add mediatype check

Signed-off-by: zhouhao <zhouhao@cn.fujitsu.com>
opencontainers · Mar 8, 2017 · 6b69999 · 6b69999
1 parent 935fda0
commit 6b69999
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/schema/validator.go b/schema/validator.go
@@ -136,6 +136,10 @@ func validateIndex(r io.Reader) error {
 	}
 
 	for _, manifest := range header.Manifests {
+		if manifest.MediaType != string(v1.MediaTypeImageIndex) {
+			fmt.Printf("warning: manifest %s has an unknown media type: %s\n", manifest.Digest, manifest.MediaType)
+		}
+
 		checkPlatform(manifest.Platform.OS, manifest.Platform.Architecture)
 	}