mirror of
https://github.com/grafana/grafana.git
synced 2025-02-20 11:48:34 -06:00
92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
// Copyright 2013 Martini Authors
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// Copyright 2014 Unknwon
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package middleware
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import (
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"context"
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"net/http"
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"time"
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"github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/setting"
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opentracing "github.com/opentracing/opentracing-go"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/uber/jaeger-client-go"
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"gopkg.in/macaron.v1"
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)
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func Logger() macaron.Handler {
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return func(res http.ResponseWriter, req *http.Request, c *macaron.Context) {
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start := time.Now()
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c.Data["perfmon.start"] = start
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rw := res.(macaron.ResponseWriter)
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c.Next()
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timeTaken := time.Since(start) / time.Millisecond
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if timer, ok := c.Data["perfmon.timer"]; ok {
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timerTyped := timer.(prometheus.Summary)
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timerTyped.Observe(float64(timeTaken))
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}
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status := rw.Status()
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if status == 200 || status == 304 {
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if !setting.RouterLogging {
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return
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}
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}
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if ctx, ok := c.Data["ctx"]; ok {
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ctxTyped := ctx.(*models.ReqContext)
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logParams := []interface{}{
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"method", req.Method,
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"path", req.URL.Path,
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"status", status,
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"remote_addr", c.RemoteAddr(),
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"time_ms", int64(timeTaken),
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"size", rw.Size(),
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"referer", req.Referer(),
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}
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traceID, exist := extractTraceID(ctxTyped.Req.Request.Context())
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if exist {
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logParams = append(logParams, "traceID", traceID)
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}
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if status >= 500 {
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ctxTyped.Logger.Error("Request Completed", logParams...)
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} else {
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ctxTyped.Logger.Info("Request Completed", logParams...)
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}
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}
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}
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}
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func extractTraceID(ctx context.Context) (string, bool) {
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sp := opentracing.SpanFromContext(ctx)
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if sp == nil {
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return "", false
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}
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sctx, ok := sp.Context().(jaeger.SpanContext)
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if !ok {
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return "", false
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}
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return sctx.TraceID().String(), true
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}
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