Package org.apache.hadoop.hbase.master

Examples of org.apache.hadoop.hbase.master.MasterServices

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  @BeforeClass
  public static void beforeAllTests() throws Exception {
    Configuration conf = HBaseConfiguration.create();
    loadBalancer = new MockBalancer();
    loadBalancer.setConf(conf);
    MasterServices st = Mockito.mock(MasterServices.class);
    Mockito.when(st.getServerName()).thenReturn(master);
    loadBalancer.setMasterServices(st);

    // Set up the rack topologies (5 machines per rack)
    rackManager = Mockito.mock(RackManager.class);
    for (int i = 0; i < NUM_SERVERS; i++) {
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  /********************************* Master related hooks **********************************/

  @Override
  public void postStartMaster(ObserverContext<MasterCoprocessorEnvironment> ctx) throws IOException {
    // Need to create the new system table for labels here
    MasterServices master = ctx.getEnvironment().getMasterServices();
    if (!MetaReader.tableExists(master.getCatalogTracker(), LABELS_TABLE_NAME)) {
      HTableDescriptor labelsTable = new HTableDescriptor(LABELS_TABLE_NAME);
      HColumnDescriptor labelsColumn = new HColumnDescriptor(LABELS_TABLE_FAMILY);
      labelsColumn.setBloomFilterType(BloomType.NONE);
      labelsColumn.setBlockCacheEnabled(false); // We will cache all the labels. No need of normal
                                                 // table block cache.
      labelsTable.addFamily(labelsColumn);
      // Let the "labels" table having only one region always. We are not expecting too many labels in
      // the system.
      labelsTable.setValue(HTableDescriptor.SPLIT_POLICY,
          DisabledRegionSplitPolicy.class.getName());
      labelsTable.setValue(Bytes.toBytes(HConstants.DISALLOW_WRITES_IN_RECOVERING),
          Bytes.toBytes(true));
      master.createTable(labelsTable, null);
    }
  }
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      requireGlobalPermission("getTableDescriptors", Action.ADMIN, null, null);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (TableName tableName: tableNamesList) {
        // Do not deny if the table does not exist
        try {
          masterServices.checkTableModifiable(tableName);
        } catch (TableNotFoundException ex) {
          // Skip checks for a table that does not exist
          continue;
        } catch (TableNotDisabledException ex) {
          // We don't care about this
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      requireGlobalPermission("getTableDescriptors", Action.ADMIN, null, null);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (TableName tableName: tableNamesList) {
        // Skip checks for a table that does not exist
        if (!masterServices.getTableStateManager().isTablePresent(tableName))
          continue;
        requirePermission("getTableDescriptors", tableName, null, null,
          Action.ADMIN, Action.CREATE);
      }
    }
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  /********************************* Master related hooks **********************************/

  @Override
  public void postStartMaster(ObserverContext<MasterCoprocessorEnvironment> ctx) throws IOException {
    // Need to create the new system table for labels here
    MasterServices master = ctx.getEnvironment().getMasterServices();
    if (!MetaTableAccessor.tableExists(master.getShortCircuitConnection(), LABELS_TABLE_NAME)) {
      HTableDescriptor labelsTable = new HTableDescriptor(LABELS_TABLE_NAME);
      HColumnDescriptor labelsColumn = new HColumnDescriptor(LABELS_TABLE_FAMILY);
      labelsColumn.setBloomFilterType(BloomType.NONE);
      labelsColumn.setBlockCacheEnabled(false); // We will cache all the labels. No need of normal
                                                 // table block cache.
      labelsTable.addFamily(labelsColumn);
      // Let the "labels" table having only one region always. We are not expecting too many labels in
      // the system.
      labelsTable.setValue(HTableDescriptor.SPLIT_POLICY,
          DisabledRegionSplitPolicy.class.getName());
      labelsTable.setValue(Bytes.toBytes(HConstants.DISALLOW_WRITES_IN_RECOVERING),
          Bytes.toBytes(true));
      master.createTable(labelsTable, null);
    }
  }
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   * @param htd
   * @throws IOException
   */
  private void modifyTable(final byte [] tableName, final HTableDescriptor htd)
  throws IOException {
    MasterServices services = TEST_UTIL.getMiniHBaseCluster().getMaster();
    ExecutorService executor = services.getExecutorService();
    AtomicBoolean done = new AtomicBoolean(false);
    executor.registerListener(EventType.C_M_MODIFY_TABLE, new DoneListener(done));
    this.admin.modifyTable(tableName, htd);
    while (!done.get()) {
      synchronized (done) {
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      requireGlobalPermission("getTableDescriptors", Permission.Action.ADMIN, null, null);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (TableName tableName: tableNamesList) {
        // Do not deny if the table does not exist
        try {
          masterServices.checkTableModifiable(tableName);
        } catch (TableNotFoundException ex) {
          // Skip checks for a table that does not exist
          continue;
        } catch (TableNotDisabledException ex) {
          // We don't care about this
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  /********************************* Master related hooks **********************************/

