tracing

package

v0.0.0-...-26e1b9e Latest Latest Go to latest Published: Aug 5, 2022 License: Apache-2.0 Imports: 10 Imported by: 0

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Repository

gitee.com/peyton1991/kuat

README ¶

Tracing模块

Tracing模块封装链路追踪功能，支持jeager。

使用示例:

import (
	"gitee.com/peyton1991/kuat/tracing"
)

func Init() (err error) {
	...
	if err = tracing.Init(); err != nil {
		return
	}
	...
}

Documentation ¶

Index ¶

Constants
Variables
func Close()
func CreateSpanWithHttp(req *http.Request) (span opentracing.Span)
func CustomTag(key string, val interface{}) opentracing.Tag
func HeaderExtractor(hdr map[string][]string) opentracing.StartSpanOption
func Init(conf *Config) (err error)
func InjectHeader(h *http.Header, span opentracing.Span) (err error)
func SpanFromContext(ctx context.Context) opentracing.Span
func StartSpanFromContext(ctx context.Context, op string, opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)
func TagComponent(component string) opentracing.Tag
func TagSpanKind(kind string) opentracing.Tag
type Config
- func DefaultConfig() Config
type MetadataReaderWriter
type NullStartSpanOption
- func (n NullStartSpanOption) Apply(options *opentracing.StartSpanOptions)

Constants ¶

View Source

const (
	HttpTag       = "http"
	ServerSpan    = "server"
	HttpURLTag    = "http.url"
	HttpMethodTag = "http.method"
	PeerIpV4Tag   = "peer.ipv4"
	Error         = "error"
	HTTPCode      = "http.status_code"
)

Variables ¶

View Source

var (
	String = xlog.String
)

Functions ¶

func Close ¶

func Close()

func CreateSpanWithHttp ¶

func CreateSpanWithHttp(req *http.Request) (span opentracing.Span)

CreateSpanWithHttp 从http请求中解析出trace信息，如果没有自动初始化span.

func CustomTag ¶

func CustomTag(key string, val interface{}) opentracing.Tag

func HeaderExtractor ¶

func HeaderExtractor(hdr map[string][]string) opentracing.StartSpanOption

func Init ¶

func Init(conf *Config) (err error)

Init 初始化全局的Trace

func InjectHeader ¶

func InjectHeader(h *http.Header, span opentracing.Span) (err error)

InjectSpan

func SpanFromContext ¶

func SpanFromContext(ctx context.Context) opentracing.Span

func StartSpanFromContext ¶

func StartSpanFromContext(ctx context.Context, op string, opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)

func TagComponent ¶

func TagComponent(component string) opentracing.Tag

func TagSpanKind ¶

func TagSpanKind(kind string) opentracing.Tag

Types ¶

type Config ¶

type Config struct {
	ServiceName string                 `json:"serviceName" yaml:"serviceName"`
	RPCMetrics  bool                   `json:"rpcMetrics" yaml:"rpcMetrics"`
	Tags        []opentracing.Tag      `json:"tags" yaml:"tags"`
	Sampler     *config.SamplerConfig  `json:"sampler" yaml:"sampler"`
	Reporter    *config.ReporterConfig `json:"reporter" yaml:"reporter"`
	Headers     *jaeger.HeadersConfig  `json:"headers" yaml:"headers"`
}

func DefaultConfig ¶

func DefaultConfig() Config

type MetadataReaderWriter ¶

type MetadataReaderWriter struct {
	MD map[string][]string
}

type NullStartSpanOption ¶

type NullStartSpanOption struct{}

func (NullStartSpanOption) Apply ¶

func (n NullStartSpanOption) Apply(options *opentracing.StartSpanOptions)

Source Files ¶

View all Source files

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