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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.tenant;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.cloud.config.ZookeeperServerConfig;
import com.yahoo.component.Version;
import com.yahoo.concurrent.InThreadExecutorService;
import com.yahoo.concurrent.StripedExecutor;
import com.yahoo.config.model.api.OnnxModelCost;
import com.yahoo.config.model.test.MockApplicationPackage;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ApplicationName;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.config.server.ConfigServerDB;
import com.yahoo.vespa.config.server.MockSecretStore;
import com.yahoo.vespa.config.server.ServerCache;
import com.yahoo.vespa.config.server.TestConfigDefinitionRepo;
import com.yahoo.vespa.config.server.application.Application;
import com.yahoo.vespa.config.server.application.ApplicationVersions;
import com.yahoo.vespa.config.server.application.TenantApplications;
import com.yahoo.vespa.config.server.application.TenantApplicationsTest;
import com.yahoo.vespa.config.server.filedistribution.FileDirectory;
import com.yahoo.vespa.config.server.filedistribution.FileDistributionFactory;
import com.yahoo.vespa.config.server.host.HostRegistry;
import com.yahoo.vespa.config.server.modelfactory.ModelFactoryRegistry;
import com.yahoo.vespa.config.server.monitoring.MetricUpdater;
import com.yahoo.vespa.config.server.monitoring.Metrics;
import com.yahoo.vespa.config.server.provision.HostProvisionerProvider;
import com.yahoo.vespa.curator.Curator;
import com.yahoo.vespa.curator.mock.MockCurator;
import com.yahoo.vespa.curator.transaction.CuratorTransaction;
import com.yahoo.vespa.flags.FlagSource;
import com.yahoo.vespa.flags.InMemoryFlagSource;
import com.yahoo.vespa.model.VespaModel;
import com.yahoo.vespa.model.VespaModelFactory;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.rules.TemporaryFolder;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.time.Clock;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class TenantRepositoryTest {
private static final TenantName tenant1 = TenantName.from("tenant1");
private static final TenantName tenant2 = TenantName.from("tenant2");
private static final TenantName tenant3 = TenantName.from("tenant3");
private TenantRepository tenantRepository;
private TenantApplicationsTest.MockConfigActivationListener listener;
private MockTenantListener tenantListener;
private Curator curator;
private ConfigserverConfig configserverConfig;
@SuppressWarnings("deprecation")
@Rule
public ExpectedException expectedException = ExpectedException.none();
@Rule
public TemporaryFolder temporaryFolder = new TemporaryFolder();
@Before
public void setupSessions() throws IOException {
curator = new MockCurator();
listener = new TenantApplicationsTest.MockConfigActivationListener();
tenantListener = new MockTenantListener();
assertFalse(tenantListener.tenantsLoaded);
configserverConfig = new ConfigserverConfig.Builder()
.configServerDBDir(temporaryFolder.newFolder().getAbsolutePath())
.configDefinitionsDir(temporaryFolder.newFolder().getAbsolutePath())
.build();
tenantRepository = new TestTenantRepository.Builder().withConfigserverConfig(configserverConfig)
.withCurator(curator)
.withConfigActivationListener(listener)
.withTenantListener(tenantListener)
.build();
assertTrue(tenantListener.tenantsLoaded);
tenantRepository.addTenant(tenant1);
tenantRepository.addTenant(tenant2);
}
@After
public void closeSessions() {
tenantRepository.close();
}
@Test
public void testStartUp() {
assertEquals(tenantRepository.getTenant(tenant1).getName(), tenant1);
assertEquals(tenantRepository.getTenant(tenant2).getName(), tenant2);
}
@Test
public void testListenersAdded() throws IOException, SAXException {
TenantApplications applicationRepo = tenantRepository.getTenant(tenant1).getApplicationRepo();
ApplicationId id = ApplicationId.from(tenant1, ApplicationName.defaultName(), InstanceName.defaultName());
applicationRepo.createApplication(id);
try (var transaction = new CuratorTransaction(curator)) {
applicationRepo.createWriteActiveTransaction(transaction, id, 4).commit();
}
applicationRepo.activateApplication(ApplicationVersions.from(new Application(new VespaModel(MockApplicationPackage.createEmpty()),
