| /* |
| * 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.coprocessor.example; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtil; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.Get; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; |
| import org.apache.hadoop.hbase.testclassification.CoprocessorTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.EnvironmentEdgeManager; |
| import org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper; |
| import org.apache.zookeeper.CreateMode; |
| import org.apache.zookeeper.KeeperException; |
| import org.apache.zookeeper.ZooDefs; |
| import org.apache.zookeeper.ZooKeeper; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({ CoprocessorTests.class, MediumTests.class }) |
| public class TestZooKeeperScanPolicyObserver { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestZooKeeperScanPolicyObserver.class); |
| |
| private static final HBaseTestingUtil UTIL = new HBaseTestingUtil(); |
| |
| private static TableName NAME = TableName.valueOf("TestCP"); |
| |
| private static byte[] FAMILY = Bytes.toBytes("cf"); |
| |
| private static byte[] QUALIFIER = Bytes.toBytes("cq"); |
| |
| private static Table TABLE; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| UTIL.startMiniCluster(3); |
| UTIL.getAdmin() |
| .createTable(TableDescriptorBuilder.newBuilder(NAME) |
| .setCoprocessor(ZooKeeperScanPolicyObserver.class.getName()) |
| .setValue(ZooKeeperScanPolicyObserver.ZK_ENSEMBLE_KEY, |
| UTIL.getZkCluster().getAddress().toString()) |
| .setValue(ZooKeeperScanPolicyObserver.ZK_SESSION_TIMEOUT_KEY, "2000") |
| .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).build()).build()); |
| TABLE = UTIL.getConnection().getTable(NAME); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| if (TABLE != null) { |
| TABLE.close(); |
| } |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| private void setExpireBefore(long time) |
| throws KeeperException, InterruptedException, IOException { |
| RecoverableZooKeeper recoverableZk = UTIL.getZooKeeperWatcher().getRecoverableZooKeeper(); |
| // we need to call this for setting up the zookeeper connection |
| recoverableZk.reconnectAfterExpiration(); |
| // we have to use the original ZooKeeper as the RecoverableZooKeeper will append a magic prefix |
| // for the data stored on zookeeper |
| ZooKeeper zk = recoverableZk.getZooKeeper(); |
| if (zk.exists(ZooKeeperScanPolicyObserver.NODE, false) == null) { |
| zk.create(ZooKeeperScanPolicyObserver.NODE, Bytes.toBytes(time), ZooDefs.Ids.OPEN_ACL_UNSAFE, |
| CreateMode.PERSISTENT); |
| } else { |
| zk.setData(ZooKeeperScanPolicyObserver.NODE, Bytes.toBytes(time), -1); |
| } |
| } |
| |
| private void assertValueEquals(int start, int end) throws IOException { |
| for (int i = start; i < end; i++) { |
| assertEquals(i, |
| Bytes.toInt(TABLE.get(new Get(Bytes.toBytes(i))).getValue(FAMILY, QUALIFIER))); |
| } |
| } |
| |
| private void assertNotExists(int start, int end) throws IOException { |
| for (int i = start; i < end; i++) { |
| assertFalse(TABLE.exists(new Get(Bytes.toBytes(i)))); |
| } |
| } |
| |
| private void put(int start, int end, long ts) throws IOException { |
| for (int i = start; i < end; i++) { |
| TABLE.put(new Put(Bytes.toBytes(i)).addColumn(FAMILY, QUALIFIER, ts, Bytes.toBytes(i))); |
| } |
| } |
| |
| @Test |
| public void test() throws IOException, KeeperException, InterruptedException { |
| long now = EnvironmentEdgeManager.currentTime(); |
| put(0, 100, now - 10000); |
| assertValueEquals(0, 100); |
| |
| setExpireBefore(now - 5000); |
| Thread.sleep(5000); |
| UTIL.getAdmin().flush(NAME); |
| assertNotExists(0, 100); |
| |
| put(0, 50, now - 1000); |
| UTIL.getAdmin().flush(NAME); |
| put(50, 100, now - 100); |
| UTIL.getAdmin().flush(NAME); |
| assertValueEquals(0, 100); |
| |
| setExpireBefore(now - 500); |
| Thread.sleep(5000); |
| UTIL.getAdmin().majorCompact(NAME); |
| UTIL.waitFor(30000, () -> UTIL.getHBaseCluster().getRegions(NAME).iterator().next() |
| .getStore(FAMILY).getStorefilesCount() == 1); |
| assertNotExists(0, 50); |
| assertValueEquals(50, 100); |
| } |
| } |