| /* |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.reef.bridge.driver.client.grpc; |
| |
| import com.google.protobuf.ByteString; |
| import io.grpc.ManagedChannel; |
| import io.grpc.ManagedChannelBuilder; |
| import org.apache.reef.annotations.audience.Private; |
| import org.apache.reef.bridge.driver.client.IDriverServiceClient; |
| import org.apache.reef.bridge.driver.client.JVMClientProcess; |
| import org.apache.reef.bridge.driver.client.grpc.parameters.DriverServicePort; |
| import org.apache.reef.bridge.proto.*; |
| import org.apache.reef.bridge.proto.Void; |
| import org.apache.reef.driver.context.ContextConfiguration; |
| import org.apache.reef.driver.evaluator.EvaluatorRequest; |
| import org.apache.reef.runtime.common.utils.ExceptionCodec; |
| import org.apache.reef.tang.Configuration; |
| import org.apache.reef.tang.annotations.Parameter; |
| import org.apache.reef.tang.formats.ConfigurationSerializer; |
| import org.apache.reef.util.Optional; |
| |
| import javax.inject.Inject; |
| import java.io.File; |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * The client that exposes methods for communicating back to the |
| * driver service. |
| */ |
| @Private |
| public final class DriverServiceClient implements IDriverServiceClient { |
| |
| private final ExceptionCodec exceptionCodec; |
| |
| private final ConfigurationSerializer configurationSerializer; |
| |
| private final DriverServiceGrpc.DriverServiceFutureStub serviceStub; |
| |
| @Inject |
| private DriverServiceClient( |
| final ConfigurationSerializer configurationSerializer, |
| final ExceptionCodec exceptionCodec, |
| @Parameter(DriverServicePort.class) final Integer driverServicePort) { |
| this.configurationSerializer = configurationSerializer; |
| this.exceptionCodec = exceptionCodec; |
| final ManagedChannel channel = ManagedChannelBuilder |
| .forAddress("localhost", driverServicePort) |
| .usePlaintext(true) |
| .build(); |
| this.serviceStub = DriverServiceGrpc.newFutureStub(channel); |
| } |
| |
| public void registerDriverClientService(final String host, final int port) { |
| this.serviceStub.registerDriverClient( |
| DriverClientRegistration.newBuilder() |
| .setHost(host) |
| .setPort(port) |
| .build()); |
| } |
| |
| @Override |
| public void onInitializationException(final Throwable ex) { |
| final Future<Void> callComplete = this.serviceStub.registerDriverClient( |
| DriverClientRegistration.newBuilder() |
| .setException(ExceptionInfo.newBuilder() |
| .setName(ex.getCause() != null ? ex.getCause().toString() : ex.toString()) |
| .setMessage(ex.getMessage() == null ? ex.toString() : ex.getMessage()) |
| .setData(ByteString.copyFrom(exceptionCodec.toBytes(ex))) |
| .build()) |
| .build()); |
| try { |
| callComplete.get(5, TimeUnit.SECONDS); |
| } catch (ExecutionException | TimeoutException | InterruptedException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void onShutdown() { |
| this.serviceStub.shutdown(ShutdownRequest.newBuilder().build()); |
| } |
| |
| @Override |
| public void onShutdown(final Throwable ex) { |
| this.serviceStub.shutdown(ShutdownRequest.newBuilder() |
| .setException(ExceptionInfo.newBuilder() |
| .setName(ex.getCause() != null ? ex.getCause().toString() : ex.toString()) |
| .setMessage(ex.getMessage() == null ? ex.toString() : ex.getMessage()) |
| .setData(ByteString.copyFrom(exceptionCodec.toBytes(ex))) |
| .build()) |
| .build()); |
| } |
| |
| @Override |
| public void onSetAlarm(final String alarmId, final int timeoutMS) { |
| this.serviceStub.setAlarm( |
| AlarmRequest.newBuilder() |
| .setAlarmId(alarmId) |
| .setTimeoutMs(timeoutMS) |
| .build()); |
| } |
| |
| @Override |
| public void onEvaluatorRequest(final EvaluatorRequest evaluatorRequest) { |
| this.serviceStub.requestResources( |
| ResourceRequest.newBuilder() |
| .setCores(evaluatorRequest.getNumberOfCores()) |
| .setMemorySize(evaluatorRequest.getMegaBytes()) |
| .setRelaxLocality(evaluatorRequest.getRelaxLocality()) |
| .setResourceCount(evaluatorRequest.getNumber()) |
| .setRuntimeName(evaluatorRequest.getRuntimeName()) |
| .addAllRackNameList(evaluatorRequest.getRackNames()) |
| .addAllNodeNameList(evaluatorRequest.getNodeNames()) |
| .build()); |
| } |
| |
| @Override |
| public void onEvaluatorClose(final String evalautorId) { |
| this.serviceStub.allocatedEvaluatorOp( |
| AllocatedEvaluatorRequest.newBuilder() |
