mirror of
https://github.com/rocky-linux/peridot.git
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70 lines
1.8 KiB
Go
70 lines
1.8 KiB
Go
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/*
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Copyright 2017 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 openapi
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import (
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"context"
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"encoding/json"
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"strings"
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"k8s.io/client-go/rest"
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"k8s.io/kube-openapi/pkg/handler3"
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)
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type Client interface {
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Paths() (map[string]GroupVersion, error)
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}
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type client struct {
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// URL includes the `hash` query param to take advantage of cache busting
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restClient rest.Interface
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}
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func NewClient(restClient rest.Interface) Client {
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return &client{
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restClient: restClient,
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}
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}
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func (c *client) Paths() (map[string]GroupVersion, error) {
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data, err := c.restClient.Get().
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AbsPath("/openapi/v3").
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Do(context.TODO()).
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Raw()
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if err != nil {
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return nil, err
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}
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discoMap := &handler3.OpenAPIV3Discovery{}
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err = json.Unmarshal(data, discoMap)
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if err != nil {
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return nil, err
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}
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// Create GroupVersions for each element of the result
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result := map[string]GroupVersion{}
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for k, v := range discoMap.Paths {
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// If the server returned a URL rooted at /openapi/v3, preserve any additional client-side prefix.
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// If the server returned a URL not rooted at /openapi/v3, treat it as an actual server-relative URL.
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// See https://github.com/kubernetes/kubernetes/issues/117463 for details
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useClientPrefix := strings.HasPrefix(v.ServerRelativeURL, "/openapi/v3")
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result[k] = newGroupVersion(c, v, useClientPrefix)
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}
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return result, nil
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}
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