mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-17 18:25:26 +00:00
99 lines
2.7 KiB
Go
99 lines
2.7 KiB
Go
// Code generated by pluginator on PatchStrategicMergeTransformer; DO NOT EDIT.
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// pluginator {unknown 1970-01-01T00:00:00Z }
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package builtins
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import (
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"fmt"
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"sigs.k8s.io/kustomize/api/resmap"
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"sigs.k8s.io/kustomize/api/resource"
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"sigs.k8s.io/kustomize/api/types"
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"sigs.k8s.io/yaml"
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)
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type PatchStrategicMergeTransformerPlugin struct {
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loadedPatches []*resource.Resource
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Paths []types.PatchStrategicMerge `json:"paths,omitempty" yaml:"paths,omitempty"`
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Patches string `json:"patches,omitempty" yaml:"patches,omitempty"`
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}
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func (p *PatchStrategicMergeTransformerPlugin) Config(
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h *resmap.PluginHelpers, c []byte) (err error) {
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err = yaml.Unmarshal(c, p)
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if err != nil {
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return err
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}
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if len(p.Paths) == 0 && p.Patches == "" {
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return fmt.Errorf("empty file path and empty patch content")
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}
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if len(p.Paths) != 0 {
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patches, err := loadFromPaths(h, p.Paths)
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if err != nil {
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return err
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}
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p.loadedPatches = append(p.loadedPatches, patches...)
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}
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if p.Patches != "" {
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patches, err := h.ResmapFactory().RF().SliceFromBytes([]byte(p.Patches))
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if err != nil {
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return err
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}
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p.loadedPatches = append(p.loadedPatches, patches...)
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}
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if len(p.loadedPatches) == 0 {
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return fmt.Errorf(
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"patch appears to be empty; files=%v, Patch=%s", p.Paths, p.Patches)
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}
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// TODO(#3723): Delete conflict detection.
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// Since #1500 closed, the conflict detector in use doesn't do
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// anything useful. The resmap returned by this method hasn't
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// been used for many releases. Leaving code as a comment to
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// aid in deletion (fixing #3723).
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// _, err = h.ResmapFactory().ConflatePatches(p.loadedPatches)
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// if err != nil {
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// return err
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// }
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return nil
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}
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func loadFromPaths(
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h *resmap.PluginHelpers,
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paths []types.PatchStrategicMerge) (
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result []*resource.Resource, err error) {
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var patches []*resource.Resource
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for _, path := range paths {
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// For legacy reasons, attempt to treat the path string as
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// actual patch content.
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patches, err = h.ResmapFactory().RF().SliceFromBytes([]byte(path))
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if err != nil {
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// Failing that, treat it as a file path.
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patches, err = h.ResmapFactory().RF().SliceFromPatches(
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h.Loader(), []types.PatchStrategicMerge{path})
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if err != nil {
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return
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}
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}
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result = append(result, patches...)
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}
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return
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}
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func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error {
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for _, patch := range p.loadedPatches {
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target, err := m.GetById(patch.OrgId())
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if err != nil {
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return err
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}
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if err = m.ApplySmPatch(
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resource.MakeIdSet([]*resource.Resource{target}), patch); err != nil {
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return err
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}
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}
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return nil
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}
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func NewPatchStrategicMergeTransformerPlugin() resmap.TransformerPlugin {
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return &PatchStrategicMergeTransformerPlugin{}
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}
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