woodpecker/server/router/middleware/logger.go

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2021-11-26 08:50:56 +00:00
package middleware
import (
"time"
"github.com/gin-gonic/gin"
"github.com/rs/zerolog/log"
)
// Logger returns a gin.HandlerFunc (middleware) that logs requests using zerolog.
//
// Requests with errors are logged using log.Err().
// Requests without errors are logged using log.Info().
//
// It receives:
// 1. A time package format string (e.g. time.RFC3339).
// 2. A boolean stating whether to use UTC time zone or local.
func Logger(timeFormat string, utc bool) gin.HandlerFunc {
return func(c *gin.Context) {
start := time.Now()
// some evil middlewares modify this values
path := c.Request.URL.Path
c.Next()
end := time.Now()
latency := end.Sub(start)
if utc {
end = end.UTC()
}
entry := map[string]interface{}{
"status": c.Writer.Status(),
"method": c.Request.Method,
"path": path,
"ip": c.ClientIP(),
"latency": latency,
"user-agent": c.Request.UserAgent(),
"time": end.Format(timeFormat),
}
if len(c.Errors) > 0 {
// Append error field if this is an erroneous request.
log.Error().Str("error", c.Errors.String()).Fields(entry).Msg("")
} else {
log.Debug().Fields(entry).Msg("")
}
}
}