Files
kustomize/kustomize/commands/edit/set/setannotation.go
2023-02-01 19:01:08 -05:00

100 lines
2.8 KiB
Go

// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package set
import (
"errors"
"fmt"
"regexp"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/api/konfig"
"sigs.k8s.io/kustomize/api/types"
"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 setAnnotationOptions struct {
metadata map[string]string
mapValidator func(map[string]string) error
}
// IsValidKey checks key against regex. First part for prefix segment (DNS1123Label) of an annotation followed by a slash, second part for name segment of an annotation
// see https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
var IsValidKey = regexp.MustCompile(`^([a-zA-Z](([-a-zA-Z0-9.]{0,251})[a-zA-Z0-9])?\/)?[a-zA-Z0-9]([-a-zA-Z0-9_.]{0,61}[a-zA-Z0-9])?$`).MatchString
// newCmdSetAnnotation sets one or more commonAnnotations to the kustomization file.
func newCmdSetAnnotation(fSys filesys.FileSystem, v func(map[string]string) error) *cobra.Command {
var o setAnnotationOptions
o.mapValidator = v
cmd := &cobra.Command{
Use: "annotation",
Short: "Sets one or more commonAnnotations in " +
konfig.DefaultKustomizationFileName(),
Example: `
set annotation {annotationKey1:annotationValue1} {annotationKey2:annotationValue2}`,
RunE: func(cmd *cobra.Command, args []string) error {
return o.runE(args, fSys, o.setAnnotations)
},
}
return cmd
}
func (o *setAnnotationOptions) runE(
args []string, fSys filesys.FileSystem, setter func(*types.Kustomization) error) error {
err := o.validateAndParse(args)
if err != nil {
return err
}
kf, err := kustfile.NewKustomizationFile(fSys)
if err != nil {
return err
}
m, err := kf.Read()
if err != nil {
return err
}
err = setter(m)
if err != nil {
return err
}
return kf.Write(m)
}
// validateAndParse validates `set` commands and parses them into o.metadata
func (o *setAnnotationOptions) validateAndParse(args []string) error {
if len(args) < 1 {
return fmt.Errorf("must specify annotation")
}
m, err := util.ConvertSliceToMap(args, "annotation")
if err != nil {
return err
}
if err = o.mapValidator(m); err != nil {
return err
}
for key := range m {
if !IsValidKey(key) {
return errors.New("invalid annotation key: see the syntax and character set rules at https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/")
}
}
o.metadata = m
return nil
}
func (o *setAnnotationOptions) setAnnotations(m *types.Kustomization) error {
if m.CommonAnnotations == nil {
m.CommonAnnotations = make(map[string]string)
}
return o.writeToMap(m.CommonAnnotations)
}
func (o *setAnnotationOptions) writeToMap(m map[string]string) error {
for k, v := range o.metadata {
m[k] = v
}
return nil
}