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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
// +build !remote
package abi
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"strings"
"github.com/containers/buildah/manifests"
buildahUtil "github.com/containers/buildah/util"
cp "github.com/containers/image/v5/copy"
"github.com/containers/image/v5/docker"
"github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/transports/alltransports"
"github.com/containers/image/v5/types"
libpodImage "github.com/containers/podman/v2/libpod/image"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/util"
"github.com/opencontainers/go-digest"
imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
)
// ManifestCreate implements logic for creating manifest lists via ImageEngine
func (ir *ImageEngine) ManifestCreate(ctx context.Context, names, images []string, opts entities.ManifestCreateOptions) (string, error) {
fullNames, err := buildahUtil.ExpandNames(names, "", ir.Libpod.SystemContext(), ir.Libpod.GetStore())
if err != nil {
return "", errors.Wrapf(err, "error encountered while expanding image name %q", names)
}
imageID, err := libpodImage.CreateManifestList(ir.Libpod.ImageRuntime(), *ir.Libpod.SystemContext(), fullNames, images, opts.All)
if err != nil {
return imageID, err
}
return imageID, err
}
// ManifestInspect returns the content of a manifest list or image
func (ir *ImageEngine) ManifestInspect(ctx context.Context, name string) ([]byte, error) {
dockerPrefix := fmt.Sprintf("%s://", docker.Transport.Name())
_, err := alltransports.ParseImageName(name)
if err != nil {
_, err = alltransports.ParseImageName(dockerPrefix + name)
if err != nil {
return nil, errors.Errorf("invalid image reference %q", name)
}
}
image, err := ir.Libpod.ImageRuntime().New(ctx, name, "", "", nil, nil, libpodImage.SigningOptions{}, nil, util.PullImageMissing)
if err != nil {
return nil, errors.Wrapf(err, "reading image %q", name)
}
list, err := image.InspectManifest()
if err != nil {
return nil, errors.Wrapf(err, "loading manifest %q", name)
}
buf, err := json.MarshalIndent(list, "", " ")
if err != nil {
return buf, errors.Wrapf(err, "error rendering manifest for display")
}
return buf, nil
}
// ManifestAdd adds images to the manifest list
func (ir *ImageEngine) ManifestAdd(ctx context.Context, opts entities.ManifestAddOptions) (string, error) {
imageSpec := opts.Images[0]
listImageSpec := opts.Images[1]
dockerPrefix := fmt.Sprintf("%s://", docker.Transport.Name())
_, err := alltransports.ParseImageName(imageSpec)
if err != nil {
_, err = alltransports.ParseImageName(fmt.Sprintf("%s%s", dockerPrefix, imageSpec))
if err != nil {
return "", errors.Errorf("invalid image reference %q", imageSpec)
}
}
listImage, err := ir.Libpod.ImageRuntime().NewFromLocal(listImageSpec)
if err != nil {
return "", errors.Wrapf(err, "error retrieving local image from image name %s", listImageSpec)
}
manifestAddOpts := libpodImage.ManifestAddOpts{
All: opts.All,
Arch: opts.Arch,
Features: opts.Features,
Images: opts.Images,
OS: opts.OS,
OSVersion: opts.OSVersion,
Variant: opts.Variant,
}
if len(opts.Annotation) != 0 {
annotations := make(map[string]string)
for _, annotationSpec := range opts.Annotation {
spec := strings.SplitN(annotationSpec, "=", 2)
if len(spec) != 2 {
return "", errors.Errorf("no value given for annotation %q", spec[0])
}
annotations[spec[0]] = spec[1]
}
manifestAddOpts.Annotation = annotations
}
listID, err := listImage.AddManifest(*ir.Libpod.SystemContext(), manifestAddOpts)
if err != nil {
return listID, err
}
return listID, nil
}
// ManifestAnnotate updates an entry of the manifest list
