mirror of
https://github.com/alibaba/higress.git
synced 2026-02-24 20:50:51 +08:00
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package tpath
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import (
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"github.com/alibaba/higress/hgctl/pkg/util"
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"gopkg.in/yaml.v2"
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yaml2 "sigs.k8s.io/yaml"
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)
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// AddSpecRoot adds a root node called "spec" to the given tree and returns the resulting tree.
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func AddSpecRoot(tree string) (string, error) {
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t, nt := make(map[string]any), make(map[string]any)
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if err := yaml.Unmarshal([]byte(tree), &t); err != nil {
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return "", err
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}
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nt["spec"] = t
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out, err := yaml.Marshal(nt)
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if err != nil {
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return "", err
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}
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return string(out), nil
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}
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// GetSpecSubtree returns the subtree under "spec".
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func GetSpecSubtree(yml string) (string, error) {
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return GetConfigSubtree(yml, "spec")
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}
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// GetConfigSubtree returns the subtree at the given path.
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func GetConfigSubtree(manifest, path string) (string, error) {
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root := make(map[string]any)
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if err := yaml2.Unmarshal([]byte(manifest), &root); err != nil {
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return "", err
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}
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nc, _, err := GetPathContext(root, util.PathFromString(path), false)
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if err != nil {
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return "", err
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}
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out, err := yaml2.Marshal(nc.Node)
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if err != nil {
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return "", err
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}
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return string(out), nil
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}
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