feat(host-ctr): add eusc-de-east-1 ecr prefix mapping

Author: jmt-lab

sources/host-ctr/cmd/host-ctr/main.go

@@ -42,7 +42,7 @@ import (
 
 // ECR hostname pattern also used in the ecr-credential-provider:
 // https://github.com/kubernetes/cloud-provider-aws/blob/212135d0d7b448cd34e2e11e5e81f59e3e6c2d7a/cmd/ecr-credential-provider/main.go#L45
-var ecrRegex = regexp.MustCompile(`^(\d{12})\.dkr[\.\-]ecr(-fips)?\.([a-zA-Z0-9][a-zA-Z0-9-_]*)\.(amazonaws\.com(?:\.cn)?|on\.(?:aws|amazonwebservices\.com\.cn)|sc2s\.sgov\.gov|c2s\.ic\.gov|cloud\.adc-e\.uk|csp\.hci\.ic\.gov).*$`)
+var ecrRegex = regexp.MustCompile(`^(\d{12})\.dkr[\.\-]ecr(-fips)?\.([a-zA-Z0-9][a-zA-Z0-9-_]*)\.(amazonaws(\.com(?:\.cn)?|\.eu)|on\.(?:aws|amazonwebservices\.com\.cn)|sc2s\.sgov\.gov|c2s\.ic\.gov|cloud\.adc-e\.uk|csp\.hci\.ic\.gov).*$`)
 
 // A set of currently supported ECR regions which are not yet present in the golang SDK
 var ecrRefPrefixMapping = map[string]string{
@@ -52,6 +52,7 @@ var ecrRefPrefixMapping = map[string]string{
 	"ap-southeast-6":  "ecr.aws/arn:aws:ecr:ap-southeast-6:",
 	"us-northeast-1":  "ecr.aws/arn:aws:ecr:us-northeast-1:",
 	"eu-isoe-west-1":  "ecr.aws/arn:aws-iso-e:ecr:eu-isoe-west-1:",
+	"eusc-de-east-1":  "ecr.aws/arn:aws-eusc:ecr:eusc-de-east-1:",
 	"us-iso-east-1":   "ecr.aws/arn:aws-iso:ecr:us-iso-east-1:",
 	"us-iso-west-1":   "ecr.aws/arn:aws-iso:ecr:us-iso-west-1:",
 	"us-isob-east-1":  "ecr.aws/arn:aws-iso-b:ecr:us-isob-east-1:",

sources/host-ctr/cmd/host-ctr/main_test.go

@@ -202,6 +202,17 @@ func TestParseImageURIAsECR(t *testing.T) {
 				Fips:     false,
 			},
 		},
+		{
+			"Parse special region",
+			"777777777777.dkr.ecr.eusc-de-east-1.amazonaws.eu/my_image:latest",
+			false,
+			&parsedECR{
+				Account:  "777777777777",
+				Region:   "eusc-de-east-1",
+				RepoPath: "my_image:latest",
+				Fips:     false,
+			},
+		},
 		{
 			"Parse special region",
 			"777777777777.dkr.ecr.us-iso-east-1.c2s.ic.gov/my_image:latest",