func (t *mockTagAdder) AddTag(ref reference.Named, id image.ID, force bool) error {
if t.refs == nil {
t.refs = make(map[string]string)
}
t.refs[ref.String()] = id.String()
return nil
}
// TagImageWithReference adds the given reference to the image ID provided.
func (daemon *Daemon) TagImageWithReference(imageID image.ID, newTag reference.Named) error {
if err := daemon.referenceStore.AddTag(newTag, imageID.Digest(), true); err != nil {
return err
}
daemon.LogImageEvent(imageID.String(), newTag.String(), "tag")
return nil
}
// imageDeleteHelper attempts to delete the given image from this daemon. If
// the image has any hard delete conflicts (child images or running containers
// using the image) then it cannot be deleted. If the image has any soft delete
// conflicts (any tags/digests referencing the image or any stopped container
// using the image) then it can only be deleted if force is true. If the delete
// succeeds and prune is true, the parent images are also deleted if they do
// not have any soft or hard delete conflicts themselves. Any deleted images
// and untagged references are appended to the given records. If any error or
// conflict is encountered, it will be returned immediately without deleting
// the image. If quiet is true, any encountered conflicts will be ignored and
// the function will return nil immediately without deleting the image.
func (daemon *Daemon) imageDeleteHelper(imgID image.ID, records *[]types.ImageDelete, force, prune, quiet bool) error {
// First, determine if this image has any conflicts. Ignore soft conflicts
// if force is true.
if conflict := daemon.checkImageDeleteConflict(imgID, force); conflict != nil {
if quiet && !daemon.imageIsDangling(imgID) {
// Ignore conflicts UNLESS the image is "dangling" in
// which case we want the user to know.
return nil
}
// There was a conflict and it's either a hard conflict OR we are not
// forcing deletion on soft conflicts.
return conflict
}
parent, err := daemon.imageStore.GetParent(imgID)
if err != nil {
// There may be no parent
parent = ""
}
// Delete all repository tag/digest references to this image.
if err := daemon.removeAllReferencesToImageID(imgID, records); err != nil {
return err
}
removedLayers, err := daemon.imageStore.Delete(imgID)
if err != nil {
return err
}
daemon.EventsService.Log("delete", imgID.String(), "")
*records = append(*records, types.ImageDelete{Deleted: imgID.String()})
for _, removedLayer := range removedLayers {
*records = append(*records, types.ImageDelete{Deleted: removedLayer.ChainID.String()})
}
if !prune || parent == "" {
return nil
}
// We need to prune the parent image. This means delete it if there are
// no tags/digests referencing it and there are no containers using it (
// either running or stopped).
// Do not force prunings, but do so quietly (stopping on any encountered
// conflicts).
return daemon.imageDeleteHelper(parent, records, false, true, true)
}
// removeAllReferencesToImageID attempts to remove every reference to the given
// imgID from this daemon's store of repository tag/digest references. Returns
// on the first encountered error. Removed references are logged to this
// daemon's event service. An "Untagged" types.ImageDelete is added to the
// given list of records.
func (daemon *Daemon) removeAllReferencesToImageID(imgID image.ID, records *[]types.ImageDelete) error {
imageRefs := daemon.referenceStore.References(imgID)
for _, imageRef := range imageRefs {
parsedRef, err := daemon.removeImageRef(imageRef)
if err != nil {
return err
}
untaggedRecord := types.ImageDelete{Untagged: parsedRef.String()}
daemon.LogImageEvent(imgID.String(), imgID.String(), "untag")
*records = append(*records, untaggedRecord)
}
return nil
}