  @Override
  public void postStartMaster(ObserverContext<MasterCoprocessorEnvironment> ctx) throws IOException {
    // Need to create the new system table for labels here
    MasterServices master = ctx.getEnvironment().getMasterServices();
    if (!MetaReader.tableExists(master.getCatalogTracker(), LABELS_TABLE_NAME)) {
      HTableDescriptor labelsTable = new HTableDescriptor(LABELS_TABLE_NAME);
      HColumnDescriptor labelsColumn = new HColumnDescriptor(LABELS_TABLE_FAMILY);
      labelsColumn.setBloomFilterType(BloomType.NONE);
      labelsColumn.setBlockCacheEnabled(false); // We will cache all the labels. No need of normal
                                                 // table block cache.
      labelsTable.addFamily(labelsColumn);
      // Let the "labels" table having only one region always. We are not expecting too many labels in
      // the system.
      labelsTable.setValue(HTableDescriptor.SPLIT_POLICY,
          DisabledRegionSplitPolicy.class.getName());
      labelsTable.setValue(Bytes.toBytes(HConstants.DISALLOW_WRITES_IN_RECOVERING),
          Bytes.toBytes(true));
      master.createTable(labelsTable, null);
    }
  }
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   * @param htd
   * @throws IOException
   */
  private void modifyTable(final byte [] tableName, final HTableDescriptor htd)
  throws IOException {
    MasterServices services = TEST_UTIL.getMiniHBaseCluster().getMaster();
    ExecutorService executor = services.getExecutorService();
    AtomicBoolean done = new AtomicBoolean(false);
    executor.registerListener(EventType.C_M_MODIFY_TABLE, new DoneListener(done));
    this.admin.modifyTable(tableName, htd);
    while (!done.get()) {
      synchronized (done) {
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  /********************************* Master related hooks **********************************/

  @Override
  public void postStartMaster(ObserverContext<MasterCoprocessorEnvironment> ctx) throws IOException {
    // Need to create the new system table for labels here
    MasterServices master = ctx.getEnvironment().getMasterServices();
    if (!MetaReader.tableExists(master.getCatalogTracker(), LABELS_TABLE_NAME)) {
      HTableDescriptor labelsTable = new HTableDescriptor(LABELS_TABLE_NAME);
      HColumnDescriptor labelsColumn = new HColumnDescriptor(LABELS_TABLE_FAMILY);
      labelsColumn.setBloomFilterType(BloomType.NONE);
      labelsColumn.setBlockCacheEnabled(false); // We will cache all the labels. No need of normal
                                                 // table block cache.
      labelsTable.addFamily(labelsColumn);
      // Let the "labels" table having only one region always. We are not expecting too many labels in
      // the system.
      labelsTable.setValue(HTableDescriptor.SPLIT_POLICY,
          DisabledRegionSplitPolicy.class.getName());
      labelsTable.setValue(Bytes.toBytes(HConstants.DISALLOW_WRITES_IN_RECOVERING),
          Bytes.toBytes(true));
      master.createTable(labelsTable, null);
    }
  }
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Related Classes of org.apache.hadoop.hbase.master.MasterServices

  • coprocessor.MasterObserverExample
  • org.apache.hadoop.hbase.client.TestAdmin
  • org.apache.hadoop.hbase.index.coprocessor.master.IndexMasterObserver
  • org.apache.hadoop.hbase.master.balancer.TestBaseLoadBalancer
  • org.apache.hadoop.hbase.security.access.AccessController
  • org.apache.hadoop.hbase.security.visibility.VisibilityController
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