feat: subdomain-url in entrypoint

Makefile

@@ -21,7 +21,7 @@ test-kubo-subdomains: provision-kubo gateway-conformance
 		}											\
 	}'
 	# todo: SUBDOMAIN_GATEWAY_URL should be a cmd parameter
-	./gateway-conformance test --json output.json --gateway-url ${GATEWAY_URL} --subdomain-url ${SUBDOMAIN_GATEWAY_URL} --specs +subdomain-gateway
+	./gateway-conformance test --json output.json --gateway-url http://127.0.0.1:8080 --subdomain-url http://example.com:8080 --specs +subdomain-gateway
 
 test-kubo: provision-kubo
 	GATEWAY_URL=http://127.0.0.1:8080 make _test

cmd/gateway-conformance/main.go

@@ -57,6 +57,7 @@ func copyFiles(inputPaths []string, outputDirectoryPath string) error {
 
 func main() {
 	var gatewayURL string
+	var subdomainGatewayURL string
 	var jsonOutput string
 	var specs string
 	var directory string
@@ -78,6 +79,12 @@ func main() {
 						Value:       "http://localhost:8080",
 						Destination: &gatewayURL,
 					},
+					&cli.StringFlag{
+						Name:        "subdomain-url",
+						Usage:       "The Subdomain URL of the IPFS Gateway implementation to be tested.",
+						Value:       "http://example.com:8080",
+						Destination: &subdomainGatewayURL,
+					},
 					&cli.StringFlag{
 						Name:        "json-output",
 						Aliases:     []string{"json", "j"},
@@ -107,6 +114,11 @@ func main() {
 					cmd := exec.Command("go", args...)
 					cmd.Dir = tooling.Home()
 					cmd.Env = append(os.Environ(), fmt.Sprintf("GATEWAY_URL=%s", gatewayURL))
+
+					if subdomainGatewayURL != "" {
+						cmd.Env = append(cmd.Env, fmt.Sprintf("SUBDOMAIN_GATEWAY_URL=%s", subdomainGatewayURL))
+					}
+
 					cmd.Stdout = out{output}
 					cmd.Stderr = os.Stderr
 					testErr := cmd.Run()