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hub / github.com/containers/common / Push

Method Push

libimage/push.go:27–89  ·  view source on GitHub ↗

Push pushes the specified source which must refer to an image in the local containers storage. It may or may not have the `containers-storage:` prefix. Use destination to push to a custom destination. The destination can refer to any supported transport. If not transport is specified, the docker

(ctx context.Context, source, destination string, options *PushOptions)

Source from the content-addressed store, hash-verified

25// Return storage.ErrImageUnknown if source could not be found in the local
26// containers storage.
27func (r *Runtime) Push(ctx context.Context, source, destination string, options *PushOptions) ([]byte, error) {
28 if options == nil {
29 options = &PushOptions{}
30 }
31
32 // Look up the local image. Note that we need to ignore the platform
33 // and push what the user specified (containers/podman/issues/10344).
34 image, resolvedSource, err := r.LookupImage(source, nil)
35 if err != nil {
36 return nil, err
37 }
38
39 srcRef, err := image.StorageReference()
40 if err != nil {
41 return nil, err
42 }
43
44 // Make sure we have a proper destination, and parse it into an image
45 // reference for copying.
46 if destination == "" {
47 // Doing an ID check here is tempting but false positives (due
48 // to a short partial IDs) are more painful than false
49 // negatives.
50 destination = resolvedSource
51 }
52
53 logrus.Debugf("Pushing image %s to %s", source, destination)
54
55 destRef, err := alltransports.ParseImageName(destination)
56 if err != nil {
57 // If the input does not include a transport assume it refers
58 // to a registry.
59 dockerRef, dockerErr := alltransports.ParseImageName("docker://" + destination)
60 if dockerErr != nil {
61 return nil, err
62 }
63 destRef = dockerRef
64 }
65
66 if r.eventChannel != nil {
67 defer r.writeEvent(&Event{ID: image.ID(), Name: destination, Time: time.Now(), Type: EventTypeImagePush})
68 }
69
70 // Buildah compat: Make sure to tag the destination image if it's a
71 // Docker archive. This way, we preserve the image name.
72 if destRef.Transport().Name() == dockerArchiveTransport.Transport.Name() {
73 if named, err := reference.ParseNamed(resolvedSource); err == nil {
74 tagged, isTagged := named.(reference.NamedTagged)
75 if isTagged {
76 options.dockerArchiveAdditionalTags = []reference.NamedTagged{tagged}
77 }
78 }
79 }
80
81 c, err := r.newCopier(&options.CopyOptions)
82 if err != nil {
83 return nil, err
84 }

Callers

nothing calls this directly

Calls 7

LookupImageMethod · 0.95
writeEventMethod · 0.95
newCopierMethod · 0.95
StorageReferenceMethod · 0.80
closeMethod · 0.80
copyMethod · 0.80
IDMethod · 0.45

Tested by

no test coverage detected