feat: setup logours for logging

server/middlewares/log.go

@@ -0,0 +1,60 @@
+package middlewares
+
+import (
+	"fmt"
+	"io"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/authorizerdev/authorizer/server/constants"
+	"github.com/authorizerdev/authorizer/server/utils"
+)
+
+// GinLogWriteFunc convert func to io.Writer.
+type GinLogWriteFunc func([]byte) (int, error)
+
+// GinLog Write function
+func (fn GinLogWriteFunc) Write(data []byte) (int, error) {
+	return fn(data)
+}
+
+// NewGinLogrusWrite logrus writer for gin
+func NewGinLogrusWrite() io.Writer {
+	return GinLogWriteFunc(func(data []byte) (int, error) {
+		log.Debugf("%s", data)
+		return 0, nil
+	})
+}
+
+// JSONLogMiddleware logs a gin HTTP request in JSON format, with some additional custom key/values
+func JSONLogMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// Start timer
+		start := time.Now()
+
+		// Process Request
+		c.Next()
+
+		// Stop timer
+		duration := utils.GetDurationInMillseconds(start)
+
+		entry := log.WithFields(log.Fields{
+			"client_ip":          utils.GetIP(c.Request),
+			"duration":           fmt.Sprintf("%.2f", duration),
+			"method":             c.Request.Method,
+			"path":               c.Request.RequestURI,
+			"status":             c.Writer.Status(),
+			"referrer":           c.Request.Referer(),
+			"request_id":         c.Writer.Header().Get("Request-Id"),
+			"authorizer_version": constants.VERSION,
+		})
+
+		if c.Writer.Status() >= 500 {
+			entry.Error(c.Errors.String())
+		} else {
+			entry.Info("")
+		}
+	}
+}