grafana/client/datasource/prometheus.yml

parameters:
  _param:
    grafana_prometheus_is_default: true
    grafana_prometheus_ds_name: prometheus
  grafana:
    client:
      datasource:
        prometheus:
          type: prometheus
          name: ${_param:grafana_prometheus_ds_name}
          host: ${_param:grafana_prometheus_address}
          port: ${_param:grafana_prometheus_port}
          is_default: ${_param:grafana_prometheus_is_default}