Custom resource definition

Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>

vendor/k8s.io/code-generator/cmd/openapi-gen/main.go

@@ -0,0 +1,61 @@
+/*
+Copyright 2016 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.
+*/
+
+// This package generates openAPI definition file to be used in open API spec generation on API servers. To generate
+// definition for a specific type or package add "+k8s:openapi-gen=true" tag to the type/package comment lines. To
+// exclude a type from a tagged package, add "+k8s:openapi-gen=false" tag to the type comment lines.
+package main
+
+import (
+	"flag"
+	"path/filepath"
+
+	"github.com/golang/glog"
+	"github.com/spf13/pflag"
+	"k8s.io/gengo/args"
+	"k8s.io/kube-openapi/pkg/generators"
+
+	generatorargs "k8s.io/code-generator/cmd/openapi-gen/args"
+	"k8s.io/code-generator/pkg/util"
+)
+
+func main() {
+	genericArgs, customArgs := generatorargs.NewDefaults()
+
+	// Override defaults.
+	// TODO: move this out of openapi-gen
+	genericArgs.GoHeaderFilePath = filepath.Join(args.DefaultSourceTree(), util.BoilerplatePath())
+
+	genericArgs.AddFlags(pflag.CommandLine)
+	customArgs.AddFlags(pflag.CommandLine)
+	flag.Set("logtostderr", "true")
+	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
+	pflag.Parse()
+
+	if err := generatorargs.Validate(genericArgs); err != nil {
+		glog.Fatalf("Error: %v", err)
+	}
+
+	// Run it.
+	if err := genericArgs.Execute(
+		generators.NameSystems(),
+		generators.DefaultNameSystem(),
+		generators.Packages,
+	); err != nil {
+		glog.Fatalf("Error: %v", err)
+	}
+	glog.V(2).Info("Completed successfully.")
+}