Files
kustomize/api/internal/builtins/NamespaceTransformer.go
Niklas Wagner 278dd6e55d fix: performance recession when propagating namespace to helm (#5971)
* fix: performance recession when propagating namespace to helm

* fix: handle passing namespace downstream more elegant

* Revert "fix: handle passing namespace downstream more elegant"

This reverts commit 976a7cf2aa.

* Revert "fix: performance recession when propagating namespace to helm"

This reverts commit c7612d1dba.

* fix: use annotation to identify helm chart generated resources

* fix: deduplicate code

* fix: missing import in NamespaceTransformer.go

* ci: allow manual trigger of pipeline in fork

* Revert "ci: allow manual trigger of pipeline in fork"

This reverts commit 8948788fe2.

* fix: test cases

* chore: fix code comment was on wrong line

* chore: fix code comment was on wrong line pt2
2025-09-29 14:08:19 -07:00

80 lines
2.6 KiB
Go

// Code generated by pluginator on NamespaceTransformer; DO NOT EDIT.
package builtins
import (
"fmt"
"sigs.k8s.io/kustomize/api/filters/namespace"
"sigs.k8s.io/kustomize/api/konfig"
"sigs.k8s.io/kustomize/api/resmap"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/errors"
"sigs.k8s.io/yaml"
)
// Change or set the namespace of non-cluster level resources.
//
//nolint:tagalign
type NamespaceTransformerPlugin struct {
types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
UnsetOnly bool `json:"unsetOnly" yaml:"unsetOnly"`
SetRoleBindingSubjects namespace.RoleBindingSubjectMode `json:"setRoleBindingSubjects" yaml:"setRoleBindingSubjects"`
}
func (p *NamespaceTransformerPlugin) Config(
_ *resmap.PluginHelpers, c []byte) (err error) {
p.Namespace = ""
p.FieldSpecs = nil
if err := yaml.Unmarshal(c, p); err != nil {
return errors.WrapPrefixf(err, "unmarshalling NamespaceTransformer config")
}
switch p.SetRoleBindingSubjects {
case namespace.AllServiceAccountSubjects, namespace.DefaultSubjectsOnly, namespace.NoSubjects:
// valid
case namespace.SubjectModeUnspecified:
p.SetRoleBindingSubjects = namespace.DefaultSubjectsOnly
default:
return errors.Errorf("invalid value %q for setRoleBindingSubjects: "+
"must be one of %q, %q or %q", p.SetRoleBindingSubjects,
namespace.DefaultSubjectsOnly, namespace.NoSubjects, namespace.AllServiceAccountSubjects)
}
return nil
}
func (p *NamespaceTransformerPlugin) Transform(m resmap.ResMap) error {
if len(p.Namespace) == 0 {
return nil
}
for _, r := range m.Resources() {
if r.IsNilOrEmpty() {
// Don't mutate empty objects?
continue
}
if annotations := r.GetAnnotations(konfig.HelmGeneratedAnnotation); annotations[konfig.HelmGeneratedAnnotation] == "true" {
// Don't apply namespace on Helm generated manifest. Helm should take care of it.
continue
}
r.StorePreviousId()
if err := r.ApplyFilter(namespace.Filter{
Namespace: p.Namespace,
FsSlice: p.FieldSpecs,
SetRoleBindingSubjects: p.SetRoleBindingSubjects,
UnsetOnly: p.UnsetOnly,
}); err != nil {
return err
}
matches := m.GetMatchingResourcesByCurrentId(r.CurId().Equals)
if len(matches) != 1 {
return fmt.Errorf(
"namespace transformation produces ID conflict: %+v", matches)
}
}
return nil
}
func NewNamespaceTransformerPlugin() resmap.TransformerPlugin {
return &NamespaceTransformerPlugin{}
}