harness-drone/logger/handler.go

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2019-02-19 23:56:41 +00:00
// Copyright 2019 Drone IO, Inc.
//
// 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 logger
import (
"net/http"
"time"
"github.com/segmentio/ksuid"
"github.com/sirupsen/logrus"
)
// Middleware provides logging middleware.
func Middleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
id := r.Header.Get("X-Request-ID")
if id == "" {
id = ksuid.New().String()
}
ctx := r.Context()
log := FromContext(ctx).WithField("request-id", id)
ctx = WithContext(ctx, log)
start := time.Now()
next.ServeHTTP(w, r.WithContext(ctx))
end := time.Now()
log.WithFields(logrus.Fields{
"method": r.Method,
"request": r.RequestURI,
"remote": r.RemoteAddr,
"latency": end.Sub(start),
"time": end.Format(time.RFC3339),
}).Debug()
})
}