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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package middleware | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math" | ||
| "net/http" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/gin-gonic/gin" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| var timeFormat = "02/Jan/2006:15:04:05 -0700" | ||
|
|
||
| // Logger is the logrus logger handler | ||
| func Logger(logger logrus.FieldLogger, notLogged ...string) gin.HandlerFunc { | ||
| hostname, err := os.Hostname() | ||
| if err != nil { | ||
| hostname = "unknow" | ||
| } | ||
|
|
||
| var skip map[string]struct{} | ||
|
|
||
| if length := len(notLogged); length > 0 { | ||
| skip = make(map[string]struct{}, length) | ||
|
|
||
| for _, p := range notLogged { | ||
| skip[p] = struct{}{} | ||
| } | ||
| } | ||
|
|
||
| return func(c *gin.Context) { | ||
| // other handler can change c.Path so: | ||
| path := c.Request.URL.Path | ||
| start := time.Now() | ||
| c.Next() | ||
| stop := time.Since(start) | ||
| latency := int(math.Ceil(float64(stop.Nanoseconds()) / 1000000.0)) | ||
| statusCode := c.Writer.Status() | ||
| clientIP := c.ClientIP() | ||
| clientUserAgent := c.Request.UserAgent() | ||
| referer := c.Request.Referer() | ||
| dataLength := c.Writer.Size() | ||
| if dataLength < 0 { | ||
| dataLength = 0 | ||
| } | ||
|
|
||
| if _, ok := skip[path]; ok { | ||
| return | ||
| } | ||
|
|
||
| entry := logger.WithFields(logrus.Fields{ | ||
| "hostname": hostname, | ||
| "statusCode": statusCode, | ||
| "latency": latency, // time to process | ||
| "clientIP": clientIP, | ||
| "method": c.Request.Method, | ||
| "path": path, | ||
| "referer": referer, | ||
| "dataLength": dataLength, | ||
| "userAgent": clientUserAgent, | ||
| }) | ||
|
|
||
| if len(c.Errors) > 0 { | ||
| entry.Error(c.Errors.ByType(gin.ErrorTypePrivate).String()) | ||
| } else { | ||
| 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) | ||
| if statusCode >= http.StatusInternalServerError { | ||
| entry.Error(msg) | ||
| } else if statusCode >= http.StatusBadRequest { | ||
| entry.Warn(msg) | ||
| } else { | ||
| entry.Info(msg) | ||
| } | ||
| } | ||
| } | ||
| } |
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