gistfile1.txt

stationmap.yaml :

'1815-1991-7288-3225-9558-4541-07':
    station-id: 19
    organizationunit-id: 15
    country-id: 'NL'
    
    
map.jinja : 

{%- set tplroot = tpldir.split('/')[0] %}
{%- import_yaml tpldir + "/stationmap.yaml" as stationmap %}

{%- set station = salt['grains.filter_by'](
        stationmap,
        grain='serialnumber',
        default='1815-1991-7288-3225-9558-4541-07'
      )
%}




init.sls :

{% from tpldir + "/map.jinja" import station with context %}


/etc/eva/station.conf:
  file.managed:
    - makedirs: True
    - source: salt://config/station.conf
    - context:
        station: station
    - mode: 644
    - template: jinja
    
station.conf: 

{{ station['country-id'] }}