/
logger.go
95 lines (78 loc) · 2.24 KB
/
logger.go
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/* Copyright (C) Fedir Petryk */
package middleware
import (
"fmt"
"time"
"github.com/labstack/echo/v4"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
type (
Skipper func(c echo.Context) bool
// ZapLoggerConfig defines the config for ZapLogger middleware
ZapLoggerConfig struct {
// Skipper defines a function to skip middleware
Skipper Skipper
}
)
var (
// DefaultZapLoggerConfig is the default ZapLogger middleware config.
DefaultZapLoggerConfig = ZapLoggerConfig{
Skipper: DefaultSkipper,
}
)
// DefaultSkipper returns false which processes the middleware
func DefaultSkipper(echo.Context) bool {
return false
}
// ZapLogger is a middleware and zap to provide an "access log" like logging for each request.
func ZapLogger(log *zap.Logger) echo.MiddlewareFunc {
return ZapLoggerWithConfig(log, DefaultZapLoggerConfig)
}
// ZapLoggerWithConfig is a middleware (with configuration) and zap to provide an "access log" like logging for each request.
func ZapLoggerWithConfig(log *zap.Logger, config ZapLoggerConfig) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
// Defaults
if config.Skipper == nil {
config.Skipper = DefaultZapLoggerConfig.Skipper
}
return func(c echo.Context) error {
if config.Skipper(c) {
return next(c)
}
start := time.Now()
err := next(c)
if err != nil {
c.Error(err)
}
req := c.Request()
res := c.Response()
fields := []zapcore.Field{
zap.String("remote_ip", c.RealIP()),
zap.String("latency", time.Since(start).String()),
zap.String("host", req.Host),
zap.String("request", fmt.Sprintf("%s %s", req.Method, req.RequestURI)),
zap.Int("status", res.Status),
zap.Int64("size", res.Size),
zap.String("user_agent", req.UserAgent()),
}
id := req.Header.Get(echo.HeaderXRequestID)
if id == "" {
id = res.Header().Get(echo.HeaderXRequestID)
}
fields = append(fields, zap.String("request_id", id))
n := res.Status
switch {
case n >= 500:
log.With(zap.Error(err)).Error("Server error", fields...)
case n >= 400:
// log.With(zap.Err(err)).Warn("Client error", fields...)
case n >= 300:
log.Info("Redirection", fields...)
default:
log.Info("Success", fields...)
}
return nil
}
}
}