HDFS-13106. Need to exercise all HDFS APIs for EC. Contributed by Haibo Yan.
This commit is contained in:
Sean Mackrory
parent
4d1bf33d0f
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b14db95c35
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdfs;
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import com.google.common.collect.Lists;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
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import org.apache.hadoop.fs.*;
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import org.apache.hadoop.fs.permission.AclEntry;
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import org.apache.hadoop.fs.permission.AclStatus;
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import org.apache.hadoop.fs.permission.FsAction;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.client.CreateEncryptionZoneFlag;
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import org.apache.hadoop.hdfs.client.HdfsAdmin;
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import org.apache.hadoop.hdfs.protocol.*;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockStoragePolicySuite;
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import org.apache.hadoop.io.erasurecode.ECSchema;
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import org.apache.hadoop.security.Credentials;
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import org.apache.hadoop.security.UserGroupInformation;
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import org.apache.hadoop.security.token.Token;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.nio.file.Paths;
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import java.security.NoSuchAlgorithmException;
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import java.security.PrivilegedExceptionAction;
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import java.util.EnumSet;
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import java.util.List;
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import java.util.Map;
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import static org.apache.hadoop.fs.permission.AclEntryScope.ACCESS;
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import static org.apache.hadoop.fs.permission.AclEntryScope.DEFAULT;
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import static org.apache.hadoop.fs.permission.AclEntryType.GROUP;
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import static org.apache.hadoop.fs.permission.AclEntryType.OTHER;
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import static org.apache.hadoop.fs.permission.AclEntryType.USER;
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import static org.apache.hadoop.fs.permission.FsAction.ALL;
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import static org.apache.hadoop.fs.permission.FsAction.NONE;
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import static org.apache.hadoop.fs.permission.FsAction.READ_EXECUTE;
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import static org.apache.hadoop.hdfs.server.namenode.AclTestHelpers.aclEntry;
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import static org.junit.Assert.*;
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/**
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* Test after enable Erasure Coding on cluster, exercise Java API make sure they
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* are working as expected.
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*
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*/
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public class TestErasureCodingExerciseAPIs {
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private Configuration conf;
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private MiniDFSCluster cluster;
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private DistributedFileSystem fs;
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private HdfsAdmin dfsAdmin;
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private FileSystemTestWrapper fsWrapper;
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private static final int BLOCK_SIZE = 1 << 14; // 16k
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private ErasureCodingPolicy ecPolicy;
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private static ErasureCodingPolicy getEcPolicy() {
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return StripedFileTestUtil.getDefaultECPolicy();
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}
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private static final Logger LOG =
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LoggerFactory.getLogger(TestErasureCodingExerciseAPIs.class);
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@Before
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public void setupCluster() throws IOException {
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ecPolicy = getEcPolicy();
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conf = new HdfsConfiguration();
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conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, BLOCK_SIZE);
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conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_ACLS_ENABLED_KEY, true);
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// Set up java key store
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String testRootDir = Paths.get(new FileSystemTestHelper().getTestRootDir())
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.toString();
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String keyProviderURI = JavaKeyStoreProvider.SCHEME_NAME + "://file"
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+ new Path(testRootDir, "test.jks").toUri();
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conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
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keyProviderURI);
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conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY,
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true);
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cluster = new MiniDFSCluster.Builder(conf).
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numDataNodes(ecPolicy.getNumDataUnits() + ecPolicy.getNumParityUnits()).
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build();
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cluster.waitActive();
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fs = cluster.getFileSystem();
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fsWrapper = new FileSystemTestWrapper(fs);
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dfsAdmin = new HdfsAdmin(cluster.getURI(), conf);
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DFSTestUtil.enableAllECPolicies(fs);
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fs.setErasureCodingPolicy(new Path("/"), ecPolicy.getName());
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}
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/**
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* FileSystem.[access, setOwner, setTime] API call should succeed without
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* failure.
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* @throws IOException if any IO operation failed.
