@multiplayer-app/otlp-core/src/MultiplayerGrpcTraceExporterNode.ts

Multiplayer otlp core

import {
  ReadableSpan,
  SpanExporter,
} from '@opentelemetry/sdk-trace-base'
import {
  OTLPExporterNodeConfigBase,
  OTLPExporterBase,
} from '@opentelemetry/otlp-exporter-base'
import {
  convertLegacyOtlpGrpcOptions,
  createOtlpGrpcExportDelegate,
  OTLPGRPCExporterConfigNode,
} from '@opentelemetry/otlp-grpc-exporter-base'
import { MultiplayerJsonTraceSerializer } from './MultiplayerJsonTraceSerializer'
import { MULTIPLAYER_OTEL_DEFAULT_TRACES_EXPORTER_URL } from './constants.base'

interface MultiplayerGrpcExporterNodeConfig
  extends OTLPGRPCExporterConfigNode {
  apiKey?: string
}

/**
 * Collector Trace Exporter for Web
 */
export class MultiplayerGrpcTraceExporterNode
  extends OTLPExporterBase<ReadableSpan[]>
  implements SpanExporter
{
  constructor(config: MultiplayerGrpcExporterNodeConfig = {}) {
    const _config = {
      ...config,
      url: config.url || MULTIPLAYER_OTEL_DEFAULT_TRACES_EXPORTER_URL,
      headers: {
        ...(config.headers || {}),
        ...config.apiKey
          ? { Authorization: config.apiKey }
          : {},
      },
    }

    super(
      createOtlpGrpcExportDelegate(
        convertLegacyOtlpGrpcOptions(_config, 'TRACES'),
        MultiplayerJsonTraceSerializer,
        'TraceExportService',
        '/opentelemetry.proto.collector.trace.v1.TraceService/Export',
      ),
    )
  }

  getDefaultUrl(config: OTLPExporterNodeConfigBase): string {
    return config.url || MULTIPLAYER_OTEL_DEFAULT_TRACES_EXPORTER_URL
  }
}