mirror of
https://github.com/k3s-io/kubernetes.git
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79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"strings"
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"k8s.io/kube-openapi/pkg/validation/spec"
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"k8s.io/kubernetes/pkg/generated/openapi"
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)
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// Outputs openAPI schema JSON containing the schema definitions in zz_generated.openapi.go.
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func main() {
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err := output()
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if err != nil {
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os.Stderr.WriteString(fmt.Sprintf("Failed: %v", err))
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os.Exit(1)
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}
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}
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func output() error {
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refFunc := func(name string) spec.Ref {
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return spec.MustCreateRef(fmt.Sprintf("#/definitions/%s", friendlyName(name)))
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}
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defs := openapi.GetOpenAPIDefinitions(refFunc)
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schemaDefs := make(map[string]spec.Schema, len(defs))
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for k, v := range defs {
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schemaDefs[friendlyName(k)] = v.Schema
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}
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data, err := json.Marshal(&spec.Swagger{
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SwaggerProps: spec.SwaggerProps{
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Definitions: schemaDefs,
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Info: &spec.Info{
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InfoProps: spec.InfoProps{
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Title: "Kubernetes",
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Version: "unversioned",
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},
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},
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Swagger: "2.0",
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},
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})
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if err != nil {
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return fmt.Errorf("error serializing api definitions: %w", err)
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}
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_, err = os.Stdout.Write(data)
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return nil
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}
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// From vendor/k8s.io/apiserver/pkg/endpoints/openapi/openapi.go
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func friendlyName(name string) string {
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nameParts := strings.Split(name, "/")
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// Reverse first part. e.g., io.k8s... instead of k8s.io...
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if len(nameParts) > 0 && strings.Contains(nameParts[0], ".") {
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parts := strings.Split(nameParts[0], ".")
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for i, j := 0, len(parts)-1; i < j; i, j = i+1, j-1 {
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parts[i], parts[j] = parts[j], parts[i]
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}
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nameParts[0] = strings.Join(parts, ".")
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}
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return strings.Join(nameParts, ".")
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}
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