-
Notifications
You must be signed in to change notification settings - Fork 8
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #2 from vmware-labs/info-command
Added info command
- Loading branch information
Showing
2 changed files
with
195 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "archive/tar" | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| "github.com/vmware-labs/distribution-tooling-for-helm/imagelock" | ||
| "github.com/vmware-labs/distribution-tooling-for-helm/internal/log" | ||
| "github.com/vmware-labs/distribution-tooling-for-helm/utils" | ||
| ) | ||
|
|
||
| var infoCmd = newInfoCmd() | ||
|
|
||
| func readLockFromWrap(chartPath string) (*imagelock.ImagesLock, error) { | ||
| var lock *imagelock.ImagesLock | ||
| var err error | ||
| if isTar, _ := utils.IsTarFile(chartPath); isTar { | ||
| if err := utils.FindFileInTar(context.Background(), chartPath, "Images.lock", func(tr *tar.Reader) error { | ||
| lock, err = imagelock.FromYAML(tr) | ||
| return err | ||
| }, utils.TarConfig{StripComponents: 1}); err != nil { | ||
| return nil, err | ||
| } | ||
| if lock == nil { | ||
| return nil, fmt.Errorf("failed to find Images.lock file inside wrap") | ||
| } | ||
| return lock, nil | ||
| } | ||
|
|
||
| f, err := getImageLockFilePath(chartPath) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to find Images.lock file for Helm chart %q: %v", chartPath, err) | ||
| } | ||
| return imagelock.FromYAMLFile(f) | ||
| } | ||
|
|
||
| func newInfoCmd() *cobra.Command { | ||
| var yamlFormat bool | ||
| var showDetails bool | ||
|
|
||
| cmd := &cobra.Command{ | ||
| Use: "info FILE", | ||
| Short: "shows info of a wrapped chart", | ||
| Long: `Shows information of a wrapped Helm chart, including the bundled images and chart metadata`, | ||
| Example: ` # Show information of a wrapped Helm chart | ||
| $ dt info mariadb-12.2.8.wrap.tgz`, | ||
| SilenceUsage: true, | ||
| SilenceErrors: true, | ||
| Args: cobra.ExactArgs(1), | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| chartPath := args[0] | ||
| l := getLogger() | ||
| _, _ = chartPath, l | ||
| if !utils.FileExists(chartPath) { | ||
| return fmt.Errorf("wrap file %q does not exist", chartPath) | ||
| } | ||
| lock, err := readLockFromWrap(chartPath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if yamlFormat { | ||
| if err := lock.ToYAML(os.Stdout); err != nil { | ||
| return fmt.Errorf("failed to write Images.lock yaml representation: %v", err) | ||
| } | ||
| } else { | ||
|
|
||
| _ = l.Section("Wrap Information", func(l log.SectionLogger) error { | ||
| l.Printf("Chart: %s", lock.Chart.Name) | ||
| l.Printf("Version: %s", lock.Chart.Version) | ||
| _ = l.Section("Metadata", func(l log.SectionLogger) error { | ||
| for k, v := range lock.Metadata { | ||
| l.Printf("- %s: %s", k, v) | ||
|
|
||
| } | ||
| return nil | ||
| }) | ||
| _ = l.Section("Images", func(l log.SectionLogger) error { | ||
| for _, img := range lock.Images { | ||
| if showDetails { | ||
| _ = l.Section(fmt.Sprintf("%s/%s", img.Chart, img.Name), func(l log.SectionLogger) error { | ||
| l.Printf("Image: %s", img.Image) | ||
| if showDetails { | ||
| l.Printf("Digests") | ||
| for _, digest := range img.Digests { | ||
| l.Printf("- Arch: %s", digest.Arch) | ||
| l.Printf(" Digest: %s", digest.Digest) | ||
| } | ||
| } | ||
| return nil | ||
| }) | ||
| } else { | ||
| platforms := make([]string, 0) | ||
| for _, digest := range img.Digests { | ||
| platforms = append(platforms, digest.Arch) | ||
| } | ||
| l.Printf("%s (%s)", img.Image, strings.Join(platforms, ", ")) | ||
| } | ||
| } | ||
| return nil | ||
| }) | ||
| return nil | ||
| }) | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
| cmd.PersistentFlags().BoolVar(&yamlFormat, "yaml", yamlFormat, "Show report in YAML format") | ||
| cmd.PersistentFlags().BoolVar(&showDetails, "detailed", showDetails, "When using the printable report, add more details about the bundled images") | ||
|
|
||
| return cmd | ||
| } | ||
|
|
||
| func init() { | ||
| rootCmd.AddCommand(infoCmd) | ||
| } |