trace

Documentation

Index

• func FromContext(ctx context.Context) string
• func HTTPMiddleware(next http.Handler) http.Handler
• func NewContext(ctx context.Context) context.Context
• func WithTraceID(ctx context.Context, id string) context.Context

Functions

func FromContext

func FromContext(ctx context.Context) string

FromContext extracts the trace ID from context, or returns "".

func HTTPMiddleware

func HTTPMiddleware(next http.Handler) http.Handler

HTTPMiddleware extracts or generates a trace ID from the X-Trace-Id header and injects it into the request context.

func NewContext

func NewContext(ctx context.Context) context.Context

NewContext returns a context with a new trace ID.

func WithTraceID

func WithTraceID(ctx context.Context, id string) context.Context

WithTraceID returns a context with the given trace ID.