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http_client.go
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/
http_client.go
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package logic
import (
"bytes"
"context"
"errors"
"github.com/klovercloud-ci-cd/agent/config"
"github.com/klovercloud-ci-cd/agent/core/v1/service"
"github.com/klovercloud-ci-cd/agent/opentracing"
opentracer "github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/ext"
"io/ioutil"
"log"
"net/http"
"strconv"
)
type httpClientService struct {
}
func (h httpClientService) Post(url string, header map[string]string, body []byte) error {
//log.Println("Posting ...", url, string(body))
req, err := http.NewRequest("POST", url, bytes.NewBuffer(body))
for k, v := range header {
req.Header.Set(k, v)
}
client := &http.Client{}
startTraceSpan(req, url, "POST")
resp, err := client.Do(req)
if err != nil {
log.Println("[ERROR] Failed communicate :", err.Error())
return err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Println("[ERROR] Failed communicate :", err.Error())
} else {
log.Println("[ERROR] Failed communicate ::", string(body))
}
}
return nil
}
func (h httpClientService) Get(url string, header map[string]string) ([]byte, error) {
client := http.Client{}
req, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Println(err.Error())
return nil, err
}
for k, v := range header {
req.Header.Set(k, v)
}
startTraceSpan(req, url, "GET")
res, err := client.Do(req)
if err != nil {
log.Println(err.Error())
return nil, err
}
defer res.Body.Close()
if res.StatusCode == http.StatusOK {
jsonDataFromHttp, err := ioutil.ReadAll(res.Body)
if err != nil {
log.Println(err.Error())
return nil, err
}
return jsonDataFromHttp, nil
}
return nil, errors.New("Status: " + res.Status + ", code: " + strconv.Itoa(res.StatusCode))
}
// startTraceSpan starts a span
func startTraceSpan(req *http.Request, url, httpMethod string) {
if config.EnableOpenTracing {
span, _ := opentracer.StartSpanFromContext(context.Background(), "client")
ext.SpanKindRPCClient.Set(span)
ext.HTTPUrl.Set(span, url)
ext.HTTPMethod.Set(span, httpMethod)
defer span.Finish()
if err := opentracing.Inject(span, req); err != nil {
log.Println(err.Error())
}
}
}
// NewHttpClientService returns HttpClient type service
func NewHttpClientService() service.HttpClient {
return &httpClientService{}
}