docker-registry-ui/middleware.go
2024-04-16 13:54:18 +03:00

85 lines
2.2 KiB
Go

package main
import (
"bytes"
"fmt"
"io"
"runtime"
"strings"
"time"
"github.com/fatih/color"
"github.com/labstack/echo/v4"
"github.com/quiq/registry-ui/registry"
"github.com/sirupsen/logrus"
)
// loggingMiddleware logging of the web framework
func loggingMiddleware() echo.MiddlewareFunc {
logger := registry.SetupLogging("echo")
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(ctx echo.Context) (err error) {
req := ctx.Request()
// Skip logging for specific paths.
if strings.HasSuffix(req.RequestURI, "/event-receiver") {
return next(ctx)
}
// Log the original request in DEBUG mode.
if logrus.GetLevel() == logrus.DebugLevel && req.Body != nil {
bodyBytes, _ := io.ReadAll(req.Body)
req.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
if len(bodyBytes) > 0 {
logger.Debugf("Incoming HTTP %s request: %s", req.Method, string(bodyBytes))
}
}
res := ctx.Response()
start := time.Now()
if err = next(ctx); err != nil {
ctx.Error(err)
}
stop := time.Now()
statusCode := color.GreenString("%d", res.Status)
switch {
case res.Status >= 500:
statusCode = color.RedString("%d", res.Status)
case res.Status >= 400:
statusCode = color.YellowString("%d", res.Status)
case res.Status >= 300:
statusCode = color.CyanString("%d", res.Status)
}
latency := stop.Sub(start).Round(1 * time.Millisecond).String() // human readable
// latency := strconv.FormatInt(int64(stop.Sub(start)), 10) // in ns
// Do main logging.
logger.Infof("%s %s %s %s %s %s", ctx.RealIP(), req.Method, req.RequestURI, statusCode, latency, req.UserAgent())
return
}
}
}
// recoverMiddleware recover from panics
func recoverMiddleware() echo.MiddlewareFunc {
logger := registry.SetupLogging("echo")
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(ctx echo.Context) error {
defer func() {
if r := recover(); r != nil {
err, ok := r.(error)
if !ok {
err = fmt.Errorf("%v", r)
}
stackSize := 4 << 10 // 4 KB
stack := make([]byte, stackSize)
length := runtime.Stack(stack, true)
logger.Errorf("[PANIC RECOVER] %v %s\n", err, stack[:length])
}
}()
return next(ctx)
}
}
}