| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.ozone.om; |
| |
| import org.apache.hadoop.hdds.client.ReplicationFactor; |
| import org.apache.hadoop.hdds.client.ReplicationType; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.apache.hadoop.ozone.client.ObjectStore; |
| import org.apache.hadoop.ozone.client.OzoneBucket; |
| import org.apache.hadoop.ozone.client.OzoneClientFactory; |
| import org.apache.hadoop.ozone.client.OzoneVolume; |
| import org.apache.hadoop.ozone.client.io.OzoneOutputStream; |
| import org.apache.hadoop.ozone.container.ContainerTestHelper; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.UUID; |
| import java.util.concurrent.TimeUnit; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_CONTAINER_REPORT_INTERVAL; |
| import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_BLOCK_DELETING_SERVICE_INTERVAL; |
| |
| /** |
| * Test OM's {@link KeyDeletingService}. |
| */ |
| public class TestKeyPurging { |
| |
| private static MiniOzoneCluster cluster; |
| private static ObjectStore store; |
| private static OzoneManager om; |
| |
| private static final int NUM_KEYS = 10; |
| private static final int KEY_SIZE = 100; |
| |
| @Before |
| public void setup() throws Exception { |
| OzoneConfiguration conf = new OzoneConfiguration(); |
| conf.setTimeDuration(OZONE_BLOCK_DELETING_SERVICE_INTERVAL, 100, |
| TimeUnit.MILLISECONDS); |
| conf.setTimeDuration(HDDS_CONTAINER_REPORT_INTERVAL, 200, |
| TimeUnit.MILLISECONDS); |
| conf.setBoolean(OMConfigKeys.OZONE_OM_RATIS_ENABLE_KEY, true); |
| conf.setQuietMode(false); |
| |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setNumDatanodes(1) |
| .setHbInterval(200) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| store = OzoneClientFactory.getRpcClient(conf).getObjectStore(); |
| om = cluster.getOzoneManager(); |
| } |
| |
| @After |
| public void shutdown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test(timeout = 30000) |
| public void testKeysPurgingByKeyDeletingService() throws Exception { |
| // Create Volume and Bucket |
| String volumeName = UUID.randomUUID().toString(); |
| String bucketName = UUID.randomUUID().toString(); |
| store.createVolume(volumeName); |
| OzoneVolume volume = store.getVolume(volumeName); |
| volume.createBucket(bucketName); |
| OzoneBucket bucket = volume.getBucket(bucketName); |
| |
| // Create some keys and write data into them |
| String keyBase = UUID.randomUUID().toString(); |
| String keyString = UUID.randomUUID().toString(); |
| byte[] data = ContainerTestHelper.getFixedLengthString( |
| keyString, KEY_SIZE).getBytes(UTF_8); |
| List<String> keys = new ArrayList<>(NUM_KEYS); |
| for (int i = 1; i <= NUM_KEYS; i++) { |
| String keyName = keyBase + "-" + i; |
| keys.add(keyName); |
| OzoneOutputStream keyStream = ContainerTestHelper.createKey( |
| keyName, ReplicationType.STAND_ALONE, ReplicationFactor.ONE, |
| KEY_SIZE, store, volumeName, bucketName); |
| keyStream.write(data); |
| keyStream.close(); |
| } |
| |
| // Delete created keys |
| for (String key : keys) { |
| bucket.deleteKey(key); |
| } |
| |
| // Verify that KeyDeletingService picks up deleted keys and purges them |
| // from DB. |
| KeyManager keyManager = om.getKeyManager(); |
| KeyDeletingService keyDeletingService = |
| (KeyDeletingService) keyManager.getDeletingService(); |
| |
| GenericTestUtils.waitFor( |
| () -> keyDeletingService.getDeletedKeyCount().get() >= NUM_KEYS, |
| 1000, 10000); |
| |
| Assert.assertTrue(keyDeletingService.getRunCount().get() > 1); |
| |
| GenericTestUtils.waitFor( |
| () -> { |
| try { |
| return keyManager.getPendingDeletionKeys(Integer.MAX_VALUE) |
| .size() == 0; |
| } catch (IOException e) { |
| return false; |
| } |
| }, 1000, 10000); |
| } |
| } |