mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-06-11 00:52:55 +00:00
112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package commands
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import (
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"errors"
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"strings"
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"github.com/spf13/cobra"
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"github.com/kubernetes-sigs/kustomize/pkg/constants"
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"github.com/kubernetes-sigs/kustomize/pkg/fs"
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"github.com/kubernetes-sigs/kustomize/pkg/types"
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"sort"
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)
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type setImageTagOptions struct {
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imageTagMap map[string]string
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}
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// newCmdSetImageTag sets the new tags for images in the kustomization.
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func newCmdSetImageTag(fsys fs.FileSystem) *cobra.Command {
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var o setImageTagOptions
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cmd := &cobra.Command{
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Use: "imagetag",
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Short: "Sets images and their new tags in the kustomization file",
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Example: `
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The command
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set imagetag nginx:1.8.0 my-app:latest
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will add
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imageTags:
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- name: nginx
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newTag: 1.8.0
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- name: my-app
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newTag: latest
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to the kustomization file if it doesn't exist,
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and overwrite the previous newTag if the image name exists.
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`,
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RunE: func(cmd *cobra.Command, args []string) error {
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err := o.Validate(args)
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if err != nil {
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return err
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}
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return o.RunSetImageTags(fsys)
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},
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}
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return cmd
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}
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// Validate validates setImageTag command.
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func (o *setImageTagOptions) Validate(args []string) error {
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if len(args) == 0 {
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return errors.New("No image and newTag specified.")
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}
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o.imageTagMap = make(map[string]string)
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for _, arg := range args {
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imagetag := strings.Split(arg, ":")
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if len(imagetag) != 2 {
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return errors.New("Invalid format of imagetag, must specify it as <image>:<newtag>")
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}
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o.imageTagMap[imagetag[0]] = imagetag[1]
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}
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return nil
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}
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// RunSetImageTags runs setImageTags command (does real work).
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func (o *setImageTagOptions) RunSetImageTags(fsys fs.FileSystem) error {
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mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
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if err != nil {
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return err
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}
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m, err := mf.read()
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if err != nil {
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return err
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}
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imageTagMap := map[string]string{}
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for _, it := range m.ImageTags {
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imageTagMap[it.Name] = it.NewTag
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}
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for key, value := range o.imageTagMap {
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imageTagMap[key] = value
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}
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var imageTags []types.ImageTag
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for key, value := range imageTagMap {
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imageTags = append(imageTags, types.ImageTag{Name: key, NewTag: value})
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}
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sort.Slice(imageTags, func(i, j int) bool {
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return imageTags[i].Name < imageTags[j].Name
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})
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m.ImageTags = imageTags
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return mf.write(m)
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}
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