new ServerCache(),
4L,
new Version(1, 2, 3),
MetricUpdater.createTestUpdater(),
id)),
4);
assertEquals(1, listener.activated.get());
}
@Test
public void testTenantListenersNotified() throws Exception {
tenantRepository.addTenant(tenant3);
assertEquals("tenant3 not the last created tenant. Tenants: " + tenantRepository.getAllTenantNames() +
", /config/v2/tenants: " + readZKChildren("/config/v2/tenants"),
tenant3, tenantListener.tenantCreatedName);
tenantRepository.deleteTenant(tenant2);
assertFalse(tenantRepository.getAllTenantNames().contains(tenant2));
assertEquals(tenant2, tenantListener.tenantDeletedName);
}
@Test
public void testAddTenant() throws Exception {
Set<TenantName> allTenants = tenantRepository.getAllTenantNames();
assertTrue(allTenants.contains(tenant1));
assertTrue(allTenants.contains(tenant2));
tenantRepository.addTenant(tenant3);
assertZooKeeperTenantPathExists(tenant3);
allTenants = tenantRepository.getAllTenantNames();
assertTrue(allTenants.contains(tenant1));
assertTrue(allTenants.contains(tenant2));
assertTrue(allTenants.contains(tenant3));
}
@Test
public void testDeleteTenant() throws Exception {
assertZooKeeperTenantPathExists(tenant1);
tenantRepository.deleteTenant(tenant1);
assertFalse(tenantRepository.getAllTenantNames().contains(tenant1));
try {
tenantRepository.deleteTenant(TenantName.from("non-existing"));
fail("deletion of non-existing tenant should fail");
} catch (IllegalArgumentException e) {
// expected
}
}
@Test(expected = IllegalArgumentException.class)
public void testDeletingDefaultTenant() {
try {
assertZooKeeperTenantPathExists(TenantName.defaultName());
} catch (Exception e) {
fail("default tenant does not exist");
}
tenantRepository.deleteTenant(TenantName.defaultName());
}
@Test
public void testTenantWatching() throws Exception {
TenantName newTenant = TenantName.from("newTenant");
List<TenantName> expectedTenants = Arrays.asList(TenantName.defaultName(), newTenant);
try {
tenantRepository.addTenant(newTenant);
// Poll for the watcher to pick up the tenant from zk, and add it
int tries=0;
while(true) {
if (tries > 5000) fail("Didn't react on watch");
if (tenantRepository.getAllTenantNames().containsAll(expectedTenants)) {
break;
}
tries++;
Thread.sleep(10);
}
} finally {
assertTrue(tenantRepository.getAllTenantNames().containsAll(expectedTenants));
tenantRepository.close();
}
}
@Test
public void testFailingBootstrap() {
tenantRepository.close(); // stop using the one setup in Before method
expectedException.expect(RuntimeException.class);
expectedException.expectMessage("Could not create all tenants when bootstrapping, failed to create: [default]");
new FailingDuringBootstrapTenantRepository(configserverConfig);
}
private List<String> readZKChildren(String path) throws Exception {
return curator.framework().getChildren().forPath(path);
}
private void assertZooKeeperTenantPathExists(TenantName tenantName) throws Exception {
assertNotNull(curator.framework().checkExists().forPath(TenantRepository.getTenantPath(tenantName).getAbsolute()));
}
private static class FailingDuringBootstrapTenantRepository extends TenantRepository {
private static final FlagSource flagSource = new InMemoryFlagSource();
public FailingDuringBootstrapTenantRepository(ConfigserverConfig configserverConfig) {
super(new HostRegistry(),
new MockCurator(),
Metrics.createTestMetrics(),
new StripedExecutor<>(new InThreadExecutorService()),
new StripedExecutor<>(new InThreadExecutorService()),
new FileDistributionFactory(configserverConfig, new FileDirectory(configserverConfig)),
flagSource,
new InThreadExecutorService(),
new MockSecretStore(),
HostProvisionerProvider.empty(),
configserverConfig,
new ConfigServerDB(configserverConfig),
Zone.defaultZone(),
Clock.systemUTC(),
new ModelFactoryRegistry(List.of(VespaModelFactory.createTestFactory())),
new TestConfigDefinitionRepo(),
new TenantApplicationsTest.MockConfigActivationListener(),
new MockTenantListener(),
new ZookeeperServerConfig.Builder().myid(0).build(),
OnnxModelCost.disabled());
}
@Override
public void bootstrapTenant(TenantName tenantName) {
throw new RuntimeException("Failed to create: " + tenantName);
}
}
}
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