Examples with HBaseDDLExecutor io.cdap.cdap.spi.hbase.HBaseDDLExecutor used on opensource projects

Example 6 with HBaseDDLExecutor

use of io.cdap.cdap.spi.hbase.HBaseDDLExecutor in project cdap by caskdata.

the class HBaseTableFactory method upgradeCoProcessor.

private void upgradeCoProcessor(TableId tableId, Class<? extends Coprocessor> coprocessor) throws IOException {
    try (HBaseDDLExecutor ddlExecutor = ddlExecutorFactory.get()) {
        HTableDescriptor tableDescriptor;
        try (HBaseAdmin admin = new HBaseAdmin(hConf)) {
            // If table doesn't exist, then skip upgrading coprocessor
            if (!tableUtil.tableExists(admin, tableId)) {
                LOG.debug("TMS Table {} was not found. Skip upgrading coprocessor.", tableId);
                return;
            }
            tableDescriptor = tableUtil.getHTableDescriptor(admin, tableId);
        }
        // Get cdap version from the table
        ProjectInfo.Version version = HBaseTableUtil.getVersion(tableDescriptor);
        String hbaseVersion = HBaseTableUtil.getHBaseVersion(tableDescriptor);
        if (hbaseVersion != null && hbaseVersion.equals(HBaseVersion.getVersionString()) && version.compareTo(ProjectInfo.getVersion()) >= 0) {
            // If cdap has version has not changed or is greater, no need to update. Just enable it, in case
            // it has been disabled by the upgrade tool, and return
            LOG.info("Table '{}' has not changed and its version '{}' is same or greater than current CDAP version '{}'." + " The underlying HBase version {} has also not changed.", tableId, version, ProjectInfo.getVersion(), hbaseVersion);
            enableTable(ddlExecutor, tableId);
            return;
        }
        // create a new descriptor for the table update
        HTableDescriptorBuilder newDescriptor = tableUtil.buildHTableDescriptor(tableDescriptor);
        // Remove old coprocessor
        Map<String, HBaseTableUtil.CoprocessorInfo> coprocessorInfo = HBaseTableUtil.getCoprocessorInfo(tableDescriptor);
        for (Map.Entry<String, HBaseTableUtil.CoprocessorInfo> coprocessorEntry : coprocessorInfo.entrySet()) {
            newDescriptor.removeCoprocessor(coprocessorEntry.getValue().getClassName());
        }
        // Add new coprocessor
        CoprocessorDescriptor coprocessorDescriptor = coprocessorManager.getCoprocessorDescriptor(coprocessor, Coprocessor.PRIORITY_USER);
        Path path = coprocessorDescriptor.getPath() == null ? null : new Path(coprocessorDescriptor.getPath());
        newDescriptor.addCoprocessor(coprocessorDescriptor.getClassName(), path, coprocessorDescriptor.getPriority(), coprocessorDescriptor.getProperties());
        // Update CDAP version, table prefix
        HBaseTableUtil.setVersion(newDescriptor);
        HBaseTableUtil.setHBaseVersion(newDescriptor);
        HBaseTableUtil.setTablePrefix(newDescriptor, cConf);
        // Disable auto-splitting
        newDescriptor.setValue(HTableDescriptor.SPLIT_POLICY, cConf.get(Constants.MessagingSystem.TABLE_HBASE_SPLIT_POLICY));
        // Disable Table
        disableTable(ddlExecutor, tableId);
        tableUtil.modifyTable(ddlExecutor, newDescriptor.build());
        LOG.debug("Enabling table '{}'...", tableId);
        enableTable(ddlExecutor, tableId);
    }
    LOG.info("Table '{}' update completed.", tableId);
}

Example 7 with HBaseDDLExecutor

use of io.cdap.cdap.spi.hbase.HBaseDDLExecutor in project cdap by caskdata.

the class HBaseTableFactory method createTable.