| .setEvaluatorId(evalautorId) |
| .setCloseEvaluator(true) |
| .build()); |
| } |
| |
| @Override |
| public void onEvaluatorSubmit( |
| final String evaluatorId, |
| final Optional<Configuration> contextConfiguration, |
| final Optional<Configuration> taskConfiguration, |
| final Optional<JVMClientProcess> evaluatorProcess, |
| final Optional<List<File>> addFileList, |
| final Optional<List<File>> addLibraryList) { |
| final AllocatedEvaluatorRequest.Builder builder = |
| AllocatedEvaluatorRequest.newBuilder().setEvaluatorId(evaluatorId); |
| if (addFileList.isPresent()) { |
| for (final File file : addFileList.get()) { |
| builder.addAddFiles(file.getAbsolutePath()); |
| } |
| } |
| if (addLibraryList.isPresent()) { |
| for (final File file : addLibraryList.get()) { |
| builder.addAddLibraries(file.getAbsolutePath()); |
| } |
| } |
| if (evaluatorProcess.isPresent()) { |
| final JVMClientProcess rawEP = evaluatorProcess.get(); |
| builder.setSetProcess( |
| AllocatedEvaluatorRequest.EvaluatorProcessRequest.newBuilder() |
| .setConfigurationFileName(rawEP.getConfigurationFileName()) |
| .setMemoryMb(rawEP.getMemory()) |
| .setStandardOut(rawEP.getStandardOut()) |
| .setStandardErr(rawEP.getStandardErr()) |
| .addAllOptions(rawEP.getOptions()) |
| .build()); |
| } |
| if (contextConfiguration.isPresent()) { |
| builder.setContextConfiguration( |
| this.configurationSerializer.toString(contextConfiguration.get())); |
| } else { |
| builder.setContextConfiguration(this.configurationSerializer.toString(ContextConfiguration.CONF |
| .set(ContextConfiguration.IDENTIFIER, "context-" + evaluatorId) |
| .build())); |
| } |
| if (taskConfiguration.isPresent()) { |
| builder.setTaskConfiguration( |
| this.configurationSerializer.toString(taskConfiguration.get())); |
| } |
| this.serviceStub.allocatedEvaluatorOp(builder.build()); |
| } |
| |
| // Context Operations |
| |
| @Override |
| public void onContextClose(final String contextId) { |
| this.serviceStub.activeContextOp( |
| ActiveContextRequest.newBuilder() |
| .setContextId(contextId) |
| .setCloseContext(true) |
| .build()); |
| } |
| |
| @Override |
| public void onContextSubmitContext( |
| final String contextId, |
| final Configuration contextConfiguration) { |
| this.serviceStub.activeContextOp( |
| ActiveContextRequest.newBuilder() |
| .setContextId(contextId) |
| .setNewContextRequest(this.configurationSerializer.toString(contextConfiguration)) |
| .build()); |
| } |
| |
| @Override |
| public void onContextSubmitTask( |
| final String contextId, |
| final Configuration taskConfiguration) { |
| this.serviceStub.activeContextOp( |
| ActiveContextRequest.newBuilder() |
| .setContextId(contextId) |
| .setNewTaskRequest(this.configurationSerializer.toString(taskConfiguration)) |
| .build()); |
| } |
| |
| @Override |
| public void onContextMessage(final String contextId, final byte[] message) { |
| this.serviceStub.activeContextOp( |
| ActiveContextRequest.newBuilder() |
| .setContextId(contextId) |
| .setMessage(ByteString.copyFrom(message)) |
| .build()); |
| } |
| |
| // Task operations |
| |
| @Override |
| public void onTaskClose(final String taskId, final Optional<byte[]> message) { |
| this.serviceStub.runningTaskOp(message.isPresent() ? |
| RunningTaskRequest.newBuilder() |
| .setTaskId(taskId) |
| .setOperation(RunningTaskRequest.Operation.CLOSE) |
| .setMessage(ByteString.copyFrom(message.get())) |
| .build() : |
| RunningTaskRequest.newBuilder() |
| .setTaskId(taskId) |
| .setOperation(RunningTaskRequest.Operation.CLOSE) |
| .build()); |
| } |
| |
| @Override |
| public void onTaskMessage(final String taskId, final byte[] message) { |
| this.serviceStub.runningTaskOp(RunningTaskRequest.newBuilder() |
| .setTaskId(taskId) |
| .setOperation(RunningTaskRequest.Operation.SEND_MESSAGE) |
| .setMessage(ByteString.copyFrom(message)) |
| .build()); |
| } |
| |
| @Override |
| public void onSuspendTask(final String taskId, final Optional<byte[]> message) { |
| this.serviceStub.runningTaskOp(message.isPresent() ? |
| RunningTaskRequest.newBuilder() |
| .setTaskId(taskId) |
| .setOperation(RunningTaskRequest.Operation.SUSPEND) |
| .setMessage(ByteString.copyFrom(message.get())) |
| .build() : |
| RunningTaskRequest.newBuilder() |
| .setTaskId(taskId) |
| .setOperation(RunningTaskRequest.Operation.SUSPEND) |
| .build()); |
| } |
| } |