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// Copyright 2017 Yahoo Holdings. 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.component.Version;
import com.yahoo.config.model.test.MockApplicationPackage;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ApplicationName;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.config.provision.RegionName;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.config.server.GlobalComponentRegistry;
import com.yahoo.vespa.config.server.ServerCache;
import com.yahoo.vespa.config.server.TestComponentRegistry;
import com.yahoo.vespa.config.server.application.Application;
import com.yahoo.vespa.config.server.application.ApplicationSet;
import com.yahoo.vespa.config.server.application.TenantApplications;
import com.yahoo.vespa.config.server.application.TenantApplicationsTest;
import com.yahoo.vespa.config.server.monitoring.MetricUpdater;
import com.yahoo.vespa.curator.Curator;
import com.yahoo.vespa.curator.mock.MockCurator;
import com.yahoo.vespa.model.VespaModel;
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.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 TestComponentRegistry globalComponentRegistry;
private TenantApplicationsTest.MockReloadListener listener;
private MockTenantListener tenantListener;
private Curator curator;
@Rule
public ExpectedException expectedException = ExpectedException.none();
@Rule
public TemporaryFolder temporaryFolder = new TemporaryFolder();
@Before
public void setupSessions() {
curator = new MockCurator();
globalComponentRegistry = new TestComponentRegistry.Builder().curator(curator).build();
listener = (TenantApplicationsTest.MockReloadListener)globalComponentRegistry.getReloadListener();
tenantListener = (MockTenantListener)globalComponentRegistry.getTenantListener();
assertFalse(tenantListener.tenantsLoaded);
tenantRepository = new TenantRepository(globalComponentRegistry);
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);
applicationRepo.createPutTransaction(id, 4).commit();
applicationRepo.activateApplication(ApplicationSet.fromSingle(new Application(new VespaModel(MockApplicationPackage.createEmpty()),
new ServerCache(),
4L,
false,
new Version(1, 2, 3),
MetricUpdater.createTestUpdater(),
id)),
4);
assertEquals(1, listener.reloaded.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() throws IOException {
tenantRepository.close(); // stop using the one setup in Before method
// Should get exception if config is true
expectedException.expect(RuntimeException.class);
expectedException.expectMessage("Could not create all tenants when bootstrapping, failed to create: [default]");
new FailingDuringBootstrapTenantRepository(createComponentRegistry());
}
private List<String> readZKChildren(String path) throws Exception {
return curator.framework().getChildren().forPath(path);
}
private void assertZooKeeperTenantPathExists(TenantName tenantName) throws Exception {
assertNotNull(globalComponentRegistry.getCurator().framework()
.checkExists().forPath(TenantRepository.getTenantPath(tenantName).getAbsolute()));
}
private GlobalComponentRegistry createComponentRegistry() throws IOException {
return new TestComponentRegistry.Builder()
.curator(new MockCurator())
.configServerConfig(new ConfigserverConfig(new ConfigserverConfig.Builder()
.configDefinitionsDir(temporaryFolder.newFolder("configdefs").getAbsolutePath())
.configServerDBDir(temporaryFolder.newFolder("configserverdb").getAbsolutePath())))
.zone(new Zone(SystemName.cd, Environment.prod, RegionName.from("foo")))
.build();
}
private static class FailingDuringBootstrapTenantRepository extends TenantRepository {
public FailingDuringBootstrapTenantRepository(GlobalComponentRegistry globalComponentRegistry) {
super(globalComponentRegistry);
}
@Override
public void bootstrapTenant(TenantName tenantName) {
throw new RuntimeException("Failed to create: " + tenantName);
}
}
}
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