From 26576cc66503d16ac00b8ccca896ccfa0f179b78 Mon Sep 17 00:00:00 2001
From: Xinzhao Xu <z2d@jifangcheng.com>
Date: Mon, 16 May 2022 16:14:33 +0800
Subject: [PATCH] Add get workspace API

---
 pkg/kapis/tenant/v1alpha3/handler.go  | 16 ++++++++++++++++
 pkg/kapis/tenant/v1alpha3/register.go |  8 ++++++++
 pkg/models/tenant/tenant.go           | 10 ++++++++++
 3 files changed, 34 insertions(+)

diff --git a/pkg/kapis/tenant/v1alpha3/handler.go b/pkg/kapis/tenant/v1alpha3/handler.go
index c1ea6d933..383c98268 100644
--- a/pkg/kapis/tenant/v1alpha3/handler.go
+++ b/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)
+}
diff --git a/pkg/kapis/tenant/v1alpha3/register.go b/pkg/kapis/tenant/v1alpha3/register.go
index 4dab916c4..ce2f7849e 100644
--- a/pkg/kapis/tenant/v1alpha3/register.go
+++ b/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
 }
diff --git a/pkg/models/tenant/tenant.go b/pkg/models/tenant/tenant.go
index 47d5ce7f9..7d2c395c6 100644
--- a/pkg/models/tenant/tenant.go
+++ b/pkg/models/tenant/tenant.go
@@ -72,6 +72,7 @@ const orphanFinalizer = "orphan.finalizers.kubesphere.io"
 
 type Interface interface {
 	ListWorkspaces(user user.Info, queryParam *query.Query) (*api.ListResult, error)
+	GetWorkspace(workspace string) (*tenantv1alpha1.Workspace, error)
 	ListWorkspaceTemplates(user user.Info, query *query.Query) (*api.ListResult, error)
 	CreateWorkspaceTemplate(workspace *tenantv1alpha2.WorkspaceTemplate) (*tenantv1alpha2.WorkspaceTemplate, error)
 	DeleteWorkspaceTemplate(workspace string, opts metav1.DeleteOptions) error
@@ -196,6 +197,15 @@ func (t *tenantOperator) ListWorkspaces(user user.Info, queryParam *query.Query)
 	return result, nil
 }
 
+func (t *tenantOperator) GetWorkspace(workspace string) (*tenantv1alpha1.Workspace, error) {
+	obj, err := t.resourceGetter.Get(tenantv1alpha1.ResourcePluralWorkspace, "", workspace)
+	if err != nil {
+		klog.Error(err)
+		return nil, err
+	}
+	return obj.(*tenantv1alpha1.Workspace), nil
+}
+
 func (t *tenantOperator) ListWorkspaceTemplates(user user.Info, queryParam *query.Query) (*api.ListResult, error) {
 
 	listWS := authorizer.AttributesRecord{