Examples with UpgradableDatabase org.neo4j.kernel.impl.storemigration.UpgradableDatabase used on opensource projects

Example 6 with UpgradableDatabase

use of org.neo4j.kernel.impl.storemigration.UpgradableDatabase in project neo4j by neo4j.

the class StoreUpgraderTest method shouldHaltUpgradeIfUpgradeConfigurationVetoesTheProcess.

@Test
public void shouldHaltUpgradeIfUpgradeConfigurationVetoesTheProcess() throws IOException {
    PageCache pageCache = pageCacheRule.getPageCache(fileSystem);
    Config deniedMigrationConfig = Config.embeddedDefaults(MapUtil.stringMap(GraphDatabaseSettings.allow_store_upgrade.name(), "false"));
    UpgradableDatabase upgradableDatabase = new UpgradableDatabase(fileSystem, new StoreVersionCheck(pageCache), new LegacyStoreVersionCheck(fileSystem), getRecordFormats());
    try {
        newUpgrader(upgradableDatabase, deniedMigrationConfig, pageCache).migrateIfNeeded(dbDirectory);
        fail("Should throw exception");
    } catch (UpgradeNotAllowedByConfigurationException e) {
    // expected
    }
}

Example 7 with UpgradableDatabase

use of org.neo4j.kernel.impl.storemigration.UpgradableDatabase in project neo4j by neo4j.

the class StoreMigratorFrom20IT method setUp.

@Before
public void setUp() {
    fs = fileSystemRule.get();
    pageCache = pageCacheRule.getPageCache(fs);
    File storeDirectory = storeDir.directory();
    schemaIndexProvider = new LuceneSchemaIndexProvider(fs, DirectoryFactory.PERSISTENT, storeDirectory, NullLogProvider.getInstance(), Config.empty(), OperationalMode.single);
    labelScanStoreProvider = NeoStoreDataSourceRule.nativeLabelScanStoreProvider(storeDirectory, fs, pageCache);
    upgradableDatabase = new UpgradableDatabase(fs, new StoreVersionCheck(pageCache), new LegacyStoreVersionCheck(fs), recordFormat);
}

Example 8 with UpgradableDatabase

use of org.neo4j.kernel.impl.storemigration.UpgradableDatabase in project neo4j by neo4j.

the class StoreUpgraderTest method shouldRefuseToUpgradeIfAnyOfTheStoresWereNotShutDownCleanly.

@Test
public void shouldRefuseToUpgradeIfAnyOfTheStoresWereNotShutDownCleanly() throws IOException {
    File comparisonDirectory = new File("target/" + StoreUpgraderTest.class.getSimpleName() + "shouldRefuseToUpgradeIfAnyOfTheStoresWereNotShutDownCleanly-comparison");
    makeDbNotCleanlyShutdown(false);
    fileSystem.deleteRecursively(comparisonDirectory);
    fileSystem.copyRecursively(dbDirectory, comparisonDirectory);
    PageCache pageCache = pageCacheRule.getPageCache(fileSystem);
    UpgradableDatabase upgradableDatabase = new UpgradableDatabase(fileSystem, new StoreVersionCheck(pageCache), new LegacyStoreVersionCheck(fileSystem), getRecordFormats());
    try {
        newUpgrader(upgradableDatabase, pageCache).migrateIfNeeded(dbDirectory);
        fail("Should throw exception");
    } catch (StoreUpgrader.UnableToUpgradeException e) {
    // expected
    }
    verifyFilesHaveSameContent(fileSystem, comparisonDirectory, dbDirectory);
}

Example 9 with UpgradableDatabase

use of org.neo4j.kernel.impl.storemigration.UpgradableDatabase in project neo4j by neo4j.

the class StoreUpgraderTest method upgraderShouldCleanupLegacyLeftoverAndMigrationDirs.

@Test
public void upgraderShouldCleanupLegacyLeftoverAndMigrationDirs() throws Exception {
    // Given
    fileSystem.deleteFile(new File(dbDirectory, StoreLogService.INTERNAL_LOG_NAME));
    fileSystem.mkdir(new File(dbDirectory, StoreUpgrader.MIGRATION_DIRECTORY));
    fileSystem.mkdir(new File(dbDirectory, StoreUpgrader.MIGRATION_LEFT_OVERS_DIRECTORY));
    fileSystem.mkdir(new File(dbDirectory, StoreUpgrader.MIGRATION_LEFT_OVERS_DIRECTORY + "_1"));
    fileSystem.mkdir(new File(dbDirectory, StoreUpgrader.MIGRATION_LEFT_OVERS_DIRECTORY + "_2"));
    fileSystem.mkdir(new File(dbDirectory, StoreUpgrader.MIGRATION_LEFT_OVERS_DIRECTORY + "_42"));
    PageCache pageCache = pageCacheRule.getPageCache(fileSystem);
    // When
    UpgradableDatabase upgradableDatabase = new UpgradableDatabase(fileSystem, new StoreVersionCheck(pageCache), new LegacyStoreVersionCheck(fileSystem), getRecordFormats());
    StoreUpgrader storeUpgrader = newUpgrader(upgradableDatabase, pageCache);
    storeUpgrader.migrateIfNeeded(dbDirectory);
    // Then
    assertThat(migrationHelperDirs(), is(emptyCollectionOf(File.class)));
}

Example 10 with UpgradableDatabase

use of org.neo4j.kernel.impl.storemigration.UpgradableDatabase in project neo4j by neo4j.

the class StoreUpgraderTest method shouldContinueMovingFilesIfUpgradeCancelledWhileMoving.

@Test
public void shouldContinueMovingFilesIfUpgradeCancelledWhileMoving() throws Exception {
    PageCache pageCache = pageCacheRule.getPageCache(fileSystem);
    UpgradableDatabase upgradableDatabase = new UpgradableDatabase(fileSystem, new StoreVersionCheck(pageCache), new LegacyStoreVersionCheck(fileSystem), getRecordFormats());
    String versionToMigrateTo = upgradableDatabase.currentVersion();
    String versionToMigrateFrom = upgradableDatabase.checkUpgradeable(dbDirectory).storeVersion();
    // GIVEN
    {
        StoreUpgrader upgrader = newUpgrader(upgradableDatabase, allowMigrateConfig, pageCache);
        String failureMessage = "Just failing";
        upgrader.addParticipant(participantThatWillFailWhenMoving(failureMessage));
        // WHEN
        try {
            upgrader.migrateIfNeeded(dbDirectory);
            fail("should have thrown");
        } catch (UnableToUpgradeException e) {
            // THEN
            assertTrue(e.getCause() instanceof IOException);
            assertEquals(failureMessage, e.getCause().getMessage());
        }
    }
    // AND WHEN
    {
        StoreUpgrader upgrader = newUpgrader(upgradableDatabase, pageCache);
        StoreMigrationParticipant observingParticipant = Mockito.mock(StoreMigrationParticipant.class);
        upgrader.addParticipant(observingParticipant);
        upgrader.migrateIfNeeded(dbDirectory);
        // THEN
        verify(observingParticipant, Mockito.times(0)).migrate(any(File.class), any(File.class), any(MigrationProgressMonitor.Section.class), eq(versionToMigrateFrom), eq(versionToMigrateTo));
        verify(observingParticipant, Mockito.times(1)).moveMigratedFiles(any(File.class), any(File.class), eq(versionToMigrateFrom), eq(versionToMigrateTo));
        verify(observingParticipant, Mockito.times(1)).cleanup(any(File.class));
    }
}