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https://github.com/minio/minio.git
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27632ca6ec
ResponseWriter & RecordAPIStats has similar role, merge them. This commit will also fix wrong auditing for STS and Web and others since they are using ResponseWriter instead of the RecordAPIStats.
161 lines
4.2 KiB
Go
161 lines
4.2 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2017 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"bytes"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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"reflect"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/minio/minio/cmd/logger"
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"github.com/minio/minio/pkg/handlers"
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trace "github.com/minio/minio/pkg/trace"
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)
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// recordRequest - records the first recLen bytes
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// of a given io.Reader
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type recordRequest struct {
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// Data source to record
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io.Reader
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// Response body should be logged
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logBody bool
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// Internal recording buffer
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buf bytes.Buffer
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// request headers
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headers http.Header
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// total bytes read including header size
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bytesRead int
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}
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func (r *recordRequest) Read(p []byte) (n int, err error) {
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n, err = r.Reader.Read(p)
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r.bytesRead += n
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if r.logBody {
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r.buf.Write(p[:n])
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}
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if err != nil {
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return n, err
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}
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return n, err
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}
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func (r *recordRequest) Size() int {
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sz := r.bytesRead
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for k, v := range r.headers {
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sz += len(k) + len(v)
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}
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return sz
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}
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// Return the bytes that were recorded.
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func (r *recordRequest) Data() []byte {
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// If body logging is enabled then we return the actual body
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if r.logBody {
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return r.buf.Bytes()
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}
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// ... otherwise we return <BODY> placeholder
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return logger.BodyPlaceHolder
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}
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// getOpName sanitizes the operation name for mc
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func getOpName(name string) (op string) {
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op = strings.TrimPrefix(name, "github.com/minio/minio/cmd.")
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op = strings.TrimSuffix(op, "Handler-fm")
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op = strings.Replace(op, "objectAPIHandlers", "s3", 1)
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op = strings.Replace(op, "webAPIHandlers", "webui", 1)
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op = strings.Replace(op, "adminAPIHandlers", "admin", 1)
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op = strings.Replace(op, "(*storageRESTServer)", "internal", 1)
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op = strings.Replace(op, "(*peerRESTServer)", "internal", 1)
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op = strings.Replace(op, "(*lockRESTServer)", "internal", 1)
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op = strings.Replace(op, "(*stsAPIHandlers)", "sts", 1)
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op = strings.Replace(op, "LivenessCheckHandler", "healthcheck", 1)
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op = strings.Replace(op, "ReadinessCheckHandler", "healthcheck", 1)
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op = strings.Replace(op, "-fm", "", 1)
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return op
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}
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// Trace gets trace of http request
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func Trace(f http.HandlerFunc, logBody bool, w http.ResponseWriter, r *http.Request) trace.Info {
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name := getOpName(runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name())
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// Setup a http request body recorder
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reqHeaders := r.Header.Clone()
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reqHeaders.Set("Host", r.Host)
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if len(r.TransferEncoding) == 0 {
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reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
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}
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for _, enc := range r.TransferEncoding {
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reqHeaders.Add("Transfer-Encoding", enc)
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}
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var reqBodyRecorder *recordRequest
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t := trace.Info{FuncName: name}
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reqBodyRecorder = &recordRequest{Reader: r.Body, logBody: logBody, headers: reqHeaders}
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r.Body = ioutil.NopCloser(reqBodyRecorder)
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t.NodeName = r.Host
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if globalIsDistXL {
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t.NodeName = GetLocalPeer(globalEndpoints)
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}
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// strip port from the host address
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if host, _, err := net.SplitHostPort(t.NodeName); err == nil {
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t.NodeName = host
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}
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rw := logger.NewResponseWriter(w)
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rw.LogErrBody = true
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rw.LogAllBody = logBody
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f(rw, r)
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rq := trace.RequestInfo{
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Time: time.Now().UTC(),
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Method: r.Method,
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Path: r.URL.Path,
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RawQuery: r.URL.RawQuery,
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Client: handlers.GetSourceIP(r),
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Headers: reqHeaders,
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Body: reqBodyRecorder.Data(),
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}
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rs := trace.ResponseInfo{
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Time: time.Now().UTC(),
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Headers: rw.Header().Clone(),
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StatusCode: rw.StatusCode,
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Body: rw.Body(),
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}
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if rs.StatusCode == 0 {
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rs.StatusCode = http.StatusOK
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}
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t.ReqInfo = rq
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t.RespInfo = rs
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t.CallStats = trace.CallStats{
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Latency: rs.Time.Sub(rw.StartTime),
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InputBytes: reqBodyRecorder.Size(),
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OutputBytes: rw.Size(),
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TimeToFirstByte: rw.TimeToFirstByte,
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}
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return t
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}
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