| /* |
| * 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.ignite.tensorflow.cluster.tfrunning; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.Ignition; |
| import org.apache.ignite.tensorflow.cluster.spec.TensorFlowClusterSpec; |
| import org.apache.ignite.tensorflow.cluster.spec.TensorFlowServerAddressSpec; |
| import org.apache.ignite.tensorflow.cluster.util.TensorFlowProcessBuilderSupplier; |
| import org.apache.ignite.tensorflow.core.ProcessManager; |
| import org.apache.ignite.tensorflow.core.ProcessManagerWrapper; |
| import org.apache.ignite.tensorflow.core.nativerunning.NativeProcess; |
| import org.apache.ignite.tensorflow.core.nativerunning.NativeProcessManager; |
| |
| /** |
| * TensorFlow server manager that allows to start, stop and make other actions with TensorFlow servers. |
| */ |
| public class TensorFlowServerManager extends ProcessManagerWrapper<NativeProcess, TensorFlowServer> { |
| /** TensorFlow server script formatter. */ |
| private static final TensorFlowServerScriptFormatter scriptFormatter = new TensorFlowServerScriptFormatter(); |
| |
| /** |
| * Constructs a new instance of TensorFlow server manager. |
| * |
| * @param ignite Ignite instance. |
| */ |
| public TensorFlowServerManager(Ignite ignite) { |
| this(new NativeProcessManager(ignite)); |
| } |
| |
| /** |
| * Constructs a new instance of TensorFlow server manager. |
| * |
| * @param delegate Delegate. |
| */ |
| public TensorFlowServerManager(ProcessManager<NativeProcess> delegate) { |
| super(delegate); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected NativeProcess transformSpecification(TensorFlowServer spec) { |
| return new NativeProcess( |
| new TensorFlowProcessBuilderSupplier( |
| true, |
| true, |
| "job:" + spec.getJobName(), |
| "task:" + spec.getTaskIdx() |
| ), |
| scriptFormatter.format(spec, true, Ignition.ignite()), |
| getNode(spec) |
| ); |
| } |
| |
| /** |
| * Extracts the cluster node server should be running on. |
| * |
| * @param spec TensorFlow server specification. |
| * @return Node identifier. |
| */ |
| private UUID getNode(TensorFlowServer spec) { |
| TensorFlowClusterSpec clusterSpec = spec.getClusterSpec(); |
| Map<String, List<TensorFlowServerAddressSpec>> jobs = clusterSpec.getJobs(); |
| List<TensorFlowServerAddressSpec> tasks = jobs.get(spec.getJobName()); |
| TensorFlowServerAddressSpec addr = tasks.get(spec.getTaskIdx()); |
| |
| return addr.getNodeId(); |
| } |
| } |