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Ability to run tasks in separate JVMs, and cancel tasks. 

- ForkingTaskRunner spawns new JVMs for each task
- Added ExecutorMain, ExecutorNode to be the spawned JVM
- LocalTaskRunner renamed ExecutorServiceTaskRunner
- Add shutdown method to Task and TaskRunner
This commit is contained in:
Gian Merlino 2013-03-19 10:49:13 -07:00
parent d1eb61d451
commit ec566ee37a
16 changed files with 1132 additions and 400 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
merger/src/main/java/com/metamx/druid/merger/common/task/AbstractTask.java
View File

@ -101,6 +101,12 @@ public abstract class AbstractTask implements Task
return TaskStatus.running(id);
}
@Override
public void shutdown()
{
// Do nothing.
}
@Override
public String toString()
{

6
merger/src/main/java/com/metamx/druid/merger/common/task/Task.java
View File

@ -119,4 +119,10 @@ public interface Task
* @throws Exception
*/
public TaskStatus run(TaskToolbox toolbox) throws Exception;
/**
* Best-effort task cancellation. May or may not do anything. Calling this multiple times may have
* a stronger effect.
*/
public void shutdown();
}

95
merger/src/main/java/com/metamx/druid/merger/coordinator/LocalTaskRunner.java → merger/src/main/java/com/metamx/druid/merger/coordinator/ExecutorServiceTaskRunner.java
View File

@ -21,22 +21,30 @@ package com.metamx.druid.merger.coordinator;
import com.google.common.base.Function;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
import com.metamx.common.guava.FunctionalIterable;
import com.metamx.common.lifecycle.LifecycleStop;
import com.metamx.common.logger.Logger;
import com.metamx.druid.Query;
import com.metamx.druid.merger.common.TaskStatus;
import com.metamx.druid.merger.common.TaskToolbox;
import com.metamx.druid.merger.common.TaskToolboxFactory;
import com.metamx.druid.merger.common.task.Task;
import com.metamx.druid.query.NoopQueryRunner;
import com.metamx.druid.query.QueryRunner;
import com.metamx.druid.query.segment.QuerySegmentWalker;
import com.metamx.druid.query.segment.SegmentDescriptor;
import com.metamx.emitter.EmittingLogger;
import org.apache.commons.io.FileUtils;
import org.joda.time.DateTime;
import org.joda.time.Interval;
import java.io.File;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentSkipListSet;
@ -46,16 +54,15 @@ import java.util.concurrent.ThreadPoolExecutor;
/**
* Runs tasks in a JVM thread using an ExecutorService.
*/
public class LocalTaskRunner implements TaskRunner
public class ExecutorServiceTaskRunner implements TaskRunner, QuerySegmentWalker
{
private final TaskToolboxFactory toolboxFactory;
private final ListeningExecutorService exec;
private final Set<TaskRunnerWorkItem> runningItems = new ConcurrentSkipListSet<TaskRunnerWorkItem>();
private static final Logger log = new Logger(LocalTaskRunner.class);
private static final EmittingLogger log = new EmittingLogger(ExecutorServiceTaskRunner.class);
public LocalTaskRunner(
public ExecutorServiceTaskRunner(
TaskToolboxFactory toolboxFactory,
ExecutorService exec
)
@ -67,6 +74,7 @@ public class LocalTaskRunner implements TaskRunner
@LifecycleStop
public void stop()
{
// TODO is this right
exec.shutdownNow();
}
@ -74,7 +82,17 @@ public class LocalTaskRunner implements TaskRunner
public ListenableFuture<TaskStatus> run(final Task task)
{
final TaskToolbox toolbox = toolboxFactory.build(task);
return exec.submit(new LocalTaskRunnerCallable(task, toolbox));
return exec.submit(new ExecutorServiceTaskRunnerCallable(task, toolbox));
}
@Override
public void shutdown(final String taskid)
{
for (final TaskRunnerWorkItem runningItem : runningItems) {
if (runningItem.getTask().getId().equals(taskid)) {
runningItem.getTask().shutdown();
}
}
}
@Override
@ -97,8 +115,8 @@ public class LocalTaskRunner implements TaskRunner
@Override
public TaskRunnerWorkItem apply(Runnable input)
{
if (input instanceof LocalTaskRunnerCallable) {
return ((LocalTaskRunnerCallable) input).getTaskRunnerWorkItem();
if (input instanceof ExecutorServiceTaskRunnerCallable) {
return ((ExecutorServiceTaskRunnerCallable) input).getTaskRunnerWorkItem();
}
return null;
}
@ -116,14 +134,60 @@ public class LocalTaskRunner implements TaskRunner
return Lists.newArrayList();
}
private static class LocalTaskRunnerCallable implements Callable<TaskStatus>
@Override
public <T> QueryRunner<T> getQueryRunnerForIntervals(Query<T> query, Iterable<Interval> intervals)
{
return getQueryRunnerImpl(query);
}
@Override
public <T> QueryRunner<T> getQueryRunnerForSegments(Query<T> query, Iterable<SegmentDescriptor> specs)
{
return getQueryRunnerImpl(query);
}
private <T> QueryRunner<T> getQueryRunnerImpl(Query<T> query)
{
QueryRunner<T> queryRunner = null;
final List<Task> runningTasks = Lists.transform(
ImmutableList.copyOf(getRunningTasks()), new Function<TaskRunnerWorkItem, Task>()
{
@Override
public Task apply(TaskRunnerWorkItem o)
{
return o.getTask();
}
}
);
for (final Task task : runningTasks) {
if (task.getDataSource().equals(query.getDataSource())) {
final QueryRunner<T> taskQueryRunner = task.getQueryRunner(query);
if (taskQueryRunner != null) {
if (queryRunner == null) {
queryRunner = taskQueryRunner;
} else {
log.makeAlert("Found too many query runners for datasource")
.addData("dataSource", query.getDataSource())
.emit();
}
}
}
}
return queryRunner == null ? new NoopQueryRunner<T>() : queryRunner;
}
private static class ExecutorServiceTaskRunnerCallable implements Callable<TaskStatus>
{
private final Task task;
private final TaskToolbox toolbox;
private final DateTime createdTime;
public LocalTaskRunnerCallable(Task task, TaskToolbox toolbox)
public ExecutorServiceTaskRunnerCallable(Task task, TaskToolbox toolbox)
{
this.task = task;
this.toolbox = toolbox;
@ -135,6 +199,7 @@ public class LocalTaskRunner implements TaskRunner
public TaskStatus call()
{
final long startTime = System.currentTimeMillis();
final File taskDir = toolbox.getTaskDir();
TaskStatus status;
@ -156,20 +221,22 @@ public class LocalTaskRunner implements TaskRunner
}
try {
final File taskDir = toolbox.getTaskDir();
if (taskDir.exists()) {
log.info("Removing task directory: %s", taskDir);
FileUtils.deleteDirectory(taskDir);
}
}
catch (Exception e) {
log.error(e, "Failed to delete task directory: %s", task.getId());
log.makeAlert(e, "Failed to delete task directory")
.addData("taskDir", taskDir.toString())
.addData("task", task.getId())
.emit();
}
try {
return status.withDuration(System.currentTimeMillis() - startTime);
} catch(Exception e) {
}
catch (Exception e) {
log.error(e, "Uncaught Exception during callback for task[%s]", task);
throw Throwables.propagate(e);
}

293
merger/src/main/java/com/metamx/druid/merger/coordinator/ForkingTaskRunner.java Normal file
View File