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* @throws InterruptedException
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*/
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@Test
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public void testAccess() throws IOException, InterruptedException {
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final Path p1 = new Path("/p1");
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final String userName = "user1";
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final String groupName = "group1";
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fs.mkdir(p1, new FsPermission((short) 0444));
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fs.setOwner(p1, userName, groupName);
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UserGroupInformation userGroupInfo = UserGroupInformation
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.createUserForTesting(userName, new String[]{groupName});
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FileSystem userFs = userGroupInfo.doAs(
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(PrivilegedExceptionAction<FileSystem>) () -> FileSystem.get(conf));
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userFs.setOwner(p1, userName, groupName);
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userFs.access(p1, FsAction.READ);
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long mtime = System.currentTimeMillis() - 1000L;
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long atime = System.currentTimeMillis() - 2000L;
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fs.setTimes(p1, mtime, atime);
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FileStatus fileStatus = fs.getFileStatus(p1);
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assertEquals(userName, fileStatus.getOwner());
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assertEquals(groupName, fileStatus.getGroup());
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assertEquals(new FsPermission(FsAction.READ, FsAction.READ, FsAction.READ),
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fileStatus.getPermission());
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assertEquals(mtime, fileStatus.getModificationTime());
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assertEquals(atime, fileStatus.getAccessTime());
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}
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/**
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* FileSystem.[setQuota, getQuotaUsage, getContentSummary,
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* setQuotaByStorageType] API call should succeed without failure.
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* @throws IOException if any IO operation failed.
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*/
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@Test
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public void testQuota() throws IOException {
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final Path qDir = new Path("/quotaDir");
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fs.mkdirs(qDir);
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fs.setQuota(qDir, 6, HdfsConstants.QUOTA_DONT_SET);
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QuotaUsage usage = fs.getQuotaUsage(qDir);
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assertEquals(fs.getContentSummary(qDir), usage);
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fs.setQuotaByStorageType(qDir, StorageType.DEFAULT, 10);
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}
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/**
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* FileSystem.[addCachePool, modifyCachePool,removeCachePool] API call
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* should without failure. FileSystem.[addCacheDirective,
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* modifyCacheDirective, removeCacheDirective] are noop.
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* @throws IOException if any IO operation failed.
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*/
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@Test
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public void testCache() throws IOException {
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fs.addCachePool(new CachePoolInfo("pool1"));
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fs.modifyCachePool(new CachePoolInfo("pool1"));
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fs.removeCachePool("pool1");
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fs.addCachePool(new CachePoolInfo("pool1"));
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// Below calls should be noop.
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long id = fs.addCacheDirective(new CacheDirectiveInfo.Builder()
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.setPool("pool1").setPath(new Path("/pool2"))
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.build());
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RemoteIterator<CacheDirectiveEntry> iter = fs.listCacheDirectives(
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new CacheDirectiveInfo.Builder().setPool("pool1").build());
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assertTrue(iter.hasNext());
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assertEquals("pool1", iter.next().getInfo().getPool());
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fs.modifyCacheDirective(new CacheDirectiveInfo.Builder()
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.setId(id).setReplication((short) 2).build());
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fs.removeCacheDirective(id);
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}
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/**
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* FileSystem.[addErasureCodingPolicies, disableErasureCodingPolicy,
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* getErasureCodingPolicy, removeErasureCodingPolicy, setErasureCodingPolicy
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* unsetErasureCodingPolicy] API call still should be succeed without
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* failure.
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* @throws IOException if any IO operation failed.
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*/
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@Test
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public void testErasureCodingPolicy() throws IOException {
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final Path tDir = new Path("/ecpDir");
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fs.mkdirs(tDir);
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ErasureCodingPolicy defaultPolicy
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= SystemErasureCodingPolicies.getPolicies().get(0);
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fs.setErasureCodingPolicy(tDir, defaultPolicy.getName());
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ErasureCodingPolicy fPolicy = fs.getErasureCodingPolicy(tDir);
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assertEquals(defaultPolicy, fPolicy);
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final int cellSize = 1024 * 1024;
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final ECSchema schema = new ECSchema("rs", 5, 3);
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ErasureCodingPolicy newPolicy =
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new ErasureCodingPolicy(schema, cellSize);
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fs.addErasureCodingPolicies(new ErasureCodingPolicy[]{newPolicy});
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assertEquals(SystemErasureCodingPolicies.getPolicies().size() + 1,
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fs.getAllErasureCodingPolicies().size());
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fs.disableErasureCodingPolicy(
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ErasureCodingPolicy.composePolicyName(schema, cellSize));
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assertEquals(SystemErasureCodingPolicies.getPolicies().size() + 1,
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fs.getAllErasureCodingPolicies().size());
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fs.unsetErasureCodingPolicy(tDir);
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fPolicy = fs.getErasureCodingPolicy(tDir);
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assertNotNull(fPolicy);
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fs.removeErasureCodingPolicy(
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ErasureCodingPolicy.composePolicyName(schema, cellSize));
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assertEquals(SystemErasureCodingPolicies.getPolicies().size() + 1,
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fs.getAllErasureCodingPolicies().size());
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}
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/**
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* FileSystem.[getAclStatus, modifyAclEntries, removeAclEntries, removeAcl
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* removeDefaultAcl] API call should succeed without failure.
