openapispec.go

/*
 * This file is part of the KubeVirt project
 *
 * 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.
 *
 * Copyright 2017 Red Hat, Inc.
 *
 */

package main

import (
	"encoding/json"
	"flag"
	"io/ioutil"
	"log"

	restful "github.com/emicklei/go-restful"
	"github.com/spf13/pflag"

	klog "kubevirt.io/client-go/log"
	"kubevirt.io/kubevirt/pkg/util/openapi"
	virt_api "kubevirt.io/kubevirt/pkg/virt-api"
	"kubevirt.io/kubevirt/pkg/virt-api/rest"
)

func dumpOpenApiSpec(dumppath *string, apiws []*restful.WebService) {
	openapispec := openapi.LoadOpenAPISpec(append(apiws, restful.RegisteredWebServices()...))
	data, err := json.MarshalIndent(openapispec, " ", " ")
	if err != nil {
		log.Fatal(err)
	}
	err = ioutil.WriteFile(*dumppath, data, 0644)
	if err != nil {
		log.Fatal(err)
	}
}

func main() {
	dumpapispecpath := flag.String("dump-api-spec-path", "openapi.json", "Path to OpenApi dump.")
	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
	// client-go requires a config or a master to be set in order to configure a client
	pflag.Set("master", "http://127.0.0.1:4321")
	pflag.Parse()

	klog.InitializeLogging("openapispec")

	// arguments for NewVirtAPIApp have no influence on the generated spec
	app := virt_api.NewVirtApi()
	app.Compose()
	dumpOpenApiSpec(dumpapispecpath, rest.ComposeAPIDefinitions())
}