forked from mirror/gin-logrus
85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
package ginlogrus
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import (
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"fmt"
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"math"
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"net/http"
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"os"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/sirupsen/logrus"
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)
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// 2016-09-27 09:38:21.541541811 +0200 CEST
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// 127.0.0.1 - frank [10/Oct/2000:13:55:36 -0700]
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// "GET /apache_pb.gif HTTP/1.0" 200 2326
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// "http://www.example.com/start.html"
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// "Mozilla/4.08 [en] (Win98; I ;Nav)"
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var timeFormat = "02/Jan/2006:15:04:05 -0700"
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// Logger is the logrus logger handler
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func Logger(logger logrus.FieldLogger, notLogged ...string) gin.HandlerFunc {
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hostname, err := os.Hostname()
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if err != nil {
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hostname = "unknow"
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}
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var skip map[string]struct{}
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if length := len(notLogged); length > 0 {
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skip = make(map[string]struct{}, length)
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for _, p := range notLogged {
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skip[p] = struct{}{}
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}
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}
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return func(c *gin.Context) {
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// other handler can change c.Path so:
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path := c.Request.URL.Path
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start := time.Now()
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c.Next()
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stop := time.Since(start)
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latency := int(math.Ceil(float64(stop.Nanoseconds()) / 1000000.0))
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statusCode := c.Writer.Status()
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clientIP := c.ClientIP()
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clientUserAgent := c.Request.UserAgent()
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referer := c.Request.Referer()
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dataLength := c.Writer.Size()
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if dataLength < 0 {
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dataLength = 0
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}
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if _, ok := skip[path]; ok {
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return
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}
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entry := logger.WithFields(logrus.Fields{
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"hostname": hostname,
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"statusCode": statusCode,
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"latency": latency, // time to process
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"clientIP": clientIP,
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"method": c.Request.Method,
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"path": path,
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"referer": referer,
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"dataLength": dataLength,
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"userAgent": clientUserAgent,
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})
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if len(c.Errors) > 0 {
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entry.Error(c.Errors.ByType(gin.ErrorTypePrivate).String())
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} else {
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msg := fmt.Sprintf("%s - %s [%s] \"%s %s\" %d %d \"%s\" \"%s\" (%dms)", clientIP, hostname, time.Now().Format(timeFormat), c.Request.Method, path, statusCode, dataLength, referer, clientUserAgent, latency)
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if statusCode >= http.StatusInternalServerError {
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entry.Error(msg)
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} else if statusCode >= http.StatusBadRequest {
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entry.Warn(msg)
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} else {
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entry.Info(msg)
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}
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}
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}
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}
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