instrumentation

Documentation

Index

• type MetricsServer
  • func NewMetricsServer(port int, registry *prometheus.Registry, logger log.Logger) *MetricsServer
  • func (s *MetricsServer) Start() error
  • func (s *MetricsServer) Stop()
• type TracerTransport
  • func (t TracerTransport) RoundTrip(req *http.Request) (*http.Response, error)

Types

type MetricsServer

type MetricsServer struct {
	// contains filtered or unexported fields
}

func NewMetricsServer

func NewMetricsServer(port int, registry *prometheus.Registry, logger log.Logger) *MetricsServer

NewMetricsServer returns a server exposing Prometheus metrics.

func (*MetricsServer) Start

func (s *MetricsServer) Start() error

Start the instrumentation server.

func (*MetricsServer) Stop

func (s *MetricsServer) Stop()

Stop closes the instrumentation server.

type TracerTransport

type TracerTransport struct {
	Next http.RoundTripper
}

TracerTransport uses opentracing.GlobalTracer() to inject request trace span (if any) to the request headers, then it passes then handling to Next, or to http.DefaultTransport if Next is nil.

func (TracerTransport) RoundTrip

func (t TracerTransport) RoundTrip(req *http.Request) (*http.Response, error)