mirror of
https://github.com/Rain-kl/OpenFlare.git
synced 2026-09-29 22:06:38 +08:00
ryan
9f8890d159
- Declared module Wavelet in backend/go.mod - Replaced github.com/Rain-kl/Wavelet/ with clean Wavelet/ import paths across backend codebase - Updated architecture guards, Makefile, swagger, and build tests - 100% passed all tests, lint checks, and binary compilation
52 lines
1.4 KiB
Go
52 lines
1.4 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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"os"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
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"go.opentelemetry.io/otel/sdk/resource"
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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)
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func newTracerProvider(cfg Config) (*sdktrace.TracerProvider, error) {
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// 获取主机名和容器信息
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hostname, err := os.Hostname()
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if err != nil {
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return nil, err
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}
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// 业务属性不绑定 schema URL，合并时继承 resource.Default() 的 SDK 内置版本，避免 semconv 与 otel/sdk 升级不同步。
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r, err := resource.Merge(
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resource.Default(),
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resource.NewSchemaless(
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attribute.String("service.name", cfg.AppName),
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attribute.String("host.name", hostname),
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attribute.String("k8s.namespace.name", os.Getenv("KUBERNETES_NAMESPACE")),
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attribute.String("k8s.pod.name", os.Getenv("KUBERNETES_POD_NAME")),
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attribute.String("k8s.pod.uid", os.Getenv("KUBERNETES_POD_UID")),
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),
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)
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if err != nil {
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return nil, err
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}
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// 初始化 Exporter
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traceExporter, err := otlptracegrpc.New(context.Background())
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if err != nil {
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return nil, err
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}
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// 初始化 Trace
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tracerProvider := sdktrace.NewTracerProvider(
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sdktrace.WithBatcher(traceExporter),
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sdktrace.WithResource(r),
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sdktrace.WithSampler(ParentBasedRatioSampler(cfg.SamplingRate)),
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)
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return tracerProvider, nil
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}
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