mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-03 19:58:17 +00:00
136 lines
3.7 KiB
Go
136 lines
3.7 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
|
|
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 client
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/golang/glog"
|
|
|
|
"k8s.io/kubernetes/pkg/util"
|
|
)
|
|
|
|
// RequestInfo keeps track of information about a request/response combination
|
|
type RequestInfo struct {
|
|
RequestHeaders http.Header
|
|
RequestVerb string
|
|
RequestURL string
|
|
|
|
ResponseStatus string
|
|
ResponseHeaders http.Header
|
|
ResponseErr error
|
|
|
|
Duration time.Duration
|
|
}
|
|
|
|
// NewRequestInfo creates a new RequestInfo based on an http request
|
|
func NewRequestInfo(req *http.Request) *RequestInfo {
|
|
reqInfo := &RequestInfo{}
|
|
reqInfo.RequestURL = req.URL.String()
|
|
reqInfo.RequestVerb = req.Method
|
|
reqInfo.RequestHeaders = req.Header
|
|
|
|
return reqInfo
|
|
}
|
|
|
|
// Complete adds information about the response to the RequestInfo
|
|
func (r *RequestInfo) Complete(response *http.Response, err error) {
|
|
if err != nil {
|
|
r.ResponseErr = err
|
|
return
|
|
}
|
|
r.ResponseStatus = response.Status
|
|
r.ResponseHeaders = response.Header
|
|
}
|
|
|
|
// ToCurl returns a string that can be run as a command in a terminal (minus the body)
|
|
func (r RequestInfo) ToCurl() string {
|
|
headers := ""
|
|
for key, values := range map[string][]string(r.RequestHeaders) {
|
|
for _, value := range values {
|
|
headers += fmt.Sprintf(` -H %q`, fmt.Sprintf("%s: %s", key, value))
|
|
}
|
|
}
|
|
|
|
return fmt.Sprintf("curl -k -v -X%s %s %s", r.RequestVerb, headers, r.RequestURL)
|
|
}
|
|
|
|
// DebuggingRoundTripper will display information about the requests passing through it based on what is configured
|
|
type DebuggingRoundTripper struct {
|
|
delegatedRoundTripper http.RoundTripper
|
|
|
|
Levels util.StringSet
|
|
}
|
|
|
|
const (
|
|
JustURL string = "url"
|
|
URLTiming string = "urltiming"
|
|
CurlCommand string = "curlcommand"
|
|
RequestHeaders string = "requestheaders"
|
|
ResponseStatus string = "responsestatus"
|
|
ResponseHeaders string = "responseheaders"
|
|
)
|
|
|
|
func NewDebuggingRoundTripper(rt http.RoundTripper, levels ...string) *DebuggingRoundTripper {
|
|
return &DebuggingRoundTripper{rt, util.NewStringSet(levels...)}
|
|
}
|
|
|
|
func (rt *DebuggingRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
reqInfo := NewRequestInfo(req)
|
|
|
|
if rt.Levels.Has(JustURL) {
|
|
glog.Infof("%s %s", reqInfo.RequestVerb, reqInfo.RequestURL)
|
|
}
|
|
if rt.Levels.Has(CurlCommand) {
|
|
glog.Infof("%s", reqInfo.ToCurl())
|
|
|
|
}
|
|
if rt.Levels.Has(RequestHeaders) {
|
|
glog.Infof("Request Headers:")
|
|
for key, values := range reqInfo.RequestHeaders {
|
|
for _, value := range values {
|
|
glog.Infof(" %s: %s", key, value)
|
|
}
|
|
}
|
|
}
|
|
|
|
startTime := time.Now()
|
|
response, err := rt.delegatedRoundTripper.RoundTrip(req)
|
|
reqInfo.Duration = time.Since(startTime)
|
|
|
|
reqInfo.Complete(response, err)
|
|
|
|
if rt.Levels.Has(URLTiming) {
|
|
glog.Infof("%s %s %s in %d milliseconds", reqInfo.RequestVerb, reqInfo.RequestURL, reqInfo.ResponseStatus, reqInfo.Duration.Nanoseconds()/int64(time.Millisecond))
|
|
}
|
|
if rt.Levels.Has(ResponseStatus) {
|
|
glog.Infof("Response Status: %s in %d milliseconds", reqInfo.ResponseStatus, reqInfo.Duration.Nanoseconds()/int64(time.Millisecond))
|
|
}
|
|
if rt.Levels.Has(ResponseHeaders) {
|
|
glog.Infof("Response Headers:")
|
|
for key, values := range reqInfo.ResponseHeaders {
|
|
for _, value := range values {
|
|
glog.Infof(" %s: %s", key, value)
|
|
}
|
|
}
|
|
}
|
|
|
|
return response, err
|
|
}
|