/
image.go
127 lines (103 loc) · 2.44 KB
/
image.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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
package pdcs
import (
"fmt"
"sync"
"github.com/containers/image/v5/docker/reference"
"github.com/containers/podman/v5/cmd/podman/registry"
"github.com/containers/podman/v5/pkg/domain/entities"
)
var imageRep ImageReport
type ImageReport struct {
images []Image
updateErr error
repLock sync.Mutex
}
// Image implements image's basic information.
type Image struct {
ID string
ParentID string
Repository string
Tag string
Created int64
Size int64
Digest string
Labels map[string]string
}
// Images returns list of images (Image).
func Images() ([]Image, error) {
imageRep.repLock.Lock()
defer imageRep.repLock.Unlock()
if imageRep.updateErr != nil {
return nil, imageRep.updateErr
}
images := imageRep.images
return images, nil
}
func updateImages() {
images := make([]Image, 0)
reports, err := registry.ImageEngine().List(registry.GetContext(), entities.ImageListOptions{All: true})
imageRep.repLock.Lock()
defer imageRep.repLock.Unlock()
if err != nil {
imageRep.updateErr = err
imageRep.images = nil
return
}
imageRep.updateErr = nil
for _, rep := range reports {
if len(rep.RepoTags) > 0 {
for i := 0; i < len(rep.RepoTags); i++ {
repository, tag := repoTagDecompose(rep.RepoTags[i])
images = append(images, Image{
ID: getID(rep.ID),
ParentID: getID(rep.ParentId),
Repository: repository,
Tag: tag,
Size: rep.Size,
Created: rep.Created,
Digest: rep.Digest,
Labels: rep.Labels,
})
}
} else {
images = append(images, Image{
ID: getID(rep.ID),
ParentID: getID(rep.ParentId),
Repository: "<none>",
Tag: "<none>",
Created: rep.Created,
Size: rep.Size,
Digest: rep.Digest,
Labels: rep.Labels,
})
}
}
imageRep.images = images
}
func repoTagDecompose(repoTags string) (string, string) {
noneName := fmt.Sprintf("%s:%s", noneReference, noneReference)
if repoTags == noneName {
return noneReference, noneReference
}
repo, err := reference.Parse(repoTags)
if err != nil {
return noneReference, noneReference
}
named, ok := repo.(reference.Named)
if !ok {
return repoTags, noneReference
}
name := named.Name()
if name == "" {
name = noneReference
}
tagged, ok := repo.(reference.Tagged)
if !ok {
return name, noneReference
}
tag := tagged.Tag()
if tag == "" {
tag = noneReference
}
return name, tag
}