salt-formula/salt/meta/backupninja.yml

{%- if pillar.salt.master is defined %}
  {%- from "salt/map.jinja" import master with context %}
backup:
  salt:
    fs_includes:
      {%- if master.pillar.engine == 'reclass' or (master.pillar.engine == 'composite' and master.pillar.reclass is defined) %}
      - {{ master.pillar.get('reclass', {}).get('inventory_base_uri', '/srv/salt/reclass') }}
      {%- endif %}
    fs_excludes: []
{%- endif %}