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moby--moby/graph/history.go
David Calavera 767df67e31 Decode container configurations into typed structures.
Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-04-15 10:22:07 -07:00

43 lines
1 KiB
Go

package graph
import (
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/image"
"github.com/docker/docker/utils"
)
func (s *TagStore) History(name string) ([]*types.ImageHistory, error) {
foundImage, err := s.LookupImage(name)
if err != nil {
return nil, err
}
lookupMap := make(map[string][]string)
for name, repository := range s.Repositories {
for tag, id := range repository {
// If the ID already has a reverse lookup, do not update it unless for "latest"
if _, exists := lookupMap[id]; !exists {
lookupMap[id] = []string{}
}
lookupMap[id] = append(lookupMap[id], utils.ImageReference(name, tag))
}
}
history := []*types.ImageHistory{}
err = foundImage.WalkHistory(func(img *image.Image) error {
history = append(history, &types.ImageHistory{
ID: img.ID,
Created: img.Created.Unix(),
CreatedBy: strings.Join(img.ContainerConfig.Cmd.Slice(), " "),
Tags: lookupMap[img.ID],
Size: img.Size,
Comment: img.Comment,
})
return nil
})
return history, err
}