Java Code Examples for org.apache.hadoop.hbase.client.Admin#isTableEnabled()

The following examples show how to use org.apache.hadoop.hbase.client.Admin#isTableEnabled() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: HBaseConnection.java    From kylin-on-parquet-v2 with Apache License 2.0 6 votes vote down vote up 
public static void deleteTable(Connection conn, String tableName) throws IOException {
    Admin hbase = conn.getAdmin();

    try {
        if (!tableExists(conn, tableName)) {
            logger.debug("HTable '" + tableName + "' does not exists");
            return;
        }

        logger.debug("delete HTable '" + tableName + "'");

        if (hbase.isTableEnabled(TableName.valueOf(tableName))) {
            hbase.disableTable(TableName.valueOf(tableName));
        }
        hbase.deleteTable(TableName.valueOf(tableName));

        logger.debug("HTable '" + tableName + "' deleted");
    } finally {
        hbase.close();
    }
}
Example 2
Source File: HBaseConnection.java    From kylin with Apache License 2.0 6 votes vote down vote up 
public static void deleteTable(Connection conn, String tableName) throws IOException {
    Admin hbase = conn.getAdmin();

    try {
        if (!tableExists(conn, tableName)) {
            logger.debug("HTable '" + tableName + "' does not exists");
            return;
        }

        logger.debug("delete HTable '" + tableName + "'");

        if (hbase.isTableEnabled(TableName.valueOf(tableName))) {
            hbase.disableTable(TableName.valueOf(tableName));
        }
        hbase.deleteTable(TableName.valueOf(tableName));