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* @throws IOException if any IO operation failed.
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*/
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@Test
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public void testACLAPI() throws IOException {
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Path p = new Path("/aclTest");
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fs.mkdirs(p, FsPermission.createImmutable((short) 0750));
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List<AclEntry> aclSpec = Lists.newArrayList(
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aclEntry(DEFAULT, USER, ALL),
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aclEntry(DEFAULT, USER, "foo", ALL),
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aclEntry(DEFAULT, GROUP, READ_EXECUTE),
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aclEntry(DEFAULT, OTHER, NONE));
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fs.setAcl(p, aclSpec);
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AclStatus as = fs.getAclStatus(p);
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for (AclEntry entry : aclSpec) {
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assertTrue(String.format("as: %s, entry: %s", as, entry),
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as.getEntries().contains(entry));
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}
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List<AclEntry> maclSpec = Lists.newArrayList(
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aclEntry(ACCESS, USER, "bar", READ_EXECUTE),
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aclEntry(DEFAULT, USER, "bar", READ_EXECUTE));
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fs.modifyAclEntries(p, maclSpec);
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as = fs.getAclStatus(p);
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for (AclEntry entry : maclSpec) {
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assertTrue(String.format("as: %s, entry: %s", as, entry),
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as.getEntries().contains(entry));
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}
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fs.removeAclEntries(p, maclSpec);
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fs.removeDefaultAcl(p);
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fs.removeAcl(p);
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assertEquals(0, fs.getAclStatus(p).getEntries().size());
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}
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/**
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* FileSystem.[setXAttr, getXAttr, getXAttrs, removeXAttr, listXAttrs] API
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* call should succeed without failure.
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* @throws IOException if any IO operation failed.
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*/
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@Test
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public void testAttr() throws IOException {
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final Path p = new Path("/attrTest");
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fs.mkdirs(p);
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final Path filePath = new Path(p, "file");
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try (DataOutputStream dos = fs.create(filePath)) {
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dos.writeBytes("write something");
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}
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final String name = "user.a1";
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final byte[] value = {0x31, 0x32, 0x33};
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fs.setXAttr(filePath, name, value, EnumSet.of(XAttrSetFlag.CREATE));
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Map<String, byte[]> xattrs = fs.getXAttrs(filePath);
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assertEquals(1, xattrs.size());
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assertArrayEquals(value, xattrs.get(name));
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assertArrayEquals(value, fs.getXAttr(filePath, name));
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List<String> listXAttrs = fs.listXAttrs(filePath);
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assertEquals(1, listXAttrs.size());
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fs.removeXAttr(filePath, name);
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xattrs = fs.getXAttrs(filePath);
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assertEquals(0, xattrs.size());
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listXAttrs = fs.listXAttrs(filePath);
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assertEquals(0, listXAttrs.size());
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}
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/**
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* FileSystem.[allowSnapshot, createSnapshot, deleteSnapshot,
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* renameSnapshot, getSnapshotDiffReport, disallowSnapshot] API call should
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* succeed without failure.
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* @throws IOException if any IO operation failed.
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*/
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@Test
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public void testSnapshotAPI() throws IOException {
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Path p = new Path("/snapshotTest");
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fs.mkdirs(p);
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fs.allowSnapshot(p);
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fs.createSnapshot(p, "s1");
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Path f = new Path("/snapshotTest/f1");
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try (DataOutputStream dos = fs.create(f)) {
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dos.writeBytes("write something");
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}
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fs.createSnapshot(p, "s2");
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fs.renameSnapshot(p, "s2", "s3");
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SnapshotDiffReport report = fs.getSnapshotDiffReport(p, "s1",
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"s3");
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assertEquals("s1", report.getFromSnapshot());
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assertEquals("s3", report.getLaterSnapshotName());
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fs.deleteSnapshot(p, "s1");
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fs.deleteSnapshot(p, "s3");
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fs.disallowSnapshot(p);
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}
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/**
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* FileSystem.[createSymlink, getFileLinkStatus] API call should succeed
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* without failure.
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* @throws IOException if any IO operation failed.
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*/
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@Test
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public void testSymbolicLink() throws IOException {
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Path p = new Path("/slTest");
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fs.mkdirs(p);
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Path f = new Path("/slTest/file");
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try (DataOutputStream dos = fs.create(f)) {
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dos.writeBytes("write something");
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}
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Path sl = new Path("/slTest1/sl");
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fs.createSymlink(f, sl, true);
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assertEquals(fs.getLinkTarget(sl), f);
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FileStatus linkStatus = fs.getFileLinkStatus(sl);
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assertTrue(linkStatus.isSymlink());
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}
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/**
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* FileSystem.[create, open, append, concat, getFileChecksum, rename,
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* delete] API call should succeed without failure.
