{%- set myconfig = pillar['netbox']['config_context'] -%}

salt:
  minion_remove_config: True
  minion:
    master_type: str
    master: {{ myconfig['salt_master'] }}
    {%- if 'roles' in myconfig and myconfig['roles'] | length > 0 %}
    grains:
      roles: {{ myconfig['roles'] }}
    {%- endif %}