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

Multiplayer otlp core

import type {
  ReadableLogRecord,
  LogRecordExporter,
} from '@opentelemetry/sdk-logs'
import type { OTLPExporterNodeConfigBase } from '@opentelemetry/otlp-exporter-base'
import { OTLPExporterBase } from '@opentelemetry/otlp-exporter-base'
import {
  convertLegacyHttpOptions,
  createOtlpHttpExportDelegate,
} from '@opentelemetry/otlp-exporter-base/node-http'
import { MultiplayerJsonLogsSerializer } from './MultiplayerJsonLogsSerializer'
import { MULTIPLAYER_OTEL_DEFAULT_LOGS_EXPORTER_URL } from './constants.base'

interface MultiplayerLogExporterNodeConfig
  extends OTLPExporterNodeConfigBase {
  apiKey?: string
}

/**
 * Logs Exporter for Node
 */
export class MultiplayerHttpLogExporterNode
  extends OTLPExporterBase<ReadableLogRecord[]>
  implements LogRecordExporter
{
  constructor(config: MultiplayerLogExporterNodeConfig = {}) {
    const _config = {
      ...config,
      url: config.url || MULTIPLAYER_OTEL_DEFAULT_LOGS_EXPORTER_URL,
      headers: {
        ...(config.headers || {}),
        ...config.apiKey
          ? { Authorization: config.apiKey }
          : {},
      },
    }

    super(
      createOtlpHttpExportDelegate(
        convertLegacyHttpOptions(_config, 'LOGS', 'v1/logs', {
          'User-Agent': 'Multiplayer-OTel-OTLP-Exporter-JavaScript-LOGS',
          'Content-Type': 'application/json',
        }),
        MultiplayerJsonLogsSerializer,
      ),
    )
  }
}