grain:
  {%- if pillar.grafana.collector is defined %}
    {%- if collector.get('enabled', False) %}
      {%- set service_grains = {} %}
      {%- for service_name, service in pillar.iteritems() %}
        {%- if service.get('_support', {}).get('grafana', {}).get('enabled', False) %}
          {%- macro load_grains_file(grains_fragment_file) %}{% include grains_fragment_file ignore missing %}{% endmacro %}
          {%- set grains_fragment_file = service_name+'/meta/grafana.yml' %}
          {%- set grains_yaml = load_grains_file(grains_fragment_file)|load_yaml %}
          {%- set service_grains = salt['grains.filter_by']({'default': service_grains}, merge=grains_yaml) %}
        {%- endif %}
      {%- endfor %}
  grafana:
    {{ service_grains|yaml(False)|indent(4) }}
    {%- endif %}
  {%- endif %}