46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package tracing
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import (
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"fmt"
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"github.com/emicklei/go-restful"
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"io/ioutil"
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"log"
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"net/http"
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)
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var JaegerQueryUrl = "http://jaeger-query.istio-system.svc:16686/jaeger"
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func GetServiceTracing(request *restful.Request, response *restful.Response) {
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namespace := request.PathParameter("namespace")
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service := request.PathParameter("service")
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serviceName := fmt.Sprintf("%s.%s", service, namespace)
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url := fmt.Sprintf("%s/api/traces?%s&service=%s", JaegerQueryUrl, request.Request.URL.RawQuery, serviceName)
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resp, err := http.Get(url)
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if err != nil {
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log.Printf("query jaeger faile with err %v", err)
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response.WriteError(http.StatusInternalServerError, err)
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return
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}
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body, err := ioutil.ReadAll(resp.Body)
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defer resp.Body.Close()
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if err != nil {
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log.Printf("read response error : %v", err)
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response.WriteError(http.StatusInternalServerError, err)
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return
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}
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// need to set header for proper response
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response.Header().Set("Content-Type", "application/json")
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_, err = response.Write(body)
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if err != nil {
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log.Printf("write response failed %v", err)
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}
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}
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