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PatchStrategicMergeTransformer.go
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PatchStrategicMergeTransformer.go
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// Code generated by pluginator on PatchStrategicMergeTransformer; DO NOT EDIT.
// pluginator {unknown 1970-01-01T00:00:00Z }
package builtins
import (
"fmt"
"sigs.k8s.io/kustomize/api/resmap"
"sigs.k8s.io/kustomize/api/resource"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/yaml"
)
type PatchStrategicMergeTransformerPlugin struct {
h *resmap.PluginHelpers
loadedPatches []*resource.Resource
Paths []types.PatchStrategicMerge `json:"paths,omitempty" yaml:"paths,omitempty"`
Patches string `json:"patches,omitempty" yaml:"patches,omitempty"`
}
func (p *PatchStrategicMergeTransformerPlugin) Config(
h *resmap.PluginHelpers, c []byte) (err error) {
p.h = h
err = yaml.Unmarshal(c, p)
if err != nil {
return err
}
if len(p.Paths) == 0 && p.Patches == "" {
return fmt.Errorf("empty file path and empty patch content")
}
if len(p.Paths) != 0 {
for _, onePath := range p.Paths {
// The following oddly attempts to interpret a path string as an
// actual patch (instead of as a path to a file containing a patch).
// All tests pass if this code is commented out. This code should
// be deleted; the user should use the Patches field which
// exists for this purpose (inline patch declaration).
res, err := p.h.ResmapFactory().RF().SliceFromBytes([]byte(onePath))
if err == nil {
p.loadedPatches = append(p.loadedPatches, res...)
continue
}
res, err = p.h.ResmapFactory().RF().SliceFromPatches(
p.h.Loader(), []types.PatchStrategicMerge{onePath})
if err != nil {
return err
}
p.loadedPatches = append(p.loadedPatches, res...)
}
}
if p.Patches != "" {
res, err := p.h.ResmapFactory().RF().SliceFromBytes([]byte(p.Patches))
if err != nil {
return err
}
p.loadedPatches = append(p.loadedPatches, res...)
}
if len(p.loadedPatches) == 0 {
return fmt.Errorf(
"patch appears to be empty; files=%v, Patch=%s", p.Paths, p.Patches)
}
return err
}
func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error {
patches, err := p.h.ResmapFactory().Merge(p.loadedPatches)
if err != nil {
return err
}
for _, patch := range patches.Resources() {
target, err := m.GetById(patch.OrgId())
if err != nil {
return err
}
if err = m.ApplySmPatch(
resource.MakeIdSet([]*resource.Resource{target}), patch); err != nil {
return err
}
}
return nil
}
func NewPatchStrategicMergeTransformerPlugin() resmap.TransformerPlugin {
return &PatchStrategicMergeTransformerPlugin{}
}