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feat: add support for docker images (#2714)

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* feat: add support for docker images

Issue #724

A new config section under "HTTP" called "Compat" is added which
currently takes a list of possible compatible legacy media-types.

https://github.com/opencontainers/image-spec/blob/main/media-types.md#compatibility-matrix

Only "docker2s2" (Docker Manifest V2 Schema V2) is currently supported.

Garbage collection also needs to be made aware of non-OCI compatible
layer types.
feat: add cve support for non-OCI compatible layer types

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

* 

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

* test: add more docker compat tests

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

* feat: add additional validation checks for non-OCI images

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

* ci: make "full" images docker-compatible

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

---------

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>
This commit is contained in:
Ramkumar Chinchani
2024-10-31 00:44:04 -07:00
committed by GitHub
parent 403fd4eb61
commit cb2af94b0b
44 changed files with 436 additions and 191 deletions
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pkg/meta/parse.go
+4 -4
View File
@@ -11,6 +11,7 @@ import (
zerr "zotregistry.dev/zot/errors"
zcommon "zotregistry.dev/zot/pkg/common"
"zotregistry.dev/zot/pkg/compat"
"zotregistry.dev/zot/pkg/log"
"zotregistry.dev/zot/pkg/meta/convert"
mTypes "zotregistry.dev/zot/pkg/meta/types"
@@ -309,8 +310,7 @@ func SetImageMetaFromInput(ctx context.Context, repo, reference, mediaType strin
) error {
var imageMeta mTypes.ImageMeta
switch mediaType {
case ispec.MediaTypeImageManifest:
if mediaType == ispec.MediaTypeImageManifest || compat.IsCompatibleManifestMediaType(mediaType) { //nolint:gocritic,lll // mixing checking mechanisms
manifestContent := ispec.Manifest{}
configContent := ispec.Image{}
@@ -367,7 +367,7 @@ func SetImageMetaFromInput(ctx context.Context, repo, reference, mediaType strin
}
imageMeta = convert.GetImageManifestMeta(manifestContent, configContent, int64(len(blob)), digest)
case ispec.MediaTypeImageIndex:
} else if mediaType == ispec.MediaTypeImageIndex || compat.IsCompatibleManifestListMediaType(mediaType) {
indexContent := ispec.Index{}
err := json.Unmarshal(blob, &indexContent)
@@ -376,7 +376,7 @@ func SetImageMetaFromInput(ctx context.Context, repo, reference, mediaType strin
}
imageMeta = convert.GetImageIndexMeta(indexContent, int64(len(blob)), digest)
default:
} else {
return nil
}