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Handle OCI manifests and image indexes without a media type

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In the OCI image specification, the MediaType field is reserved
and otherwise undefined; assume that manifests without a media
in storage are OCI images or image indexes, and determine which
by looking at what fields are in the JSON. We do keep a check
that when unmarshalling an OCI image or image index, if it has
a MediaType field, it must match that media type of the upload.

Signed-off-by: Owen W. Taylor <otaylor@fishsoup.net>
This commit is contained in:
Owen W. Taylor 2018-03-14 17:22:36 -04:00
parent 1d47ef7b80
commit 60d9c5dfad
5 changed files with 27 additions and 8 deletions
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2
manifest/ocischema/manifest_test.go
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@ -178,7 +178,7 @@ func mediaTypeTest(t *testing.T, mediaType string, shouldError bool) {
}
func TestMediaTypes(t *testing.T) {
mediaTypeTest(t, "", true)
mediaTypeTest(t, "", false)
mediaTypeTest(t, v1.MediaTypeImageManifest, false)
mediaTypeTest(t, v1.MediaTypeImageManifest+"XXX", true)
}