feat: add crd gen

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/k8s.io/apiserver/pkg/server/routes/version.go

@@ -0,0 +1,57 @@
+/*
+Copyright 2014 The Kubernetes 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 routes
+
+import (
+	"net/http"
+
+	"github.com/emicklei/go-restful"
+
+	"k8s.io/apimachinery/pkg/version"
+	"k8s.io/apiserver/pkg/endpoints/handlers/responsewriters"
+)
+
+// Version provides a webservice with version information.
+type Version struct {
+	Version *version.Info
+}
+
+// Install registers the APIServer's `/version` handler.
+func (v Version) Install(c *restful.Container) {
+	if v.Version == nil {
+		return
+	}
+
+	// Set up a service to return the git code version.
+	versionWS := new(restful.WebService)
+	versionWS.Path("/version")
+	versionWS.Doc("git code version from which this is built")
+	versionWS.Route(
+		versionWS.GET("/").To(v.handleVersion).
+			Doc("get the code version").
+			Operation("getCodeVersion").
+			Produces(restful.MIME_JSON).
+			Consumes(restful.MIME_JSON).
+			Writes(version.Info{}))
+
+	c.Add(versionWS)
+}
+
+// handleVersion writes the server's version information.
+func (v Version) handleVersion(req *restful.Request, resp *restful.Response) {
+	responsewriters.WriteRawJSON(http.StatusOK, *v.Version, resp.ResponseWriter)
+}