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HADOOP-17111. Replace Guava Optional with Java8+ Optional. Contributed by Ahmed Hussein.

This commit is contained in:
Akira Ajisaka 2020-07-06 16:08:36 +09:00
parent 55a2ae80dc
commit 639acb6d89
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GPG Key ID: C1EDBB9CA400FD50
4 changed files with 66 additions and 41 deletions
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7
hadoop-build-tools/src/main/resources/checkstyle/checkstyle.xml
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@ -119,7 +119,12 @@
<!-- Checks for imports -->
<!-- See http://checkstyle.sf.net/config_import.html -->
<module name="IllegalImport"/> <!-- defaults to sun.* packages -->
<module name="IllegalImport">
<property name="regexp" value="true"/>
<property name="illegalPkgs" value="^sun\.[^.]+"/>
<property name="illegalClasses"
value="^com\.google\.common\.base\.(Optional)"/>
</module>
<module name="RedundantImport"/>
<module name="UnusedImports"/>

19
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DefaultContainerExecutor.java
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@ -21,12 +21,7 @@ package org.apache.hadoop.yarn.server.nodemanager;
import static org.apache.hadoop.fs.CreateFlag.CREATE;
import static org.apache.hadoop.fs.CreateFlag.OVERWRITE;
import org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerExecutionException;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerExecContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.annotations.VisibleForTesting;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
@ -38,7 +33,7 @@ import java.util.Arrays;
import java.util.EnumSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import org.apache.commons.lang3.RandomUtils;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.fs.FileContext;
@ -46,6 +41,7 @@ import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.UnsupportedFileSystemException;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair;
import org.apache.hadoop.service.ServiceStateException;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.util.Shell.CommandExecutor;
@ -60,15 +56,16 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Cont
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerDiagnosticsUpdateEvent;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerExecutionException;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerExecContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerLivenessContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerReapContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerSignalContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerStartContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.DeletionAsUserContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.LocalizerStartContext;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Optional;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The {@code DefaultContainerExecuter} class offers generic container
@ -333,7 +330,7 @@ public class DefaultContainerExecutor extends ContainerExecutor {
builder.append("Exception from container-launch.\n")
.append("Container id: ").append(containerId).append("\n")
.append("Exit code: ").append(exitCode).append("\n");
if (!Optional.fromNullable(e.getMessage()).or("").isEmpty()) {
if (!Optional.ofNullable(e.getMessage()).orElse("").isEmpty()) {
builder.append("Exception message: ")
.append(e.getMessage()).append("\n");
}

58
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
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@ -18,14 +18,46 @@
package org.apache.hadoop.yarn.server.nodemanager;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.APPID;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.APPLICATION_LOCAL_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_ID_STR;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_LAUNCH_PREFIX_COMMANDS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_LOCAL_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_LOG_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_RUN_CMDS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.CONTAINER_WORK_DIR;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.FILECACHE_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.LOCALIZED_RESOURCES;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.LOCAL_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.LOG_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_CONTAINER_SCRIPT_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_KEYSTORE_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_TOKENS_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.NM_PRIVATE_TRUSTSTORE_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.PID;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.PID_FILE_PATH;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.RESOURCES_OPTIONS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.RUN_AS_USER;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.SIGNAL;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.TC_COMMAND_FILE;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.USER;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.USER_FILECACHE_DIRS;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.USER_LOCAL_DIRS;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Optional;
import org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerExecContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.regex.Pattern;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.hadoop.util.StringUtils;
@ -53,6 +85,7 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerExecutionException;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerExecContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerLivenessContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerPrepareContext;
import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerReacquisitionContext;
@ -64,17 +97,8 @@ import org.apache.hadoop.yarn.server.nodemanager.executor.LocalizerStartContext;
import org.apache.hadoop.yarn.server.nodemanager.util.CgroupsLCEResourcesHandler;
import org.apache.hadoop.yarn.server.nodemanager.util.DefaultLCEResourcesHandler;
import org.apache.hadoop.yarn.server.nodemanager.util.LCEResourcesHandler;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
import static org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.LinuxContainerRuntimeConstants.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <p>This class provides {@link Container} execution using a native
@ -614,7 +638,7 @@ public class LinuxContainerExecutor extends ContainerExecutor {
.append("Container id: " + containerId + "\n")
.append("Exit code: " + exitCode + "\n")
.append("Exception message: " + e.getMessage() + "\n");
if (!Optional.fromNullable(e.getErrorOutput()).or("").isEmpty()) {
if (!Optional.ofNullable(e.getErrorOutput()).orElse("").isEmpty()) {
builder.append("Shell error output: " + e.getErrorOutput() + "\n");
}
//Skip stack trace

23
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStorePerf.java
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@ -18,15 +18,18 @@
package org.apache.hadoop.yarn.server.resourcemanager.recovery;
import com.google.common.base.Optional;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import javax.crypto.SecretKey;
import org.apache.curator.test.TestingServer;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.Tool;
@ -34,6 +37,7 @@ import org.apache.hadoop.util.ToolRunner;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
@ -41,16 +45,11 @@ import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.Applicatio
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.security.AMRMTokenSecretManager;
import org.apache.hadoop.yarn.server.resourcemanager.security.ClientToAMTokenSecretManagerInRM;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.Before;
import org.junit.After;
import org.junit.Test;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class TestZKRMStateStorePerf extends RMStateStoreTestBase
implements Tool {
@ -98,12 +97,12 @@ public class TestZKRMStateStorePerf extends RMStateStoreTestBase
}
private void initStore(String hostPort) {
Optional<String> optHostPort = Optional.fromNullable(hostPort);
Optional<String> optHostPort = Optional.ofNullable(hostPort);
RMContext rmContext = mock(RMContext.class);
conf = new YarnConfiguration();
conf.set(YarnConfiguration.RM_ZK_ADDRESS, optHostPort
.or((curatorTestingServer == null) ? "" : curatorTestingServer
.orElse((curatorTestingServer == null) ? "" : curatorTestingServer
.getConnectString()));
conf.set(YarnConfiguration.ZK_RM_STATE_STORE_PARENT_PATH, workingZnode);