|
|
|
|
/*
|
|
|
|
|
* MinIO Cloud Storage, (C) 2017 MinIO, 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 cmd
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
|
"bytes"
|
|
|
|
|
"io"
|
|
|
|
|
"io/ioutil"
|
|
|
|
|
"net"
|
|
|
|
|
"net/http"
|
|
|
|
|
"reflect"
|
|
|
|
|
"runtime"
|
|
|
|
|
"strconv"
|
|
|
|
|
"strings"
|
|
|
|
|
"time"
|
|
|
|
|
|
|
|
|
|
"github.com/minio/minio/cmd/logger"
|
|
|
|
|
"github.com/minio/minio/pkg/handlers"
|
|
|
|
|
trace "github.com/minio/minio/pkg/trace"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
// recordRequest - records the first recLen bytes
|
|
|
|
|
// of a given io.Reader
|
|
|
|
|
type recordRequest struct {
|
|
|
|
|
// Data source to record
|
|
|
|
|
io.Reader
|
|
|
|
|
// Response body should be logged
|
|
|
|
|
logBody bool
|
|
|
|
|
// Internal recording buffer
|
|
|
|
|
buf bytes.Buffer
|
|
|
|
|
// request headers
|
|
|
|
|
headers http.Header
|
|
|
|
|
// total bytes read including header size
|
|
|
|
|
bytesRead int
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (r *recordRequest) Read(p []byte) (n int, err error) {
|
|
|
|
|
n, err = r.Reader.Read(p)
|
|
|
|
|
r.bytesRead += n
|
|
|
|
|
|
|
|
|
|
if r.logBody {
|
|
|
|
|
r.buf.Write(p[:n])
|
|
|
|
|
}
|
|
|
|
|
if err != nil {
|
|
|
|
|
return n, err
|
|
|
|
|
}
|
|
|
|
|
return n, err
|
|
|
|
|
}
|
|
|
|
|
func (r *recordRequest) Size() int {
|
|
|
|
|
sz := r.bytesRead
|
|
|
|
|
for k, v := range r.headers {
|
|
|
|
|
sz += len(k) + len(v)
|
|
|
|
|
}
|
|
|
|
|
return sz
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Return the bytes that were recorded.
|
|
|
|
|
func (r *recordRequest) Data() []byte {
|
|
|
|
|
// If body logging is enabled then we return the actual body
|
|
|
|
|
if r.logBody {
|
|
|
|
|
return r.buf.Bytes()
|
|
|
|
|
}
|
|
|
|
|
// ... otherwise we return <BODY> placeholder
|
|
|
|
|
return logger.BodyPlaceHolder
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// getOpName sanitizes the operation name for mc
|
|
|
|
|
func getOpName(name string) (op string) {
|
|
|
|
|
op = strings.TrimPrefix(name, "github.com/minio/minio/cmd.")
|
|
|
|
|
op = strings.TrimSuffix(op, "Handler-fm")
|
|
|
|
|
op = strings.Replace(op, "objectAPIHandlers", "s3", 1)
|
|
|
|
|
op = strings.Replace(op, "webAPIHandlers", "webui", 1)
|
|
|
|
|
op = strings.Replace(op, "adminAPIHandlers", "admin", 1)
|
|
|
|
|
op = strings.Replace(op, "(*storageRESTServer)", "internal", 1)
|
|
|
|
|
op = strings.Replace(op, "(*peerRESTServer)", "internal", 1)
|
|
|
|
|
op = strings.Replace(op, "(*lockRESTServer)", "internal", 1)
|
|
|
|
|
op = strings.Replace(op, "(*stsAPIHandlers)", "sts", 1)
|
|
|
|
|
op = strings.Replace(op, "LivenessCheckHandler", "healthcheck", 1)
|
|
|
|
|
op = strings.Replace(op, "ReadinessCheckHandler", "healthcheck", 1)
|
|
|
|
|
op = strings.Replace(op, "-fm", "", 1)
|
|
|
|
|
return op
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Trace gets trace of http request
|
|
|
|
|
func Trace(f http.HandlerFunc, logBody bool, w http.ResponseWriter, r *http.Request) trace.Info {
|
|
|
|
|
name := getOpName(runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name())
|
|
|
|
|
|
|
|
|
|
// Setup a http request body recorder
|
|
|
|
|
reqHeaders := r.Header.Clone()
|
|
|
|
|
reqHeaders.Set("Host", r.Host)
|
|
|
|
|
if len(r.TransferEncoding) == 0 {
|
|
|
|
|
reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
|
|
|
|
|
}
|
|
|
|
|
for _, enc := range r.TransferEncoding {
|
|
|
|
|
reqHeaders.Add("Transfer-Encoding", enc)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var reqBodyRecorder *recordRequest
|
|
|
|
|
t := trace.Info{FuncName: name}
|
|
|
|
|
reqBodyRecorder = &recordRequest{Reader: r.Body, logBody: logBody, headers: reqHeaders}
|
|
|
|
|
r.Body = ioutil.NopCloser(reqBodyRecorder)
|
|
|
|
|
t.NodeName = r.Host
|
|
|
|
|
if globalIsDistErasure {
|
|
|
|
|
t.NodeName = GetLocalPeer(globalEndpoints)
|
|
|
|
|
}
|
|
|
|
|
// strip port from the host address
|
|
|
|
|
if host, _, err := net.SplitHostPort(t.NodeName); err == nil {
|
|
|
|
|
t.NodeName = host
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rw := logger.NewResponseWriter(w)
|
|
|
|
|
rw.LogErrBody = true
|
|
|
|
|
rw.LogAllBody = logBody
|
|
|
|
|
f(rw, r)
|
|
|
|
|
|
|
|
|
|
rq := trace.RequestInfo{
|
|
|
|
|
Time: time.Now().UTC(),
|
|
|
|
|
Proto: r.Proto,
|
|
|
|
|
Method: r.Method,
|
|
|
|
|
Path: r.URL.Path,
|
|
|
|
|
RawQuery: r.URL.RawQuery,
|
|
|
|
|
Client: handlers.GetSourceIP(r),
|
|
|
|
|
Headers: reqHeaders,
|
|
|
|
|
Body: reqBodyRecorder.Data(),
|
|
|
|
|
}
|
|
|
|
|
rs := trace.ResponseInfo{
|
|
|
|
|
Time: time.Now().UTC(),
|
|
|
|
|
Headers: rw.Header().Clone(),
|
|
|
|
|
StatusCode: rw.StatusCode,
|
|
|
|
|
Body: rw.Body(),
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if rs.StatusCode == 0 {
|
|
|
|
|
rs.StatusCode = http.StatusOK
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
t.ReqInfo = rq
|
|
|
|
|
t.RespInfo = rs
|
|
|
|
|
|
|
|
|
|
t.CallStats = trace.CallStats{
|
|
|
|
|
Latency: rs.Time.Sub(rw.StartTime),
|
|
|
|
|
InputBytes: reqBodyRecorder.Size(),
|
|
|
|
|
OutputBytes: rw.Size(),
|
|
|
|
|
TimeToFirstByte: rw.TimeToFirstByte,
|
|
|
|
|
}
|
|
|
|
|
return t
|
|
|
|
|
}
|
