mirror of
https://github.com/kubernetes-sigs/kustomize.git
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61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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//go:generate pluginator
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package main
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import (
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"fmt"
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"sigs.k8s.io/kustomize/api/filters/namespace"
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"sigs.k8s.io/kustomize/api/resmap"
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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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// Change or set the namespace of non-cluster level resources.
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type plugin struct {
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types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
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FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
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}
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//noinspection GoUnusedGlobalVariable
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var KustomizePlugin plugin
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func (p *plugin) Config(
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_ *resmap.PluginHelpers, c []byte) (err error) {
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p.Namespace = ""
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p.FieldSpecs = nil
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return yaml.Unmarshal(c, p)
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}
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func (p *plugin) Transform(m resmap.ResMap) error {
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if len(p.Namespace) == 0 {
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return nil
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}
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for _, r := range m.Resources() {
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empty, err := r.IsEmpty()
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if err != nil {
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return err
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}
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if empty {
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// Don't mutate empty objects?
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continue
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}
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r.StorePreviousId()
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err = r.ApplyFilter(namespace.Filter{
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Namespace: p.Namespace,
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FsSlice: p.FieldSpecs,
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})
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if err != nil {
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return err
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}
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matches := m.GetMatchingResourcesByCurrentId(r.CurId().Equals)
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if len(matches) != 1 {
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return fmt.Errorf(
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"namespace transformation produces ID conflict: %+v", matches)
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}
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}
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return nil
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}
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