@ -0,0 +1,293 @@
package com.metamx.druid.merger.coordinator;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.CharMatcher;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.io.ByteStreams;
import com.google.common.io.Files;
import com.google.common.io.InputSupplier;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
import com.metamx.common.ISE;
import com.metamx.common.lifecycle.LifecycleStop;
import com.metamx.druid.merger.common.TaskStatus;
import com.metamx.druid.merger.common.actions.TaskActionClient;
import com.metamx.druid.merger.common.actions.TaskActionClientFactory;
import com.metamx.druid.merger.common.task.Task;
import com.metamx.druid.merger.coordinator.config.ForkingTaskRunnerConfig;
import com.metamx.druid.merger.worker.executor.ExecutorMain;
import com.metamx.emitter.EmittingLogger;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.nio.channels.Channels;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Runs tasks in separate processes using {@link ExecutorMain}.
*/
public class ForkingTaskRunner implements TaskRunner, TaskLogProvider
{
private static final EmittingLogger log = new EmittingLogger(ForkingTaskRunner.class);
private static final String CHILD_PROPERTY_PREFIX = "druid.indexer.fork.property.";
private final Object lock = new Object();
private final ForkingTaskRunnerConfig config;
private final ListeningExecutorService exec;
private final ObjectMapper jsonMapper;
private final List<ProcessHolder> processes = Lists.newArrayList();
public ForkingTaskRunner(
ForkingTaskRunnerConfig config,
ExecutorService exec,
ObjectMapper jsonMapper
)
{
this.config = config;
this.exec = MoreExecutors.listeningDecorator(exec);
this.jsonMapper = jsonMapper;
}
@Override
public ListenableFuture<TaskStatus> run(final Task task)
{
return exec.submit(
new Callable<TaskStatus>()
{
@Override
public TaskStatus call()
{
// TODO Keep around for some amount of time?
// TODO Directory per attempt? token? uuid?
final File tempDir = Files.createTempDir();
ProcessHolder processHolder = null;
try {
final File taskFile = new File(tempDir, "task.json");
final File statusFile = new File(tempDir, "status.json");
final File logFile = new File(tempDir, "log");
// locked so we can choose childHost/childPort based on processes.size
// and make sure we don't double up on ProcessHolders for a task
synchronized (lock) {
if (getProcessHolder(task.getId()).isPresent()) {
throw new ISE("Task already running: %s", task.getId());
}
final List<String> command = Lists.newArrayList();
final int childPort = config.getStartPort() + processes.size();
final String childHost = String.format(config.getHostPattern(), childPort);
Iterables.addAll(
command,
ImmutableList.of(
config.getJavaCommand(),
"-cp",
config.getJavaClasspath()
)
);
Iterables.addAll(
command,
Splitter.on(CharMatcher.WHITESPACE)
.omitEmptyStrings()
.split(config.getJavaOptions())
);
for (String propName : System.getProperties().stringPropertyNames()) {
if (propName.startsWith(CHILD_PROPERTY_PREFIX)) {
command.add(
String.format(
"-D%s=%s",
propName.substring(CHILD_PROPERTY_PREFIX.length()),
System.getProperty(propName)
)
);
}
}
command.add(String.format("-Ddruid.host=%s", childHost));
command.add(String.format("-Ddruid.port=%d", childPort));
// TODO configurable
command.add(ExecutorMain.class.getName());
command.add(taskFile.toString());
command.add(statusFile.toString());
Files.write(jsonMapper.writeValueAsBytes(task), taskFile);
log.info("Running command: %s", Joiner.on(" ").join(command));
processHolder = new ProcessHolder(
task,
new ProcessBuilder(ImmutableList.copyOf(command)).redirectErrorStream(true).start(),
logFile
);
processes.add(processHolder);
}
log.info("Logging task %s output to: %s", task.getId(), logFile);
final OutputStream toLogfile = Files.newOutputStreamSupplier(logFile).getOutput();
final InputStream fromProc = processHolder.process.getInputStream();
ByteStreams.copy(fromProc, toLogfile);
fromProc.close();
toLogfile.close();
final int statusCode = processHolder.process.waitFor();
if (statusCode == 0) {
// Process exited successfully
return jsonMapper.readValue(statusFile, TaskStatus.class);
} else {
// Process exited unsuccessfully
return TaskStatus.failure(task.getId());
}
}
catch (InterruptedException e) {
log.info(e, "Interrupted while waiting for process!");
return TaskStatus.failure(task.getId());
}
catch (IOException e) {
throw Throwables.propagate(e);
}
finally {
if (processHolder != null) {
synchronized (lock) {
processes.remove(processHolder);
}
}
if (tempDir.exists()) {
log.info("Removing temporary directory: %s", tempDir);
// TODO may want to keep this around a bit longer
// try {
// FileUtils.deleteDirectory(tempDir);
// }
// catch (IOException e) {
// log.error(e, "Failed to delete temporary directory");
// }
}
}
}
}
);
}
@LifecycleStop
public void stop()
{
synchronized (lock) {
exec.shutdownNow();
for (ProcessHolder processHolder : processes) {
log.info("Destroying process: %s", processHolder.process);
processHolder.process.destroy();
}
}
}
@Override
public void shutdown(final String taskid)
{
// TODO shutdown harder after more shutdowns
final Optional<ProcessHolder> processHolder = getProcessHolder(taskid);
if(processHolder.isPresent()) {
processHolder.get().shutdowns.incrementAndGet();
processHolder.get().process.destroy();
}
}
@Override
public Collection<TaskRunnerWorkItem> getRunningTasks()
{
return ImmutableList.of();
}
@Override
public Collection<TaskRunnerWorkItem> getPendingTasks()
{
return ImmutableList.of();
}
@Override
public Collection<ZkWorker> getWorkers()
{
return ImmutableList.of();
}
@Override
public Optional<InputSupplier<InputStream>> getLogs(final String taskid, final long offset)
{
final Optional<ProcessHolder> processHolder = getProcessHolder(taskid);
if (processHolder.isPresent()) {
return Optional.<InputSupplier<InputStream>>of(
new InputSupplier<InputStream>()
{
@Override
public InputStream getInput() throws IOException
{
final RandomAccessFile raf = new RandomAccessFile(processHolder.get().logFile, "r");
final long rafLength = raf.length();
if (offset > 0) {
raf.seek(offset);
} else if (offset < 0 && offset < rafLength) {
raf.seek(rafLength + offset);
}
return Channels.newInputStream(raf.getChannel());
}
}
);
} else {
return Optional.absent();
}
}
private Optional<ProcessHolder> getProcessHolder(final String taskid)
{
synchronized (lock) {
return Iterables.tryFind(
processes, new Predicate<ProcessHolder>()
{
@Override
public boolean apply(ProcessHolder processHolder)
{
return processHolder.task.getId().equals(taskid);
}
}
);
}
}
private static class ProcessHolder
{
private final Task task;
private final Process process;
private final File logFile;
private AtomicInteger shutdowns = new AtomicInteger(0);
private ProcessHolder(Task task, Process process, File logFile)
{
this.task = task;
this.process = process;
this.logFile = logFile;
}
}
}

6
merger/src/main/java/com/metamx/druid/merger/coordinator/RemoteTaskRunner.java
View File

@ -227,6 +227,12 @@ public class RemoteTaskRunner implements TaskRunner
return taskRunnerWorkItem.getResult();
}
@Override
public void shutdown(String taskid)
{
throw new UnsupportedOperationException();
}
private void addPendingTask(final TaskRunnerWorkItem taskRunnerWorkItem)
{
log.info("Added pending task %s", taskRunnerWorkItem.getTask().getId());

13
merger/src/main/java/com/metamx/druid/merger/coordinator/TaskLogProvider.java Normal file
View File

@ -0,0 +1,13 @@
package com.metamx.druid.merger.coordinator;
// TODO move to common or worker?
import com.google.common.base.Optional;
import com.google.common.io.InputSupplier;
import java.io.InputStream;
public interface TaskLogProvider
{
public Optional<InputSupplier<InputStream>> getLogs(String taskid, long offset);
}

6
merger/src/main/java/com/metamx/druid/merger/coordinator/TaskRunner.java
View File

@ -39,6 +39,12 @@ public interface TaskRunner
*/
public ListenableFuture<TaskStatus> run(Task task);
/**
* Best-effort task cancellation. May or may not do anything. Calling this multiple times may have
* a stronger effect.
*/
public void shutdown(String taskid);
public Collection<TaskRunnerWorkItem> getRunningTasks();
public Collection<TaskRunnerWorkItem> getPendingTasks();

26
merger/src/main/java/com/metamx/druid/merger/coordinator/config/ForkingTaskRunnerConfig.java Normal file
View File

