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addbuildmetadata.go
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addbuildmetadata.go
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// Copyright 2022 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package add
import (
"fmt"
"slices"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/kustomize/v5/commands/internal/kustfile"
"sigs.k8s.io/kustomize/kustomize/v5/commands/internal/util"
"sigs.k8s.io/kustomize/kyaml/filesys"
)
type addBuildMetadataOptions struct {
*util.BuildMetadataValidator
buildMetadataOptions []string
}
// newCmdAddBuildMetadata adds options to the kustomization's buildMetada field.
func newCmdAddBuildMetadata(fSys filesys.FileSystem) *cobra.Command {
var o addBuildMetadataOptions
cmd := &cobra.Command{
Use: "buildmetadata",
Short: "Adds one or more buildMetadata options to the kustomization.yaml in the current directory",
Long: `Adds one or more buildMetadata options to the kustomization.yaml in the current directory.
The following options are valid:
- originAnnotations
- transformerAnnotations
- managedByLabel
originAnnotations will add the annotation config.kubernetes.io/origin to each resource, describing where
each resource originated from.
transformerAnnotations will add the annotation alpha.config.kubernetes.io/transformations to each resource,
describing the transformers that have acted upon the resource.
managedByLabel will add the label app.kubernetes.io/managed-by to each resource, describing which version
of kustomize managed the resource.`,
Example: `
add buildmetadata {option1},{option2}`,
RunE: func(cmd *cobra.Command, args []string) error {
var err error
o.buildMetadataOptions, err = o.BuildMetadataValidator.Validate(args)
if err != nil {
return err
}
return o.RunAddBuildMetadata(fSys)
},
}
return cmd
}
// RunAddBuildMetadata runs addBuildMetadata command (do real work).
func (o *addBuildMetadataOptions) RunAddBuildMetadata(fSys filesys.FileSystem) error {
mf, err := kustfile.NewKustomizationFile(fSys)
if err != nil {
return err
}
m, err := mf.Read()
if err != nil {
return err
}
for _, opt := range o.buildMetadataOptions {
if slices.Contains(m.BuildMetadata, opt) {
return fmt.Errorf("buildMetadata option %s already in kustomization file", opt)
}
m.BuildMetadata = append(m.BuildMetadata, opt)
}
return mf.Write(m)
}