tracing

Sep 24, 2018

Changes in this version

+ const EntryPointMaxLengthNumber

+ const ForwardMaxLengthNumber

+ const TraceNameHashLength

+ type HTTPHeadersCarrier http.Header

+ func (c HTTPHeadersCarrier) ForeachKey(handler func(key, val string) error) error

+ func (c HTTPHeadersCarrier) Set(key, val string)

type Tracing

+ DataDog *datadog.Config

+ SpanNameLimit int

Apr 30, 2018

Changes in this version

+ func GetSpan(r *http.Request) opentracing.Span

+ func InjectRequestHeaders(r *http.Request)

+ func LogEventf(r *http.Request, format string, args ...interface{})

+ func LogRequest(span opentracing.Span, r *http.Request)

+ func LogResponseCode(span opentracing.Span, code int)

+ func SetError(r *http.Request)

+ func SetErrorAndDebugLog(r *http.Request, format string, args ...interface{})

+ func SetErrorAndWarnLog(r *http.Request, format string, args ...interface{})

+ func StartSpan(r *http.Request, operationName string, spanKinClient bool, ...) (opentracing.Span, *http.Request, func())

+ type Backend interface

+ Setup func(serviceName string) (opentracing.Tracer, io.Closer, error)

+ type HTTPHandlerWrapper struct

+ func (t *HTTPHandlerWrapper) ServeHTTP(rw http.ResponseWriter, r *http.Request)

+ type NegroniHandlerWrapper struct

+ func (t *NegroniHandlerWrapper) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc)

+ type Tracing struct

+ Backend string

+ Jaeger *jaeger.Config

+ ServiceName string

+ Zipkin *zipkin.Config

+ func (t *Tracing) Close()

+ func (t *Tracing) Extract(format interface{}, carrier interface{}) (opentracing.SpanContext, error)

+ func (t *Tracing) Inject(sm opentracing.SpanContext, format interface{}, carrier interface{}) error

+ func (t *Tracing) IsEnabled() bool

+ func (t *Tracing) NewEntryPoint(name string) negroni.Handler

+ func (t *Tracing) NewForwarderMiddleware(frontend, backend string) negroni.Handler

+ func (t *Tracing) NewHTTPHandlerWrapper(name string, handler http.Handler, clientSpanKind bool) http.Handler

+ func (t *Tracing) NewNegroniHandlerWrapper(name string, handler negroni.Handler, clientSpanKind bool) negroni.Handler

+ func (t *Tracing) Setup()

+ func (t *Tracing) StartSpan(operationName string, opts ...opentracing.StartSpanOption) opentracing.Span