Package org.apache.hadoop.hive.metastore

Examples of org.apache.hadoop.hive.metastore.HiveMetaStoreClient$SynchronizedHandler

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      hiveConf.setBoolVar(HiveConf.ConfVars.METASTORE_USE_THRIFT_SASL, true);
      hiveConf.setVar(HiveConf.ConfVars.METASTORE_KERBEROS_PRINCIPAL, serverKerberosPrincipal);     
    }
   
    try {
      client = new HiveMetaStoreClient(hiveConf,null);
    } catch (Exception e){
      throw new Exception("Could not instantiate a HiveMetaStoreClient connecting to server uri:["+serverUri+"]",e);
    }
    return client;
  }
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    //add the token to the clientUgi for securely talking to the metastore
    clientUgi.addToken(t);
    //Create the metastore client as the clientUgi. Doing so this
    //way will give the client access to the token that was added earlier
    //in the clientUgi
    HiveMetaStoreClient hiveClient =
      clientUgi.doAs(new PrivilegedExceptionAction<HiveMetaStoreClient>() {
        public HiveMetaStoreClient run() throws Exception {
          HiveMetaStoreClient hiveClient =
            new HiveMetaStoreClient(conf);
          return hiveClient;
        }
      });

    assertTrue("Couldn't connect to metastore", hiveClient != null);

    //try out some metastore operations
    createDBAndVerifyExistence(hiveClient);
   
    //check that getDelegationToken fails since we are not authenticating
    //over kerberos
    boolean pass = false;
    try {
      hiveClient.getDelegationToken(clientUgi.getUserName());
    } catch (MetaException ex) {
      pass = true;
    }
    assertTrue("Expected the getDelegationToken call to fail", pass == true);
    hiveClient.close();

    //Now cancel the delegation token
    HiveMetaStore.cancelDelegationToken(tokenStrForm);

    //now metastore connection should fail
    hiveClient =
      clientUgi.doAs(new PrivilegedExceptionAction<HiveMetaStoreClient>() {
        public HiveMetaStoreClient run() {
          try {
            HiveMetaStoreClient hiveClient =
              new HiveMetaStoreClient(conf);
            return hiveClient;
          } catch (MetaException e) {
            return null;
          }
        }
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  protected CompactorTest() throws Exception {
    HiveConf conf = new HiveConf();
    TxnDbUtil.setConfValues(conf);
    TxnDbUtil.cleanDb();
    ms = new HiveMetaStoreClient(conf);
    txnHandler = new CompactionTxnHandler(conf);
    tmpdir = new File(System.getProperty("java.io.tmpdir") +
        System.getProperty("file.separator") + "compactor_test_tables");
    tmpdir.mkdir();
    tmpdir.deleteOnExit();
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   * support is removed
   * @returns a Meta Store Client
   * @throws HiveMetaException  if a working client can't be created
   */
  private IMetaStoreClient createMetaStoreClient() throws MetaException {
      return new HiveMetaStoreClient(this.conf);
  }
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    private final HiveMetaStoreClient hiveClient;
    private boolean isInUse;

    private HCatalogStoreClient(HiveConf hiveConf) {
      try {
        this.hiveClient = new HiveMetaStoreClient(hiveConf);
        clientPool.add(this);
        LOG.info("MetaStoreClient created (size = " + clientPool.size() + ")");
      } catch (Exception e) {
        // Turn in to an unchecked exception
        throw new IllegalStateException(e);
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    dataFile = new File(dataDir, SINGLE_TYPE_DATA_FILE_NAME);
    FileOutputStream to = new FileOutputStream(dataFile);
    Resources.copy(Resources.getResource(SINGLE_TYPE_DATA_FILE_NAME), to);
    to.close();

    HiveMetaStoreClient client = context.getMetaStoreClient(ADMIN1);
    client.dropDatabase(dbName, true, true, true);
    createMetastoreDB(client, dbName);
    client.close();

