Add get workspace API

pkg/kapis/tenant/v1alpha3/handler.go

@@ -20,6 +20,7 @@ import (
 	"fmt"
 
 	"github.com/emicklei/go-restful"
+	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/klog"
 
@@ -78,3 +79,18 @@ func (h *tenantHandler) ListWorkspaces(req *restful.Request, resp *restful.Respo
 
 	resp.WriteEntity(result)
 }
+
+func (h *tenantHandler) GetWorkspace(request *restful.Request, response *restful.Response) {
+	workspace, err := h.tenant.GetWorkspace(request.PathParameter("workspace"))
+	if err != nil {
+		klog.Error(err)
+		if errors.IsNotFound(err) {
+			api.HandleNotFound(response, request, err)
+			return
+		}
+		api.HandleInternalError(response, request, err)
+		return
+	}
+
+	response.WriteEntity(workspace)
+}

pkg/kapis/tenant/v1alpha3/register.go

@@ -23,6 +23,7 @@ import (
 	restfulspec "github.com/emicklei/go-restful-openapi"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/client-go/kubernetes"
+	tenantv1alpha1 "kubesphere.io/api/tenant/v1alpha1"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
 
 	tenantv1alpha2 "kubesphere.io/api/tenant/v1alpha2"
@@ -115,6 +116,13 @@ func AddToContainer(c *restful.Container, factory informers.InformerFactory, k8s
 		Doc("List all workspaces that belongs to the current user").
 		Metadata(restfulspec.KeyOpenAPITags, []string{constants.WorkspaceTag}))
 
+	ws.Route(ws.GET("/workspaces/{workspace}").
+		To(handler.GetWorkspace).
+		Param(ws.PathParameter("workspace", "workspace name")).
+		Returns(http.StatusOK, api.StatusOK, tenantv1alpha1.Workspace{}).
+		Doc("Get workspace.").
+		Metadata(restfulspec.KeyOpenAPITags, []string{constants.WorkspaceTag}))
+
 	c.Add(ws)
 	return nil
 }