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Add support for image name history

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We leverage the containers/storage image history tracking feature to
show the previously used image names when running:
`podman images --history`

Signed-off-by: Sascha Grunert <sgrunert@suse.com>
This commit is contained in:
Sascha Grunert
2019-11-26 16:08:04 +01:00
parent aef38585ed
commit 63e46cc85c
24 changed files with 346 additions and 40 deletions
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11
vendor/github.com/containers/storage/images.go generated vendored
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@ -47,6 +47,11 @@ type Image struct {
// or canonical references.
Names []string `json:"names,omitempty"`
// NamesHistory is an optional set of Names the image had in the past. The
// contained names are free from any duplicates, whereas the newest entry
// is the first one.
NamesHistory []string `json:"names-history,omitempty"`
// TopLayer is the ID of the topmost layer of the image itself, if the
// image contains one or more layers. Multiple images can refer to the
// same top layer.
@ -155,6 +160,7 @@ func copyImage(i *Image) *Image {
Digest: i.Digest,
Digests: copyDigestSlice(i.Digests),
Names: copyStringSlice(i.Names),
NamesHistory: copyStringSlice(i.NamesHistory),
TopLayer: i.TopLayer,
MappedTopLayers: copyStringSlice(i.MappedTopLayers),
Metadata: i.Metadata,
@ -481,6 +487,10 @@ func (r *imageStore) removeName(image *Image, name string) {
image.Names = stringSliceWithoutValue(image.Names, name)
}
func (i *Image) addNameToHistory(name string) {
i.NamesHistory = dedupeNames(append([]string{name}, i.NamesHistory...))
}
func (r *imageStore) SetNames(id string, names []string) error {
if !r.IsReadWrite() {
return errors.Wrapf(ErrStoreIsReadOnly, "not allowed to change image name assignments at %q", r.imagespath())
@ -495,6 +505,7 @@ func (r *imageStore) SetNames(id string, names []string) error {
r.removeName(otherImage, name)
}
r.byname[name] = image
image.addNameToHistory(name)
}
image.Names = names
return r.Save()