@ -0,0 +1,26 @@
package com.metamx.druid.merger.coordinator.config;
import org.skife.config.Config;
import org.skife.config.Default;
public abstract class ForkingTaskRunnerConfig
{
@Config("druid.indexer.fork.java")
@Default("java")
public abstract String getJavaCommand();
@Config("druid.indexer.fork.opts")
@Default("")
public abstract String getJavaOptions();
@Config("druid.indexer.fork.classpath")
public String getJavaClasspath() {
return System.getProperty("java.class.path");
}
@Config("druid.indexer.fork.hostpattern")
public abstract String getHostPattern();
@Config("druid.indexer.fork.startport")
public abstract int getStartPort();
}

175
merger/src/main/java/com/metamx/druid/merger/coordinator/http/IndexerCoordinatorNode.java
View File

@ -21,11 +21,10 @@ package com.metamx.druid.merger.coordinator.http;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.ec2.AmazonEC2Client;
import com.fasterxml.jackson.databind.InjectableValues;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.smile.SmileFactory;
import com.google.common.base.Charsets;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
@ -40,11 +39,7 @@ import com.metamx.common.lifecycle.Lifecycle;
import com.metamx.common.lifecycle.LifecycleStart;
import com.metamx.common.lifecycle.LifecycleStop;
import com.metamx.common.logger.Logger;
import com.metamx.druid.BaseServerNode;
import com.metamx.druid.client.ClientConfig;
import com.metamx.druid.client.ClientInventoryManager;
import com.metamx.druid.client.MutableServerView;
import com.metamx.druid.client.OnlyNewSegmentWatcherServerView;
import com.metamx.druid.RegisteringNode;
import com.metamx.druid.config.ConfigManager;
import com.metamx.druid.config.ConfigManagerConfig;
import com.metamx.druid.config.JacksonConfigManager;
@ -56,23 +51,18 @@ import com.metamx.druid.http.RedirectInfo;
import com.metamx.druid.http.StatusServlet;
import com.metamx.druid.initialization.Initialization;
import com.metamx.druid.initialization.ServerConfig;
import com.metamx.druid.initialization.ServerInit;
import com.metamx.druid.initialization.ServiceDiscoveryConfig;
import com.metamx.druid.jackson.DefaultObjectMapper;
import com.metamx.druid.loading.DataSegmentKiller;
import com.metamx.druid.loading.DataSegmentPusher;
import com.metamx.druid.loading.S3DataSegmentKiller;
import com.metamx.druid.merger.common.RetryPolicyFactory;
import com.metamx.druid.merger.common.TaskToolboxFactory;
import com.metamx.druid.merger.common.actions.LocalTaskActionClientFactory;
import com.metamx.druid.merger.common.actions.TaskActionClientFactory;
import com.metamx.druid.merger.common.actions.TaskActionToolbox;
import com.metamx.druid.merger.common.config.IndexerZkConfig;
import com.metamx.druid.merger.common.config.RetryPolicyConfig;
import com.metamx.druid.merger.common.config.TaskConfig;
import com.metamx.druid.merger.common.index.StaticS3FirehoseFactory;
import com.metamx.druid.merger.coordinator.DbTaskStorage;
import com.metamx.druid.merger.coordinator.ForkingTaskRunner;
import com.metamx.druid.merger.coordinator.HeapMemoryTaskStorage;
import com.metamx.druid.merger.coordinator.LocalTaskRunner;
import com.metamx.druid.merger.coordinator.MergerDBCoordinator;
import com.metamx.druid.merger.coordinator.RemoteTaskRunner;
import com.metamx.druid.merger.coordinator.TaskLockbox;
@ -83,6 +73,7 @@ import com.metamx.druid.merger.coordinator.TaskRunnerFactory;
import com.metamx.druid.merger.coordinator.TaskStorage;
import com.metamx.druid.merger.coordinator.TaskStorageQueryAdapter;
import com.metamx.druid.merger.coordinator.config.EC2AutoScalingStrategyConfig;
import com.metamx.druid.merger.coordinator.config.ForkingTaskRunnerConfig;
import com.metamx.druid.merger.coordinator.config.IndexerCoordinatorConfig;
import com.metamx.druid.merger.coordinator.config.IndexerDbConnectorConfig;
import com.metamx.druid.merger.coordinator.config.RemoteTaskRunnerConfig;
@ -95,9 +86,6 @@ import com.metamx.druid.merger.coordinator.scaling.ResourceManagementSchedulerFa
import com.metamx.druid.merger.coordinator.scaling.SimpleResourceManagementStrategy;
import com.metamx.druid.merger.coordinator.scaling.SimpleResourceManagmentConfig;
import com.metamx.druid.merger.coordinator.setup.WorkerSetupData;
import com.metamx.druid.realtime.SegmentAnnouncer;
import com.metamx.druid.realtime.ZkSegmentAnnouncer;
import com.metamx.druid.realtime.ZkSegmentAnnouncerConfig;
import com.metamx.druid.utils.PropUtils;
import com.metamx.emitter.EmittingLogger;
import com.metamx.emitter.core.Emitters;
@ -113,9 +101,6 @@ import com.metamx.metrics.MonitorSchedulerConfig;
import com.metamx.metrics.SysMonitor;
import com.netflix.curator.framework.CuratorFramework;
import com.netflix.curator.framework.recipes.cache.PathChildrenCache;
import org.jets3t.service.S3ServiceException;
import org.jets3t.service.impl.rest.httpclient.RestS3Service;
import org.jets3t.service.security.AWSCredentials;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.servlet.Context;
import org.mortbay.jetty.servlet.DefaultServlet;
@ -135,7 +120,7 @@ import java.util.concurrent.atomic.AtomicReference;
/**
*/
public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNode>
public class IndexerCoordinatorNode extends RegisteringNode
{
private static final Logger log = new Logger(IndexerCoordinatorNode.class);
@ -145,6 +130,7 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
}
private final Lifecycle lifecycle;
private final ObjectMapper jsonMapper;
private final Properties props;
private final ConfigurationObjectFactory configFactory;
@ -152,11 +138,7 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
private ServiceEmitter emitter = null;
private DbConnectorConfig dbConnectorConfig = null;
private DBI dbi = null;
private RestS3Service s3Service = null;
private IndexerCoordinatorConfig config = null;
private TaskConfig taskConfig = null;
private DataSegmentPusher segmentPusher = null;
private TaskToolboxFactory taskToolboxFactory = null;
private MergerDBCoordinator mergerDBCoordinator = null;
private TaskStorage taskStorage = null;
private TaskQueue taskQueue = null;
@ -166,8 +148,8 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
private IndexerZkConfig indexerZkConfig;
private TaskRunnerFactory taskRunnerFactory = null;
private ResourceManagementSchedulerFactory resourceManagementSchedulerFactory = null;
private TaskActionClientFactory taskActionClientFactory = null;
