diff options
Diffstat (limited to 'pkg/domain/infra/abi/manifest.go')
| -rw-r--r-- | pkg/domain/infra/abi/manifest.go | 85 |
1 files changed, 71 insertions, 14 deletions
diff --git a/pkg/domain/infra/abi/manifest.go b/pkg/domain/infra/abi/manifest.go index 672d0a69f..6c518e678 100644 --- a/pkg/domain/infra/abi/manifest.go +++ b/pkg/domain/infra/abi/manifest.go @@ -3,6 +3,7 @@ package abi import ( + "bytes" "context" "encoding/json" "fmt" @@ -11,15 +12,17 @@ import ( "strings" "github.com/containers/buildah/manifests" + buildahManifests "github.com/containers/buildah/pkg/manifests" + "github.com/containers/buildah/util" 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" "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" @@ -41,28 +44,82 @@ func (ir *ImageEngine) ManifestCreate(ctx context.Context, names, images []strin // 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 newImage, err := ir.Libpod.ImageRuntime().NewFromLocal(name); err == nil { + // return the manifest in local storage + if list, err := newImage.InspectManifest(); err == nil { + buf, err := json.MarshalIndent(list, "", " ") + if err != nil { + return buf, errors.Wrapf(err, "error rendering manifest %s for display", name) + } + return buf, nil + // no return if local image is not a list of images type + // continue on getting valid manifest through remote serice + } else if errors.Cause(err) != buildahManifests.ErrManifestTypeNotSupported { + return nil, errors.Wrapf(err, "loading manifest %q", name) + } + } + sc := ir.Libpod.SystemContext() + refs, err := util.ResolveNameToReferences(ir.Libpod.GetStore(), sc, name) if err != nil { - _, err = alltransports.ParseImageName(dockerPrefix + name) + return nil, err + } + var ( + latestErr error + result []byte + manType string + b bytes.Buffer + ) + appendErr := func(e error) { + if latestErr == nil { + latestErr = e + } else { + latestErr = errors.Wrapf(latestErr, "tried %v\n", e) + } + } + for _, ref := range refs { + src, err := ref.NewImageSource(ctx, sc) + if err != nil { + appendErr(errors.Wrapf(err, "reading image %q", transports.ImageName(ref))) + continue + } + defer src.Close() + + manifestBytes, manifestType, err := src.GetManifest(ctx, nil) if err != nil { - return nil, errors.Errorf("invalid image reference %q", name) + appendErr(errors.Wrapf(err, "loading manifest %q", transports.ImageName(ref))) + continue } + + if !manifest.MIMETypeIsMultiImage(manifestType) { + appendErr(errors.Errorf("manifest is of type %s (not a list type)", manifestType)) + continue + } + result = manifestBytes + manType = manifestType + break } - 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) + if len(result) == 0 && latestErr != nil { + return nil, latestErr } + if manType != manifest.DockerV2ListMediaType { + listBlob, err := manifest.ListFromBlob(result, manType) + if err != nil { + return nil, errors.Wrapf(err, "error parsing manifest blob %q as a %q", string(result), manType) + } + list, err := listBlob.ConvertToMIMEType(manifest.DockerV2ListMediaType) + if err != nil { + return nil, err + } + if result, err = list.Serialize(); err != nil { + return nil, err + } - list, err := image.InspectManifest() - if err != nil { - return nil, errors.Wrapf(err, "loading manifest %q", name) } - buf, err := json.MarshalIndent(list, "", " ") + err = json.Indent(&b, result, "", " ") if err != nil { - return buf, errors.Wrapf(err, "error rendering manifest for display") + return nil, errors.Wrapf(err, "error rendering manifest %s for display", name) } - return buf, nil + return b.Bytes(), nil } // ManifestAdd adds images to the manifest list |