{% set key_1 = salt.pillar.get('key1','') %}
{% set value_1 = salt.pillar.get('value1','') %}
{% set key_2 = salt.pillar.get('key2','') %}
{% set value_2 = salt.pillar.get('value2','') %}
{% set key_3 = salt.pillar.get('key3','') %}
{% set value_3 = salt.pillar.get('value3','') %}
{% set key_4 = salt.pillar.get('key4','') %}
{% set value_4 = salt.pillar.get('value4','') %} 
{% set key_5 = salt.pillar.get('key5','') %}
{% set value_5 = salt.pillar.get('value5','') %}

{% set custom_grains =({key_1:value_1,key_2:value_2,key_3:value_3,key_4:value_4,key_5:value_5 }) %}
 
{% for key, value in custom_grains.items() %}
{% if key|length %}
append_grains_{{key}}:
   grains.present:
     - name: {{key}}
     - value: {{value}}
{% endif %}
{% endfor %}