otelcol.receiver.otlp "default" {
  grpc {
    endpoint = "0.0.0.0:4317"
  }

  http {
    endpoint = "0.0.0.0:4318"
  }

  output {
    metrics = [otelcol.processor.batch.default.input]
    logs    = [otelcol.processor.batch.default.input]
    traces  = [otelcol.processor.batch.default.input]
  }
}

otelcol.processor.batch "default" {
  output {
    metrics = [otelcol.exporter.prometheus.grafana.input]
    logs    = [otelcol.exporter.loki.grafana.input]
    traces  = [otelcol.exporter.otlphttp.grafana.input]
  }
}

otelcol.exporter.prometheus "grafana" {
  forward_to = [prometheus.remote_write.grafana.receiver]
}

prometheus.remote_write "grafana" {
  endpoint {
    url = env("GCLOUD_HOSTED_METRICS_URL")
    basic_auth {
      username = env("GCLOUD_HOSTED_METRICS_ID")
      password = env("GCLOUD_RW_API_KEY")
    }
  }
}

otelcol.exporter.loki "grafana" {
  forward_to = [loki.write.grafana.receiver]
}

loki.write "grafana" {
  endpoint {
    url = env("GCLOUD_HOSTED_LOGS_URL")
    basic_auth {
      username = env("GCLOUD_HOSTED_LOGS_ID")
      password = env("GCLOUD_RW_API_KEY")
    }
  }
}

otelcol.exporter.otlphttp "grafana" {
  client {
    endpoint = env("GCLOUD_OTLP_ENDPOINT")
    headers = {
      "Authorization" = env("GCLOUD_OTLP_AUTH_HEADER"),
    }
  }
}