        logger.debug("HTable '" + tableName + "' deleted");
    } finally {
        hbase.close();
    }
}
Example 3
Source File: TestSpaceQuotaBasicFunctioning.java    From hbase with Apache License 2.0 6 votes vote down vote up 
@Test
public void testNoEnableAfterDisablePolicy() throws Exception {
  Put p = new Put(Bytes.toBytes("to_reject"));
  p.addColumn(Bytes.toBytes(SpaceQuotaHelperForTests.F1), Bytes.toBytes("to"),
      Bytes.toBytes("reject"));
  final TableName tn = helper.writeUntilViolation(SpaceViolationPolicy.DISABLE);
  final Admin admin = TEST_UTIL.getAdmin();
  // Disabling a table relies on some external action (over the other policies), so wait a bit
  // more than the other tests.
  for (int i = 0; i < NUM_RETRIES * 2; i++) {
    if (admin.isTableEnabled(tn)) {
      LOG.info(tn + " is still enabled, expecting it to be disabled. Will wait and re-check.");
      Thread.sleep(2000);
    }
  }
  assertFalse(tn + " is still enabled but it should be disabled", admin.isTableEnabled(tn));
  try {
    admin.enableTable(tn);
  } catch (AccessDeniedException e) {
    String exceptionContents = StringUtils.stringifyException(e);
    final String expectedText = "violated space quota";
    assertTrue(
        "Expected the exception to contain " + expectedText + ", but was: " + exceptionContents,
        exceptionContents.contains(expectedText));
  }
}
Example 4
Source File: IndexUpgradeTool.java    From phoenix with Apache License 2.0 6 votes vote down vote up 
private void disableTable(Admin admin, String dataTable, HashSet<String>indexes)
        throws IOException {
    if (admin.isTableEnabled(TableName.valueOf(dataTable))) {
        if (!dryRun) {
            admin.disableTable(TableName.valueOf(dataTable));
        }
        LOGGER.info("Disabled data table " + dataTable);
    } else {
        LOGGER.info( "Data table " + dataTable + " is already disabled");
    }
    for (String indexName : indexes) {
        if (admin.isTableEnabled(TableName.valueOf(indexName))) {
            if (!dryRun) {
                admin.disableTable(TableName.valueOf(indexName));
            }
            LOGGER.info("Disabled index table " + indexName);
        } else {
            LOGGER.info( "Index table " + indexName + " is already disabled");
        }
    }
}
Example 5
Source File: IndexUpgradeTool.java    From phoenix with Apache License 2.0 6 votes vote down vote up 
private void enableTable(Admin admin, String dataTable, Set<String>indexes)
        throws IOException {
    if (!admin.isTableEnabled(TableName.valueOf(dataTable))) {
        if (!dryRun) {
            admin.enableTable(TableName.valueOf(dataTable));
        }
        LOGGER.info("Enabled data table " + dataTable);
    } else {
        LOGGER.info( "Data table " + dataTable + " is already enabled");
    }
    for (String indexName : indexes) {
        if(!admin.isTableEnabled(TableName.valueOf(indexName))) {
            if (!dryRun) {
                admin.enableTable(TableName.valueOf(indexName));
            }
            LOGGER.info("Enabled index table " + indexName);
        } else {
            LOGGER.info( "Index table " + indexName + " is already enabled");
        }
    }
}
Example 6
Source File: ITAclTableMigrationToolTest.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
private void dropTestHTables() throws IOException {
    Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
    Admin hbaseAdmin = new HBaseAdmin(conf);
    if (hbaseAdmin.tableExists(aclTable)) {
        if (hbaseAdmin.isTableEnabled(aclTable))
            hbaseAdmin.disableTable(aclTable);
        hbaseAdmin.deleteTable(aclTable);
    }
    if (hbaseAdmin.tableExists(userTable)) {
        if (hbaseAdmin.isTableEnabled(userTable))
            hbaseAdmin.disableTable(userTable);
        hbaseAdmin.deleteTable(userTable);
    }
    hbaseAdmin.close();
}
Example 7
Source File: ITAclTableMigrationToolTest.java    From kylin with Apache License 2.0 5 votes vote down vote up 
private void dropTestHTables() throws IOException {
    Configuration conf = HBaseConnection.getCurrentHBaseConfiguration();
    Admin hbaseAdmin = new HBaseAdmin(conf);
    if (hbaseAdmin.tableExists(aclTable)) {
        if (hbaseAdmin.isTableEnabled(aclTable))
            hbaseAdmin.disableTable(aclTable);
        hbaseAdmin.deleteTable(aclTable);
    }
    if (hbaseAdmin.tableExists(userTable)) {
        if (hbaseAdmin.isTableEnabled(userTable))
            hbaseAdmin.disableTable(userTable);
        hbaseAdmin.deleteTable(userTable);
    }
    hbaseAdmin.close();
}
Example 8
Source File: CanaryTool.java    From hbase with Apache License 2.0 5 votes vote down vote up 
/**
 * Canary entry point for specified table.
 * @throws Exception exception
 */
private static List<Future<Void>> sniff(final Admin admin, final Sink sink, String tableName,
    ExecutorService executor, TaskType taskType, boolean rawScanEnabled, LongAdder readLatency,
    boolean readAllCF) throws Exception {
  LOG.debug("Checking table is enabled and getting table descriptor for table {}", tableName);
  if (admin.isTableEnabled(TableName.valueOf(tableName))) {
    return CanaryTool.sniff(admin, sink, admin.getDescriptor(TableName.valueOf(tableName)),
      executor, taskType, rawScanEnabled, readLatency, readAllCF);
  } else {
    LOG.warn("Table {} is not enabled", tableName);
  }
  return new LinkedList<>();
}
Example 9
Source File: TestRegionObserverBypass.java    From hbase with Apache License 2.0 5 votes vote down vote up 
@Before
public void setUp() throws Exception {
  Admin admin = util.getAdmin();
  if (admin.tableExists(tableName)) {
    if (admin.isTableEnabled(tableName)) {
      admin.disableTable(tableName);
    }
    admin.deleteTable(tableName);
  }
  util.createTable(tableName, new byte[][] {dummy, test});
  TestCoprocessor.PREPUT_BYPASSES.set(0);
  TestCoprocessor.PREPUT_INVOCATIONS.set(0);
}
Example 10
Source File: HBaseOperations.java    From geowave with Apache License 2.0 5 votes vote down vote up 
private void enableTable(final Admin admin, final TableName tableName) throws IOException {
  admin.enableTableAsync(tableName);
  while (!admin.isTableEnabled(tableName)) {
    try {
      Thread.sleep(10);
    } catch (final InterruptedException e) {
      // Do nothing
    }
  }
}
Example 11
Source File: DeployCoprocessorCLI.java    From kylin-on-parquet-v2 with Apache License 2.0 4 votes vote down vote up 
public static boolean resetCoprocessor(String tableName, Admin hbaseAdmin, Path hdfsCoprocessorJar)
        throws IOException {
    KylinConfig kylinConfig = KylinConfig.getInstanceFromEnv();
    HTableDescriptor desc = hbaseAdmin.getTableDescriptor(TableName.valueOf(tableName));

