/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.mapreduce;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.LauncherSecurityManager;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.util.GenericOptionsParser;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Basic test for the CopyTable M/R tool
*/
@Category(LargeTests.class)
public class TestCopyTable {
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
private static final byte[] ROW1 = Bytes.toBytes("row1");
private static final byte[] ROW2 = Bytes.toBytes("row2");
private static final String FAMILY_A_STRING = "a";
private static final String FAMILY_B_STRING = "b";
private static final byte[] FAMILY_A = Bytes.toBytes(FAMILY_A_STRING);
private static final byte[] FAMILY_B = Bytes.toBytes(FAMILY_B_STRING);
private static final byte[] QUALIFIER = Bytes.toBytes("q");
@BeforeClass
public static void beforeClass() throws Exception {
TEST_UTIL.startMiniCluster(3);
TEST_UTIL.startMiniMapReduceCluster();
}
@AfterClass
public static void afterClass() throws Exception {
TEST_UTIL.shutdownMiniMapReduceCluster();
TEST_UTIL.shutdownMiniCluster();
}
private void doCopyTableTest(boolean bulkload) throws Exception {
final TableName TABLENAME1 = TableName.valueOf("testCopyTable1");
final TableName TABLENAME2 = TableName.valueOf("testCopyTable2");
final byte[] FAMILY = Bytes.toBytes("family");
final byte[] COLUMN1 = Bytes.toBytes("c1");
Table t1 = TEST_UTIL.createTable(TABLENAME1, FAMILY);
Table t2 = TEST_UTIL.createTable(TABLENAME2, FAMILY);
// put rows into the first table
for (int i = 0; i < 10; i++) {
Put p = new Put(Bytes.toBytes("row" + i));
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
}
CopyTable copy = new CopyTable(TEST_UTIL.getConfiguration());
int code;
if (bulkload) {
code = copy.run(new String[] { "--new.name=" + TABLENAME2.getNameAsString(),
"--bulkload", TABLENAME1.getNameAsString() });
} else {
code = copy.run(new String[] { "--new.name=" + TABLENAME2.getNameAsString(),
TABLENAME1.getNameAsString() });
}
assertEquals("copy job failed", 0, code);
// verify the data was copied into table 2
for (int i = 0; i < 10; i++) {
Get g = new Get(Bytes.toBytes("row" + i));
Result r = t2.get(g);
assertEquals(1, r.size());
assertTrue(CellUtil.matchingQualifier(r.rawCells()[0], COLUMN1));
}
t1.close();
t2.close();
TEST_UTIL.deleteTable(TABLENAME1);
TEST_UTIL.deleteTable(TABLENAME2);
}
/**
* Simple end-to-end test
* @throws Exception
*/
@Test
public void testCopyTable() throws Exception {
doCopyTableTest(false);
}
/**
* Simple end-to-end test with bulkload.
*/
@Test
public void testCopyTableWithBulkload() throws Exception {
doCopyTableTest(true);
}
@Test
public void testStartStopRow() throws Exception {
final TableName TABLENAME1 = TableName.valueOf("testStartStopRow1");
final TableName TABLENAME2 = TableName.valueOf("testStartStopRow2");
final byte[] FAMILY = Bytes.toBytes("family");
final byte[] COLUMN1 = Bytes.toBytes("c1");
final byte[] ROW0 = Bytes.toBytes("row0");
final byte[] ROW1 = Bytes.toBytes("row1");
final byte[] ROW2 = Bytes.toBytes("row2");
Table t1 = TEST_UTIL.createTable(TABLENAME1, FAMILY);
Table t2 = TEST_UTIL.createTable(TABLENAME2, FAMILY);
// put rows into the first table
Put p = new Put(ROW0);
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
p = new Put(ROW1);
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
p = new Put(ROW2);
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
CopyTable copy = new CopyTable(TEST_UTIL.getConfiguration());
assertEquals(
0,
copy.run(new String[] { "--new.name=" + TABLENAME2, "--startrow=row1",
"--stoprow=row2", TABLENAME1.getNameAsString() }));
// verify the data was copied into table 2
// row1 exist, row0, row2 do not exist
Get g = new Get(ROW1);
Result r = t2.get(g);
assertEquals(1, r.size());
assertTrue(CellUtil.matchingQualifier(r.rawCells()[0], COLUMN1));
g = new Get(ROW0);
r = t2.get(g);
assertEquals(0, r.size());
g = new Get(ROW2);
r = t2.get(g);
assertEquals(0, r.size());
t1.close();
t2.close();
TEST_UTIL.deleteTable(TABLENAME1);
TEST_UTIL.deleteTable(TABLENAME2);
}
/**
* Test copy of table from sourceTable to targetTable all rows from family a
*/
@Test
public void testRenameFamily() throws Exception {
String sourceTable = "sourceTable";
String targetTable = "targetTable";
byte[][] families = { FAMILY_A, FAMILY_B };
Table t = TEST_UTIL.createTable(Bytes.toBytes(sourceTable), families);
Table t2 = TEST_UTIL.createTable(Bytes.toBytes(targetTable), families);
Put p = new Put(ROW1);
p.add(FAMILY_A, QUALIFIER, Bytes.toBytes("Data11"));
p.add(FAMILY_B, QUALIFIER, Bytes.toBytes("Data12"));
p.add(FAMILY_A, QUALIFIER, Bytes.toBytes("Data13"));
t.put(p);
p = new Put(ROW2);
p.add(FAMILY_B, QUALIFIER, Bytes.toBytes("Dat21"));
p.add(FAMILY_A, QUALIFIER, Bytes.toBytes("Data22"));
p.add(FAMILY_B, QUALIFIER, Bytes.toBytes("Data23"));
t.put(p);
long currentTime = System.currentTimeMillis();
String[] args = new String[] { "--new.name=" + targetTable, "--families=a:b", "--all.cells",
"--starttime=" + (currentTime - 100000), "--endtime=" + (currentTime + 100000),
"--versions=1", sourceTable };
assertNull(t2.get(new Get(ROW1)).getRow());
assertTrue(runCopy(args));
assertNotNull(t2.get(new Get(ROW1)).getRow());
Result res = t2.get(new Get(ROW1));
byte[] b1 = res.getValue(FAMILY_B, QUALIFIER);
assertEquals("Data13", new String(b1));
assertNotNull(t2.get(new Get(ROW2)).getRow());
res = t2.get(new Get(ROW2));
b1 = res.getValue(FAMILY_A, QUALIFIER);
// Data from the family of B is not copied
assertNull(b1);
}
/**
* Test main method of CopyTable.
*/
@Test
public void testMainMethod() throws Exception {
String[] emptyArgs = { "-h" };
PrintStream oldWriter = System.err;
ByteArrayOutputStream data = new ByteArrayOutputStream();
PrintStream writer = new PrintStream(data);
System.setErr(writer);
SecurityManager SECURITY_MANAGER = System.getSecurityManager();
LauncherSecurityManager newSecurityManager= new LauncherSecurityManager();
System.setSecurityManager(newSecurityManager);
try {
CopyTable.main(emptyArgs);
fail("should be exit");
} catch (SecurityException e) {
assertEquals(1, newSecurityManager.getExitCode());
} finally {
System.setErr(oldWriter);
System.setSecurityManager(SECURITY_MANAGER);
}
assertTrue(data.toString().contains("rs.class"));
// should print usage information
assertTrue(data.toString().contains("Usage:"));
}
private boolean runCopy(String[] args) throws IOException, InterruptedException,
ClassNotFoundException {
GenericOptionsParser opts = new GenericOptionsParser(
new Configuration(TEST_UTIL.getConfiguration()), args);
Configuration configuration = opts.getConfiguration();
args = opts.getRemainingArgs();
Job job = new CopyTable(configuration).createSubmittableJob(args);
job.waitForCompletion(false);
return job.isSuccessful();
}
}