private TaskMasterLifecycle taskMasterLifecycle = null;
private MutableServerView newSegmentServerView = null;
private Server server = null;
private boolean initialized = false;
@ -176,14 +158,14 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
Properties props,
Lifecycle lifecycle,
ObjectMapper jsonMapper,
ObjectMapper smileMapper,
ConfigurationObjectFactory configFactory
)
{
super(log, props, lifecycle, jsonMapper, smileMapper, configFactory);
super(ImmutableList.of(jsonMapper));
this.lifecycle = lifecycle;
this.props = props;
this.jsonMapper = jsonMapper;
this.configFactory = configFactory;
}
@ -205,30 +187,12 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
return this;
}
public IndexerCoordinatorNode setNewSegmentServerView(MutableServerView newSegmentServerView)
{
this.newSegmentServerView = newSegmentServerView;
return this;
}
public IndexerCoordinatorNode setS3Service(RestS3Service s3Service)
{
this.s3Service = s3Service;
return this;
}
public IndexerCoordinatorNode setTaskLockbox(TaskLockbox taskLockbox)
{
this.taskLockbox = taskLockbox;
return this;
}
public IndexerCoordinatorNode setSegmentPusher(DataSegmentPusher segmentPusher)
{
this.segmentPusher = segmentPusher;
return this;
}
public IndexerCoordinatorNode setMergeDbCoordinator(MergerDBCoordinator mergeDbCoordinator)
{
this.mergerDBCoordinator = mergeDbCoordinator;
@ -273,19 +237,14 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
initializeEmitter();
initializeMonitors();
initializeIndexerCoordinatorConfig();
initializeTaskConfig();
initializeS3Service();
initializeMergeDBCoordinator();
initializeNewSegmentServerView();
initializeTaskStorage();
initializeTaskLockbox();
initializeTaskQueue();
initializeDataSegmentPusher();
initializeTaskToolbox();
initializeJacksonInjections();
initializeJacksonSubtypes();
initializeCurator();
initializeIndexerZkConfig();
initializeTaskActionClientFactory();
initializeTaskRunnerFactory(configManager);
initializeResourceManagement(configManager);
initializeTaskMasterLifecycle();
@ -364,16 +323,28 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
initialized = true;
}
private ObjectMapper getJsonMapper()
{
return jsonMapper;
}
private void initializeTaskActionClientFactory()
{
if (taskActionClientFactory == null) {
taskActionClientFactory = new LocalTaskActionClientFactory(
taskStorage,
new TaskActionToolbox(taskQueue, taskLockbox, mergerDBCoordinator, emitter)
);
}
}
private void initializeTaskMasterLifecycle()
{
if (taskMasterLifecycle == null) {
final ServiceDiscoveryConfig serviceDiscoveryConfig = configFactory.build(ServiceDiscoveryConfig.class);
taskMasterLifecycle = new TaskMasterLifecycle(
taskQueue,
new LocalTaskActionClientFactory(
taskStorage,
new TaskActionToolbox(taskQueue, taskLockbox, mergerDBCoordinator, emitter)
),
taskActionClientFactory,
config,
serviceDiscoveryConfig,
taskRunnerFactory,
@ -389,7 +360,7 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
public synchronized void start() throws Exception
{
if (!initialized) {
init();
doInit();
}
lifecycle.start();
@ -432,16 +403,6 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
}
}
private void initializeJacksonInjections()
{
InjectableValues.Std injectables = new InjectableValues.Std();
injectables.addValue("s3Client", s3Service)
.addValue("segmentPusher", segmentPusher);
getJsonMapper().setInjectableValues(injectables);
}
private void initializeJacksonSubtypes()
{
getJsonMapper().registerSubtypes(StaticS3FirehoseFactory.class);
@ -489,71 +450,6 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
}
}
private void initializeTaskConfig()
{
if (taskConfig == null) {
taskConfig = configFactory.build(TaskConfig.class);
}
}
private void initializeNewSegmentServerView()
{
if (newSegmentServerView == null) {
final MutableServerView view = new OnlyNewSegmentWatcherServerView();
final ClientInventoryManager clientInventoryManager = new ClientInventoryManager(
getConfigFactory().build(ClientConfig.class),
getPhoneBook(),
view
);
lifecycle.addManagedInstance(clientInventoryManager);
this.newSegmentServerView = view;
}
}
public void initializeS3Service() throws S3ServiceException
{
this.s3Service = new RestS3Service(
new AWSCredentials(
PropUtils.getProperty(props, "com.metamx.aws.accessKey"),
PropUtils.getProperty(props, "com.metamx.aws.secretKey")
)
);
}
public void initializeDataSegmentPusher()
{
if (segmentPusher == null) {
segmentPusher = ServerInit.getSegmentPusher(props, configFactory, getJsonMapper());
}
}
public void initializeTaskToolbox()
{
if (taskToolboxFactory == null) {
final SegmentAnnouncer segmentAnnouncer = new ZkSegmentAnnouncer(
configFactory.build(ZkSegmentAnnouncerConfig.class),
getPhoneBook()
);
final DataSegmentKiller dataSegmentKiller = new S3DataSegmentKiller(s3Service);
taskToolboxFactory = new TaskToolboxFactory(
taskConfig,
new LocalTaskActionClientFactory(
taskStorage,
new TaskActionToolbox(taskQueue, taskLockbox, mergerDBCoordinator, emitter)
),
emitter,
s3Service,
segmentPusher,
dataSegmentKiller,
segmentAnnouncer,
newSegmentServerView,
getConglomerate(),
getJsonMapper()
);
}
}
public void initializeMergeDBCoordinator()
{
if (mergerDBCoordinator == null) {
@ -657,7 +553,11 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
public TaskRunner build()
{
final ExecutorService runnerExec = Executors.newFixedThreadPool(config.getNumLocalThreads());
return new LocalTaskRunner(taskToolboxFactory, runnerExec);
return new ForkingTaskRunner(
configFactory.build(ForkingTaskRunnerConfig.class),
runnerExec,
getJsonMapper()
);
}
};
} else {
@ -753,13 +653,8 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
public IndexerCoordinatorNode build()
{
if (jsonMapper == null && smileMapper == null) {
if (jsonMapper == null) {
jsonMapper = new DefaultObjectMapper();
smileMapper = new DefaultObjectMapper(new SmileFactory());
smileMapper.getJsonFactory().setCodec(smileMapper);
}
else if (jsonMapper == null || smileMapper == null) {
throw new ISE("Only jsonMapper[%s] or smileMapper[%s] was set, must set neither or both.", jsonMapper, smileMapper);
}
if (lifecycle == null) {
@ -774,7 +669,7 @@ public class IndexerCoordinatorNode extends BaseServerNode<IndexerCoordinatorNod
configFactory = Config.createFactory(props);
}
return new IndexerCoordinatorNode(props, lifecycle, jsonMapper, smileMapper, configFactory);
return new IndexerCoordinatorNode(props, lifecycle, jsonMapper, configFactory);
}
}
}

