Examples with GraphDatabaseAPI org.neo4j.kernel.internal.GraphDatabaseAPI used on opensource projects

Example 41 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class BackupServiceIT method shouldFallbackToFullBackupIfIncrementalFailsAndExplicitlyAskedToDoThis.

@Test
public void shouldFallbackToFullBackupIfIncrementalFailsAndExplicitlyAskedToDoThis() throws Exception {
    // Given
    defaultBackupPortHostParams();
    Config defaultConfig = dbRule.getConfigCopy();
    dbRule.setConfig(GraphDatabaseSettings.keep_logical_logs, "false");
    // have logs rotated on every transaction
    GraphDatabaseAPI db = dbRule.getGraphDatabaseAPI();
    BackupService backupService = backupService();
    createAndIndexNode(db, 1);
    // A full backup
    backupService.doFullBackup(BACKUP_HOST, backupPort, backupDir.getAbsoluteFile(), ConsistencyCheck.NONE, defaultConfig, BackupClient.BIG_READ_TIMEOUT, false);
    // And the log the backup uses is rotated out
    createAndIndexNode(db, 2);
    rotateAndCheckPoint(db);
    createAndIndexNode(db, 3);
    rotateAndCheckPoint(db);
    createAndIndexNode(db, 4);
    rotateAndCheckPoint(db);
    // when
    backupService.doIncrementalBackupOrFallbackToFull(BACKUP_HOST, backupPort, backupDir.getAbsoluteFile(), ConsistencyCheck.NONE, defaultConfig, BackupClient.BIG_READ_TIMEOUT, false);
    // Then
    db.shutdown();
    assertEquals(getDbRepresentation(), getBackupDbRepresentation());
}

Example 42 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class BackupServiceIT method shouldGiveHelpfulErrorMessageIfLogsPrunedPastThePointOfNoReturn.

@Test
public void shouldGiveHelpfulErrorMessageIfLogsPrunedPastThePointOfNoReturn() throws Exception {
    // Given
    defaultBackupPortHostParams();
    Config defaultConfig = dbRule.getConfigCopy();
    dbRule.setConfig(GraphDatabaseSettings.keep_logical_logs, "false");
    // have logs rotated on every transaction
    GraphDatabaseAPI db = dbRule.getGraphDatabaseAPI();
    BackupService backupService = backupService();
    createAndIndexNode(db, 1);
    rotateAndCheckPoint(db);
    // A full backup
    backupService.doFullBackup(BACKUP_HOST, backupPort, backupDir.getAbsoluteFile(), ConsistencyCheck.NONE, defaultConfig, BackupClient.BIG_READ_TIMEOUT, false);
    // And the log the backup uses is rotated out
    createAndIndexNode(db, 2);
    rotateAndCheckPoint(db);
    createAndIndexNode(db, 3);
    rotateAndCheckPoint(db);
    createAndIndexNode(db, 4);
    rotateAndCheckPoint(db);
    createAndIndexNode(db, 5);
    rotateAndCheckPoint(db);
    // when
    try {
        backupService.doIncrementalBackup(BACKUP_HOST, backupPort, backupDir.getAbsoluteFile(), BackupClient.BIG_READ_TIMEOUT, defaultConfig);
        fail("Should have thrown exception.");
    }// Then
     catch (IncrementalBackupNotPossibleException e) {
        assertThat(e.getMessage(), equalTo(BackupService.TOO_OLD_BACKUP));
    }
}

Example 43 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class BackupServiceIT method shouldThrowExceptionWhenDoingFullBackupWhenDirectoryHasSomeFiles.

@Test
public void shouldThrowExceptionWhenDoingFullBackupWhenDirectoryHasSomeFiles() throws Exception {
    // given
    defaultBackupPortHostParams();
    GraphDatabaseAPI db = dbRule.getGraphDatabaseAPI();
    createAndIndexNode(db, 1);
    // Touch a random file
    assertTrue(new File(backupDir, ".jibberishfile").createNewFile());
    try {
        // when
        backupService().doFullBackup(BACKUP_HOST, backupPort, backupDir.getAbsoluteFile(), ConsistencyCheck.FULL, dbRule.getConfigCopy(), BackupClient.BIG_READ_TIMEOUT, false);
        fail("Should have thrown an exception");
    } catch (RuntimeException ex) {
        // then
        assertThat(ex.getMessage(), containsString("is not empty"));
    } finally {
        db.shutdown();
    }
}

Example 44 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class BackupServiceIT method shouldBeAbleToBackupEvenIfTransactionLogsAreIncomplete.

@Test
public void shouldBeAbleToBackupEvenIfTransactionLogsAreIncomplete() throws Throwable {
    /*
        * This test deletes the old persisted log file and expects backup to still be functional. It
        * should not be assumed that the log files have any particular length of history. They could
        * for example have been mangled during backups or removed during pruning.
        */
    // given
    defaultBackupPortHostParams();
    GraphDatabaseAPI db = dbRule.getGraphDatabaseAPI();
    for (int i = 0; i < 100; i++) {
        createAndIndexNode(db, i);
    }
    final File oldLog = db.getDependencyResolver().resolveDependency(LogFile.class).currentLogFile();
    rotateAndCheckPoint(db);
    for (int i = 0; i < 1; i++) {
        createAndIndexNode(db, i);
    }
    rotateAndCheckPoint(db);
    long lastCommittedTxBefore = db.getDependencyResolver().resolveDependency(TransactionIdStore.class).getLastCommittedTransactionId();
    db = dbRule.restartDatabase((fs, storeDirectory) -> FileUtils.deleteFile(oldLog));
    long lastCommittedTxAfter = db.getDependencyResolver().resolveDependency(TransactionIdStore.class).getLastCommittedTransactionId();
    // when
    BackupService backupService = backupService();
    BackupService.BackupOutcome outcome = backupService.doFullBackup(BACKUP_HOST, backupPort, backupDir.getAbsoluteFile(), ConsistencyCheck.FULL, dbRule.getConfigCopy(), BackupClient.BIG_READ_TIMEOUT, false);
    db.shutdown();
    // then
    assertEquals(lastCommittedTxBefore, lastCommittedTxAfter);
    assertTrue(outcome.isConsistent());
    assertEquals(getDbRepresentation(), getBackupDbRepresentation());
}

Example 45 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class BackupServiceIT method shouldThrowUsefulMessageWhenCannotConnectDuringIncrementalBackup.

@Test
public void shouldThrowUsefulMessageWhenCannotConnectDuringIncrementalBackup() throws Exception {
    defaultBackupPortHostParams();
    GraphDatabaseAPI db = dbRule.getGraphDatabaseAPI();
    BackupService backupService = backupService();
    createAndIndexNode(db, 1);
    // A full backup
    backupService.doFullBackup(BACKUP_HOST, backupPort, backupDir, ConsistencyCheck.NONE, dbRule.getConfigCopy(), BackupClient.BIG_READ_TIMEOUT, false);
    try {
        backupService().doIncrementalBackupOrFallbackToFull(BACKUP_HOST, 56789, backupDir, ConsistencyCheck.NONE, dbRule.getConfigCopy(), BackupClient.BIG_READ_TIMEOUT, false);
        fail("No exception thrown");
    } catch (RuntimeException e) {
        assertThat(e.getMessage(), containsString("BackupClient could not connect"));
        assertThat(e.getCause(), instanceOf(ConnectException.class));
    }
}