1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
package image
import "github.com/pkg/errors"
// GetPruneImages returns a slice of images that have no names/unused
func (ir *Runtime) GetPruneImages(all bool) ([]*Image, error) {
var (
pruneImages []*Image
)
allImages, err := ir.GetImages()
if err != nil {
return nil, err
}
for _, i := range allImages {
if len(i.Names()) == 0 {
pruneImages = append(pruneImages, i)
continue
}
if all {
containers, err := i.Containers()
if err != nil {
return nil, err
}
if len(containers) < 1 {
pruneImages = append(pruneImages, i)
}
}
}
return pruneImages, nil
}
// PruneImages prunes dangling and optionally all unused images from the local
// image store
func (ir *Runtime) PruneImages(all bool) ([]string, error) {
var prunedCids []string
pruneImages, err := ir.GetPruneImages(all)
if err != nil {
return nil, errors.Wrap(err, "unable to get images to prune")
}
for _, p := range pruneImages {
if err := p.Remove(true); err != nil {
return nil, errors.Wrap(err, "failed to prune image")
}
prunedCids = append(prunedCids, p.ID())
}
return prunedCids, nil
}
|