5
merger/src/main/java/com/metamx/druid/merger/coordinator/http/IndexerCoordinatorResource.java
View File

@ -190,11 +190,12 @@ public class IndexerCoordinatorResource
{
final Map<String, Object> retMap;
// TODO make sure this worker is supposed to be running this task (attempt id? token?)
try {
final T ret = taskMasterLifecycle.getTaskActionClient(holder.getTask())
.submit(holder.getAction());
retMap = Maps.newHashMap();
retMap.put("result", ret);
retMap = ImmutableMap.<String, Object>of("result", ret);
} catch(IOException e) {
return Response.serverError().build();
}

72
merger/src/main/java/com/metamx/druid/merger/worker/WorkerTaskMonitor.java
View File

@ -19,24 +19,22 @@
package com.metamx.druid.merger.worker;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.metamx.common.lifecycle.LifecycleStart;
import com.metamx.common.lifecycle.LifecycleStop;
import com.metamx.druid.Query;
import com.metamx.druid.merger.common.TaskStatus;
import com.metamx.druid.merger.common.TaskToolbox;
import com.metamx.druid.merger.common.TaskToolboxFactory;
import com.metamx.druid.merger.common.task.Task;
import com.metamx.druid.query.NoopQueryRunner;
import com.metamx.druid.query.QueryRunner;
import com.metamx.druid.merger.coordinator.TaskRunner;
import com.metamx.druid.merger.coordinator.TaskRunnerFactory;
import com.metamx.druid.query.segment.QuerySegmentWalker;
import com.metamx.druid.query.segment.SegmentDescriptor;
import com.metamx.emitter.EmittingLogger;
import com.netflix.curator.framework.CuratorFramework;
import com.netflix.curator.framework.recipes.cache.PathChildrenCache;
import com.netflix.curator.framework.recipes.cache.PathChildrenCacheEvent;
import com.netflix.curator.framework.recipes.cache.PathChildrenCacheListener;
import org.apache.commons.io.FileUtils;
import org.joda.time.Interval;
import java.io.File;
import java.util.List;
@ -50,29 +48,32 @@ import java.util.concurrent.ExecutorService;
* The monitor implements {@link QuerySegmentWalker} so tasks can offer up queryable data. This is useful for
* realtime index tasks.
*/
public class WorkerTaskMonitor implements QuerySegmentWalker
public class WorkerTaskMonitor
{
private static final EmittingLogger log = new EmittingLogger(WorkerTaskMonitor.class);
private final ObjectMapper jsonMapper;
private final PathChildrenCache pathChildrenCache;
private final CuratorFramework cf;
private final WorkerCuratorCoordinator workerCuratorCoordinator;
private final TaskToolboxFactory toolboxFactory;
private final TaskRunner taskRunner;
private final ExecutorService exec;
private final List<Task> running = new CopyOnWriteArrayList<Task>();
public WorkerTaskMonitor(
ObjectMapper jsonMapper,
PathChildrenCache pathChildrenCache,
CuratorFramework cf,
WorkerCuratorCoordinator workerCuratorCoordinator,
TaskToolboxFactory toolboxFactory,
TaskRunner taskRunner,
ExecutorService exec
)
{
this.jsonMapper = jsonMapper;
this.pathChildrenCache = pathChildrenCache;
this.cf = cf;
this.workerCuratorCoordinator = workerCuratorCoordinator;
this.toolboxFactory = toolboxFactory;
this.taskRunner = taskRunner;
this.exec = exec;
}
@ -94,11 +95,10 @@ public class WorkerTaskMonitor implements QuerySegmentWalker
throws Exception
{
if (pathChildrenCacheEvent.getType().equals(PathChildrenCacheEvent.Type.CHILD_ADDED)) {
final Task task = toolboxFactory.getObjectMapper().readValue(
final Task task = jsonMapper.readValue(
cf.getData().forPath(pathChildrenCacheEvent.getData().getPath()),
Task.class
);
final TaskToolbox toolbox = toolboxFactory.build(task);
if (isTaskRunning(task)) {
log.warn("Got task %s that I am already running...", task.getId());
@ -113,7 +113,6 @@ public class WorkerTaskMonitor implements QuerySegmentWalker
public void run()
{
final long startTime = System.currentTimeMillis();
final File taskDir = toolbox.getTaskDir();
log.info("Running task [%s]", task.getId());
running.add(task);
@ -122,7 +121,7 @@ public class WorkerTaskMonitor implements QuerySegmentWalker
try {
workerCuratorCoordinator.unannounceTask(task.getId());
workerCuratorCoordinator.announceStatus(TaskStatus.running(task.getId()));
taskStatus = task.run(toolbox);
taskStatus = taskRunner.run(task).get();
}
catch (Exception e) {
log.makeAlert(e, "Failed to run task")
@ -144,19 +143,6 @@ public class WorkerTaskMonitor implements QuerySegmentWalker
.addData("task", task.getId())
.emit();
}
try {
if (taskDir.exists()) {
log.info("Removing task directory: %s", taskDir);
FileUtils.deleteDirectory(taskDir);
}
}
catch (Exception e) {
log.makeAlert(e, "Failed to delete task directory")
.addData("taskDir", taskDir.toString())
.addData("task", task.getId())
.emit();
}
}
}
);
@ -196,38 +182,4 @@ public class WorkerTaskMonitor implements QuerySegmentWalker
.emit();
}
}
@Override
public <T> QueryRunner<T> getQueryRunnerForIntervals(Query<T> query, Iterable<Interval> intervals)
{
return getQueryRunnerImpl(query);
}
@Override
public <T> QueryRunner<T> getQueryRunnerForSegments(Query<T> query, Iterable<SegmentDescriptor> specs)
{
return getQueryRunnerImpl(query);
}
private <T> QueryRunner<T> getQueryRunnerImpl(Query<T> query) {
QueryRunner<T> queryRunner = null;
for (final Task task : running) {
if (task.getDataSource().equals(query.getDataSource())) {
final QueryRunner<T> taskQueryRunner = task.getQueryRunner(query);
if (taskQueryRunner != null) {
if (queryRunner == null) {
queryRunner = taskQueryRunner;
} else {
log.makeAlert("Found too many query runners for datasource")
.addData("dataSource", query.getDataSource())
.emit();
}
}
}
}
return queryRunner == null ? new NoopQueryRunner<T>() : queryRunner;
}
}

81
merger/src/main/java/com/metamx/druid/merger/worker/executor/ExecutorMain.java Normal file
View File

@ -0,0 +1,81 @@
/*
* Druid - a distributed column store.
* Copyright (C) 2012 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.metamx.druid.merger.worker.executor;
import com.metamx.common.lifecycle.Lifecycle;
import com.metamx.common.logger.Logger;
import com.metamx.druid.log.LogLevelAdjuster;
import com.metamx.druid.merger.common.TaskStatus;
import com.metamx.druid.merger.common.task.Task;
import java.io.File;
/**
*/
public class ExecutorMain
{
private static final Logger log = new Logger(ExecutorMain.class);
public static void main(String[] args) throws Exception
{
LogLevelAdjuster.register();
if (args.length != 2) {
log.info("Usage: ExecutorMain <task.json> <status.json>");
System.exit(2);
}
final ExecutorNode node = ExecutorNode.builder().build();
final Lifecycle lifecycle = new Lifecycle();
lifecycle.addManagedInstance(node);
try {
lifecycle.start();
}
catch (Throwable t) {
log.info(t, "Throwable caught at startup, committing seppuku");
System.exit(2);
}
try {
final Task task = node.getJsonMapper().readValue(new File(args[0]), Task.class);
log.info(
"Running with task: %s",
node.getJsonMapper().writerWithDefaultPrettyPrinter().writeValueAsString(task)
);
final TaskStatus status = node.run(task).get();
log.info(
"Task completed with status: %s",
node.getJsonMapper().writerWithDefaultPrettyPrinter().writeValueAsString(status)
);
node.getJsonMapper().writeValue(new File(args[1]), status);
} finally {
lifecycle.stop();
}
// TODO maybe this shouldn't be needed?
System.exit(0);
}
}

514
merger/src/main/java/com/metamx/druid/merger/worker/executor/ExecutorNode.java Normal file
View File