/**
 * Creates a new instance of {@link Table} for the given {@link TableId}. If the hbase table doesn't
 * exist, a new one will be created with the given number of splits.
 */
private HTableWithRowKeyDistributor createTable(TableId tableId, int splits, Class<? extends Coprocessor> coprocessor) throws IOException {
    // Lookup the table descriptor from the cache first. If it is there, we assume the HBase table exists
    // Otherwise, attempt to create it.
    Table table = null;
    HTableDescriptor htd = tableDescriptors.get(tableId);
    if (htd == null) {
        synchronized (this) {
            htd = tableDescriptors.get(tableId);
            if (htd == null) {
                boolean tableExists;
                try (HBaseAdmin admin = new HBaseAdmin(hConf)) {
                    tableExists = tableUtil.tableExists(admin, tableId);
                }
                // Create the table if the table doesn't exist
                try (HBaseDDLExecutor ddlExecutor = ddlExecutorFactory.get()) {
                    // If table exists, then skip creating coprocessor etc
                    if (!tableExists) {
                        TableId metadataTableId = tableUtil.createHTableId(NamespaceId.SYSTEM, cConf.get(Constants.MessagingSystem.METADATA_TABLE_NAME));
                        ColumnFamilyDescriptorBuilder cfdBuilder = HBaseTableUtil.getColumnFamilyDescriptorBuilder(Bytes.toString(COLUMN_FAMILY), hConf);
                        TableDescriptorBuilder tdBuilder = HBaseTableUtil.getTableDescriptorBuilder(tableId, cConf).addColumnFamily(cfdBuilder.build()).addProperty(Constants.MessagingSystem.HBASE_MESSAGING_TABLE_PREFIX_NUM_BYTES, Integer.toString(1)).addProperty(Constants.MessagingSystem.KEY_DISTRIBUTOR_BUCKETS_ATTR, Integer.toString(splits)).addProperty(Constants.MessagingSystem.HBASE_METADATA_TABLE_NAMESPACE, metadataTableId.getNamespace()).addProperty(HTableDescriptor.SPLIT_POLICY, cConf.get(Constants.MessagingSystem.TABLE_HBASE_SPLIT_POLICY)).addCoprocessor(coprocessorManager.getCoprocessorDescriptor(coprocessor, Coprocessor.PRIORITY_USER));
                        // Set the key distributor size the same as the initial number of splits,
                        // essentially one bucket per split.
                        byte[][] splitKeys = HBaseTableUtil.getSplitKeys(splits, splits, new RowKeyDistributorByHashPrefix(new OneByteSimpleHash(splits)));
                        ddlExecutor.createTableIfNotExists(tdBuilder.build(), splitKeys);
                        table = tableUtil.createTable(hConf, tableId);
                        htd = table.getTableDescriptor();
                        tableDescriptors.put(tableId, htd);
                    } else {
                        table = tableUtil.createTable(hConf, tableId);
                        htd = table.getTableDescriptor();
                        tableDescriptors.put(tableId, htd);
                    }
                }
            }
        }
    }
    if (table == null) {
        table = tableUtil.createTable(hConf, tableId);
    }
    return new HTableWithRowKeyDistributor(table, new RowKeyDistributorByHashPrefix(new OneByteSimpleHash(getKeyDistributorBuckets(tableId, htd))));
}

Example 8 with HBaseDDLExecutor

use of io.cdap.cdap.spi.hbase.HBaseDDLExecutor in project cdap by caskdata.

the class DatasetUpgrader method upgradeUserTables.

private void upgradeUserTables(final ExecutorService executor) throws Exception {
    final Map<String, Future<?>> allFutures = new HashMap<>();
    final List<Closeable> toClose = new ArrayList<>();
    for (final NamespaceMeta namespaceMeta : namespaceQueryAdmin.list()) {
        impersonator.doAs(namespaceMeta.getNamespaceId(), new Callable<Void>() {

            @Override
            public Void call() throws Exception {
                HBaseDDLExecutor ddlExecutor = ddlExecutorFactory.get();
                // register it for close, after all Futures are complete
                toClose.add(ddlExecutor);
                Map<String, Future<?>> futures = upgradeUserTables(namespaceMeta, executor, ddlExecutor);
                allFutures.putAll(futures);
                return null;
            }
        });
    }
    // Wait for the user dataset upgrades to complete
    try {
        Map<String, Throwable> failed = waitForUpgrade(allFutures);
        if (!failed.isEmpty()) {
            for (Map.Entry<String, Throwable> entry : failed.entrySet()) {
                LOG.error("Failed to upgrade user table {}", entry.getKey(), entry.getValue());
            }
            throw new Exception(String.format("Error upgrading user tables. %s of %s failed", failed.size(), allFutures.size()));
        }
    } finally {
        for (Closeable closeable : toClose) {
            Closeables.closeQuietly(closeable);
        }
    }
}

Example 9 with HBaseDDLExecutor

use of io.cdap.cdap.spi.hbase.HBaseDDLExecutor in project cdap by cdapio.

the class AbstractHBaseDataSetAdmin method updateTable.

