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https://github.com/Rain-kl/OpenFlare.git
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ryan
528240026d
- make format 现在与 code-check 使用同一格式化器（golangci-lint fmt），消除 goimports -local 与 gofumpt 的格式拉锯 - .golangci.yml 关闭默认 50/3 截断，完整上报所有问题（只增强不弱化） - 全库 gofumpt 规范化（203 files, 纯格式无行为变更）
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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package trace
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import (
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"context"
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"log"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/trace"
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)
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// Tracer 全局 OpenTelemetry Tracer 实例
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var (
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Tracer trace.Tracer
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shutdownFuncs []func(context.Context) error
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)
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func init() {
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// 初始化 Propagator
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prop := newPropagator()
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otel.SetTextMapPropagator(prop)
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// 初始化 Tracer 实例为 No-op 默认以避免未初始化前或测试环境崩溃
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Tracer = otel.GetTracerProvider().Tracer("github.com/Rain-kl/Wavelet")
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}
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// Config 链路追踪配置
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type Config struct {
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AppName string
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SamplingRate float64
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TracerName string
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}
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// Init 初始化 Tracer Provider 并关联全局 Tracer 实例
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func Init(cfg Config) {
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tracerProvider, err := newTracerProvider(cfg)
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if err != nil {
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log.Fatalf("[Trace] init trace provider failed: %v", err)
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}
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shutdownFuncs = append(shutdownFuncs, tracerProvider.Shutdown)
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otel.SetTracerProvider(tracerProvider)
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// 更新 Tracer
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tracerName := cfg.TracerName
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if tracerName == "" {
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tracerName = "github.com/Rain-kl/Wavelet"
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}
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Tracer = tracerProvider.Tracer(tracerName)
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}
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// Shutdown 关闭所有 Trace Provider
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func Shutdown(ctx context.Context) {
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for _, fn := range shutdownFuncs {
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_ = fn(ctx)
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}
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}
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// Start 创建一个新的 Trace Span
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func Start(ctx context.Context, name string, opts ...trace.SpanStartOption) (context.Context, trace.Span) {
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return Tracer.Start(ctx, name, opts...)
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}
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