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add kiali client with authentication supports

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Signed-off-by: Roland.Ma <rolandma@yunify.com>
This commit is contained in:
Roland.Ma
2021-07-08 07:10:03 +00:00
parent a897caa366
commit 85fd94b922
8 changed files with 449 additions and 76 deletions
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152
pkg/kapis/servicemesh/metrics/v1alpha2/handler.go
View File

@@ -17,44 +17,67 @@ limitations under the License.
package v1alpha2
import (
"context"
"errors"
"fmt"
"io/ioutil"
"net/http"
"github.com/emicklei/go-restful"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/klog"
"kubesphere.io/kubesphere/pkg/api"
"kubesphere.io/kubesphere/pkg/simple/client/cache"
"kubesphere.io/kubesphere/pkg/simple/client/kiali"
"kubesphere.io/kubesphere/pkg/simple/client/servicemesh"
)
// default jaeger query api endpoint address
var JaegerQueryUrl = "http://jaeger-query.istio-system.svc:16686"
const (
KubesphereNamespace = "kubesphere-system"
KubeSphereServiceAccount = "kubesphere"
)
/*
Use Kiali API directly if config existed in configmap.
Such as:
kubectl -n kubesphere-system get cm kubesphere-config -oyaml
...
kialiQueryHost: http://kiali.istio-system:20001
...
type Handler struct {
opt *servicemesh.Options
client *kiali.Client
}
Otherwise, use the API provided by kiali code.
Announce: The API provided by kiali code will deprecated in the future.
*/
var KialiQueryUrl string
func NewHandler(o *servicemesh.Options, client kubernetes.Interface, cache cache.Interface) *Handler {
if o != nil && o.KialiQueryHost != "" {
sa, err := client.CoreV1().ServiceAccounts(KubesphereNamespace).Get(context.TODO(), KubeSphereServiceAccount, metav1.GetOptions{})
if err == nil {
secret, err := client.CoreV1().Secrets(KubesphereNamespace).Get(context.TODO(), sa.Secrets[0].Name, metav1.GetOptions{})
if err == nil {
return &Handler{
opt: o,
client: kiali.NewDefaultClient(
cache,
string(secret.Data["token"]),
o.KialiQueryHost,
),
}
}
klog.Warningf("get ServiceAccount's Secret failed %v", err)
}
klog.Warningf("get ServiceAccount failed %v", err)
}
// Handler should return Status code 400, instead of crash ks-apiserver
// when no client is defined.
return &Handler{opt: o, client: nil}
}
// Get app metrics
func getAppMetrics(request *restful.Request, response *restful.Response) {
func (h *Handler) GetAppMetrics(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
app := request.PathParameter("app")
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/apps/%s/metrics?%s", KialiQueryUrl, namespace, app, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/apps/%s/metrics?%s", namespace, app, request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get workload metrics
func getWorkloadMetrics(request *restful.Request, response *restful.Response) {
func (h *Handler) GetWorkloadMetrics(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
workload := request.PathParameter("workload")
@@ -62,77 +85,114 @@ func getWorkloadMetrics(request *restful.Request, response *restful.Response) {
request.Request.URL.RawQuery = fmt.Sprintf("%s&namespaces=%s&workload=%s", request.Request.URL.RawQuery, namespace, workload)
}
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/workloads/%s/metrics?%s", KialiQueryUrl, namespace, workload, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/workloads/%s/metrics?%s", namespace, workload, request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get service metrics
func getServiceMetrics(request *restful.Request, response *restful.Response) {
func (h *Handler) GetServiceMetrics(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
service := request.PathParameter("service")
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/services/%s/metrics?%s", KialiQueryUrl, namespace, service, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/services/%s/metrics?%s", namespace, service, request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get namespace metrics
func getNamespaceMetrics(request *restful.Request, response *restful.Response) {
func (h *Handler) GetNamespaceMetrics(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/metrics?%s", KialiQueryUrl, namespace, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/metrics?%s", namespace, request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get service graph for namespace
