ChenSammi commented on code in PR #7456: URL: https://github.com/apache/ozone/pull/7456#discussion_r1856151111
########## hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestXceiverServerDomainSocket.java: ########## @@ -0,0 +1,713 @@ +/* + * 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.hdds.scm; + +import com.google.common.collect.Maps; +import org.apache.commons.io.FileUtils; +import org.apache.commons.lang3.RandomStringUtils; +import org.apache.hadoop.hdds.client.BlockID; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.protocol.DatanodeDetails; +import org.apache.hadoop.hdds.protocol.MockDatanodeDetails; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos; +import org.apache.hadoop.hdds.scm.pipeline.MockPipeline; +import org.apache.hadoop.hdds.scm.pipeline.Pipeline; +import org.apache.hadoop.hdds.scm.storage.DomainSocketFactory; +import org.apache.hadoop.net.unix.DomainSocket; +import org.apache.hadoop.ozone.OzoneConfigKeys; +import org.apache.hadoop.ozone.common.Checksum; +import org.apache.hadoop.ozone.common.ChunkBuffer; +import org.apache.hadoop.ozone.container.ContainerTestHelper; +import org.apache.hadoop.ozone.container.common.ContainerTestUtils; +import org.apache.hadoop.ozone.container.common.helpers.ContainerMetrics; +import org.apache.hadoop.ozone.container.common.impl.ContainerSet; +import org.apache.hadoop.ozone.container.common.impl.HddsDispatcher; +import org.apache.hadoop.ozone.container.common.interfaces.ContainerDispatcher; +import org.apache.hadoop.ozone.container.common.interfaces.Handler; +import org.apache.hadoop.ozone.container.common.statemachine.StateContext; +import org.apache.hadoop.ozone.container.common.transport.server.XceiverServerDomainSocket; +import org.apache.hadoop.ozone.container.common.volume.HddsVolume; +import org.apache.hadoop.ozone.container.common.volume.MutableVolumeSet; +import org.apache.hadoop.ozone.container.common.volume.StorageVolume; +import org.apache.hadoop.ozone.container.common.volume.VolumeSet; +import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer; +import org.apache.ozone.test.GenericTestUtils; +import org.junit.jupiter.api.BeforeAll; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.Timeout; +import org.junit.jupiter.api.io.TempDir; + +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.EOFException; +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.net.ConnectException; +import java.net.InetSocketAddress; +import java.net.SocketException; +import java.net.SocketTimeoutException; +import java.nio.ByteBuffer; +import java.nio.channels.FileChannel; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.UUID; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.ThreadPoolExecutor; +import java.util.concurrent.TimeUnit; + +import static org.apache.hadoop.hdds.protocol.MockDatanodeDetails.randomDatanodeDetails; +import static org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.Type.GetBlock; +import static org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.Type.ReadChunk; +import static org.apache.hadoop.hdds.scm.XceiverClientShortCircuit.vintPrefixed; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.junit.jupiter.api.Assertions.fail; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +/** + * Tests the XceiverServerDomainSocket class. + */ +public class TestXceiverServerDomainSocket { + private final InetSocketAddress localhost = InetSocketAddress.createUnresolved("localhost", 10000); + @TempDir + private File dir; + + private final ThreadPoolExecutor readExecutors = new ThreadPoolExecutor(1, 1, + 60, TimeUnit.SECONDS, + new LinkedBlockingQueue<>()); + + private static OzoneConfiguration conf; + private static ContainerMetrics metrics; + private static int readTimeout; + private static int writeTimeout; + + @BeforeAll + public static void setup() { + // enable short-circuit read + conf = new OzoneConfiguration(); + OzoneClientConfig clientConfig = conf.getObject(OzoneClientConfig.class); + clientConfig.setShortCircuit(true); + clientConfig.setShortCircuitReadDisableInterval(1000); + conf.setFromObject(clientConfig); + metrics = ContainerMetrics.create(conf); + readTimeout = 5 * 1000; + writeTimeout = 5 * 1000; + } + + @Test + @Timeout(30) + public