    //when the table has migrated from dev env to test(prod) env, the dev server
    //should not reset the coprocessor of the table.
    String host = desc.getValue(IRealizationConstants.HTableTag);
    if (!host.equalsIgnoreCase(kylinConfig.getMetadataUrlPrefix())) {
        logger.warn("This server doesn't own this table: " + tableName);
        return false;
    }

    logger.info("reset coprocessor on " + tableName);

    logger.info("Disable " + tableName);
    if (hbaseAdmin.isTableEnabled(TableName.valueOf(tableName))) {
        hbaseAdmin.disableTable(TableName.valueOf(tableName));
    }

    while (desc.hasCoprocessor(CubeObserverClassOld2)) {
        desc.removeCoprocessor(CubeObserverClassOld2);
    }
    while (desc.hasCoprocessor(CubeEndpointClass)) {
        desc.removeCoprocessor(CubeEndpointClass);
    }
    while (desc.hasCoprocessor(IIEndpointClass)) {
        desc.removeCoprocessor(IIEndpointClass);
    }
    // remove legacy coprocessor from v1.x
    while (desc.hasCoprocessor(CubeObserverClassOld)) {
        desc.removeCoprocessor(CubeObserverClassOld);
    }
    while (desc.hasCoprocessor(IIEndpointClassOld)) {
        desc.removeCoprocessor(IIEndpointClassOld);
    }
    addCoprocessorOnHTable(desc, hdfsCoprocessorJar);

    // update commit tags
    String commitInfo = KylinVersion.getGitCommitInfo();
    if (!StringUtils.isEmpty(commitInfo)) {
        desc.setValue(IRealizationConstants.HTableGitTag, commitInfo);
    }

    hbaseAdmin.modifyTable(TableName.valueOf(tableName), desc);

    logger.info("Enable " + tableName);
    hbaseAdmin.enableTable(TableName.valueOf(tableName));

    return true;
}
Example 12
Source File: DeployCoprocessorCLI.java    From kylin with Apache License 2.0 4 votes vote down vote up 
public static boolean resetCoprocessor(String tableName, Admin hbaseAdmin, Path hdfsCoprocessorJar)
        throws IOException {
    KylinConfig kylinConfig = KylinConfig.getInstanceFromEnv();
    HTableDescriptor desc = hbaseAdmin.getTableDescriptor(TableName.valueOf(tableName));

    //when the table has migrated from dev env to test(prod) env, the dev server
    //should not reset the coprocessor of the table.
    String host = desc.getValue(IRealizationConstants.HTableTag);
    if (!host.equalsIgnoreCase(kylinConfig.getMetadataUrlPrefix())) {
        logger.warn("This server doesn't own this table: " + tableName);
        return false;
    }

    logger.info("reset coprocessor on " + tableName);

    logger.info("Disable " + tableName);
    if (hbaseAdmin.isTableEnabled(TableName.valueOf(tableName))) {
        hbaseAdmin.disableTable(TableName.valueOf(tableName));
    }

