defaults.yaml

 cie:
   config:
     kafka:
       zookepperUrl: 'localhost:2181'
       brokers: 'localhost:9092'
   services:
     account:
       description: Account Service
       config_sections:
         - kafka
         - eureka
       config:
         eureka:
           vipAddress: 'account'
         kafka:
           handlers:
             - 'com.cie.account.handler.RegistrationImportFinishHandler'
             - 'com.cie.account.handler.BulkAccountCreateHandler'
     audit:
       description: Audit Service
       config_sections:
         - eureka
       config:
         eureka:
           vipAddress: 'audit'

state.sls

 {%- from 'cie/settings.sls' import cie with context -%}
 
 {% for service, attributes in cie.services.iteritems() %}
   {% set config = cie.config %}
   {% for section in attributes.config_sections | default([]) %}
 manage_{{ service }}_{{ section }}_configuration:
   file.serialize:
     - name: /usr/local/{{ service }}/etc/{{ service }}.yml
     - dataset: {{ '{' ~ section ~ ': ' ~ salt.slsutil.update(config.get(section, {}), attributes.config.get(section, {})) ~ '}' }}
     - formatter: yaml
     - merge_if_exists: True
     - user: {{ pillar.sys_users.cie.user }}
     - group: {{ pillar.sys_users.cie.group }}
     - mode: 640
   {% endfor %}
 {% endfor %}