Examples with Connection org.apache.hadoop.hbase.client.Connection used on opensource projects

Example 51 with Connection

use of org.apache.hadoop.hbase.client.Connection in project hbase by apache.

the class BaseTestHBaseFsck method deleteMetaRegion.

protected void deleteMetaRegion(Configuration conf, boolean unassign, boolean hdfs, boolean regionInfoOnly) throws IOException, InterruptedException {
    HRegionLocation metaLocation = connection.getRegionLocator(TableName.META_TABLE_NAME).getRegionLocation(HConstants.EMPTY_START_ROW);
    ServerName hsa = metaLocation.getServerName();
    HRegionInfo hri = metaLocation.getRegionInfo();
    if (unassign) {
        LOG.info("Undeploying meta region " + hri + " from server " + hsa);
        try (Connection unmanagedConnection = ConnectionFactory.createConnection(conf)) {
            undeployRegion(unmanagedConnection, hsa, hri);
        }
    }
    if (regionInfoOnly) {
        LOG.info("deleting hdfs .regioninfo data: " + hri.toString() + hsa.toString());
        Path rootDir = FSUtils.getRootDir(conf);
        FileSystem fs = rootDir.getFileSystem(conf);
        Path p = new Path(rootDir + "/" + TableName.META_TABLE_NAME.getNameAsString(), hri.getEncodedName());
        Path hriPath = new Path(p, HRegionFileSystem.REGION_INFO_FILE);
        fs.delete(hriPath, true);
    }
    if (hdfs) {
        LOG.info("deleting hdfs data: " + hri.toString() + hsa.toString());
        Path rootDir = FSUtils.getRootDir(conf);
        FileSystem fs = rootDir.getFileSystem(conf);
        Path p = new Path(rootDir + "/" + TableName.META_TABLE_NAME.getNameAsString(), hri.getEncodedName());
        HBaseFsck.debugLsr(conf, p);
        boolean success = fs.delete(p, true);
        LOG.info("Deleted " + p + " sucessfully? " + success);
        HBaseFsck.debugLsr(conf, p);
    }
}

Example 52 with Connection

use of org.apache.hadoop.hbase.client.Connection in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testDeleteColumnWithLatestTimeStampUsingMultipleVersions.

@Test
public void testDeleteColumnWithLatestTimeStampUsingMultipleVersions() throws Exception {
    setAuths();
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    try (Table table = doPuts(tableName)) {
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility(SECRET + "&" + TOPSECRET));
                    d.addColumn(fam, qual);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        TEST_UTIL.getAdmin().flush(tableName);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(3);
        assertTrue(next.length == 2);
        CellScanner cellScanner = next[0].cellScanner();
        cellScanner.advance();
        Cell current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 127l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 126l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 124l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 123l);
        cellScanner = next[1].cellScanner();
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row2, 0, row2.length));
    }
}

Example 53 with Connection

use of org.apache.hadoop.hbase.client.Connection in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testDeleteFamilySpecificTimeStampWithMulipleVersions.

@Test
public void testDeleteFamilySpecificTimeStampWithMulipleVersions() throws Exception {
    setAuths();
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    try (Table table = doPuts(tableName)) {
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility("(" + PRIVATE + "&" + CONFIDENTIAL + ")|(" + SECRET + "&" + TOPSECRET + ")"));
                    d.addFamily(fam, 126l);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        TEST_UTIL.getAdmin().flush(tableName);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(6);
        assertTrue(next.length == 2);
        CellScanner cellScanner = next[0].cellScanner();
        cellScanner.advance();
        Cell current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 127l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 125l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 123l);
        cellScanner = next[1].cellScanner();
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row2, 0, row2.length));
    }
}

Example 54 with Connection

use of org.apache.hadoop.hbase.client.Connection in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testVisibilityLabelsWithDeleteFamilyWithPutsReAppearing.

@Test
public void testVisibilityLabelsWithDeleteFamilyWithPutsReAppearing() throws Exception {
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    Admin hBaseAdmin = TEST_UTIL.getAdmin();
    HColumnDescriptor colDesc = new HColumnDescriptor(fam);
    colDesc.setMaxVersions(5);
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(colDesc);
    hBaseAdmin.createTable(desc);
    try (Table table = TEST_UTIL.getConnection().getTable(tableName)) {
        Put put = new Put(Bytes.toBytes("row1"));
        put.addColumn(fam, qual, value);
        put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
        table.put(put);
        put = new Put(Bytes.toBytes("row1"));
        put.addColumn(fam, qual, value);
        put.setCellVisibility(new CellVisibility(SECRET));
        table.put(put);
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility(CONFIDENTIAL));
                    d.addFamily(fam);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(3);
        assertEquals(next.length, 1);
        put = new Put(Bytes.toBytes("row1"));
        put.addColumn(fam, qual, value1);
        put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
        table.put(put);
        actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility(SECRET));
                    d.addFamily(fam);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(CONFIDENTIAL));
        scanner = table.getScanner(s);
        next = scanner.next(3);
        assertEquals(next.length, 1);
        s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET));
        scanner = table.getScanner(s);
        Result[] next1 = scanner.next(3);
        assertEquals(next1.length, 0);
    }
}

Example 55 with Connection

use of org.apache.hadoop.hbase.client.Connection in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testDeleteFamilyWithoutCellVisibilityWithMulipleVersions.

@Test
public void testDeleteFamilyWithoutCellVisibilityWithMulipleVersions() throws Exception {
    setAuths();
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    try (Table table = doPutsWithoutVisibility(tableName)) {
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.addFamily(fam);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        TEST_UTIL.getAdmin().flush(tableName);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(3);
        assertTrue(next.length == 1);
        // All cells wrt row1 should be deleted as we are not passing the Cell Visibility
        CellScanner cellScanner = next[0].cellScanner();
        cellScanner.advance();
        Cell current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row2, 0, row2.length));
    }
}