001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import java.io.IOException;
021import java.util.UUID;
022import org.apache.hadoop.conf.Configuration;
023import org.apache.hadoop.fs.Path;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HConstants;
026import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;
027import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy;
028import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;
029import org.apache.hadoop.hbase.testclassification.LargeTests;
030import org.junit.BeforeClass;
031import org.junit.ClassRule;
032import org.junit.experimental.categories.Category;
033
034/**
035 * This class tests that the use of a temporary snapshot directory supports snapshot functionality
036 * while the temporary directory is on the same file system as the root directory
037 * <p>
038 * This is an end-to-end test for the snapshot utility
039 */
040@Category(LargeTests.class)
041public class TestSnapshotDFSTemporaryDirectory
042    extends TestSnapshotTemporaryDirectory {
043
044  @ClassRule
045  public static final HBaseClassTestRule CLASS_RULE =
046      HBaseClassTestRule.forClass(TestSnapshotDFSTemporaryDirectory.class);
047
048  /**
049   * Setup the config for the cluster
050   *
051   * @throws Exception on failure
052   */
053  @BeforeClass public static void setupCluster() throws Exception {
054    setupConf(UTIL.getConfiguration());
055    UTIL.startMiniCluster(NUM_RS);
056    admin = UTIL.getHBaseAdmin();
057  }
058
059  private static void setupConf(Configuration conf) throws IOException {
060    // disable the ui
061    conf.setInt("hbase.regionsever.info.port", -1);
062    // change the flush size to a small amount, regulating number of store files
063    conf.setInt("hbase.hregion.memstore.flush.size", 25000);
064    // so make sure we get a compaction when doing a load, but keep around some
065    // files in the store
066    conf.setInt("hbase.hstore.compaction.min", 10);
067    conf.setInt("hbase.hstore.compactionThreshold", 10);
068    // block writes if we get to 12 store files
069    conf.setInt("hbase.hstore.blockingStoreFiles", 12);
070    // Enable snapshot
071    conf.setBoolean(SnapshotManager.HBASE_SNAPSHOT_ENABLED, true);
072    conf.set(HConstants.HBASE_REGION_SPLIT_POLICY_KEY,
073        ConstantSizeRegionSplitPolicy.class.getName());
074
075    String snapshotPath = UTIL.getDefaultRootDirPath().toString() + Path.SEPARATOR +
076        UUID.randomUUID().toString() + Path.SEPARATOR + ".tmpdir" + Path.SEPARATOR;
077    conf.set(SnapshotDescriptionUtils.SNAPSHOT_WORKING_DIR, "file://" + new Path(snapshotPath).toUri());
078  }
079}