@ -0,0 +1,514 @@
/*
* Druid - a distributed column store.
* Copyright (C) 2012 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.metamx.druid.merger.worker.executor;
import com.fasterxml.jackson.databind.InjectableValues;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.smile.SmileFactory;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import com.metamx.common.ISE;
import com.metamx.common.concurrent.ScheduledExecutorFactory;
import com.metamx.common.concurrent.ScheduledExecutors;
import com.metamx.common.config.Config;
import com.metamx.common.lifecycle.Lifecycle;
import com.metamx.common.lifecycle.LifecycleStart;
import com.metamx.common.lifecycle.LifecycleStop;
import com.metamx.druid.BaseServerNode;
import com.metamx.druid.client.ClientConfig;
import com.metamx.druid.client.ClientInventoryManager;
import com.metamx.druid.client.MutableServerView;
import com.metamx.druid.client.OnlyNewSegmentWatcherServerView;
import com.metamx.druid.http.QueryServlet;
import com.metamx.druid.http.StatusServlet;
import com.metamx.druid.initialization.CuratorConfig;
import com.metamx.druid.initialization.Initialization;
import com.metamx.druid.initialization.ServerConfig;
import com.metamx.druid.initialization.ServerInit;
import com.metamx.druid.initialization.ServiceDiscoveryConfig;
import com.metamx.druid.jackson.DefaultObjectMapper;
import com.metamx.druid.loading.DataSegmentKiller;
import com.metamx.druid.loading.DataSegmentPusher;
import com.metamx.druid.loading.S3DataSegmentKiller;
import com.metamx.druid.merger.common.RetryPolicyFactory;
import com.metamx.druid.merger.common.TaskStatus;
import com.metamx.druid.merger.common.TaskToolboxFactory;
import com.metamx.druid.merger.common.actions.RemoteTaskActionClientFactory;
import com.metamx.druid.merger.common.config.RetryPolicyConfig;
import com.metamx.druid.merger.common.config.TaskConfig;
import com.metamx.druid.merger.common.index.StaticS3FirehoseFactory;
import com.metamx.druid.merger.common.task.Task;
import com.metamx.druid.merger.coordinator.ExecutorServiceTaskRunner;
import com.metamx.druid.merger.worker.config.WorkerConfig;
import com.metamx.druid.realtime.SegmentAnnouncer;
import com.metamx.druid.realtime.ZkSegmentAnnouncer;
import com.metamx.druid.realtime.ZkSegmentAnnouncerConfig;
import com.metamx.druid.utils.PropUtils;
import com.metamx.emitter.EmittingLogger;
import com.metamx.emitter.core.Emitters;
import com.metamx.emitter.service.ServiceEmitter;
import com.metamx.http.client.HttpClient;
import com.metamx.http.client.HttpClientConfig;
import com.metamx.http.client.HttpClientInit;
import com.metamx.metrics.JvmMonitor;
import com.metamx.metrics.Monitor;
import com.metamx.metrics.MonitorScheduler;
import com.metamx.metrics.MonitorSchedulerConfig;
import com.metamx.metrics.SysMonitor;
import com.netflix.curator.framework.CuratorFramework;
import com.netflix.curator.x.discovery.ServiceDiscovery;
import com.netflix.curator.x.discovery.ServiceProvider;
import org.jets3t.service.S3ServiceException;
import org.jets3t.service.impl.rest.httpclient.RestS3Service;
import org.jets3t.service.security.AWSCredentials;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.servlet.Context;
import org.mortbay.jetty.servlet.ServletHolder;
import org.skife.config.ConfigurationObjectFactory;
import java.io.IOException;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
/**
*/
public class ExecutorNode extends BaseServerNode<ExecutorNode>
{
private static final EmittingLogger log = new EmittingLogger(ExecutorNode.class);
public static Builder builder()
{
return new Builder();
}
private final Lifecycle lifecycle;
private final Properties props;
private final ConfigurationObjectFactory configFactory;
private RestS3Service s3Service = null;
private List<Monitor> monitors = null;
private HttpClient httpClient = null;
private ServiceEmitter emitter = null;
private TaskConfig taskConfig = null;
private WorkerConfig workerConfig = null;
private DataSegmentPusher segmentPusher = null;
private TaskToolboxFactory taskToolboxFactory = null;
private CuratorFramework curatorFramework = null;
private ServiceDiscovery serviceDiscovery = null;
private ServiceProvider coordinatorServiceProvider = null;
private MutableServerView newSegmentServerView = null;
private Server server = null;
private ExecutorServiceTaskRunner taskRunner = null;
public ExecutorNode(
Properties props,
Lifecycle lifecycle,
ObjectMapper jsonMapper,
ObjectMapper smileMapper,
ConfigurationObjectFactory configFactory
)
{
super(log, props, lifecycle, jsonMapper, smileMapper, configFactory);
this.lifecycle = lifecycle;
this.props = props;
this.configFactory = configFactory;
}
public ExecutorNode setHttpClient(HttpClient httpClient)
{
this.httpClient = httpClient;
return this;
}
public ExecutorNode setEmitter(ServiceEmitter emitter)
{
this.emitter = emitter;
return this;
}
public ExecutorNode setS3Service(RestS3Service s3Service)
{
this.s3Service = s3Service;
return this;
}
public ExecutorNode setSegmentPusher(DataSegmentPusher segmentPusher)
{
this.segmentPusher = segmentPusher;
return this;
}
public ExecutorNode setTaskToolboxFactory(TaskToolboxFactory taskToolboxFactory)
{
this.taskToolboxFactory = taskToolboxFactory;
return this;
}
public ExecutorNode setCuratorFramework(CuratorFramework curatorFramework)
{
this.curatorFramework = curatorFramework;
return this;
}
public ExecutorNode setCoordinatorServiceProvider(ServiceProvider coordinatorServiceProvider)
{
this.coordinatorServiceProvider = coordinatorServiceProvider;
return this;
}
public ExecutorNode setServiceDiscovery(ServiceDiscovery serviceDiscovery)
{
this.serviceDiscovery = serviceDiscovery;
return this;
}
public ExecutorNode setNewSegmentServerView(MutableServerView newSegmentServerView)
{
this.newSegmentServerView = newSegmentServerView;
return this;
}
@Override
public void doInit() throws Exception
{
initializeHttpClient();
initializeEmitter();
initializeS3Service();
initializeMonitors();
initializeMergerConfig();
initializeCuratorFramework();
initializeServiceDiscovery();
initializeCoordinatorServiceProvider();
initializeNewSegmentServerView();
initializeDataSegmentPusher();
initializeTaskToolbox();
initializeTaskRunner();
initializeJacksonInjections();
initializeJacksonSubtypes();
initializeServer();
final ScheduledExecutorFactory scheduledExecutorFactory = ScheduledExecutors.createFactory(lifecycle);
final ScheduledExecutorService globalScheduledExec = scheduledExecutorFactory.create(1, "Global--%d");
