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106 lines
3.6 KiB
106 lines
3.6 KiB
/*
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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 util
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import (
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"reflect"
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"strings"
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)
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// [DEPRECATED] ToCanonicalName converts Golang package/type canonical name into REST friendly OpenAPI name.
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// This method is deprecated because it has a misleading name. Please use ToRESTFriendlyName
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// instead
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//
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// NOTE: actually the "canonical name" in this method should be named "REST friendly OpenAPI name",
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// which is different from "canonical name" defined in GetCanonicalTypeName. The "canonical name" defined
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// in GetCanonicalTypeName means Go type names with full package path.
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//
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// Examples of REST friendly OpenAPI name:
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// Input: k8s.io/api/core/v1.Pod
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// Output: io.k8s.api.core.v1.Pod
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//
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// Input: k8s.io/api/core/v1
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// Output: io.k8s.api.core.v1
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//
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// Input: csi.storage.k8s.io/v1alpha1.CSINodeInfo
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// Output: io.k8s.storage.csi.v1alpha1.CSINodeInfo
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func ToCanonicalName(name string) string {
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return ToRESTFriendlyName(name)
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}
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// ToRESTFriendlyName converts Golang package/type canonical name into REST friendly OpenAPI name.
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//
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// Examples of REST friendly OpenAPI name:
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// Input: k8s.io/api/core/v1.Pod
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// Output: io.k8s.api.core.v1.Pod
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//
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// Input: k8s.io/api/core/v1
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// Output: io.k8s.api.core.v1
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//
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// Input: csi.storage.k8s.io/v1alpha1.CSINodeInfo
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// Output: io.k8s.storage.csi.v1alpha1.CSINodeInfo
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func ToRESTFriendlyName(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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// OpenAPICanonicalTypeNamer is an interface for models without Go type to seed model name.
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//
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// OpenAPI canonical names are Go type names with full package path, for uniquely indentifying
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// a model / Go type. If a Go type is vendored from another package, only the path after "/vendor/"
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// should be used. For custom resource definition (CRD), the canonical name is expected to be
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// group/version.kind
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//
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// Examples of canonical name:
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// Go type: k8s.io/kubernetes/pkg/apis/core.Pod
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// CRD: csi.storage.k8s.io/v1alpha1.CSINodeInfo
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//
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// Example for vendored Go type:
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// Original full path: k8s.io/kubernetes/vendor/k8s.io/api/core/v1.Pod
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// Canonical name: k8s.io/api/core/v1.Pod
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type OpenAPICanonicalTypeNamer interface {
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OpenAPICanonicalTypeName() string
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}
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// GetCanonicalTypeName will find the canonical type name of a sample object, removing
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// the "vendor" part of the path
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func GetCanonicalTypeName(model interface{}) string {
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if namer, ok := model.(OpenAPICanonicalTypeNamer); ok {
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return namer.OpenAPICanonicalTypeName()
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}
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t := reflect.TypeOf(model)
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if t.Kind() == reflect.Ptr {
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t = t.Elem()
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}
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if t.PkgPath() == "" {
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return t.Name()
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}
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path := t.PkgPath()
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if strings.Contains(path, "/vendor/") {
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path = path[strings.Index(path, "/vendor/")+len("/vendor/"):]
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}
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return path + "." + t.Name()
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}
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