observability

func NewMiddleware ¶

func NewMiddleware(next http.Handler, name string, typeName string, spanKind trace.SpanKind) http.Handler

NewMiddleware returns a http.Handler struct.

func NewService ¶

func NewService(ctx context.Context, service string, next http.Handler) http.Handler

NewService creates a new tracing middleware that traces the outgoing requests.

func Proto ¶

func Proto(proto string) string

func SetStatusErrorf ¶

func SetStatusErrorf(ctx context.Context, format string, args ...interface{})

SetStatusErrorf flags the span as in error and log an event.

func WrapEntryPointHandler ¶

func WrapEntryPointHandler(ctx context.Context, tracer *tracing.Tracer, semConvMetricRegistry *metrics.SemConvMetricsRegistry, entryPointName string) alice.Constructor

WrapEntryPointHandler Wraps tracing to alice.Constructor.

func WrapMiddleware ¶

func WrapMiddleware(ctx context.Context, constructor alice.Constructor) alice.Constructor

WrapMiddleware adds traceability to an alice.Constructor.

func WrapRouterHandler ¶

func WrapRouterHandler(ctx context.Context, router, routerRule, service string) alice.Constructor

WrapRouterHandler Wraps tracing to alice.Constructor.