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HDDS-1222. Remove TestContainerSQLCli unit test stub. Contributed by Elek, Marton.

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Márton Elek 2019-03-05 16:34:27 +01:00
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hadoop-ozone/tools/src/test/java/org/apache/hadoop/ozone/scm/TestContainerSQLCli.java
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/**
* 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 containerOwnership. 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.ozone.scm;
import org.apache.hadoop.hdds.HddsConfigKeys;
import org.apache.hadoop.hdds.scm.container.ContainerManager;
import org.apache.hadoop.hdds.scm.container.SCMContainerManager;
import org.apache.hadoop.hdds.scm.container.common.helpers.ExcludeList;
import org.apache.hadoop.hdds.scm.events.SCMEvents;
import org.apache.hadoop.hdds.scm.node.NodeManager;
import org.apache.hadoop.hdds.scm.pipeline.PipelineManager;
import org.apache.hadoop.hdds.scm.pipeline.SCMPipelineManager;
import org.apache.hadoop.hdds.server.events.EventQueue;
import org.apache.hadoop.ozone.MiniOzoneCluster;
import org.apache.hadoop.ozone.OzoneConfigKeys;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
import org.apache.hadoop.hdds.scm.block.BlockManagerImpl;
import org.apache.hadoop.hdds.scm.container.placement.algorithms.ContainerPlacementPolicy;
import org.apache.hadoop.hdds.scm.container.placement.algorithms.SCMContainerPlacementCapacity;
import org.apache.hadoop.hdds.scm.ScmConfigKeys;
import org.apache.hadoop.hdds.scm.container.common.helpers.AllocatedBlock;
import org.apache.hadoop.ozone.scm.cli.SQLCLI;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.UUID;
import static org.apache.hadoop.ozone.OzoneConsts.SCM_CONTAINER_DB;
import static org.apache.hadoop.ozone.OzoneConsts.KB;
import static org.junit.Assert.assertEquals;
/**
* This class tests the CLI that transforms container into SQLite DB files.
*/
@RunWith(Parameterized.class)
public class TestContainerSQLCli {
private EventQueue eventQueue;
@Parameterized.Parameters
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][] {
{OzoneConfigKeys.OZONE_METADATA_STORE_IMPL_LEVELDB},
{OzoneConfigKeys.OZONE_METADATA_STORE_IMPL_ROCKSDB}
});
}
private static String metaStoreType;
public TestContainerSQLCli(String type) {
metaStoreType = type;
}
private static SQLCLI cli;
private MiniOzoneCluster cluster;
private OzoneConfiguration conf;
private String datanodeIpAddress;
private ContainerManager containerManager;
private NodeManager nodeManager;
private BlockManagerImpl blockManager;
private HashMap<Long, Long> blockContainerMap;
private final static long DEFAULT_BLOCK_SIZE = 4 * KB;
private static HddsProtos.ReplicationFactor factor;
private static HddsProtos.ReplicationType type;
private static final String CONTAINER_OWNER = "OZONE";
@Before
public void setup() throws Exception {
blockContainerMap = new HashMap<>();
conf = new OzoneConfiguration();
conf.setInt(ScmConfigKeys.OZONE_SCM_PIPELINE_OWNER_CONTAINER_COUNT, 2);
conf.setClass(ScmConfigKeys.OZONE_SCM_CONTAINER_PLACEMENT_IMPL_KEY,
SCMContainerPlacementCapacity.class, ContainerPlacementPolicy.class);
if(conf.getBoolean(ScmConfigKeys.DFS_CONTAINER_RATIS_ENABLED_KEY,
ScmConfigKeys.DFS_CONTAINER_RATIS_ENABLED_DEFAULT)){
factor = HddsProtos.ReplicationFactor.THREE;
type = HddsProtos.ReplicationType.RATIS;
} else {
factor = HddsProtos.ReplicationFactor.ONE;
type = HddsProtos.ReplicationType.STAND_ALONE;
}
cluster = MiniOzoneCluster.newBuilder(conf).setNumDatanodes(2).build();
cluster.waitForClusterToBeReady();
datanodeIpAddress = cluster.getHddsDatanodes().get(0)
.getDatanodeDetails().getIpAddress();
cluster.getOzoneManager().stop();
cluster.getStorageContainerManager().stop();
eventQueue = new EventQueue();
nodeManager = cluster.getStorageContainerManager().getScmNodeManager();
PipelineManager pipelineManager =
new SCMPipelineManager(conf, nodeManager, eventQueue);
containerManager = new SCMContainerManager(conf, nodeManager,
pipelineManager, eventQueue);
blockManager =
new BlockManagerImpl(conf, cluster.getStorageContainerManager());
eventQueue.addHandler(SCMEvents.CHILL_MODE_STATUS, blockManager);
eventQueue.fireEvent(SCMEvents.CHILL_MODE_STATUS, false);
GenericTestUtils.waitFor(() -> {
return !blockManager.isScmInChillMode();
}, 10, 1000 * 15);
// blockManager.allocateBlock() will create containers if there is none
// stored in levelDB. The number of containers to create is the value of
// OZONE_SCM_PIPELINE_OWNER_CONTAINER_COUNT which we set to 2.