/**
 * Performs update on a given HBase table. It will be updated if either its spec has
 * changed since the HBase table was created or updated, or if the CDAP version recorded
 * in the HTable descriptor is less than the current CDAP version.
 *
 * @param force forces update regardless of whether the table needs it.
 * @throws IOException If update failed.
 */
public void updateTable(boolean force) throws IOException {
    try (HBaseDDLExecutor ddlExecutor = ddlExecutorFactory.get()) {
        HTableDescriptor tableDescriptor;
        HTableDescriptorBuilder newDescriptor;
        try (HBaseAdmin admin = new HBaseAdmin(hConf)) {
            tableDescriptor = tableUtil.getHTableDescriptor(admin, tableId);
            // create a new descriptor for the table update
            newDescriptor = tableUtil.buildHTableDescriptor(tableDescriptor);
        }
        // update any table properties if necessary
        boolean needUpdate = needsUpdate(tableDescriptor, newDescriptor) || force;
        // Get the cdap version from the table
        ProjectInfo.Version version = HBaseTableUtil.getVersion(tableDescriptor);
        String hbaseVersion = HBaseTableUtil.getHBaseVersion(tableDescriptor);
        if (!needUpdate && hbaseVersion != null && hbaseVersion.equals(HBaseVersion.getVersionString()) && version.compareTo(ProjectInfo.getVersion()) >= 0) {
            // If neither the table spec nor the cdap version have changed, no need to update
            LOG.info("Table '{}' has not changed and its version '{}' is same or greater " + "than current CDAP version '{}'. The underlying HBase version {} has also not changed.", tableId, version, ProjectInfo.getVersion(), hbaseVersion);
            return;
        }
        // Generate the coprocessor jar
        CoprocessorJar coprocessorJar = createCoprocessorJar();
        Location jarLocation = coprocessorJar.getJarLocation();
        // Check if coprocessor upgrade is needed
        Map<String, HBaseTableUtil.CoprocessorInfo> coprocessorInfo = HBaseTableUtil.getCoprocessorInfo(tableDescriptor);
        // For all required coprocessors, check if they've need to be upgraded.
        for (Class<? extends Coprocessor> coprocessor : coprocessorJar.getCoprocessors()) {
            HBaseTableUtil.CoprocessorInfo info = coprocessorInfo.get(coprocessor.getName());
            if (info != null) {
                // The same coprocessor has been configured, check by the file name to see if they are the same.
                if (!jarLocation.getName().equals(info.getPath().getName())) {
                    // Remove old one and add the new one.
                    newDescriptor.removeCoprocessor(info.getClassName());
                    addCoprocessor(newDescriptor, coprocessor, coprocessorJar.getPriority(coprocessor));
                }
            } else {
                // The coprocessor is missing from the table, add it.
                addCoprocessor(newDescriptor, coprocessor, coprocessorJar.getPriority(coprocessor));
            }
        }
        // Removes all old coprocessors
        Set<String> coprocessorNames = ImmutableSet.copyOf(Iterables.transform(coprocessorJar.coprocessors, CLASS_TO_NAME));
        for (String remove : Sets.difference(coprocessorInfo.keySet(), coprocessorNames)) {
            newDescriptor.removeCoprocessor(remove);
        }
        HBaseTableUtil.setVersion(newDescriptor);
        HBaseTableUtil.setHBaseVersion(newDescriptor);
        HBaseTableUtil.setTablePrefix(newDescriptor, cConf);
        LOG.info("Updating table '{}'...", tableId);
        TableName tableName = HTableNameConverter.toTableName(cConf.get(Constants.Dataset.TABLE_PREFIX), tableId);
        boolean enableTable = false;
        try {
            ddlExecutor.disableTableIfEnabled(tableName.getNamespaceAsString(), tableName.getQualifierAsString());
            enableTable = true;
        } catch (TableNotEnabledException e) {
            // If the table is in cdap_system namespace enable it regardless so that they can be used later. See CDAP-7324
            if (isSystemTable()) {
                enableTable = true;
            } else {
                LOG.debug("Table '{}' was not enabled before update and will not be enabled after update.", tableId);
            }
        }
        tableUtil.modifyTable(ddlExecutor, newDescriptor.build());
        if (enableTable) {
            LOG.debug("Enabling table '{}'...", tableId);
            ddlExecutor.enableTableIfDisabled(tableName.getNamespaceAsString(), tableName.getQualifierAsString());
        }
    }
    LOG.info("Table '{}' update completed.", tableId);
}

Example 10 with HBaseDDLExecutor

use of io.cdap.cdap.spi.hbase.HBaseDDLExecutor in project cdap by cdapio.

the class DatasetUpgrader method upgradeUserTables.

private void upgradeUserTables(final ExecutorService executor) throws Exception {
    final Map<String, Future<?>> allFutures = new HashMap<>();
    final List<Closeable> toClose = new ArrayList<>();
    for (final NamespaceMeta namespaceMeta : namespaceQueryAdmin.list()) {
        impersonator.doAs(namespaceMeta.getNamespaceId(), new Callable<Void>() {

            @Override
            public Void call() throws Exception {
                HBaseDDLExecutor ddlExecutor = ddlExecutorFactory.get();
                // register it for close, after all Futures are complete
                toClose.add(ddlExecutor);
                Map<String, Future<?>> futures = upgradeUserTables(namespaceMeta, executor, ddlExecutor);
                allFutures.putAll(futures);
                return null;
            }
        });
    }
    // Wait for the user dataset upgrades to complete
    try {
        Map<String, Throwable> failed = waitForUpgrade(allFutures);
        if (!failed.isEmpty()) {
            for (Map.Entry<String, Throwable> entry : failed.entrySet()) {
                LOG.error("Failed to upgrade user table {}", entry.getKey(), entry.getValue());
            }
            throw new Exception(String.format("Error upgrading user tables. %s of %s failed", failed.size(), allFutures.size()));
        }
    } finally {
        for (Closeable closeable : toClose) {
            Closeables.closeQuietly(closeable);
        }
    }
}