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removetransformer.go
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/
removetransformer.go
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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package remove
import (
"errors"
"slices"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/api/konfig"
"sigs.k8s.io/kustomize/kustomize/v5/commands/internal/kustfile"
"sigs.k8s.io/kustomize/kyaml/filesys"
)
type removeTransformerOptions struct {
transformerFilePaths []string
}
// newCmdRemoveTransformer remove the name of a file containing a transformer to the kustomization file.
func newCmdRemoveTransformer(fSys filesys.FileSystem) *cobra.Command {
var o removeTransformerOptions
cmd := &cobra.Command{
Use: "transformer",
Short: "Removes one or more transformers from " +
konfig.DefaultKustomizationFileName(),
Example: `
remove transformer my-transformer.yml
remove transformer transformer1.yml transformer2.yml transformer3.yml
remove transformer transformers/*.yml
`,
RunE: func(cmd *cobra.Command, args []string) error {
err := o.Validate(args)
if err != nil {
return err
}
return o.RunRemoveTransformer(fSys)
},
}
return cmd
}
// Validate validates removeTransformer command.
func (o *removeTransformerOptions) Validate(args []string) error {
if len(args) == 0 {
return errors.New("must specify a transformer file")
}
o.transformerFilePaths = args
return nil
}
// RunRemoveTransformer runs Transformer command (do real work).
func (o *removeTransformerOptions) RunRemoveTransformer(fSys filesys.FileSystem) error {
mf, err := kustfile.NewKustomizationFile(fSys)
if err != nil {
return err
}
m, err := mf.Read()
if err != nil {
return err
}
transformers, err := globPatterns(m.Transformers, o.transformerFilePaths)
if err != nil {
return err
}
if len(transformers) == 0 {
return nil
}
newTransformers := make([]string, 0, len(m.Transformers))
for _, transformer := range m.Transformers {
if slices.Contains(transformers, transformer) {
continue
}
newTransformers = append(newTransformers, transformer)
}
m.Transformers = newTransformers
return mf.Write(m)
}