69 lines
2 KiB
Go
69 lines
2 KiB
Go
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/*
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Copyright 2015 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 thirdpartyresourcedata
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import (
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"fmt"
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"strings"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/kubernetes/pkg/apis/extensions"
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)
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func ExtractGroupVersionKind(list *extensions.ThirdPartyResourceList) ([]schema.GroupVersion, []schema.GroupVersionKind, error) {
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gvs := []schema.GroupVersion{}
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gvks := []schema.GroupVersionKind{}
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for ix := range list.Items {
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rsrc := &list.Items[ix]
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kind, group, err := ExtractApiGroupAndKind(rsrc)
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if err != nil {
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return nil, nil, err
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}
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for _, version := range rsrc.Versions {
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gv := schema.GroupVersion{Group: group, Version: version.Name}
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gvs = append(gvs, gv)
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gvks = append(gvks, schema.GroupVersionKind{Group: group, Version: version.Name, Kind: kind})
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}
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}
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return gvs, gvks, nil
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}
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func convertToCamelCase(input string) string {
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result := ""
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toUpper := true
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for ix := range input {
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char := input[ix]
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if toUpper {
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result = result + string([]byte{(char - 32)})
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toUpper = false
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} else if char == '-' {
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toUpper = true
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} else {
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result = result + string([]byte{char})
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}
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}
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return result
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}
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func ExtractApiGroupAndKind(rsrc *extensions.ThirdPartyResource) (kind string, group string, err error) {
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parts := strings.Split(rsrc.Name, ".")
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if len(parts) < 3 {
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return "", "", fmt.Errorf("unexpectedly short resource name: %s, expected at least <kind>.<domain>.<tld>", rsrc.Name)
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}
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return convertToCamelCase(parts[0]), strings.Join(parts[1:], "."), nil
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}
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