Ansible - Upgrade CentOS 7 Kernel

upgrade-kernel.yml

- name: Add ELRepo
  yum:
    name: https://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
    state: latest
- name: Install latest mainline kernel
  yum:
    name: kernel-ml
    state: latest
    enablerepo: elrepo-kernel
- name: Remake grub config to pick up new kernel
  command: grub2-mkconfig -o /boot/grub2/grub.cfg
- name: Restart server to ensure configuration changes take hold
  shell: 'sleep 2 && shutdown -r now "Reboot triggered by Ansible" && sleep 5'
  async: 1
  poll: 0
  become: true
- name: Wait for the server to restart
  local_action:
    module: wait_for
      host={{ inventory_hostname }}
      port=22
      delay=10
  become: false