securityonion/salt/motd/files/package_update_reboot_required.jinja

{% set needs_restarting_check = salt['mine.get']('*', 'needs_restarting.check', tgt_type='glob') -%}

{%- if needs_restarting_check %}
  {%- set minions_need_restarted = [] %}

  {%- for minion, need_restarted in needs_restarting_check | dictsort() %}
    {%- if need_restarted == 'True' %}
      {% do minions_need_restarted.append(minion) %}
    {%- endif %}
  {%- endfor -%}

  {%- if minions_need_restarted | length > 0 %}
*****************************************************************************************
* The following nodes in your Security Onion grid need restarted due to package updates *
*****************************************************************************************

    {% for minion in minions_need_restarted -%}
  {{ minion }}
    {% endfor -%}

  {%- endif -%}

{%- endif -%}