// so the first allocateBlock() will create two containers. A random one
// is assigned for the block.
// loop until both the two datanodes are up, try up to about 4 seconds.
for (int c = 0; c < 40; c++) {
if (nodeManager.getAllNodes().size() == 2) {
break;
}
Thread.sleep(100);
}
assertEquals(2, nodeManager.getAllNodes().size());
AllocatedBlock ab1 = blockManager.allocateBlock(DEFAULT_BLOCK_SIZE, type,
factor, CONTAINER_OWNER, new ExcludeList());
blockContainerMap.put(ab1.getBlockID().getLocalID(),
ab1.getBlockID().getContainerID());
AllocatedBlock ab2;
// we want the two blocks on the two provisioned containers respectively,
// however blockManager picks containers randomly, keep retry until we
// assign the second block to the other container. This seems to be the only
// way to get the two containers.
// although each retry will create a block and assign to a container. So
// the size of blockContainerMap will vary each time the test is run.
while (true) {
ab2 = blockManager
.allocateBlock(DEFAULT_BLOCK_SIZE, type, factor, CONTAINER_OWNER,
new ExcludeList());
blockContainerMap.put(ab2.getBlockID().getLocalID(),
ab2.getBlockID().getContainerID());
if (ab1.getBlockID().getContainerID() !=
ab2.getBlockID().getContainerID()) {
break;
}
}
blockManager.close();
containerManager.close();
nodeManager.close();
conf.set(OzoneConfigKeys.OZONE_METADATA_STORE_IMPL, metaStoreType);
cli = new SQLCLI(conf);
}
@After
public void shutdown() throws InterruptedException {
if (cluster != null) {
cluster.shutdown();
}
}
@Test
public void testConvertContainerDB() throws Exception {
String dbOutPath = GenericTestUtils.getTempPath(
UUID.randomUUID() + "/out_sql.db");
// TODO : the following will fail due to empty Datanode list, need to fix.
//String dnUUID = cluster.getDataNodes().get(0).getUuid();
String dbRootPath = conf.get(HddsConfigKeys.OZONE_METADATA_DIRS);
String dbPath = dbRootPath + "/" + SCM_CONTAINER_DB;
String[] args = {"-p", dbPath, "-o", dbOutPath};
Connection conn;
String sql;
ResultSet rs;
cli.run(args);
//verify the sqlite db
// only checks the container names are as expected. Because other fields
// such as datanode UUID are generated randomly each time
conn = connectDB(dbOutPath);
sql = "SELECT * FROM containerInfo";
rs = executeQuery(conn, sql);
ArrayList<Long> containerIDs = new ArrayList<>();
while (rs.next()) {
containerIDs.add(rs.getLong("containerID"));
//assertEquals(dnUUID, rs.getString("leaderUUID"));
}
/* TODO: fix this later when the SQLCLI is fixed.
assertTrue(containerIDs.size() == 2 &&
containerIDs.contains(pipeline1.getContainerName()) &&
containerIDs.contains(pipeline2.getContainerName()));
sql = "SELECT * FROM containerMembers";
rs = executeQuery(conn, sql);
containerIDs = new ArrayList<>();
while (rs.next()) {
containerIDs.add(rs.getLong("containerID"));
//assertEquals(dnUUID, rs.getString("datanodeUUID"));
}
assertTrue(containerIDs.size() == 2 &&
containerIDs.contains(pipeline1.getContainerName()) &&
containerIDs.contains(pipeline2.getContainerName()));
sql = "SELECT * FROM datanodeInfo";
rs = executeQuery(conn, sql);
int count = 0;
while (rs.next()) {
assertEquals(datanodeIpAddress, rs.getString("ipAddress"));
//assertEquals(dnUUID, rs.getString("datanodeUUID"));
count += 1;
}
// the two containers maybe on the same datanode, maybe not.
int expected = pipeline1.getLeader().getUuid().equals(
pipeline2.getLeader().getUuid())? 1 : 2;
assertEquals(expected, count);
*/
Files.delete(Paths.get(dbOutPath));
}
private ResultSet executeQuery(Connection conn, String sql)
throws SQLException {
Statement stmt = conn.createStatement();
return stmt.executeQuery(sql);
}
private Connection connectDB(String dbPath) throws Exception {
Class.forName("org.sqlite.JDBC");
String connectPath =
String.format("jdbc:sqlite:%s", dbPath);
return DriverManager.getConnection(connectPath);
}
}