func getNamespaceGraph(request *restful.Request, response *restful.Response) {
func (h *Handler) 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)
}
url := fmt.Sprintf("%s/kiali/api/namespaces/graph?%s", KialiQueryUrl, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/graph?%s", request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get namespace health
func getNamespaceHealth(request *restful.Request, response *restful.Response) {
func (h *Handler) GetNamespaceHealth(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/health?%s", KialiQueryUrl, namespace, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/health?%s", namespace, request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get workload health
func getWorkloadHealth(request *restful.Request, response *restful.Response) {
func (h *Handler) GetWorkloadHealth(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
workload := request.PathParameter("workload")
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/workloads/%s/health?%s", KialiQueryUrl, namespace, workload, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/workloads/%s/health?%s", namespace, workload, request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get app health
func getAppHealth(request *restful.Request, response *restful.Response) {
func (h *Handler) GetAppHealth(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
app := request.PathParameter("app")
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/apps/%s/health?%s", KialiQueryUrl, namespace, app, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/apps/%s/health?%s", namespace, app, request.Request.URL.RawQuery)
h.getData(response, url)
}
// Get service health
func getServiceHealth(request *restful.Request, response *restful.Response) {
func (h *Handler) GetServiceHealth(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
service := request.PathParameter("service")
url := fmt.Sprintf("%s/kiali/api/namespaces/%s/services/%s/health?%s", KialiQueryUrl, namespace, service, request.Request.URL.RawQuery)
getData(response, url)
url := fmt.Sprintf("/kiali/api/namespaces/%s/services/%s/health?%s", namespace, service, request.Request.URL.RawQuery)
h.getData(response, url)
}
func getServiceTracing(request *restful.Request, response *restful.Response) {
func (h *Handler) 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)
getData(response, url)
url := fmt.Sprintf("%s/api/traces?%s&service=%s", h.opt.JaegerQueryHost, request.Request.URL.RawQuery, serviceName)
h.getJaegerData(response, url)
}
func getData(response *restful.Response, url string) {
func (h *Handler) getData(response *restful.Response, url string) {
if h.client == nil {
err := errors.New("kiali url is not defined")
api.HandleInternalError(response, nil, err)
return
}
resp, err := h.client.Get(url)
klog.V(4).Infof("Proxy request to %s", url)
if err != nil {
klog.Errorf("query url %s failed with err %v", url, 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)
}
}
// TODO: to be removed with a security Jaeger client
func (h *Handler) getJaegerData(response *restful.Response, url string) {
resp, err := http.Get(url)
klog.V(4).Infof("Proxy request to %s", url)

27
pkg/kapis/servicemesh/metrics/v1alpha2/register.go
View File

@@ -22,24 +22,29 @@ import (
"github.com/emicklei/go-restful"
restfulspec "github.com/emicklei/go-restful-openapi"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/kubernetes"
"kubesphere.io/kubesphere/pkg/apiserver/runtime"
"kubesphere.io/kubesphere/pkg/simple/client/cache"
"kubesphere.io/kubesphere/pkg/simple/client/servicemesh"
)
const groupName = "servicemesh.kubesphere.io"
var GroupVersion = schema.GroupVersion{Group: groupName, Version: "v1alpha2"}
func AddToContainer(c *restful.Container) error {
func AddToContainer(o *servicemesh.Options, c *restful.Container, client kubernetes.Interface, cache cache.Interface) error {
tags := []string{"ServiceMesh"}
webservice := runtime.NewWebService(GroupVersion)
h := NewHandler(o, client, cache)
// Get service metrics
// GET /namespaces/{namespace}/services/{service}/metrics
webservice.Route(webservice.GET("/namespaces/{namespace}/services/{service}/metrics").
To(getServiceMetrics).
