tracer

package

v0.0.0-...-dab46ad Latest Latest Go to latest Published: Mar 24, 2020 License: Apache-2.0 Imports: 16 Imported by: 0

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Repository

github.com/hellojqk/simple_api

Documentation ¶

Index ¶

Constants
Variables
func Closer() (errs []error)
func ConfigFromViper(v *viper.Viper) (c *config.Configuration, err error)
func DoAfter(span opentracing.Span, resp *http.Response, err error)
func DoBefore(ctx context.Context, req *http.Request, operationName string) (span opentracing.Span, newCtx context.Context, err error)
func ExtractSpanFromGinContext(c *gin.Context) (span opentracing.Span, err error)
func ExtractSpanFromHeader(req *http.Request, operationName string) (span opentracing.Span)
func GinContextConvert(ctx context.Context, c *gin.Context) (newCtx context.Context, err error)
func GinHandler() gin.HandlerFunc
func Init(v *viper.Viper)
func InjectSpanToGinContext(c *gin.Context, span opentracing.Span)
func InjectSpanToHeader(req *http.Request, span opentracing.Span) (err error)
func NewTracerDB(ctx context.Context, db *gorm.DB) *gorm.DB
func RegisterDB(db *gorm.DB)
type GormTraceHandler

Constants ¶

View Source

const (
	//DBTraceContextKey opentracing在db中保存context的Key
	DBTraceContextKey = "trace.db.context"
	//DBTraceSpanKey opentracing在db中保存span的Key
	DBTraceSpanKey = "trace.db.span"
)

View Source

const (
	//TraceGinSpanKey opentracing在gin中保存span的Key
	TraceGinSpanKey = "tracer.span"
)

Variables ¶

View Source

var DBStatement = string(ext.DBStatement)

DBStatement opentracing ext.DBStatement

View Source

var (
	//Enable 是否启用Opentracing
	Enable bool
)

Functions ¶

func Closer ¶

func Closer() (errs []error)

Closer .

func ConfigFromViper ¶

func ConfigFromViper(v *viper.Viper) (c *config.Configuration, err error)

ConfigFromViper 从viper中获取配置信息

func DoAfter ¶

func DoAfter(span opentracing.Span, resp *http.Response, err error)

DoAfter http 请求之后

func DoBefore ¶

func DoBefore(ctx context.Context, req *http.Request, operationName string) (span opentracing.Span, newCtx context.Context, err error)

DoBefore http 请求之前

func ExtractSpanFromGinContext ¶

func ExtractSpanFromGinContext(c *gin.Context) (span opentracing.Span, err error)

ExtractSpanFromGinContext .

func ExtractSpanFromHeader ¶

func ExtractSpanFromHeader(req *http.Request, operationName string) (span opentracing.Span)

ExtractSpanFromHeader 从http请求头中获取链路跟踪信息主要是给自己暴露的API请求过滤器中使用

func GinContextConvert ¶

func GinContextConvert(ctx context.Context, c *gin.Context) (newCtx context.Context, err error)

GinContextConvert .

func GinHandler ¶

func GinHandler() gin.HandlerFunc

GinHandler .

func Init ¶

func Init(v *viper.Viper)

Init 启用链路跟踪

func InjectSpanToGinContext ¶

func InjectSpanToGinContext(c *gin.Context, span opentracing.Span)

InjectSpanToGinContext .

func InjectSpanToHeader ¶

func InjectSpanToHeader(req *http.Request, span opentracing.Span) (err error)

InjectSpanToHeader 将Span信息注入到Header中

func NewTracerDB ¶

func NewTracerDB(ctx context.Context, db *gorm.DB) *gorm.DB

NewTracerDB 获取新的带有span的DB

func RegisterDB ¶

func RegisterDB(db *gorm.DB)

RegisterDB .

Types ¶

type GormTraceHandler ¶

type GormTraceHandler interface {
	CreateBefore(scope *gorm.Scope)
	CreateAfter(scope *gorm.Scope)
	QueryBefore(scope *gorm.Scope)
	QueryAfter(scope *gorm.Scope)
	RowQueryBefore(scope *gorm.Scope)
	RowQueryAfter(scope *gorm.Scope)
	UpdateBefore(scope *gorm.Scope)
	UpdateAfter(scope *gorm.Scope)
	DeleteBefore(scope *gorm.Scope)
	DeleteAfter(scope *gorm.Scope)
	RegisterDB(db *gorm.DB)
}

GormTraceHandler opentracing处理gorm接口

Source Files ¶

View all Source files

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