36643b77b4
- upgrade from apiextension v1beta1 to v1 - generate yaml manifest for crd intead of applying it at runtime - users will have to apply the manifest with kubectl - kg and kgctl log an error if the crd is not present - now validation should actually work Signed-off-by: leonnicolas <leonloechner@gmx.de>
62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
/*
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Copyright 2019 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 yaml
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import (
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"encoding/json"
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"fmt"
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"gopkg.in/yaml.v3"
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)
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// ToYAML converts some object that serializes to JSON into a YAML node tree.
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// It's useful since it pays attention to JSON tags, unlike yaml.Unmarshal or
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// yaml.Node.Decode.
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func ToYAML(rawObj interface{}) (*yaml.Node, error) {
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if rawObj == nil {
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return &yaml.Node{Kind: yaml.ScalarNode, Value: "null", Tag: "!!null"}, nil
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}
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rawJSON, err := json.Marshal(rawObj)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal object: %w", err)
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}
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var out yaml.Node
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if err := yaml.Unmarshal(rawJSON, &out); err != nil {
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return nil, fmt.Errorf("unable to unmarshal marshalled object: %w", err)
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}
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return &out, nil
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}
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// changeAll calls the given callback for all nodes in
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// the given YAML node tree.
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func changeAll(root *yaml.Node, cb func(*yaml.Node)) {
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cb(root)
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for _, child := range root.Content {
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changeAll(child, cb)
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}
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}
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// SetStyle sets the style for all nodes in the given
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// node tree to the given style.
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func SetStyle(root *yaml.Node, style yaml.Style) {
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changeAll(root, func(node *yaml.Node) {
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node.Style = style
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})
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}
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