etrace

Documentation

Index

• Variables
• func AppendBaggageByMap(ctx context.Context, mp map[string]string) (context.Context, error)
• func ExtractTraceID(ctx context.Context) string
• func GetBaggageValue(ctx context.Context, key string) (string, bool)
• func IsGlobalTracerRegistered() bool
• func SetGlobalTracer(tp trace.TracerProvider)
• func WithBaggage(parent context.Context, key, val string) (context.Context, error)

Variables

var (
	// UnaryServerInterceptor is alias for otelgrpc.UnaryServerInterceptor.
	UnaryServerInterceptor = otelgrpc.UnaryServerInterceptor
	// StreamServerInterceptor is alias for otelgrpc.StreamServerInterceptor.
	StreamServerInterceptor = otelgrpc.StreamServerInterceptor
)

var (
	// UnaryClientInterceptor is alias for  otelgrpc.UnaryClientInterceptor.
	UnaryClientInterceptor = otelgrpc.UnaryClientInterceptor
	// StreamClientInterceptor is alias for otelgrpc.StreamClientInterceptor.
	StreamClientInterceptor = otelgrpc.StreamClientInterceptor
)

var (
	// HTTPMiddleware is alias for telhttp.NewHandler.
	HTTPMiddleware = otelhttp.NewHandler
)

var HTTPTransport = otelhttp.NewTransport

HTTPTransport is alias for otelhttp.NewTransport.

Functions

func AppendBaggageByMap

func AppendBaggageByMap(ctx context.Context, mp map[string]string) (context.Context, error)

AppendBaggageByMap append map kvs to current ctx baggage, will return origin ctx if error.

func ExtractTraceID

func ExtractTraceID(ctx context.Context) string

ExtractTraceID HTTP使用request.Context，不要使用错了.

func GetBaggageValue

func GetBaggageValue(ctx context.Context, key string) (string, bool)

GetBaggageValue get baggage info from context, if key not exists, return "", false.

func IsGlobalTracerRegistered

func IsGlobalTracerRegistered() bool

IsGlobalTracerRegistered returns a `bool` to indicate if a tracer has been globally registered.

func SetGlobalTracer

func SetGlobalTracer(tp trace.TracerProvider)

func WithBaggage

func WithBaggage(parent context.Context, key, val string) (context.Context, error)

WithBaggage append baggage by string key val.