Examples with DatastoreSnapshotList org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshotList used on opensource projects

Example 1 with DatastoreSnapshotList

use of org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshotList in project controller by opendaylight.

the class DatastoreSnapshotRestore method initialize.

// synchronize this method so that, in case of concurrent access to getAndRemove(),
// no one ends up with partially initialized data
@SuppressWarnings("checkstyle:IllegalCatch")
private synchronized void initialize() {
    File restoreDirectoryFile = new File(restoreDirectoryPath);
    String[] files = restoreDirectoryFile.list();
    if (files == null || files.length == 0) {
        LOG.debug("Restore directory {} does not exist or is empty", restoreDirectoryFile);
        return;
    }
    if (files.length > 1) {
        LOG.error("Found {} files in clustered datastore restore directory {} - expected 1. No restore will be attempted", files.length, restoreDirectoryFile);
        return;
    }
    File restoreFile = new File(restoreDirectoryFile, files[0]);
    LOG.info("Clustered datastore will be restored from file {}", restoreFile);
    try (FileInputStream fis = new FileInputStream(restoreFile)) {
        DatastoreSnapshotList snapshots = deserialize(fis);
        LOG.debug("Deserialized {} snapshots", snapshots.size());
        for (DatastoreSnapshot snapshot : snapshots) {
            datastoreSnapshots.put(snapshot.getType(), snapshot);
        }
    } catch (ClassNotFoundException | IOException e) {
        LOG.error("Error reading clustered datastore restore file {}", restoreFile, e);
    } finally {
        if (!restoreFile.delete()) {
            LOG.error("Could not delete clustered datastore restore file {}", restoreFile);
        }
    }
}

Example 2 with DatastoreSnapshotList

use of org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshotList in project controller by opendaylight.

the class DatastoreSnapshotRestoreTest method test.

@Test
public void test() throws Exception {
    assertTrue("Failed to mkdir " + restoreDirectoryPath, restoreDirectoryFile.mkdirs());
    final DatastoreSnapshot configSnapshot = new DatastoreSnapshot("config", newShardManagerSnapshot("config-one", "config-two"), Arrays.asList(new DatastoreSnapshot.ShardSnapshot("config-one", newSnapshot(CarsModel.BASE_PATH, CarsModel.newCarsNode(CarsModel.newCarsMapNode(CarsModel.newCarEntry("optima", BigInteger.valueOf(20000L)), CarsModel.newCarEntry("sportage", BigInteger.valueOf(30000L)))))), new DatastoreSnapshot.ShardSnapshot("config-two", newSnapshot(PeopleModel.BASE_PATH, PeopleModel.emptyContainer()))));
    DatastoreSnapshot operSnapshot = new DatastoreSnapshot("oper", null, Arrays.asList(new DatastoreSnapshot.ShardSnapshot("oper-one", newSnapshot(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME)))));
    DatastoreSnapshotList snapshotList = new DatastoreSnapshotList(Arrays.asList(configSnapshot, operSnapshot));
    try (FileOutputStream fos = new FileOutputStream(backupFile)) {
        SerializationUtils.serialize(snapshotList, fos);
    }
    DatastoreSnapshotRestore instance = DatastoreSnapshotRestore.instance(restoreDirectoryPath);
    assertDatastoreSnapshotEquals(configSnapshot, instance.getAndRemove("config"));
    assertDatastoreSnapshotEquals(operSnapshot, instance.getAndRemove("oper"));
    assertNull("DatastoreSnapshot was not removed", instance.getAndRemove("config"));
    assertFalse(backupFile + " was not deleted", backupFile.exists());
    instance = DatastoreSnapshotRestore.instance(restoreDirectoryPath);
    assertNull("Expected null DatastoreSnapshot", instance.getAndRemove("config"));
    assertNull("Expected null DatastoreSnapshot", instance.getAndRemove("oper"));
}