This repository has been archived by the owner on Dec 23, 2021. It is now read-only.
/
image.go
133 lines (106 loc) · 2.74 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
128
129
130
131
132
133
package docker
import (
"context"
"fmt"
"io"
"io/ioutil"
"os"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/registry"
)
// Images get images from
func (d *Docker) Images(opt types.ImageListOptions) ([]types.ImageSummary, error) {
return d.ImageList(context.TODO(), opt)
}
// InspectImage inspect image
func (d *Docker) InspectImage(name string) (types.ImageInspect, error) {
img, _, err := d.ImageInspectWithRaw(context.TODO(), name)
return img, err
}
// PullImage pull image
func (d *Docker) PullImage(name string) error {
resp, err := d.ImagePull(context.TODO(), name, types.ImagePullOptions{})
if err != nil {
return err
}
_, err = io.Copy(ioutil.Discard, resp)
if err != nil {
return err
}
return nil
}
// RemoveImage remove image
func (d *Docker) RemoveImage(name string) error {
_, err := d.ImageRemove(context.TODO(), name, types.ImageRemoveOptions{})
return err
}
// RemoveDanglingImages remove dangling images
func (d *Docker) RemoveDanglingImages() error {
opt := types.ImageListOptions{
Filters: filters.NewArgs(filters.Arg("dangling", "true")),
}
images, err := d.Images(opt)
if err != nil {
return err
}
errIDs := []string{}
for _, image := range images {
if err := d.RemoveImage(image.ID); err != nil {
errIDs = append(errIDs, image.ID[7:19])
}
}
if len(errIDs) > 1 {
return fmt.Errorf("can not remove ids\n%s", errIDs)
}
return nil
}
// SaveImage save image to tar file
func (d *Docker) SaveImage(ids []string, path string) error {
file, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0666)
if err != nil {
return err
}
defer file.Close()
out, err := d.ImageSave(context.TODO(), ids)
if err != nil {
return err
}
if _, err = io.Copy(file, out); err != nil {
return err
}
return nil
}
// LoadImage load image from tar file
func (d *Docker) LoadImage(path string) error {
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
_, err = d.ImageLoad(context.TODO(), file, true)
return err
}
// ImportImage import image
func (d *Docker) ImportImage(name, tag, path string) error {
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
source := types.ImageImportSource{
Source: file,
SourceName: "-",
}
opt := types.ImageImportOptions{
Tag: tag,
}
_, err = d.ImageImport(context.TODO(), source, name, opt)
return err
}
// SearchImage search images
func (d *Docker) SearchImage(name string) ([]registry.SearchResult, error) {
// https://github.com/moby/moby/blob/8e610b2b55bfd1bfa9436ab110d311f5e8a74dcb/registry/service.go#L22
// Limit default:25 min:1 max:100
return d.ImageSearch(context.TODO(), name, types.ImageSearchOptions{Limit: 100})
}