final MonitorScheduler monitorScheduler = new MonitorScheduler(
configFactory.build(MonitorSchedulerConfig.class),
globalScheduledExec,
emitter,
monitors
);
lifecycle.addManagedInstance(monitorScheduler);
final Context root = new Context(server, "/", Context.SESSIONS);
root.addServlet(new ServletHolder(new StatusServlet()), "/status");
root.addServlet(
new ServletHolder(
new QueryServlet(getJsonMapper(), getSmileMapper(), taskRunner, emitter, getRequestLogger())
),
"/druid/v2/*"
);
}
@LifecycleStart
public synchronized void start() throws Exception
{
init();
lifecycle.start();
}
@LifecycleStop
public synchronized void stop()
{
lifecycle.stop();
}
public synchronized ListenableFuture<TaskStatus> run(Task task)
{
return taskRunner.run(task);
}
private void initializeServer()
{
if (server == null) {
server = Initialization.makeJettyServer(configFactory.build(ServerConfig.class));
lifecycle.addHandler(
new Lifecycle.Handler()
{
@Override
public void start() throws Exception
{
log.info("Starting Jetty");
server.start();
}
@Override
public void stop()
{
log.info("Stopping Jetty");
try {
server.stop();
}
catch (Exception e) {
log.error(e, "Exception thrown while stopping Jetty");
}
}
}
);
}
}
private void initializeJacksonInjections()
{
InjectableValues.Std injectables = new InjectableValues.Std();
injectables.addValue("s3Client", s3Service)
.addValue("segmentPusher", segmentPusher);
getJsonMapper().setInjectableValues(injectables);
}
private void initializeJacksonSubtypes()
{
getJsonMapper().registerSubtypes(StaticS3FirehoseFactory.class);
}
private void initializeHttpClient()
{
if (httpClient == null) {
httpClient = HttpClientInit.createClient(
HttpClientConfig.builder().withNumConnections(1).build(), lifecycle
);
}
}
private void initializeEmitter()
{
if (emitter == null) {
emitter = new ServiceEmitter(
PropUtils.getProperty(props, "druid.service"),
PropUtils.getProperty(props, "druid.host"),
Emitters.create(props, httpClient, getJsonMapper(), lifecycle)
);
}
EmittingLogger.registerEmitter(emitter);
}
private void initializeS3Service() throws S3ServiceException
{
if(s3Service == null) {
s3Service = new RestS3Service(
new AWSCredentials(
PropUtils.getProperty(props, "com.metamx.aws.accessKey"),
PropUtils.getProperty(props, "com.metamx.aws.secretKey")
)
);
}
}
private void initializeMonitors()
{
if (monitors == null) {
monitors = Lists.newArrayList();
monitors.add(new JvmMonitor());
monitors.add(new SysMonitor());
}
}
private void initializeMergerConfig()
{
if (taskConfig == null) {
taskConfig = configFactory.build(TaskConfig.class);
}
if (workerConfig == null) {
workerConfig = configFactory.build(WorkerConfig.class);
}
}
public void initializeDataSegmentPusher()
{
if (segmentPusher == null) {
segmentPusher = ServerInit.getSegmentPusher(props, configFactory, getJsonMapper());
}
}
public void initializeTaskToolbox() throws S3ServiceException
{
if (taskToolboxFactory == null) {
final DataSegmentKiller dataSegmentKiller = new S3DataSegmentKiller(s3Service);
final SegmentAnnouncer segmentAnnouncer = new ZkSegmentAnnouncer(
configFactory.build(ZkSegmentAnnouncerConfig.class),
getPhoneBook()
);
lifecycle.addManagedInstance(segmentAnnouncer);
taskToolboxFactory = new TaskToolboxFactory(
taskConfig,
new RemoteTaskActionClientFactory(
httpClient,
coordinatorServiceProvider,
new RetryPolicyFactory(
configFactory.buildWithReplacements(
RetryPolicyConfig.class,
ImmutableMap.of("base_path", "druid.worker.taskActionClient")
)
),
getJsonMapper()
),
emitter,
s3Service,
segmentPusher,
dataSegmentKiller,
segmentAnnouncer,
newSegmentServerView,
getConglomerate(),
getJsonMapper()
);
}
}
public void initializeCuratorFramework() throws IOException
{
if (curatorFramework == null) {
final CuratorConfig curatorConfig = configFactory.build(CuratorConfig.class);
curatorFramework = Initialization.makeCuratorFrameworkClient(
curatorConfig,
lifecycle
);
}
}
public void initializeServiceDiscovery() throws Exception
{
if (serviceDiscovery == null) {
final ServiceDiscoveryConfig config = configFactory.build(ServiceDiscoveryConfig.class);
this.serviceDiscovery = Initialization.makeServiceDiscoveryClient(
curatorFramework,
config,
lifecycle
);
}
}
public void initializeCoordinatorServiceProvider()
{
if (coordinatorServiceProvider == null) {
this.coordinatorServiceProvider = Initialization.makeServiceProvider(
workerConfig.getMasterService(),
serviceDiscovery,
lifecycle
);
}
}
private void initializeNewSegmentServerView()
{
if (newSegmentServerView == null) {
final MutableServerView view = new OnlyNewSegmentWatcherServerView();
final ClientInventoryManager clientInventoryManager = new ClientInventoryManager(
getConfigFactory().build(ClientConfig.class),
getPhoneBook(),
view
);
lifecycle.addManagedInstance(clientInventoryManager);
this.newSegmentServerView = view;
}
}
public void initializeTaskRunner()
{
if (taskRunner == null) {
final ExecutorServiceTaskRunner taskRunner = new ExecutorServiceTaskRunner(
taskToolboxFactory,
Executors.newSingleThreadExecutor(
new ThreadFactoryBuilder()
.setNameFormat("task-runner-%d")
.build()
)
);
this.taskRunner = taskRunner;
}
}
public static class Builder
{
private ObjectMapper jsonMapper = null;
private ObjectMapper smileMapper = null;
private Lifecycle lifecycle = null;
private Properties props = null;
private ConfigurationObjectFactory configFactory = null;
public Builder withMapper(ObjectMapper jsonMapper)
{
this.jsonMapper = jsonMapper;
return this;
}
public Builder withLifecycle(Lifecycle lifecycle)
{
this.lifecycle = lifecycle;
return this;
}
public Builder withProps(Properties props)
{
this.props = props;
return this;
}
public Builder withConfigFactory(ConfigurationObjectFactory configFactory)
{
this.configFactory = configFactory;
return this;
}
public ExecutorNode build()
{
if (jsonMapper == null && smileMapper == null) {
jsonMapper = new DefaultObjectMapper();
smileMapper = new DefaultObjectMapper(new SmileFactory());
smileMapper.getJsonFactory().setCodec(smileMapper);
}
else if (jsonMapper == null || smileMapper == null) {
throw new ISE("Only jsonMapper[%s] or smileMapper[%s] was set, must set neither or both.", jsonMapper, smileMapper);
}
if (lifecycle == null) {
lifecycle = new Lifecycle();
}
if (props == null) {
props = Initialization.loadProperties();
}
if (configFactory == null) {
configFactory = Config.createFactory(props);
}
return new ExecutorNode(props, lifecycle, jsonMapper, smileMapper, configFactory);
}
}
}

