Grafana Agent Flow OTLP config template

grafana-agent.flow

otelcol.receiver.otlp "default" {
 grpc {
      endpoint = "0.0.0.0:4317"
   }
   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.processor.memory_limiter.default.input]
      logs    = [otelcol.processor.memory_limiter.default.input]
      traces  = [otelcol.processor.memory_limiter.default.input]
   }
}

otelcol.processor.memory_limiter "default" {
   check_interval = "1s"
   limit = "150MiB"
   output {
      metrics = [otelcol.exporter.prometheus.default.input]
      logs    = [otelcol.exporter.loki.default.input]
      traces  = [otelcol.exporter.otlp.grafana_cloud_tempo.input]
   }
}

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

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

prometheus.remote_write "default" {
   endpoint {
      url = <<PROMETHEUS_URL>>
      basic_auth {
         username = <<PROMETHEUS_USERNAME>>
         password = <<PROMETHEUS_PASSWORD>>
      }
   }
}

loki.write "default" {
   endpoint {
      url = <<LOKI_URL>>

      basic_auth {
         username = <<LOKI_USERNAME>>
         password = <<LOKI_PASSWORD>>
      }
   }
}

otelcol.exporter.otlp "grafana_cloud_tempo" {
   client {
      endpoint = <<TEMPO_ENDPOINT>>
      auth     = otelcol.auth.basic.grafana_cloud_tempo.handler
   }
}

otelcol.auth.basic "grafana_cloud_tempo" {
   username = <<TEMPO_USERNAME>>
   password = <<TEMPO_PASSWORD>>
}