ResourceGetter v1beta1 (#5416)

* add resource getter & reader Signed-off-by: Wenhao Zhou <wenhaozhou@yunify.com> * add resource v1beta1 handler * delete gvrToGvk map instead of using the dynamicRESTMapper for getting gvk, and rename the ResourceLister to ResourceGetter * add unregisteredMiddleware filter Signed-off-by: wenhaozhou <wenhaozhou@yunify.com> * add secret contains benchmark & add fieldSelector to resourcev1beta1 Signed-off-by: Wenhao Zhou <wenhaozhou@yunify.com> * delete crds models Signed-off-by: wenhaozhou <wenhaozhou@yunify.com> * delete parameterExtractor and instead of requestInfo Signed-off-by: Wenhao Zhou <wenhaozhou@yunify.com> * add benchmark test * move fieldSelector to DefaultObjectMetaFilter Signed-off-by: wenhaozhou <wenhaozhou@yunify.com> * move fieldSelector to DefaultObjectMetaFilter * change registeredGv type to set Signed-off-by: wenhaozhou <wenhaozhou@yunify.com> * update filter chains Signed-off-by: wenhaozhou <wenhaozhou@yunify.com> * fix fieldSelector cannot work Signed-off-by: wenhaozhou <wenhaozhou@yunify.com> * fix: list known type do not need served label Signed-off-by: wenhaozhou <wenhaozhou@yunify.com> --------- Signed-off-by: Wenhao Zhou <wenhaozhou@yunify.com> Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>
2023-02-08 15:00:15 +08:00
parent 1c49fcd57e
commit 23df7b051b
14 changed files with 566 additions and 804 deletions
--- a/pkg/apiserver/proxies/unregistered.go
+++ b/pkg/apiserver/proxies/unregistered.go
@@ -0,0 +1,108 @@
+package proxies
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/emicklei/go-restful"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/sets"
+	"k8s.io/klog/v2"
+
+	"kubesphere.io/kubesphere/pkg/api"
+	"kubesphere.io/kubesphere/pkg/apiserver/filters"
+	"kubesphere.io/kubesphere/pkg/apiserver/query"
+	"kubesphere.io/kubesphere/pkg/apiserver/request"
+	"kubesphere.io/kubesphere/pkg/models/resources/v1beta1"
+)
+
+type unregisteredMiddleware struct {
+	registeredGv   sets.String
+	resourceGetter v1beta1.ResourceGetter
+}
+
+func NewUnregisteredMiddleware(c *restful.Container, resourceGetter v1beta1.ResourceGetter) filters.Middleware {
+	middleware := &unregisteredMiddleware{
+		registeredGv:   sets.NewString(),
+		resourceGetter: resourceGetter,
+	}
+
+	for _, ws := range c.RegisteredWebServices() {
+		rootPath := ws.RootPath()
+		if strings.HasPrefix(rootPath, "/kapis") {
+			middleware.registeredGv.Insert(rootPath)
+		}
+	}
+
+	return middleware
+}
+
+func (u *unregisteredMiddleware) Handle(w http.ResponseWriter, req *http.Request) bool {
+	if req.Method != http.MethodGet {
+		return false
+	}
+
+	reqInfo, exist := request.RequestInfoFrom(req.Context())
+	if !exist {
+		return false
+	}
+
+	if reqInfo.IsKubernetesRequest {
+		return false
+	}
+
+	gvr := schema.GroupVersionResource{
+		Group:    reqInfo.APIGroup,
+		Version:  reqInfo.APIVersion,
+		Resource: reqInfo.Resource,
+	}
+
+	if gvr.Group == "" ||
+		gvr.Version == "" ||
+		gvr.Resource == "" {
+		return false
+	}
+
+	rootPath := fmt.Sprintf("/kapis/%s/%s", gvr.Group, gvr.Version)
+	if u.registeredGv.Has(rootPath) {
+		return true
+	}
+
+	var (
+		listReq bool
+		q       *query.Query
+	)
+	restfulReq := restful.NewRequest(req)
+	restfulResp := restful.NewResponse(w)
+	if reqInfo.Name == "" {
+		listReq = true
+		q = query.ParseQueryParameter(restfulReq)
+	}
+
+	var (
+		result interface{}
+		err    error
+	)
+	if listReq {
+		result, err = u.resourceGetter.ListResources(gvr, reqInfo.Namespace, q)
+	} else {
+		result, err = u.resourceGetter.GetResource(gvr, reqInfo.Name, reqInfo.Namespace)
+	}
+	handleResponse(result, err, restfulResp, restfulReq)
+	return true
+}
+
+func handleResponse(result interface{}, err error, resp *restful.Response, req *restful.Request) {
+	resp.SetRequestAccepts(restful.MIME_JSON)
+	if err != nil {
+		if err == v1beta1.ErrResourceNotSupported {
+			api.HandleBadRequest(resp, req, err)
+			return
+		}
+		klog.Error(err)
+		api.HandleError(resp, req, err)
+		return
+	}
+	resp.WriteEntity(result)
+}