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* @throws IOException if any IO operation failed.
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*/
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|
@Test
|
||||||
|
public void testFileOpsAPI() throws IOException {
|
||||||
|
Path p = new Path("/fileTest");
|
||||||
|
fs.mkdirs(p);
|
||||||
|
Path f1 = new Path(p, "file1");
|
||||||
|
Path fa = new Path(p, "filea");
|
||||||
|
|
||||||
|
try (DataOutputStream dos = fs.create(f1)) {
|
||||||
|
dos.writeBytes("create with some content");
|
||||||
|
}
|
||||||
|
|
||||||
|
try (DataOutputStream dos = fs.create(fa)) {
|
||||||
|
dos.writeBytes("create with some content");
|
||||||
|
}
|
||||||
|
|
||||||
|
// setReplication is a noop
|
||||||
|
short replication = fs.getDefaultReplication();
|
||||||
|
fs.setReplication(f1, (short) 5);
|
||||||
|
assertEquals(replication, fs.getDefaultReplication(f1));
|
||||||
|
|
||||||
|
BlockLocation[] locations = fs.getFileBlockLocations(f1, 0, 1);
|
||||||
|
assertEquals(1, locations.length);
|
||||||
|
|
||||||
|
FileStatus status1 = fs.getFileStatus(f1);
|
||||||
|
assertFalse(status1.isDirectory());
|
||||||
|
assertTrue(status1.getPath().toString().contains(p.toString()));
|
||||||
|
FileStatus statusa = fs.getFileStatus(fa);
|
||||||
|
assertFalse(statusa.isDirectory());
|
||||||
|
assertTrue(statusa.getPath().toString().contains(fa.toString()));
|
||||||
|
|
||||||
|
FileStatus[] statuses = fs.listStatus(p);
|
||||||
|
assertEquals(2, statuses.length);
|
||||||
|
assertEquals(status1, statuses[0]);
|
||||||
|
assertEquals(statusa, statuses[1]);
|
||||||
|
|
||||||
|
RemoteIterator<FileStatus> iter = fs.listStatusIterator(p);
|
||||||
|
assertEquals(status1, iter.next());
|
||||||
|
assertEquals(statusa, iter.next());
|
||||||
|
assertFalse(iter.hasNext());
|
||||||
|
|
||||||
|
Path[] concatPs = new Path[]{
|
||||||
|
new Path(p, "c1"),
|
||||||
|
new Path(p, "c2"),
|
||||||
|
new Path(p, "c3"),
|
||||||
|
};
|
||||||
|
|
||||||
|
for (Path cp : concatPs) {
|
||||||
|
try (DataOutputStream dos = fs.create(cp)) {
|
||||||
|
dos.writeBytes("concat some content");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
fs.concat(f1, concatPs);
|
||||||
|
|
||||||
|
FileChecksum checksum1 = fs.getFileChecksum(f1);
|
||||||
|
Path f2 = new Path("/fileTest/file2");
|
||||||
|
|
||||||
|
fs.rename(f1, f2);
|
||||||
|
FileStatus fileStatus = fs.getFileStatus(f2);
|
||||||
|
assertTrue(fileStatus.getPath().toString().contains("/fileTest/file2"));
|
||||||
|
|
||||||
|
FileChecksum checksum2 = fs.getFileChecksum(f2);
|
||||||
|
assertEquals(checksum1, checksum2);
|
||||||
|
fs.delete(f2, true);
|
||||||
|
|
||||||
|
RemoteIterator<Path> corruptFileBlocks = fs.listCorruptFileBlocks(f2);
|
||||||
|
assertFalse(corruptFileBlocks.hasNext());
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* FileSystem.[createEncryptionZone, getLocatedBlocks, getEZForPath,
|
||||||
|
* reencryptEncryptionZone, addDelegationTokens] API call should succeed
|
||||||
|
* without failure.
|
||||||
|
* @throws IOException if any IO operation failed.
