Make a best effort attempt to support multiple CPU architectures (#2672)

I obtained access to an IBM s390x VM so I thought I'd see how multi-arch
Nomulus is.

Our main application is in Java so it is already multi-arch, but several
tests use docker images that are by default x64. Luckily postgres has an
s390x port, but selenium does not. So I had to disable Screenshot tests
when the arch is not amd64.

core/src/test/java/google/registry/persistence/HibernateSchemaExporterTest.java

@@ -38,7 +38,7 @@ class HibernateSchemaExporterTest {
 
   @Container
   private static final PostgreSQLContainer database =
-      new PostgreSQLContainer(NomulusPostgreSql.getDockerTag());
+      new PostgreSQLContainer(NomulusPostgreSql.getDockerImageName());
 
   private static HibernateSchemaExporter exporter;
 
@@ -61,12 +61,12 @@ class HibernateSchemaExporterTest {
         .isEqualTo(
             """
 
-                    create table "TestEntity" (
-                        name text not null,
-                        cu text,
-                        primary key (name)
-                    );
-                """
+    create table "TestEntity" (
+        name text not null,
+        cu text,
+        primary key (name)
+    );
+"""
                 .getBytes(StandardCharsets.UTF_8));
   }
 

core/src/test/java/google/registry/persistence/PersistenceModuleTest.java

@@ -42,7 +42,7 @@ class PersistenceModuleTest {
 
   @Container
   private final PostgreSQLContainer database =
-      new PostgreSQLContainer(NomulusPostgreSql.getDockerTag());
+      new PostgreSQLContainer(NomulusPostgreSql.getDockerImageName());
 
   private EntityManagerFactory emf;
 

core/src/test/java/google/registry/persistence/transaction/JpaTransactionManagerExtension.java

@@ -140,7 +140,7 @@ public abstract class JpaTransactionManagerExtension
 
   private static JdbcDatabaseContainer<?> create() {
     PostgreSQLContainer<?> container =
-        new PostgreSQLContainer<>(NomulusPostgreSql.getDockerTag())
+        new PostgreSQLContainer<>(NomulusPostgreSql.getDockerImageName())
             .withDatabaseName(POSTGRES_DB_NAME);
     container.start();
     return container;

core/src/test/java/google/registry/tools/GenerateSqlSchemaCommandTest.java

@@ -39,7 +39,7 @@ class GenerateSqlSchemaCommandTest extends CommandTestCase<GenerateSqlSchemaComm
 
   @Container
   private static final PostgreSQLContainer<?> postgres =
-      new PostgreSQLContainer<>(NomulusPostgreSql.getDockerTag())
+      new PostgreSQLContainer<>(NomulusPostgreSql.getDockerImageName())
           .withDatabaseName("postgres")
           .withUsername("postgres")
           .withPassword("domain-registry");

core/src/test/java/google/registry/webdriver/ConsoleScreenshotTest.java

@@ -23,6 +23,7 @@ import google.registry.model.console.RegistrarRole;
 import google.registry.server.RegistryTestServer;
 import java.util.List;
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.condition.EnabledIfSystemProperty;
 import org.junit.jupiter.api.extension.RegisterExtension;
 import org.junitpioneer.jupiter.RetryingTest;
 import org.openqa.selenium.By;
@@ -47,6 +48,8 @@ import org.openqa.selenium.WebElement;
  * the color fading over a short period of time. We must wait for the highlighting to fade to get
  * cnosistent images to avoid spurious failures.
  */
+// The Selenium image only supports amd64 architecture.
+@EnabledIfSystemProperty(named = "os.arch", matches = "amd64")
 public class ConsoleScreenshotTest extends WebDriverTestCase {
 
   @RegisterExtension

core/src/test/java/google/registry/webdriver/DockerWebDriverExtension.java

@@ -37,7 +37,11 @@ class DockerWebDriverExtension implements BeforeAllCallback, AfterAllCallback {
   // This port number is defined in this Dockerfile:
   // https://github.com/SeleniumHQ/docker-selenium/blob/master/StandaloneChrome/Dockerfile#L21
   private static final int CHROME_DRIVER_SERVICE_PORT = 4444;
-  private static final URL WEB_DRIVER_URL = getWebDriverUrl();
+  // The selenium image only supports amd64 architecture. We disable the call to getWebDriverUrl()
+  // here as the extension is instantiated in the test class before the test runner had a chance to
+  // disable the tests.
+  private static final URL WEB_DRIVER_URL =
+      System.getProperty("os.arch").equals("amd64") ? getWebDriverUrl() : null;
   private WebDriver webDriver;
 
   private static URL getWebDriverUrl() {