trim http https prefix when matching hostname

internal/docker/image/image.go

@@ -5,6 +5,7 @@
 package image
 
 import (
+	"net/url"
 	"strings"
 
 	"github.com/docker/distribution/reference"
@@ -71,6 +72,16 @@ func MatchHostname(image, hostname string) bool {
 	if hostname == "index.docker.io" {
 		hostname = "docker.io"
 	}
+	// the auth address could be a fully qualified
+	// url in which case, we should parse so we can
+	// extract the domain name.
+	if strings.HasPrefix(hostname, "http://") ||
+		strings.HasPrefix(hostname, "https://") {
+		parsed, err := url.Parse(hostname)
+		if err != nil {
+			hostname = parsed.Host
+		}
+	}
 	return reference.Domain(named) == hostname
 }
 

internal/docker/image/image_test.go

@@ -250,6 +250,11 @@ func Test_matchHostname(t *testing.T) {
 			hostname: "012345678910.dkr.ecr.us-east-1.amazonaws.com",
 			want:     true,
 		},
+		{
+			image:    "012345678910.dkr.ecr.us-east-1.amazonaws.com/foo:latest",
+			hostname: "https://012345678910.dkr.ecr.us-east-1.amazonaws.com",
+			want:     true,
+		},
 		{
 			image:    "*&^%",
 			hostname: "1.2.3.4:8000",