c8d/resolver: Fallback to http for insecure registries

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/registry/service.go b/registry/service.go
index a4453bb17a..a505f00e7e 100644
--- a/registry/service.go
+++ b/registry/service.go
@@ -26,6 +26,7 @@ type Service interface {
 	LoadAllowNondistributableArtifacts([]string) error
 	LoadMirrors([]string) error
 	LoadInsecureRegistries([]string) error
+	IsInsecureRegistry(string) bool
 }
 
 // defaultService is a registry service. It tracks configuration data such as a list
@@ -232,3 +233,9 @@ func (s *defaultService) LookupPushEndpoints(hostname string) (endpoints []APIEn
 	}
 	return endpoints, err
 }
+
+// IsInsecureRegistry returns true if the registry at given host is configured as
+// insecure registry.
+func (s *defaultService) IsInsecureRegistry(host string) bool {
+	return !s.config.isSecureIndex(host)
+}