Bumping k8s dependencies to 1.13

vendor/github.com/googleapis/gnostic/linters/go/gnostic-lint-descriptions/main.go

@@ -0,0 +1,61 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// 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.
+
+// gnostic_lint is a tool for analyzing OpenAPI descriptions.
+//
+// It scans an API description and checks it against a set of
+// coding style guidelines.
+//
+// Results are returned in a JSON structure.
+package main
+
+import (
+	"github.com/golang/protobuf/proto"
+	openapiv2 "github.com/googleapis/gnostic/OpenAPIv2"
+	openapiv3 "github.com/googleapis/gnostic/OpenAPIv3"
+	plugins "github.com/googleapis/gnostic/plugins"
+)
+
+type DocumentLinter interface {
+	Run() []*plugins.Message
+}
+
+// This is the main function for the plugin.
+func main() {
+	env, err := plugins.NewEnvironment()
+	env.RespondAndExitIfError(err)
+
+	var linter DocumentLinter
+
+	for _, model := range env.Request.Models {
+		switch model.TypeUrl {
+		case "openapi.v2.Document":
+			documentv2 := &openapiv2.Document{}
+			err = proto.Unmarshal(model.Value, documentv2)
+			if err == nil {
+				linter = NewDocumentLinterV2(documentv2)
+				env.Response.Messages = linter.Run()
+			}
+		case "openapi.v3.Document":
+			documentv3 := &openapiv3.Document{}
+			err = proto.Unmarshal(model.Value, documentv3)
+			if err == nil {
+				linter = NewDocumentLinterV3(documentv3)
+				env.Response.Messages = linter.Run()
+			}
+		}
+	}
+
+	env.RespondAndExit()
+}