modules