|
||||||
|
* @throws NoSuchAlgorithmException
|
||||||
|
*/
|
||||||
|
@Test
|
||||||
|
public void testEncryptionZone() throws IOException,
|
||||||
|
NoSuchAlgorithmException {
|
||||||
|
final Path zoneRoot = new Path("ecRoot");
|
||||||
|
final Path zonePath = new Path(zoneRoot, "/ec");
|
||||||
|
fsWrapper.mkdir(zonePath, FsPermission.getDirDefault(), true);
|
||||||
|
|
||||||
|
final String testKey = "test_key";
|
||||||
|
DFSTestUtil.createKey(testKey, cluster, conf);
|
||||||
|
final EnumSet<CreateEncryptionZoneFlag> noTrash =
|
||||||
|
EnumSet.of(CreateEncryptionZoneFlag.NO_TRASH);
|
||||||
|
dfsAdmin.createEncryptionZone(zonePath, testKey, noTrash);
|
||||||
|
|
||||||
|
final Path fp = new Path(zonePath, "encFile");
|
||||||
|
DFSTestUtil.createFile(fs, fp, 1 << 13, (short) 1, 0xFEEE);
|
||||||
|
LocatedBlocks blocks = fs.getClient().getLocatedBlocks(fp.toString(), 0);
|
||||||
|
FileEncryptionInfo fei = blocks.getFileEncryptionInfo();
|
||||||
|
assertEquals(testKey, fei.getKeyName());
|
||||||
|
EncryptionZone ez = fs.getEZForPath(fp);
|
||||||
|
|
||||||
|
assertEquals(zonePath.toString(), ez.getPath());
|
||||||
|
dfsAdmin.reencryptEncryptionZone(zonePath,
|
||||||
|
HdfsConstants.ReencryptAction.START);
|
||||||
|
|
||||||
|
Credentials creds = new Credentials();
|
||||||
|
final Token<?>[] tokens = fs.addDelegationTokens("JobTracker", creds);
|
||||||
|
assertEquals(1, tokens.length);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* FileSystem.[setStoragePolicy, unsetStoragePolicy] API call should succeed
|
||||||
|
* without failure.
|
||||||
|
* @throws IOException if any IO operation failed.
|
||||||
|
*/
|
||||||
|
@Test
|
||||||
|
public void testStoragePolicy() throws IOException {
|
||||||
|
Path p = new Path("/storagePolicyTest");
|
||||||
|
fs.mkdirs(p);
|
||||||
|
final Path sp = new Path(p, "/sp");
|
||||||
|
try (DataOutputStream dos = fs.create(sp)) {
|
||||||
|
dos.writeBytes("create with some content");
|
||||||
|
}
|
||||||
|
|
||||||
|
final BlockStoragePolicySuite suite = BlockStoragePolicySuite
|
||||||
|
.createDefaultSuite();
|
||||||
|
final BlockStoragePolicy hot = suite.getPolicy("HOT");
|
||||||
|
|
||||||
|
fs.setStoragePolicy(sp, hot.getName());
|
||||||
|
assertEquals(fs.getStoragePolicy(sp), hot);
|
||||||
|
|
||||||
|
fs.unsetStoragePolicy(sp);
|
||||||
|
assertEquals(fs.getStoragePolicy(sp), hot);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* append is not supported in EC.
|
||||||
|
* @throws IOException if any IO operation failed.
|
||||||
|
*/
|
||||||
|
@Test
|
||||||
|
public void testAppend() throws IOException {
|
||||||
|
Path p = new Path("/fileTest");
|
||||||
|
fs.mkdirs(p);
|
||||||
|
Path f = new Path("/fileTest/appendFile");
|
||||||
|
|
||||||
|
try (DataOutputStream dos = fs.create(f)) {
|
||||||
|
dos.writeBytes("create with some content");
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
fs.append(f);
|
||||||
|
fail("append is not supported on erasure coded file");
|
||||||
|
} catch (IOException ioe) {
|
||||||
|
//Work as expected.
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* truncate is not supported in EC.
|
||||||
|
* @throws IOException if any IO operation failed.
|
||||||
|
*/
|
||||||
|
@Test
|
||||||
|
public void testTruncate() throws IOException {
|
||||||
|
Path p = new Path("/truncateTest");
|
||||||
|
fs.mkdirs(p);
|
||||||
|
Path f = new Path("/truncateTest/truncatefile");
|
||||||
|
try (DataOutputStream dos = fs.create(f)) {
|
||||||
|
dos.writeBytes("create with some content");
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
fs.truncate(f, 0);
|
||||||
|
fail("truncate is not supported on erasure coded file.");
|
||||||
|
} catch (IOException ex) {
|
||||||
|
//Work as expected.
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@After
|
||||||
|
public void shutdownCluster() {
|
||||||
|
if (cluster != null) {
|
||||||
|
cluster.shutdown();
|
||||||
|
cluster = null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue