/**
* 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.util.hbck;
import static org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.assertErrors;
import static org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.client.HConnectionManager;
import org.apache.hadoop.hbase.util.HBaseFsck;
import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter.ERROR_CODE;
import org.apache.hadoop.hbase.zookeeper.ZKAssign;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
import org.junit.Test;
/**
* This builds a table, removes info from meta, and then rebuilds meta.
*/
public class TestOfflineMetaRebuildBase extends OfflineMetaRebuildTestCore {
@Test(timeout = 120000)
public void testMetaRebuild() throws Exception {
wipeOutMeta();
// is meta really messed up?
assertEquals(0, scanMeta());
assertErrors(doFsck(conf, false),
new ERROR_CODE[] { ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
ERROR_CODE.NOT_IN_META_OR_DEPLOYED, });
// Note, would like to check # of tables, but this takes a while to time
// out.
// shutdown the minicluster
TEST_UTIL.shutdownMiniHBaseCluster();
TEST_UTIL.shutdownMiniZKCluster();
HConnectionManager.deleteConnection(conf, false);
// rebuild meta table from scratch
HBaseFsck fsck = new HBaseFsck(conf);
assertTrue(fsck.rebuildMeta());
// bring up the minicluster
TEST_UTIL.startMiniZKCluster(); // tables seem enabled by default
TEST_UTIL.restartHBaseCluster(3);
ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(TEST_UTIL);
LOG.info("Waiting for no more RIT");
ZKAssign.blockUntilNoRIT(zkw);
LOG.info("No more RIT in ZK, now doing final test verification");
// everything is good again.
assertEquals(4, scanMeta());
HTableDescriptor[] htbls = TEST_UTIL.getHBaseAdmin().listTables();
LOG.info("Tables present after restart: " + Arrays.toString(htbls));
assertEquals(1, htbls.length);
assertErrors(doFsck(conf, false), new ERROR_CODE[] {});
LOG.info("Table " + table + " has " + tableRowCount(conf, table)
+ " entries.");
assertEquals(16, tableRowCount(conf, table));
}
}