/
tag.go
68 lines (58 loc) · 1.84 KB
/
tag.go
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
package client
import (
"context"
"errors"
"fmt"
"time"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/images"
"github.com/docker/distribution/reference"
)
// TagImage creates a reference to an image with a specific name in the image store.
func (c *Client) TagImage(ctx context.Context, src, dest string) error {
// Parse the image name and tag for the src image.
named, err := reference.ParseNormalizedNamed(src)
if err != nil {
return fmt.Errorf("parsing image name %q failed: %v", src, err)
}
// Add the latest lag if they did not provide one.
named = reference.TagNameOnly(named)
src = named.String()
// Parse the image name and tag for the dest image.
named, err = reference.ParseNormalizedNamed(dest)
if err != nil {
return fmt.Errorf("parsing image name %q failed: %v", dest, err)
}
// Add the latest lag if they did not provide one.
named = reference.TagNameOnly(named)
dest = named.String()
// Create the worker opts.
opt, err := c.createWorkerOpt(false)
if err != nil {
return fmt.Errorf("creating worker opt failed: %v", err)
}
if opt.ImageStore == nil {
return errors.New("image store is nil")
}
// Get the source image.
image, err := opt.ImageStore.Get(ctx, src)
if err != nil {
return fmt.Errorf("getting image %s from image store failed: %v", src, err)
}
// Update the target image. Create it if it does not exist.
img := images.Image{
Name: dest,
Target: image.Target,
CreatedAt: time.Now(),
}
if _, err := opt.ImageStore.Update(ctx, img); err != nil {
if !errdefs.IsNotFound(err) {
return fmt.Errorf("updating image store for %s failed: %v", dest, err)
}
// Create it if we didn't find it.
if _, err := opt.ImageStore.Create(ctx, img); err != nil {
return fmt.Errorf("creating image in image store for %s failed: %v", dest, err)
}
}
return nil
}