Add network topology APIs

Signed-off-by: Zhengyi Lai <zheng1@yunify.com>

pkg/kapis/network/v1alpha2/register.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2020 The KubeSphere authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha2
+
+import (
+	"net/http"
+
+	restful "github.com/emicklei/go-restful"
+	restfulspec "github.com/emicklei/go-restful-openapi"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"kubesphere.io/kubesphere/pkg/apiserver/runtime"
+	"kubesphere.io/kubesphere/pkg/constants"
+)
+
+const GroupName = "network.kubesphere.io"
+
+var GroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1alpha2"}
+
+func AddToContainer(c *restful.Container) error {
+	webservice := runtime.NewWebService(GroupVersion)
+
+	webservice.Route(webservice.GET("/namespaces/{namespace}/topology").
+		To(getNamespaceTopology).
+		Metadata(restfulspec.KeyOpenAPITags, []string{constants.NetworkTopologyTag}).
+		Doc("Get the topology with specifying a namespace").
+		Param(webservice.PathParameter("namespace", "name of the namespace").Required(true)).
+		Returns(http.StatusOK, "ok", TopologyResponse{}).
+		Writes(TopologyResponse{})).Produces(restful.MIME_JSON)
+
+	webservice.Route(webservice.GET("/namespaces/{namespace}/topology/{node_id}").
+		To(getNamespaceNodeTopology).
+		Metadata(restfulspec.KeyOpenAPITags, []string{constants.NetworkTopologyTag}).
+		Doc("Get the topology with specifying a node id in the whole topology and specifying a namespace").
+		Param(webservice.PathParameter("namespace", "name of the namespace").Required(true)).
+		Param(webservice.PathParameter("node_id", "id of the node in the whole topology").Required(true)).
+		Returns(http.StatusOK, "ok", NodeResponse{}).
+		Writes(NodeResponse{})).Produces(restful.MIME_JSON)
+
+	c.Add(webservice)
+
+	return nil
+}