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@fastgpt-sdk/otel

v0.1.0

Published

FastGPT SDK for OpenTelemetry observability

Readme

@fastgpt-sdk/otel

FastGPT 的统一 OpenTelemetry / observability SDK。

这个包的目标是作为未来的迁移目标,把现有的:

  • @fastgpt-sdk/logger
  • @fastgpt-sdk/metrics
  • tracing 能力

收拢到一个统一入口里,但目前不强制迁移现有代码。

它现在是一个自包含包:

  • 内部自带 logger 实现
  • 内部自带 metrics 实现
  • 内部自带 tracing 实现
  • 不依赖 @fastgpt-sdk/logger@fastgpt-sdk/metrics

同时支持两种使用方式:

  • 统一入口:@fastgpt-sdk/otel
  • 渐进迁移入口:@fastgpt-sdk/otel/logger@fastgpt-sdk/otel/metrics@fastgpt-sdk/otel/tracing

包含内容

  • 内置 logger 能力
  • 内置 metrics 能力
  • 内置通用 tracing 能力
  • 提供统一的 configureOtel() / configureOtelFromEnv() 入口

快速开始

import {
  configureOtelFromEnv,
  getLogger,
  getMeter,
  getTracer
} from '@fastgpt-sdk/otel';

await configureOtelFromEnv({
  defaultServiceName: 'fastgpt-client'
});

const logger = getLogger(['system']);
const meter = getMeter('fastgpt-client');
const tracer = getTracer('fastgpt-client');

也可以渐进迁移:

import { configureLoggerFromEnv, getLogger } from '@fastgpt-sdk/otel/logger';
import { configureMetricsFromEnv, getMeter } from '@fastgpt-sdk/otel/metrics';
import { configureTracingFromEnv, getTracer } from '@fastgpt-sdk/otel/tracing';

迁移思路

未来可以分阶段迁移:

  1. 先只把初始化入口从多个 SDK 收拢到 @fastgpt-sdk/otel
  2. 再逐步把 import 从 logger/metrics 改成 otel
  3. 最后按业务需要补 traces

tracing 环境变量

  • TRACING_ENABLE_OTEL
  • TRACING_OTEL_SERVICE_NAME
  • TRACING_OTEL_URL
  • TRACING_OTEL_SAMPLE_RATIO

同时兼容标准 OTEL fallback:

  • OTEL_SERVICE_NAME
  • OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
  • OTEL_EXPORTER_OTLP_ENDPOINT
  • OTEL_TRACES_EXPORTER
  • OTEL_TRACES_SAMPLER
  • OTEL_TRACES_SAMPLER_ARG

说明

  • 这个包当前是“整理好的统一入口”,不是“已经迁移完成的替换方案”。
  • 现有 loggermetrics 包仍然可继续独立使用,后续可以逐步迁移到这个包。