func (ir *ImageEngine) ManifestAnnotate(ctx context.Context, names []string, opts entities.ManifestAnnotateOptions) (string, error) {
listImage, err := ir.Libpod.ImageRuntime().NewFromLocal(names[0])
if err != nil {
return "", errors.Wrapf(err, "error retreiving local image from image name %s", names[0])
}
digest, err := digest.Parse(names[1])
if err != nil {
return "", errors.Errorf(`invalid image digest "%s": %v`, names[1], err)
}
manifestAnnotateOpts := libpodImage.ManifestAnnotateOpts{
Arch: opts.Arch,
Features: opts.Features,
OS: opts.OS,
OSFeatures: opts.OSFeatures,
OSVersion: opts.OSVersion,
Variant: opts.Variant,
}
if len(opts.Annotation) > 0 {
annotations := make(map[string]string)
for _, annotationSpec := range opts.Annotation {
spec := strings.SplitN(annotationSpec, "=", 2)
if len(spec) != 2 {
return "", errors.Errorf("no value given for annotation %q", spec[0])
}
annotations[spec[0]] = spec[1]
}
manifestAnnotateOpts.Annotation = annotations
}
updatedListID, err := listImage.AnnotateManifest(*ir.Libpod.SystemContext(), digest, manifestAnnotateOpts)
if err == nil {
return fmt.Sprintf("%s: %s", updatedListID, digest.String()), nil
}
return "", err
}
// ManifestRemove removes specified digest from the specified manifest list
func (ir *ImageEngine) ManifestRemove(ctx context.Context, names []string) (string, error) {
instanceDigest, err := digest.Parse(names[1])
if err != nil {
return "", errors.Errorf(`invalid image digest "%s": %v`, names[1], err)
}
listImage, err := ir.Libpod.ImageRuntime().NewFromLocal(names[0])
if err != nil {
return "", errors.Wrapf(err, "error retrieving local image from image name %s", names[0])
}
updatedListID, err := listImage.RemoveManifest(instanceDigest)
if err == nil {
return fmt.Sprintf("%s :%s\n", updatedListID, instanceDigest.String()), nil
}
return "", err
}
// ManifestPush pushes a manifest list or image index to the destination
func (ir *ImageEngine) ManifestPush(ctx context.Context, names []string, opts entities.ManifestPushOptions) error {
listImage, err := ir.Libpod.ImageRuntime().NewFromLocal(names[0])
if err != nil {
return errors.Wrapf(err, "error retrieving local image from image name %s", names[0])
}
dest, err := alltransports.ParseImageName(names[1])
if err != nil {
return err
}
var manifestType string
if opts.Format != "" {
switch opts.Format {
case "oci":
manifestType = imgspecv1.MediaTypeImageManifest
case "v2s2", "docker":
manifestType = manifest.DockerV2Schema2MediaType
default:
return errors.Errorf("unknown format %q. Choose one of the supported formats: 'oci' or 'v2s2'", opts.Format)
}
}
// Set the system context.
sys := ir.Libpod.SystemContext()
if sys != nil {
sys = &types.SystemContext{}
}
sys.AuthFilePath = opts.Authfile
sys.DockerInsecureSkipTLSVerify = opts.SkipTLSVerify
if opts.Username != "" && opts.Password != "" {
sys.DockerAuthConfig = &types.DockerAuthConfig{
Username: opts.Username,
Password: opts.Password,
}
}
options := manifests.PushOptions{
Store: ir.Libpod.GetStore(),
SystemContext: sys,
ImageListSelection: cp.CopySpecificImages,
Instances: nil,
RemoveSignatures: opts.RemoveSignatures,
SignBy: opts.SignBy,
ManifestType: manifestType,
}
if opts.All {
options.ImageListSelection = cp.CopyAllImages
}
if !opts.Quiet {
options.ReportWriter = os.Stderr
}
digest, err := listImage.PushManifest(dest, options)
if err == nil && opts.Purge {
_, err = ir.Libpod.GetStore().DeleteImage(listImage.ID(), true)
}
if opts.DigestFile != "" {
if err = ioutil.WriteFile(opts.DigestFile, []byte(digest.String()), 0644); err != nil {
return buildahUtil.GetFailureCause(err, errors.Wrapf(err, "failed to write digest to file %q", opts.DigestFile))
}
}
return err
}
|