    while (desc.hasCoprocessor(CubeObserverClassOld2)) {
        desc.removeCoprocessor(CubeObserverClassOld2);
    }
    while (desc.hasCoprocessor(CubeEndpointClass)) {
        desc.removeCoprocessor(CubeEndpointClass);
    }
    while (desc.hasCoprocessor(IIEndpointClass)) {
        desc.removeCoprocessor(IIEndpointClass);
    }
    // remove legacy coprocessor from v1.x
    while (desc.hasCoprocessor(CubeObserverClassOld)) {
        desc.removeCoprocessor(CubeObserverClassOld);
    }
    while (desc.hasCoprocessor(IIEndpointClassOld)) {
        desc.removeCoprocessor(IIEndpointClassOld);
    }
    addCoprocessorOnHTable(desc, hdfsCoprocessorJar);

    // update commit tags
    String commitInfo = KylinVersion.getGitCommitInfo();
    if (!StringUtils.isEmpty(commitInfo)) {
        desc.setValue(IRealizationConstants.HTableGitTag, commitInfo);
    }

    hbaseAdmin.modifyTable(TableName.valueOf(tableName), desc);

    logger.info("Enable " + tableName);
    hbaseAdmin.enableTable(TableName.valueOf(tableName));

    return true;
}
Example 13
Source File: TestClassLoading.java    From hbase with Apache License 2.0 4 votes vote down vote up 
void loadingClassFromLibDirInJar(String libPrefix) throws Exception {
  FileSystem fs = cluster.getFileSystem();

  File innerJarFile1 = buildCoprocessorJar(cpName1);
  File innerJarFile2 = buildCoprocessorJar(cpName2);
  File outerJarFile = new File(TEST_UTIL.getDataTestDir().toString(), "outer.jar");

  ClassLoaderTestHelper.addJarFilesToJar(
    outerJarFile, libPrefix, innerJarFile1, innerJarFile2);

  // copy the jars into dfs
  fs.copyFromLocalFile(new Path(outerJarFile.getPath()),
    new Path(fs.getUri().toString() + Path.SEPARATOR));
  String jarFileOnHDFS = fs.getUri().toString() + Path.SEPARATOR +
    outerJarFile.getName();
  assertTrue("Copy jar file to HDFS failed.",
    fs.exists(new Path(jarFileOnHDFS)));
  LOG.info("Copied jar file to HDFS: " + jarFileOnHDFS);

  // create a table that references the coprocessors
  TableDescriptorBuilder tdb = TableDescriptorBuilder.newBuilder(tableName);
  tdb.setColumnFamily(ColumnFamilyDescriptorBuilder
    .newBuilder(Bytes.toBytes("test")).build());
    // without configuration values
  tdb.setValue("COPROCESSOR$1", jarFileOnHDFS + "|" + cpName1
    + "|" + Coprocessor.PRIORITY_USER);
    // with configuration values
  tdb.setValue("COPROCESSOR$2", jarFileOnHDFS + "|" + cpName2
    + "|" + Coprocessor.PRIORITY_USER + "|k1=v1,k2=v2,k3=v3");
  Admin admin = TEST_UTIL.getAdmin();
  if (admin.tableExists(tableName)) {
    if (admin.isTableEnabled(tableName)) {
      admin.disableTable(tableName);
    }
    admin.deleteTable(tableName);
  }

  TableDescriptor tableDescriptor = tdb.build();
  admin.createTable(tableDescriptor);
  waitForTable(tableDescriptor.getTableName());

