grafana/pkg/middleware/logger.go
Arve Knudsen 12661e8a9d
Move middleware context handler logic to service (#29605)
* middleware: Move context handler to own service

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Emil Tullsted <sakjur@users.noreply.github.com>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>
2020-12-11 11:44:44 +01:00

77 lines
2.0 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 (
"net/http"
"time"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/setting"
"github.com/prometheus/client_golang/prometheus"
cw "github.com/weaveworks/common/middleware"
"gopkg.in/macaron.v1"
)
func Logger(cfg *setting.Cfg) macaron.Handler {
return func(res http.ResponseWriter, req *http.Request, c *macaron.Context) {
start := time.Now()
c.Data["perfmon.start"] = start
rw := res.(macaron.ResponseWriter)
c.Next()
timeTaken := time.Since(start) / time.Millisecond
if timer, ok := c.Data["perfmon.timer"]; ok {
timerTyped := timer.(prometheus.Summary)
timerTyped.Observe(float64(timeTaken))
}
status := rw.Status()
if status == 200 || status == 304 {
if !cfg.RouterLogging {
return
}
}
if ctx, ok := c.Data["ctx"]; ok {
ctxTyped := ctx.(*models.ReqContext)
logParams := []interface{}{
"method", req.Method,
"path", req.URL.Path,
"status", status,
"remote_addr", c.RemoteAddr(),
"time_ms", int64(timeTaken),
"size", rw.Size(),
"referer", req.Referer(),
}
traceID, exist := cw.ExtractTraceID(ctxTyped.Req.Request.Context())
if exist {
logParams = append(logParams, "traceID", traceID)
}
if status >= 500 {
ctxTyped.Logger.Error("Request Completed", logParams...)
} else {
ctxTyped.Logger.Info("Request Completed", logParams...)
}
}
}
}