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feat: openapi generator with complete information inferring
Signed-off-by: Marc Nuri <[email protected]>
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94 changes: 94 additions & 0 deletions
94
kubernetes-model-generator/openapi/generator/pkg/openapi/openapi.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /** | ||
| * Copyright (C) 2015 Red Hat, Inc. | ||
| * | ||
| * 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 openapi | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "k8s.io/kube-openapi/pkg/validation/spec" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| type Generator struct { | ||
| name string | ||
| targetDirectory string | ||
| definitions map[string]spec.Schema | ||
| packageMappings map[string]string | ||
| } | ||
|
|
||
| func NewGenerator(targetDirectory string, name string) *Generator { | ||
| return &Generator{ | ||
| name: name, | ||
| targetDirectory: targetDirectory, | ||
| definitions: make(map[string]spec.Schema), | ||
| packageMappings: make(map[string]string), | ||
| } | ||
| } | ||
|
|
||
| func (g *Generator) PutDefinition(name string, schema spec.Schema) { | ||
| g.definitions[name] = schema | ||
| } | ||
|
|
||
| func (g *Generator) PutPackageMapping(name, target string) { | ||
| g.packageMappings[name] = target | ||
| } | ||
|
|
||
| func (g *Generator) WriteDefinitions() error { | ||
| data, err := json.MarshalIndent(&spec.Swagger{ | ||
| SwaggerProps: spec.SwaggerProps{ | ||
| Definitions: g.definitions, | ||
| Info: &spec.Info{ | ||
| InfoProps: spec.InfoProps{ | ||
| Title: "Kubernetes", | ||
| Version: "0.0.0", | ||
| }, | ||
| }, | ||
| Swagger: "2.0", | ||
| }, | ||
| }, "", " ") | ||
| if err != nil { | ||
| return fmt.Errorf("error serializing OpenAPI schema: %w", err) | ||
| } | ||
| err = os.WriteFile(filepath.Join(g.targetDirectory, g.name+".json"), data, 0644) | ||
| if err != nil { | ||
| return fmt.Errorf("error writing OpenAPI schema: %w", err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // FriendlyName returns an OpenAPI friendly name for the given name. | ||
| // From vendor/k8s.io/apiserver/pkg/endpoints/openapi/openapi.go | ||
| // https://github.com/kubernetes/apiserver/blob/60d1ca672541e1b30b558e32e53cad7c172345a6/pkg/endpoints/openapi/openapi.go#L136-L147 | ||
| func (g *Generator) FriendlyName(name string) string { | ||
| for k, v := range g.packageMappings { | ||
| if strings.HasPrefix(name, k) { | ||
| name = strings.Replace(name, k, v, 1) | ||
| break | ||
| } | ||
| } | ||
| nameParts := strings.Split(name, "/") | ||
| // Reverse first part. e.g., io.k8s... instead of k8s.io... | ||
| if len(nameParts) > 0 && strings.Contains(nameParts[0], ".") { | ||
| parts := strings.Split(nameParts[0], ".") | ||
| for i, j := 0, len(parts)-1; i < j; i, j = i+1, j-1 { | ||
| parts[i], parts[j] = parts[j], parts[i] | ||
| } | ||
| nameParts[0] = strings.Join(parts, ".") | ||
| } | ||
| return strings.Join(nameParts, ".") | ||
| } |
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