181
merger/src/main/java/com/metamx/druid/merger/worker/http/WorkerNode.java
View File

@ -19,49 +19,31 @@
package com.metamx.druid.merger.worker.http;
import com.fasterxml.jackson.databind.InjectableValues;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.smile.SmileFactory;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.inject.servlet.GuiceFilter;
import com.metamx.common.ISE;
import com.metamx.common.concurrent.ScheduledExecutorFactory;
import com.metamx.common.concurrent.ScheduledExecutors;
import com.metamx.common.config.Config;
import com.metamx.common.lifecycle.Lifecycle;
import com.metamx.common.lifecycle.LifecycleStart;
import com.metamx.common.lifecycle.LifecycleStop;
import com.metamx.druid.BaseServerNode;
import com.metamx.druid.client.ClientConfig;
import com.metamx.druid.client.ClientInventoryManager;
import com.metamx.druid.client.MutableServerView;
import com.metamx.druid.client.OnlyNewSegmentWatcherServerView;
import com.metamx.druid.http.QueryServlet;
import com.metamx.druid.RegisteringNode;
import com.metamx.druid.http.StatusServlet;
import com.metamx.druid.initialization.CuratorConfig;
import com.metamx.druid.initialization.Initialization;
import com.metamx.druid.initialization.ServerConfig;
import com.metamx.druid.initialization.ServerInit;
import com.metamx.druid.initialization.ServiceDiscoveryConfig;
import com.metamx.druid.jackson.DefaultObjectMapper;
import com.metamx.druid.loading.DataSegmentKiller;
import com.metamx.druid.loading.DataSegmentPusher;
import com.metamx.druid.loading.S3DataSegmentKiller;
import com.metamx.druid.merger.common.RetryPolicyFactory;
import com.metamx.druid.merger.common.TaskToolboxFactory;
import com.metamx.druid.merger.common.actions.RemoteTaskActionClientFactory;
import com.metamx.druid.merger.common.config.IndexerZkConfig;
import com.metamx.druid.merger.common.config.RetryPolicyConfig;
import com.metamx.druid.merger.common.config.TaskConfig;
import com.metamx.druid.merger.common.index.StaticS3FirehoseFactory;
import com.metamx.druid.merger.coordinator.ForkingTaskRunner;
import com.metamx.druid.merger.coordinator.config.ForkingTaskRunnerConfig;
import com.metamx.druid.merger.worker.Worker;
import com.metamx.druid.merger.worker.WorkerCuratorCoordinator;
import com.metamx.druid.merger.worker.WorkerTaskMonitor;
import com.metamx.druid.merger.worker.config.WorkerConfig;
import com.metamx.druid.realtime.SegmentAnnouncer;
import com.metamx.druid.realtime.ZkSegmentAnnouncer;
import com.metamx.druid.realtime.ZkSegmentAnnouncerConfig;
import com.metamx.druid.utils.PropUtils;
import com.metamx.emitter.EmittingLogger;
import com.metamx.emitter.core.Emitters;
@ -78,12 +60,8 @@ import com.netflix.curator.framework.CuratorFramework;
import com.netflix.curator.framework.recipes.cache.PathChildrenCache;
import com.netflix.curator.x.discovery.ServiceDiscovery;
import com.netflix.curator.x.discovery.ServiceProvider;
import org.jets3t.service.S3ServiceException;
import org.jets3t.service.impl.rest.httpclient.RestS3Service;
import org.jets3t.service.security.AWSCredentials;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.servlet.Context;
import org.mortbay.jetty.servlet.DefaultServlet;
import org.mortbay.jetty.servlet.ServletHolder;
import org.skife.config.ConfigurationObjectFactory;
@ -96,7 +74,7 @@ import java.util.concurrent.ScheduledExecutorService;
/**
*/
public class WorkerNode extends BaseServerNode<WorkerNode>
public class WorkerNode extends RegisteringNode
{
private static final EmittingLogger log = new EmittingLogger(WorkerNode.class);
@ -107,22 +85,19 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
private final Lifecycle lifecycle;
private final Properties props;
private final ObjectMapper jsonMapper;
private final ConfigurationObjectFactory configFactory;
private RestS3Service s3Service = null;
private List<Monitor> monitors = null;
private HttpClient httpClient = null;
private ServiceEmitter emitter = null;
private TaskConfig taskConfig = null;
private WorkerConfig workerConfig = null;
private DataSegmentPusher segmentPusher = null;
private TaskToolboxFactory taskToolboxFactory = null;
private CuratorFramework curatorFramework = null;
private ServiceDiscovery serviceDiscovery = null;
private ServiceProvider coordinatorServiceProvider = null;
private WorkerCuratorCoordinator workerCuratorCoordinator = null;
private WorkerTaskMonitor workerTaskMonitor = null;
private MutableServerView newSegmentServerView = null;
private Server server = null;
private boolean initialized = false;
@ -131,14 +106,14 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
Properties props,
Lifecycle lifecycle,
ObjectMapper jsonMapper,
ObjectMapper smileMapper,
ConfigurationObjectFactory configFactory
)
{
super(log, props, lifecycle, jsonMapper, smileMapper, configFactory);
super(ImmutableList.of(jsonMapper));
this.lifecycle = lifecycle;
this.props = props;
this.jsonMapper = jsonMapper;
this.configFactory = configFactory;
}
@ -154,24 +129,6 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
return this;
}
public WorkerNode setS3Service(RestS3Service s3Service)
{
this.s3Service = s3Service;
return this;
}
public WorkerNode setSegmentPusher(DataSegmentPusher segmentPusher)
{
this.segmentPusher = segmentPusher;
return this;
}
public WorkerNode setTaskToolboxFactory(TaskToolboxFactory taskToolboxFactory)
{
this.taskToolboxFactory = taskToolboxFactory;
return this;
}
public WorkerNode setCuratorFramework(CuratorFramework curatorFramework)
{
this.curatorFramework = curatorFramework;
@ -196,33 +153,21 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
return this;
}
public WorkerNode setNewSegmentServerView(MutableServerView newSegmentServerView)
{
this.newSegmentServerView = newSegmentServerView;
return this;
}
public WorkerNode setWorkerTaskMonitor(WorkerTaskMonitor workerTaskMonitor)
{
this.workerTaskMonitor = workerTaskMonitor;
return this;
}
@Override
public void doInit() throws Exception
{
initializeHttpClient();
initializeEmitter();
initializeS3Service();
initializeMonitors();
initializeMergerConfig();
initializeCuratorFramework();
initializeServiceDiscovery();
initializeCoordinatorServiceProvider();
initializeNewSegmentServerView();
initializeDataSegmentPusher();
initializeTaskToolbox();
initializeJacksonInjections();
initializeJacksonSubtypes();
initializeCuratorCoordinator();
initializeWorkerTaskMonitor();
@ -241,21 +186,13 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
final Context root = new Context(server, "/", Context.SESSIONS);
root.addServlet(new ServletHolder(new StatusServlet()), "/status");
root.addServlet(new ServletHolder(new DefaultServlet()), "/mmx/*");
root.addServlet(
new ServletHolder(
new QueryServlet(getJsonMapper(), getSmileMapper(), workerTaskMonitor, emitter, getRequestLogger())
),
"/druid/v2/*"
);
root.addFilter(GuiceFilter.class, "/mmx/indexer/worker/v1/*", 0);
}
@LifecycleStart
public synchronized void start() throws Exception
{
if (!initialized) {
init();
doInit();
}
lifecycle.start();
@ -267,6 +204,11 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
lifecycle.stop();
}
private ObjectMapper getJsonMapper()
{
return jsonMapper;
}
private void initializeServer()
{
if (server == null) {
@ -298,16 +240,6 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
}
}
private void initializeJacksonInjections()
{
InjectableValues.Std injectables = new InjectableValues.Std();
injectables.addValue("s3Client", s3Service)
.addValue("segmentPusher", segmentPusher);
getJsonMapper().setInjectableValues(injectables);
}
private void initializeJacksonSubtypes()
{
getJsonMapper().registerSubtypes(StaticS3FirehoseFactory.class);
@ -334,18 +266,6 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
EmittingLogger.registerEmitter(emitter);
}
private void initializeS3Service() throws S3ServiceException
{
if(s3Service == null) {
s3Service = new RestS3Service(
new AWSCredentials(
PropUtils.getProperty(props, "com.metamx.aws.accessKey"),
PropUtils.getProperty(props, "com.metamx.aws.secretKey")
)
);
}
}
private void initializeMonitors()
{
if (monitors == null) {
@ -366,47 +286,6 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
}
}
public void initializeDataSegmentPusher()
{
if (segmentPusher == null) {
segmentPusher = ServerInit.getSegmentPusher(props, configFactory, getJsonMapper());
}
}
public void initializeTaskToolbox() throws S3ServiceException
{
if (taskToolboxFactory == null) {
final DataSegmentKiller dataSegmentKiller = new S3DataSegmentKiller(s3Service);
final SegmentAnnouncer segmentAnnouncer = new ZkSegmentAnnouncer(
configFactory.build(ZkSegmentAnnouncerConfig.class),
getPhoneBook()
);
lifecycle.addManagedInstance(segmentAnnouncer);
taskToolboxFactory = new TaskToolboxFactory(
taskConfig,
new RemoteTaskActionClientFactory(
httpClient,
coordinatorServiceProvider,
new RetryPolicyFactory(
configFactory.buildWithReplacements(
RetryPolicyConfig.class,
ImmutableMap.of("base_path", "druid.worker.taskActionClient")
)
),
getJsonMapper()
),
emitter,
s3Service,
segmentPusher,
dataSegmentKiller,
segmentAnnouncer,
newSegmentServerView,
getConglomerate(),
getJsonMapper()
);
}
}
public void initializeCuratorFramework() throws IOException
{
if (curatorFramework == null) {
@ -454,21 +333,6 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
}
}
private void initializeNewSegmentServerView()
{
if (newSegmentServerView == null) {
final MutableServerView view = new OnlyNewSegmentWatcherServerView();
final ClientInventoryManager clientInventoryManager = new ClientInventoryManager(
getConfigFactory().build(ClientConfig.class),
getPhoneBook(),
view
);
lifecycle.addManagedInstance(clientInventoryManager);
this.newSegmentServerView = view;
}
}
public void initializeWorkerTaskMonitor()
{
if (workerTaskMonitor == null) {
@ -479,10 +343,15 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
false
);
workerTaskMonitor = new WorkerTaskMonitor(
getJsonMapper(),
pathChildrenCache,
curatorFramework,
workerCuratorCoordinator,
taskToolboxFactory,
new ForkingTaskRunner(
configFactory.build(ForkingTaskRunnerConfig.class),
Executors.newFixedThreadPool(workerConfig.getCapacity()),
getJsonMapper()
),
workerExec
);
lifecycle.addManagedInstance(workerTaskMonitor);
@ -492,7 +361,6 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
public static class Builder
{
private ObjectMapper jsonMapper = null;
private ObjectMapper smileMapper = null;
private Lifecycle lifecycle = null;
private Properties props = null;
private ConfigurationObjectFactory configFactory = null;
@ -523,13 +391,8 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
public WorkerNode build()
{
if (jsonMapper == null && smileMapper == null) {
if (jsonMapper == null) {
jsonMapper = new DefaultObjectMapper();
smileMapper = new DefaultObjectMapper(new SmileFactory());
smileMapper.getJsonFactory().setCodec(smileMapper);
}
else if (jsonMapper == null || smileMapper == null) {
throw new ISE("Only jsonMapper[%s] or smileMapper[%s] was set, must set neither or both.", jsonMapper, smileMapper);
}
if (lifecycle == null) {
@ -544,7 +407,7 @@ public class WorkerNode extends BaseServerNode<WorkerNode>
configFactory = Config.createFactory(props);
}
return new WorkerNode(props, lifecycle, jsonMapper, smileMapper, configFactory);
return new WorkerNode(props, lifecycle, jsonMapper, configFactory);
}
}
}

3
merger/src/test/java/com/metamx/druid/merger/coordinator/RemoteTaskRunnerTest.java
View File

@ -281,9 +281,11 @@ public class RemoteTaskRunnerTest
workerCuratorCoordinator.start();
workerTaskMonitor = new WorkerTaskMonitor(
jsonMapper,
new PathChildrenCache(cf, String.format("%s/worker1", tasksPath), true),
cf,
workerCuratorCoordinator,
new ExecutorServiceTaskRunner(
new TaskToolboxFactory(
new TaskConfig()
{
@ -310,6 +312,7 @@ public class RemoteTaskRunnerTest
return null;
}
}, null, null, null, null, null, null, null, null, jsonMapper
), Executors.newSingleThreadExecutor()
),
Executors.newSingleThreadExecutor()
);

2
merger/src/test/java/com/metamx/druid/merger/coordinator/TaskLifecycleTest.java
View File

@ -161,7 +161,7 @@ public class TaskLifecycleTest
new DefaultObjectMapper()
);
tr = new LocalTaskRunner(
tr = new ExecutorServiceTaskRunner(
tb,
Executors.newSingleThreadExecutor()
);