trace

README

链路追踪

endpoint: "jaeger-collector.example.com"
useSsl: true
header:
  Authorization: "Basic ----"
sample: 0.001

Documentation

Index

• func ContextWithSpan(parent context.Context, span trace.Span) context.Context
• func Default() trace.TracerProvider
• func LoggerLabel(ctx context.Context) []zap.Field
• func Middleware(serviceName string, tracerProvider trace.TracerProvider) gin.HandlerFunc
• func NewWithConfig(ctx context.Context, cfg *Config, opts ...Option) (trace.TracerProvider, error)
• func RegisterExporter(name string, f NewExporterFunc)
• func SpanFromContext(ctx context.Context) trace.Span
• func Trace(ctx context.Context, config *configs.Config) error
• func TracerFromContext(ctx context.Context) trace.Tracer
• type Config
• type NewExporterFunc
• type Option
  • func AppendAttributes(attrs ...attribute.KeyValue) Option
• type Options

Functions

func ContextWithSpan

func ContextWithSpan(parent context.Context, span trace.Span) context.Context

func Default

func Default() trace.TracerProvider

func LoggerLabel

func LoggerLabel(ctx context.Context) []zap.Field

LoggerLabel 获取logger的traceID

func Middleware

func Middleware(serviceName string, tracerProvider trace.TracerProvider) gin.HandlerFunc

Middleware 链路追踪中间件

func NewWithConfig

func NewWithConfig(ctx context.Context, cfg *Config, opts ...Option) (trace.TracerProvider, error)

func RegisterExporter

func RegisterExporter(name string, f NewExporterFunc)

func SpanFromContext

func SpanFromContext(ctx context.Context) trace.Span

func Trace

func Trace(ctx context.Context, config *configs.Config) error

Trace 链路追踪组件,尽早注册,其他组件会判断是否存在,再进行使用

func TracerFromContext

func TracerFromContext(ctx context.Context) trace.Tracer

Types

type Config

type Config struct {
	// Sample 采样率 0-1 其它数字为跟随父配置
	Sample   float64           `yaml:"sample"`
	Endpoint string            `yaml:"endpoint"`
	UseSSL   bool              `yaml:"useSSL"`
	Type     string            `yaml:"type"`
	Header   map[string]string `yaml:"header"`
}

type NewExporterFunc

type NewExporterFunc func(ctx context.Context, config *Config) (tracesdk.SpanExporter, error)

type Option

type Option func(*Options)

func AppendAttributes

func AppendAttributes(attrs ...attribute.KeyValue) Option

type Options

type Options struct {
	// contains filtered or unexported fields
}