mirror of
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b5002f17ec
Co-authored-by: Alexander Zielensk <alexzielenski@gmail.com> Kubernetes-commit: 700e3b566428bca46d2d37514c8fd7af60c7ff34
102 lines
3.0 KiB
Go
102 lines
3.0 KiB
Go
/*
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Copyright 2023 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 openapitest
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import (
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"embed"
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"errors"
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"io/fs"
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"os"
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"strings"
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"k8s.io/client-go/openapi"
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)
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//go:embed testdata/*_openapi.json
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var embedded embed.FS
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// NewFileClient returns a test client implementing the openapi.Client
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// interface, which serves Open API V3 specifications files from the
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// given path, as prepared in `api/openapi-spec/v3`.
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func NewFileClient(path string) openapi.Client {
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return &fileClient{f: os.DirFS(path)}
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}
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// NewEmbeddedFileClient returns a test client that uses the embedded
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// `testdata` openapi files.
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func NewEmbeddedFileClient() openapi.Client {
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f, err := fs.Sub(embedded, "testdata")
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if err != nil {
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panic(err)
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}
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return &fileClient{f: f}
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}
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type fileClient struct {
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f fs.FS
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}
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// fileClient implements the openapi.Client interface.
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var _ openapi.Client = &fileClient{}
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// Paths returns a map of api path string to openapi.GroupVersion or
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// an error. The OpenAPI V3 GroupVersion specifications are hard-coded
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// in the "testdata" subdirectory. The api path is derived from the
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// spec filename. Example:
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//
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// apis__apps__v1_openapi.json -> apis/apps/v1
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//
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// The file contents are read only once. All files must parse correctly
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// into an api path, or an error is returned.
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func (f *fileClient) Paths() (map[string]openapi.GroupVersion, error) {
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paths := map[string]openapi.GroupVersion{}
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entries, err := fs.ReadDir(f.f, ".")
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if err != nil {
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return nil, err
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}
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for _, e := range entries {
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// this reverses the transformation done in hack/update-openapi-spec.sh
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path := strings.ReplaceAll(strings.TrimSuffix(e.Name(), "_openapi.json"), "__", "/")
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paths[path] = &fileGroupVersion{f: f.f, filename: e.Name()}
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}
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return paths, nil
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}
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type fileGroupVersion struct {
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f fs.FS
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filename string
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}
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// fileGroupVersion implements the openapi.GroupVersion interface.
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var _ openapi.GroupVersion = &fileGroupVersion{}
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// Schema returns the OpenAPI V3 specification for the GroupVersion as
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// unstructured bytes, or an error if the contentType is not
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// "application/json" or there is an error reading the spec file. The
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// file is read only once.
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func (f *fileGroupVersion) Schema(contentType string) ([]byte, error) {
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if contentType != "application/json" {
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return nil, errors.New("openapitest only supports 'application/json' contentType")
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}
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return fs.ReadFile(f.f, f.filename)
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}
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// ServerRelativeURL returns an empty string.
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func (f *fileGroupVersion) ServerRelativeURL() string {
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return f.filename
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}
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