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6c27970019
Introduces `sourceValue` on replacement object for replacing from a static value instead of sourcing from another object. Solves #5516
91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
// Copyright 2021 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package types
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import (
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"fmt"
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"strings"
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"sigs.k8s.io/kustomize/kyaml/resid"
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)
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const DefaultReplacementFieldPath = "metadata.name"
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// Replacement defines how to perform a substitution
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// where it is from and where it is to.
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type Replacement struct {
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// The source of the value.
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Source *SourceSelector `json:"source,omitempty" yaml:"source,omitempty"`
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// The N fields to write the value to.
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Targets []*TargetSelector `json:"targets,omitempty" yaml:"targets,omitempty"`
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// Used to define an static value
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SourceValue *string `json:"sourceValue,omitempty" yaml:"sourceValue,omitempty"`
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}
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// SourceSelector is the source of the replacement transformer.
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type SourceSelector struct {
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// A specific object to read it from.
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resid.ResId `json:",inline,omitempty" yaml:",inline,omitempty"`
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// Structured field path expected in the allowed object.
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FieldPath string `json:"fieldPath,omitempty" yaml:"fieldPath,omitempty"`
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// Used to refine the interpretation of the field.
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Options *FieldOptions `json:"options,omitempty" yaml:"options,omitempty"`
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}
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func (s *SourceSelector) String() string {
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if s == nil {
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return ""
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}
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result := []string{s.ResId.String()}
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if s.FieldPath != "" {
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result = append(result, s.FieldPath)
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}
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if opts := s.Options.String(); opts != "" {
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result = append(result, opts)
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}
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return strings.Join(result, ":")
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}
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// TargetSelector specifies fields in one or more objects.
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type TargetSelector struct {
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// Include objects that match this.
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Select *Selector `json:"select" yaml:"select"`
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// From the allowed set, remove objects that match this.
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Reject []*Selector `json:"reject,omitempty" yaml:"reject,omitempty"`
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// Structured field paths expected in each allowed object.
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FieldPaths []string `json:"fieldPaths,omitempty" yaml:"fieldPaths,omitempty"`
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// Used to refine the interpretation of the field.
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Options *FieldOptions `json:"options,omitempty" yaml:"options,omitempty"`
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}
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// FieldOptions refine the interpretation of FieldPaths.
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type FieldOptions struct {
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// Used to split/join the field.
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Delimiter string `json:"delimiter,omitempty" yaml:"delimiter,omitempty"`
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// Which position in the split to consider.
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Index int `json:"index,omitempty" yaml:"index,omitempty"`
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// TODO (#3492): Implement use of this option
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// None, Base64, URL, Hex, etc
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Encoding string `json:"encoding,omitempty" yaml:"encoding,omitempty"`
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// If field missing, add it.
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Create bool `json:"create,omitempty" yaml:"create,omitempty"`
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}
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func (fo *FieldOptions) String() string {
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if fo == nil || (fo.Delimiter == "" && !fo.Create) {
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return ""
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}
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return fmt.Sprintf("%s(%d), create=%t", fo.Delimiter, fo.Index, fo.Create)
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}
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