grafana/pkg/middleware/logger.go

65 lines
1.7 KiB
Go

// Copyright 2013 Martini Authors
// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package middleware
import (
"fmt"
"net/http"
"time"
"github.com/grafana/grafana/pkg/log"
"github.com/grafana/grafana/pkg/metrics"
"github.com/grafana/grafana/pkg/setting"
"gopkg.in/macaron.v1"
)
func Logger() macaron.Handler {
return func(res http.ResponseWriter, req *http.Request, c *macaron.Context) {
start := time.Now()
c.Data["perfmon.start"] = start
uname := c.GetCookie(setting.CookieUserName)
if len(uname) == 0 {
uname = "-"
}
rw := res.(macaron.ResponseWriter)
c.Next()
timeTakenMs := int64(time.Since(start) / time.Millisecond)
content := fmt.Sprintf("Completed %s %s \"%s %s %s\" %v %s %d bytes in %dms", c.RemoteAddr(), uname, req.Method, req.URL.Path, req.Proto, rw.Status(), http.StatusText(rw.Status()), rw.Size(), timeTakenMs)
if timer, ok := c.Data["perfmon.timer"]; ok {
timerTyped := timer.(metrics.Timer)
timerTyped.AddTiming(timeTakenMs)
}
switch rw.Status() {
case 200, 304:
content = fmt.Sprintf("%s", content)
if !setting.RouterLogging {
return
}
case 404:
content = fmt.Sprintf("%s", content)
case 500:
content = fmt.Sprintf("%s", content)
}
log.Info(content)
}
}