  }
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   * @throws Exception
   */
  @Test
  public void testServerPrivileges() throws Exception {
    String tabName = "tab1";
    HiveMetaStoreClient client = context.getMetaStoreClient(ADMIN1);
    client.dropDatabase(dbName, true, true, true);

    createMetastoreDB(client, dbName);
    createMetastoreTable(client, dbName, tabName,
        Lists.newArrayList(new FieldSchema("col1", "int", "")));
    assertEquals(1, client.getTables(dbName, tabName).size());
    client.dropTable(dbName, tabName);
    client.dropDatabase(dbName, true, true, true);
  }
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   * verify non-admin user can not create or drop DB
   * @throws Exception
   */
  @Test
  public void testNegativeServerPrivileges() throws Exception {
    HiveMetaStoreClient client = context.getMetaStoreClient(USER1_1);
    try {
      createMetastoreDB(client, "fooDb");
      fail("Creat db should have failed for non-admin user");
    } catch (MetaException e) {
      Context.verifyMetastoreAuthException(e);
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   * user can't create table in DB where he doesn't have ALL permissions
   * @throws Exception
   */
  @Test
  public void testTablePrivileges() throws Exception {
    HiveMetaStoreClient client = context.getMetaStoreClient(ADMIN1);
    createMetastoreTable(client, dbName, tabName1,
        Lists.newArrayList(new FieldSchema("col1", "int", "")));
    client.close();

    client = context.getMetaStoreClient(USER1_1);
    createMetastoreTable(client, dbName, tabName2,
        Lists.newArrayList(new FieldSchema("col1", "int", "")));
    assertEquals(1, client.getTables(dbName, tabName2).size());
    client.dropTable(dbName, tabName1);
    createMetastoreTable(client, dbName, tabName1,
        Lists.newArrayList(new FieldSchema("col1", "int", "")));
    client.close();

    // group2 users can't create the table, but can drop it
    client = context.getMetaStoreClient(USER2_1);
    try {
      createMetastoreTable(client, dbName, "barTab",
          Lists.newArrayList(new FieldSchema("col1", "int", "")));
      fail("Create table should have failed for non-privilege user");
    } catch (MetaException e) {
      Context.verifyMetastoreAuthException(e);
    }
    client.dropTable(dbName, tabName2);
    client.close();

    // group3 users can't create or drop it
    client = context.getMetaStoreClient(USER3_1);
    try {
      createMetastoreTable(client, dbName, "barTab",
          Lists.newArrayList(new FieldSchema("col1", "int", "")));
      fail("Create table should have failed for non-privilege user");
    } catch (MetaException e) {
      Context.verifyMetastoreAuthException(e);
    }

    try {
      client.dropTable(dbName, tabName1);
      fail("drop table should have failed for non-privilege user");
    } catch (MetaException e) {
      Context.verifyMetastoreAuthException(e);
    }
    client.close();
  }
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   * @throws Exception
   */
  @Test
  public void testAlterTablePrivileges() throws Exception {

    HiveMetaStoreClient client = context.getMetaStoreClient(ADMIN1);
    createMetastoreTable(client, dbName, tabName1,
        Lists.newArrayList(new FieldSchema("col1", "int", "")));
    client.close();

    // verify group1 users with DDL privileges can alter tables in db_1
    client = context.getMetaStoreClient(USER1_1);
    Table metaTable2 = client.getTable(dbName, tabName1);
    metaTable2.getSd().setCols(
        Lists.newArrayList(new FieldSchema("col2", "double", "")));
    client.alter_table(dbName, tabName1, metaTable2);
    Table metaTable3 = client.getTable(dbName, tabName1);
    assertEquals(metaTable2, metaTable3);

    // verify group1 users with DDL privileges can alter tables in db_1
    client = context.getMetaStoreClient(USER2_1);
    metaTable2 = client.getTable(dbName, tabName1);
    metaTable2.getSd().setCols(
        Lists.newArrayList(new FieldSchema("col3", "string", "")));
    client.alter_table(dbName, tabName1, metaTable2);
    metaTable3 = client.getTable(dbName, tabName1);
    assertEquals(metaTable2, metaTable3);

    // verify group3 users can't alter tables in db_1
    client = context.getMetaStoreClient(USER3_1);
    metaTable2 = client.getTable(dbName, tabName1);
    metaTable2.getSd().setCols(
        Lists.newArrayList(new FieldSchema("col3", "string", "")));
    try {
      client.alter_table(dbName, tabName1, metaTable2);
      fail("alter table should have failed for non-privilege user");
    } catch (MetaException e) {
      Context.verifyMetastoreAuthException(e);
    }
    client.close();
  }
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