c8d/image: Add hostPlatformMatcher

Subset of 842c5c5 which only adds the `hostPlatformMatcher` method. Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
moby · Aug 27, 2024 · ecd2b6f · ecd2b6f
1 parent 0a38589
commit ecd2b6f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/daemon/containerd/platform_matchers.go b/daemon/containerd/platform_matchers.go
@@ -24,3 +24,11 @@ func (c allPlatformsWithPreferenceMatcher) Match(_ ocispec.Platform) bool {
 func (c allPlatformsWithPreferenceMatcher) Less(p1, p2 ocispec.Platform) bool {
 	return c.preferred.Less(p1, p2)
 }
+
+func (i *ImageService) hostPlatformMatcher() platforms.MatchComparer {
+	// Allow to override the host platform for testing purposes.
+	if i.defaultPlatformOverride != nil {
+		return i.defaultPlatformOverride
+	}
+	return platforms.Default()
+}