98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
package main
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import (
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"errors"
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/containers/storage"
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"github.com/containers/storage/pkg/mflag"
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)
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var metadataQuiet = false
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func metadata(flags *mflag.FlagSet, action string, m storage.Store, args []string) (int, error) {
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if len(args) < 1 {
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return 1, nil
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}
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metadataDict := make(map[string]string)
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missingAny := false
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for _, what := range args {
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if metadata, err := m.Metadata(what); err == nil {
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metadataDict[what] = strings.TrimSuffix(metadata, "\n")
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} else {
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missingAny = true
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}
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}
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if jsonOutput {
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if _, err := outputJSON(metadataDict); err != nil {
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return 1, err
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}
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} else {
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for _, what := range args {
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if metadataQuiet {
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fmt.Printf("%s\n", metadataDict[what])
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} else {
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fmt.Printf("%s: %s\n", what, metadataDict[what])
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}
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}
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}
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if missingAny {
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return 1, nil
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}
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return 0, nil
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}
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func setMetadata(flags *mflag.FlagSet, action string, m storage.Store, args []string) (int, error) {
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if len(args) < 1 {
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return 1, nil
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}
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if paramMetadataFile == "" && paramMetadata == "" {
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return 1, errors.New("no new metadata provided")
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}
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if paramMetadataFile != "" {
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f, err := os.Open(paramMetadataFile)
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if err != nil {
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return 1, err
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}
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b, err := io.ReadAll(f)
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if err != nil {
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return 1, err
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}
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paramMetadata = string(b)
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}
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if err := m.SetMetadata(args[0], paramMetadata); err != nil {
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return 1, err
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}
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return 0, nil
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}
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func init() {
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commands = append(commands, command{
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names: []string{"metadata"},
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optionsHelp: "[LayerOrImageOrContainerNameOrID [...]]",
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usage: "Retrieve layer, image, or container metadata",
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minArgs: 1,
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maxArgs: -1,
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action: metadata,
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addFlags: func(flags *mflag.FlagSet, cmd *command) {
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flags.BoolVar(&metadataQuiet, []string{"-quiet", "q"}, metadataQuiet, "Omit names and IDs")
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flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
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},
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})
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commands = append(commands, command{
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names: []string{"set-metadata", "setmetadata"},
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optionsHelp: "[options [...]] layerOrImageOrContainerNameOrID",
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usage: "Set layer, image, or container metadata",
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minArgs: 1,
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maxArgs: 1,
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action: setMetadata,
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addFlags: func(flags *mflag.FlagSet, cmd *command) {
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flags.StringVar(¶mMetadata, []string{"-metadata", "m"}, "", "Metadata")
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flags.StringVar(¶mMetadataFile, []string{"-metadata-file", "f"}, "", "Metadata File")
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},
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})
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}
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