#3663: add latency to HTTP access logging

Author: reinkrul

http/requestlogger.go

@@ -37,6 +37,7 @@ func requestLoggerMiddleware(skipper middleware.Skipper, logger *logrus.Entry) e
 		LogMethod:   true,
 		LogRemoteIP: true,
 		LogError:    true,
+		LogLatency:  true,
 		LogValuesFunc: func(c echo.Context, values middleware.RequestLoggerValues) error {
 			status := values.Status
 			if values.Error != nil {
@@ -47,6 +48,7 @@ func requestLoggerMiddleware(skipper middleware.Skipper, logger *logrus.Entry) e
 				"remote_ip": values.RemoteIP,
 				"method":    values.Method,
 				"uri":       values.URI,
+				"duration":  values.Latency,
 				"status":    status,
 			}
 			if logger.Level >= logrus.DebugLevel {

http/requestlogger_test.go

@@ -32,6 +32,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"testing"
+	"time"
 )
 
 func Test_requestLoggerMiddleware(t *testing.T) {
@@ -57,6 +58,7 @@ func Test_requestLoggerMiddleware(t *testing.T) {
 		assert.Equal(t, "::1", hook.LastEntry().Data["remote_ip"])
 		assert.Equal(t, http.StatusNoContent, hook.LastEntry().Data["status"])
 		assert.Equal(t, "/test", hook.LastEntry().Data["uri"])
+		assert.NotEmpty(t, hook.LastEntry().Data["duration"].(time.Duration))
 	})
 
 	t.Run("it handles echo.HTTPErrors", func(t *testing.T) {