Files
kubesphere/pkg/kapis/servicemesh/metrics/v1alpha2/handler.go
2020-05-30 23:54:21 +08:00

113 lines
3.1 KiB
Go

package v1alpha2
import (
"fmt"
"github.com/emicklei/go-restful"
"github.com/kiali/kiali/handlers"
"io/ioutil"
"k8s.io/klog"
"kubesphere.io/kubesphere/pkg/api"
"net/http"
)
// default jaeger query api endpoint address
var JaegerQueryUrl = "http://jaeger-query.istio-system.svc:16686"
// Get app metrics
func getAppMetrics(request *restful.Request, response *restful.Response) {
handlers.AppMetrics(request, response)
}
// Get workload metrics
func getWorkloadMetrics(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
workload := request.PathParameter("workload")
if len(namespace) > 0 && len(workload) > 0 {
request.Request.URL.RawQuery = fmt.Sprintf("%s&namespaces=%s&workload=%s", request.Request.URL.RawQuery, namespace, workload)
}
handlers.WorkloadMetrics(request, response)
}
// Get service metrics
func getServiceMetrics(request *restful.Request, response *restful.Response) {
handlers.ServiceMetrics(request, response)
}
// Get namespace metrics
func getNamespaceMetrics(request *restful.Request, response *restful.Response) {
handlers.NamespaceMetrics(request, response)
}
// Get service graph for namespace
func getNamespaceGraph(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
if len(namespace) > 0 {
request.Request.URL.RawQuery = fmt.Sprintf("%s&namespaces=%s", request.Request.URL.RawQuery, namespace)
}
handlers.GetNamespaceGraph(request, response)
}
// Get service graph for namespaces
func getNamespacesGraph(request *restful.Request, response *restful.Response) {
handlers.GraphNamespaces(request, response)
}
// Get namespace health
func getNamespaceHealth(request *restful.Request, response *restful.Response) {
handlers.NamespaceHealth(request, response)
}
// Get workload health
func getWorkloadHealth(request *restful.Request, response *restful.Response) {
handlers.WorkloadHealth(request, response)
}
// Get app health
func getAppHealth(request *restful.Request, response *restful.Response) {
handlers.AppHealth(request, response)
}
// Get service health
func getServiceHealth(request *restful.Request, response *restful.Response) {
handlers.ServiceHealth(request, response)
}
func getServiceTracing(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
service := request.PathParameter("service")
serviceName := fmt.Sprintf("%s.%s", service, namespace)
url := fmt.Sprintf("%s/api/traces?%s&service=%s", JaegerQueryUrl, request.Request.URL.RawQuery, serviceName)
resp, err := http.Get(url)
klog.V(4).Infof("Proxy trace request to %s", url)
if err != nil {
klog.Errorf("query jaeger failed with err %v", err)
api.HandleInternalError(response, nil, err)
return
}
body, err := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()
if err != nil {
klog.Errorf("read response error : %v", err)
api.HandleInternalError(response, nil, err)
return
}
// need to set header for proper response
response.Header().Set("Content-Type", "application/json")
_, err = response.Write(body)
if err != nil {
klog.Errorf("write response failed %v", err)
}
}