54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package graph
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import (
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"encoding/json"
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"fmt"
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"strings"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/engine"
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"github.com/docker/docker/image"
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"github.com/docker/docker/utils"
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)
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func (s *TagStore) CmdHistory(job *engine.Job) error {
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if n := len(job.Args); n != 1 {
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return fmt.Errorf("Usage: %s IMAGE", job.Name)
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}
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name := job.Args[0]
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foundImage, err := s.LookupImage(name)
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if err != nil {
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return err
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}
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lookupMap := make(map[string][]string)
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for name, repository := range s.Repositories {
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for tag, id := range repository {
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// If the ID already has a reverse lookup, do not update it unless for "latest"
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if _, exists := lookupMap[id]; !exists {
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lookupMap[id] = []string{}
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}
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lookupMap[id] = append(lookupMap[id], utils.ImageReference(name, tag))
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}
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}
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history := []types.ImageHistory{}
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err = foundImage.WalkHistory(func(img *image.Image) error {
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history = append(history, types.ImageHistory{
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ID: img.ID,
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Created: img.Created.Unix(),
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CreatedBy: strings.Join(img.ContainerConfig.Cmd, " "),
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Tags: lookupMap[img.ID],
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Size: img.Size,
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})
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return nil
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})
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if err = json.NewEncoder(job.Stdout).Encode(history); err != nil {
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return err
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}
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return nil
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}
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