OS rolling update with traditional RH repo and external rpm (for driver)

os-rolling-update.yml

- hosts: nodes
  serial: "20%"
  
  vars: 
    drivers_packages:
    - https://trello-attachments.s3.amazonaws.com/5967300a3e4895c3daf46c6f/5a2e5675861820458e017fa1/04710232eef65ff68adb8587d158e3e0/kmod-hpvsa-1.2.16-114.rhel7u4.x86_64.rpm
  
    proxy_http: ''
    proxy_https: ''
  
  tasks:
    
  - name: update os
    yum: 
      name: "*" 
      state: latest
      update_cache: yes

  - name: update os
    yum: 
      name: "{{item}}" 
      state: latest
    with_items: "{{drivers_packages}}"
    when: drivers_packages|length != 0
    environment:
      http_proxy: "{{http_proxy}}"
      https_proxy: "{{https_proxy}}"

  - name: Check for reboot hint.
    shell: LAST_KERNEL=$(rpm -q --last kernel | awk 'NR==1{sub(/kernel-/,""); print $1}'); CURRENT_KERNEL=$(uname -r); if [ $LAST_KERNEL != $CURRENT_KERNEL ]; then echo 'reboot'; else echo 'no'; fi
    ignore_errors: true
    register: reboot_hint

  - name: Restart system
    shell: sleep 2 && shutdown -r now "Machine restart after update"
    when: reboot_hint.stdout.find("reboot") != -1
    register: rebooting
    async: 1
    poll: 0
    ignore_errors: true
    become: yes

  - set_fact:
      wait_for_host: "{{ ansible_host }}"

  - name: Wait for restart
    local_action:
      module: wait_for
        host="{{ wait_for_host }}"
        state=started
        delay=10
        timeout=600
        port="{{ ansible_port | default(ansible_ssh_port | default(22,boolean=True),boolean=True) }}"
    become: no
    when: rebooting|changed