Upgrade k8s package verison (#5358)
* upgrade k8s package version Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io> * Script upgrade and code formatting. Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io> Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>
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121
vendor/sigs.k8s.io/kustomize/kyaml/order/syncorder.go
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121
vendor/sigs.k8s.io/kustomize/kyaml/order/syncorder.go
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// Copyright 2021 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package order
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import (
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"sigs.k8s.io/kustomize/kyaml/errors"
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"sigs.k8s.io/kustomize/kyaml/yaml"
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)
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// SyncOrder recursively sorts the map node keys in 'to' node to match the order of
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// map node keys in 'from' node at same tree depth, additional keys are moved to the end
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// Field order might be altered due to round-tripping in arbitrary functions.
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// This functionality helps to retain the original order of fields to avoid unnecessary diffs.
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func SyncOrder(from, to *yaml.RNode) error {
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// from node should not be modified, it should be just used as a reference
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fromCopy := from.Copy()
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if err := syncOrder(fromCopy, to); err != nil {
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return errors.Errorf("failed to sync field order: %q", err.Error())
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}
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rearrangeHeadCommentOfSeqNode(to.YNode())
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return nil
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}
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func syncOrder(from, to *yaml.RNode) error {
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if from.IsNilOrEmpty() || to.IsNilOrEmpty() {
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return nil
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}
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switch from.YNode().Kind {
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case yaml.DocumentNode:
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// Traverse the child of the documents
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return syncOrder(yaml.NewRNode(from.YNode()), yaml.NewRNode(to.YNode()))
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case yaml.MappingNode:
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return VisitFields(from, to, func(fNode, tNode *yaml.MapNode) error {
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// Traverse each field value
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if fNode == nil || tNode == nil {
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return nil
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}
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return syncOrder(fNode.Value, tNode.Value)
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})
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case yaml.SequenceNode:
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return VisitElements(from, to, syncOrder) // Traverse each list element
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}
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return nil
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}
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// VisitElements calls fn for each element in a SequenceNode.
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// Returns an error for non-SequenceNodes
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func VisitElements(from, to *yaml.RNode, fn func(fNode, tNode *yaml.RNode) error) error {
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fElements, err := from.Elements()
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if err != nil {
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return errors.Wrap(err)
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}
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tElements, err := to.Elements()
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if err != nil {
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return errors.Wrap(err)
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}
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for i := range fElements {
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if i >= len(tElements) {
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return nil
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}
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if err := fn(fElements[i], tElements[i]); err != nil {
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return errors.Wrap(err)
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}
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}
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return nil
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}
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// VisitFields calls fn for each field in the RNode.
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// Returns an error for non-MappingNodes.
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func VisitFields(from, to *yaml.RNode, fn func(fNode, tNode *yaml.MapNode) error) error {
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srcFieldNames, err := from.Fields()
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if err != nil {
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return nil
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}
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yaml.SyncMapNodesOrder(from, to)
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// visit each field
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for _, fieldName := range srcFieldNames {
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if err := fn(from.Field(fieldName), to.Field(fieldName)); err != nil {
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return errors.Wrap(err)
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}
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}
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return nil
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}
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// rearrangeHeadCommentOfSeqNode addresses a remote corner case due to moving a
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// map node in a sequence node with a head comment to the top
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func rearrangeHeadCommentOfSeqNode(node *yaml.Node) {
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if node == nil {
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return
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}
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switch node.Kind {
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case yaml.DocumentNode:
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for _, node := range node.Content {
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rearrangeHeadCommentOfSeqNode(node)
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}
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case yaml.MappingNode:
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for _, node := range node.Content {
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rearrangeHeadCommentOfSeqNode(node)
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}
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case yaml.SequenceNode:
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for _, node := range node.Content {
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// for each child mapping node, transfer the head comment of it's
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// first child scalar node to the head comment of itself
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if len(node.Content) > 0 && node.Content[0].Kind == yaml.ScalarNode {
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if node.HeadComment == "" {
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node.HeadComment = node.Content[0].HeadComment
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continue
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}
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if node.Content[0].HeadComment != "" {
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node.HeadComment += "\n" + node.Content[0].HeadComment
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node.Content[0].HeadComment = ""
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}
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}
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}
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}
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}
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