To(h.GetServiceMetrics).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get service metrics from a specific namespace").
Param(webservice.PathParameter("namespace", "name of the namespace")).
@@ -59,7 +64,7 @@ func AddToContainer(c *restful.Container) error {
// Get app metrics
// Get /namespaces/{namespace}/apps/{app}/metrics
webservice.Route(webservice.GET("/namespaces/{namespace}/apps/{app}/metrics").
To(getAppMetrics).
To(h.GetAppMetrics).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get app metrics from a specific namespace").
Param(webservice.PathParameter("namespace", "name of the namespace")).
@@ -79,7 +84,7 @@ func AddToContainer(c *restful.Container) error {
// Get workload metrics
// Get /namespaces/{namespace}/workloads/{workload}/metrics
webservice.Route(webservice.GET("/namespaces/{namespace}/workloads/{workload}/metrics").
To(getWorkloadMetrics).
To(h.GetWorkloadMetrics).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get workload metrics from a specific namespace").
Param(webservice.PathParameter("namespace", "name of the namespace").Required(true)).
@@ -99,7 +104,7 @@ func AddToContainer(c *restful.Container) error {
// Get namespace metrics
// Get /namespaces/{namespace}/metrics
webservice.Route(webservice.GET("/namespaces/{namespace}/metrics").
To(getNamespaceMetrics).
To(h.GetNamespaceMetrics).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get metrics from a specific namespace").
Param(webservice.PathParameter("namespace", "name of the namespace").Required(true)).
@@ -118,7 +123,7 @@ func AddToContainer(c *restful.Container) error {
// Get namespace graph
// Get /namespaces/{namespace}/graph
webservice.Route(webservice.GET("/namespaces/{namespace}/graph").
To(getNamespaceGraph).
To(h.GetNamespaceGraph).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get service graph for a specific namespace").
Param(webservice.PathParameter("namespace", "name of a namespace").Required(true)).
@@ -133,7 +138,7 @@ func AddToContainer(c *restful.Container) error {
// Get namespace health
webservice.Route(webservice.GET("/namespaces/{namespace}/health").
To(getNamespaceHealth).
To(h.GetNamespaceHealth).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get app/service/workload health of a namespace").
Param(webservice.PathParameter("namespace", "name of a namespace").Required(true)).
@@ -145,7 +150,7 @@ func AddToContainer(c *restful.Container) error {
// Get workloads health
webservice.Route(webservice.GET("/namespaces/{namespace}/workloads/{workload}/health").
To(getWorkloadHealth).
To(h.GetWorkloadHealth).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get workload health").
Param(webservice.PathParameter("namespace", "name of a namespace").Required(true)).
@@ -156,7 +161,7 @@ func AddToContainer(c *restful.Container) error {
// Get app health
webservice.Route(webservice.GET("/namespaces/{namespace}/apps/{app}/health").
To(getAppHealth).
To(h.GetAppHealth).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get app health").
Param(webservice.PathParameter("namespace", "name of a namespace").Required(true)).
@@ -167,7 +172,7 @@ func AddToContainer(c *restful.Container) error {
// Get service health
webservice.Route(webservice.GET("/namespaces/{namespace}/services/{service}/health").
To(getServiceHealth).
To(h.GetServiceHealth).
Metadata(restfulspec.KeyOpenAPITags, tags).
Doc("Get service health").
Param(webservice.PathParameter("namespace", "name of a namespace").Required(true)).
@@ -178,7 +183,7 @@ func AddToContainer(c *restful.Container) error {
// Get service tracing
webservice.Route(webservice.GET("/namespaces/{namespace}/services/{service}/traces").
To(getServiceTracing).
To(h.GetServiceTracing).
Doc("Get tracing of a service, should have servicemesh enabled first").
Metadata(restfulspec.KeyOpenAPITags, tags).
Param(webservice.PathParameter("namespace", "namespace of service").Required(true)).