void testDomainPathConfiguration() { + // empty domain path + conf.set(OzoneClientConfig.OZONE_DOMAIN_SOCKET_PATH, ""); + try { + DomainSocketFactory.getInstance(conf); + fail("Domain path is empty."); + } catch (Throwable e) { + assertTrue(e instanceof IllegalArgumentException); + assertTrue(e.getMessage().contains("ozone.domain.socket.path is not set")); + } + + // Domain path too long + conf.set(OzoneClientConfig.OZONE_DOMAIN_SOCKET_PATH, + new File(dir, "ozone-datanode-socket-" + System.nanoTime()).getAbsolutePath()); + DomainSocketFactory factory = DomainSocketFactory.getInstance(conf); + try { + new XceiverServerDomainSocket(MockDatanodeDetails.randomDatanodeDetails(), + conf, null, readExecutors, metrics, factory); + fail("Domain path is too long."); + } catch (Throwable e) { + assertTrue(e.getCause() instanceof SocketException); + assertTrue(e.getMessage().contains("path too long")); + } finally { + factory.close(); + } + + // non-existing domain parent path + conf.set(OzoneClientConfig.OZONE_DOMAIN_SOCKET_PATH, + new File(dir.getAbsolutePath() + System.nanoTime(), "ozone-socket").getAbsolutePath()); + factory = DomainSocketFactory.getInstance(conf); + try { + new XceiverServerDomainSocket(MockDatanodeDetails.randomDatanodeDetails(), + conf, null, readExecutors, metrics, factory); + fail("non-existing domain parent path."); + } catch (Throwable e) { + assertTrue(e.getCause() instanceof IOException); + assertTrue(e.getMessage().contains("failed to stat a path component")); + } finally { + factory.close(); + } + + // an existing domain path, the existing file is override and changed from a normal file to a socket file + conf.set(OzoneClientConfig.OZONE_DOMAIN_SOCKET_PATH, new File(dir, "ozone-socket").getAbsolutePath()); + factory = DomainSocketFactory.getInstance(conf); + try { + File file = new File(dir, "ozone-socket"); + assertTrue(file.createNewFile()); + new XceiverServerDomainSocket(MockDatanodeDetails.randomDatanodeDetails(), + conf, null, readExecutors, metrics, factory); + } catch (Throwable e) { + fail("an existing domain path is supported by not recommended."); + } finally { + factory.close(); + } + } + + @Test + @Timeout(30) + public void testDomainPathPermission() { + // write from everyone is not allowed + assertTrue(dir.setWritable(true, false)); + conf.set(OzoneClientConfig.OZONE_DOMAIN_SOCKET_PATH, + new File(dir, "ozone-socket").getAbsolutePath()); + DomainSocketFactory factory = DomainSocketFactory.getInstance(conf); + try { + new XceiverServerDomainSocket(MockDatanodeDetails.randomDatanodeDetails(), + conf, null, readExecutors, metrics, factory); + fail("write from everyone is not allowed."); + } catch (Throwable e) { + assertTrue(e.getCause() instanceof IOException); + assertTrue(e.getMessage().contains("It is not protected because it is world-writable")); + } finally { + factory.close(); + } + + // write from owner is required + assertTrue(dir.setWritable(false, false)); + conf.set(OzoneClientConfig.OZONE_DOMAIN_SOCKET_PATH, + new File(dir, "ozone-socket").getAbsolutePath()); + factory = DomainSocketFactory.getInstance(conf); + try { + new XceiverServerDomainSocket(MockDatanodeDetails.randomDatanodeDetails(), + conf, null, readExecutors, metrics, factory); + fail("write from owner is required."); + } catch (Throwable e) { + assertTrue(e.getCause() instanceof IOException); + assertTrue(e.getMessage().contains("Permission denied")); + } finally { + factory.close(); + } + + // write from owner is required + assertTrue(dir.setWritable(true, true)); + conf.set(OzoneClientConfig.OZONE_DOMAIN_SOCKET_PATH, + new File(dir, "ozone-socket").getAbsolutePath()); + factory = DomainSocketFactory.getInstance(conf); + XceiverServerDomainSocket server = null; + try { + server = new XceiverServerDomainSocket(MockDatanodeDetails.randomDatanodeDetails(), + conf, null, readExecutors, metrics, factory); + } catch (Throwable e) { + fail("write from owner is required."); Review Comment: public boolean setWritable(boolean writable, boolean ownerOnly) dir.setWritable(true, true) sets the write permission for owner, group, others. -- This is an automated message from the Apache Git Service. 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