  // verify that the coprocessors were loaded
  boolean found1 = false, found2 = false, found2_k1 = false,
      found2_k2 = false, found2_k3 = false;
  MiniHBaseCluster hbase = TEST_UTIL.getHBaseCluster();
  for (HRegion region: hbase.getRegionServer(0).getOnlineRegionsLocalContext()) {
    if (region.getRegionInfo().getRegionNameAsString().startsWith(tableName.getNameAsString())) {
      CoprocessorEnvironment env;
      env = region.getCoprocessorHost().findCoprocessorEnvironment(cpName1);
      if (env != null) {
        found1 = true;
      }
      env = region.getCoprocessorHost().findCoprocessorEnvironment(cpName2);
      if (env != null) {
        found2 = true;
        Configuration conf = env.getConfiguration();
        found2_k1 = conf.get("k1") != null;
        found2_k2 = conf.get("k2") != null;
        found2_k3 = conf.get("k3") != null;
      }
    }
  }
  assertTrue("Class " + cpName1 + " was missing on a region", found1);
  assertTrue("Class " + cpName2 + " was missing on a region", found2);
  assertTrue("Configuration key 'k1' was missing on a region", found2_k1);
  assertTrue("Configuration key 'k2' was missing on a region", found2_k2);
  assertTrue("Configuration key 'k3' was missing on a region", found2_k3);
}
Example 14
Source File: PerformanceEvaluation.java    From hbase with Apache License 2.0 4 votes vote down vote up 
static boolean checkTable(Admin admin, TestOptions opts) throws IOException {
  TableName tableName = TableName.valueOf(opts.tableName);
  boolean needsDelete = false, exists = admin.tableExists(tableName);
  boolean isReadCmd = opts.cmdName.toLowerCase(Locale.ROOT).contains("read")
    || opts.cmdName.toLowerCase(Locale.ROOT).contains("scan");
  if (!exists && isReadCmd) {
    throw new IllegalStateException(
      "Must specify an existing table for read commands. Run a write command first.");
  }
  TableDescriptor desc =
    exists ? admin.getDescriptor(TableName.valueOf(opts.tableName)) : null;
  byte[][] splits = getSplits(opts);

  // recreate the table when user has requested presplit or when existing
  // {RegionSplitPolicy,replica count} does not match requested, or when the
  // number of column families does not match requested.
  if ((exists && opts.presplitRegions != DEFAULT_OPTS.presplitRegions)
    || (!isReadCmd && desc != null &&
        !StringUtils.equals(desc.getRegionSplitPolicyClassName(), opts.splitPolicy))
    || (!isReadCmd && desc != null && desc.getRegionReplication() != opts.replicas)
    || (desc != null && desc.getColumnFamilyCount() != opts.families)) {
    needsDelete = true;
    // wait, why did it delete my table?!?
    LOG.debug(MoreObjects.toStringHelper("needsDelete")
      .add("needsDelete", needsDelete)
      .add("isReadCmd", isReadCmd)
      .add("exists", exists)
      .add("desc", desc)
      .add("presplit", opts.presplitRegions)
      .add("splitPolicy", opts.splitPolicy)
      .add("replicas", opts.replicas)
      .add("families", opts.families)
      .toString());
  }

  // remove an existing table
  if (needsDelete) {
    if (admin.isTableEnabled(tableName)) {
      admin.disableTable(tableName);
    }
    admin.deleteTable(tableName);
  }

  // table creation is necessary
  if (!exists || needsDelete) {
    desc = getTableDescriptor(opts);
    if (splits != null) {
      if (LOG.isDebugEnabled()) {
        for (int i = 0; i < splits.length; i++) {
          LOG.debug(" split " + i + ": " + Bytes.toStringBinary(splits[i]));
        }
      }
    }
    if (splits != null) {
      admin.createTable(desc, splits);
    } else {
      admin.createTable(desc);
    }
    LOG.info("Table " + desc + " created");
  }
  return admin.tableExists(tableName);
}
Example 15
Source File: HBaseUtilities.java    From pxf with Apache License 2.0 2 votes vote down vote up 
/**
 * Returns if given table exists and is enabled.
 *
 * @param hbaseAdmin HBase admin, must be initialized
 * @param tableName table name
 * @return true if table exists
 * @throws IOException if a remote or network exception occurs when connecting to HBase
 */
public static boolean isTableAvailable(Admin hbaseAdmin, String tableName) throws IOException {
    TableName name = TableName.valueOf(tableName);
    return hbaseAdmin.isTableAvailable(name) &&
            hbaseAdmin.isTableEnabled(name);
}