felixcheung commented on a change in pull request #3331: [Zeppelin-4049] Hadoop Submarine (Machine Learning) interpreter URL: https://github.com/apache/zeppelin/pull/3331#discussion_r265410447
########## File path: submarine/src/main/java/org/apache/zeppelin/submarine/SubmarineInterpreter.java ########## @@ -0,0 +1,275 @@ +/* + * Licensed 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.zeppelin.submarine; + +import org.apache.commons.lang.StringUtils; +import org.apache.zeppelin.display.ui.OptionInput.ParamOption; +import org.apache.zeppelin.interpreter.Interpreter; +import org.apache.zeppelin.interpreter.InterpreterContext; +import org.apache.zeppelin.interpreter.InterpreterResult; +import org.apache.zeppelin.interpreter.thrift.InterpreterCompletion; +import org.apache.zeppelin.scheduler.Scheduler; +import org.apache.zeppelin.scheduler.SchedulerFactory; +import org.apache.zeppelin.submarine.commons.SubmarineCommand; +import org.apache.zeppelin.submarine.commons.SubmarineConstants; +import org.apache.zeppelin.submarine.job.SubmarineJob; +import org.apache.zeppelin.submarine.commons.SubmarineUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; +import java.util.List; +import java.util.Properties; + +import static org.apache.zeppelin.submarine.commons.SubmarineCommand.CLEAN_RUNTIME_CACHE; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.CHECKPOINT_PATH; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.CLEAN_CHECKPOINT; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.COMMAND_CLEAN; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.COMMAND_JOB_RUN; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.COMMAND_JOB_SHOW; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.COMMAND_TYPE; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.COMMAND_USAGE; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.INPUT_PATH; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.MACHINELEARING_DISTRIBUTED_ENABLE; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.OPERATION_TYPE; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.PS_LAUNCH_CMD; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.SUBMARINE_ALGORITHM_HDFS_PATH; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.TF_CHECKPOINT_PATH; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.USERNAME_SYMBOL; +import static org.apache.zeppelin.submarine.commons.SubmarineConstants.WORKER_LAUNCH_CMD; +import static org.apache.zeppelin.submarine.commons.SubmarineUtils.unifyKey; + +/** + * SubmarineInterpreter of Hadoop Submarine implementation. + * Support for Hadoop Submarine cli. All the commands documented here + * https://github.com/apache/hadoop/tree/trunk/hadoop-submarine/hadoop-submarine-core + * /src/site/markdown/QuickStart.md is supported. + */ +public class SubmarineInterpreter extends Interpreter { + private Logger LOGGER = LoggerFactory.getLogger(SubmarineInterpreter.class); + + // Number of submarines executed in parallel for each interpreter instance + protected int concurrentExecutedMax = 1; + + private boolean needUpdateConfig = true; + private String currentReplName = ""; + + SubmarineContext submarineContext = null; + + public SubmarineInterpreter(Properties properties) { + super(properties); + + String concurrentMax = getProperty(SubmarineConstants.SUBMARINE_CONCURRENT_MAX, "1"); + concurrentExecutedMax = Integer.parseInt(concurrentMax); + + submarineContext = SubmarineContext.getInstance(); + } + + @Override + public void open() { + LOGGER.info("SubmarineInterpreter open()"); + } + + @Override + public void close() { + submarineContext.stopAllSubmarineJob(); + } + + private void setParagraphConfig(InterpreterContext context) { + String replName = context.getReplName(); + if (StringUtils.equals(currentReplName, replName)) { + currentReplName = context.getReplName(); + needUpdateConfig = true; + } + if (needUpdateConfig) { + needUpdateConfig = false; + if (currentReplName.equals("submarine") || currentReplName.isEmpty()) { Review comment: I mean like install any interpreter with a different name `--name` in https://zeppelin.apache.org/docs/0.8.0/usage/interpreter/installation.html#spark-interpreter-for-scala-210-and-211 or just name it something different - the "Name" box can say "sub" and the "Interpreter" box can be "submarine" https://zeppelin.apache.org/docs/0.8.0/usage/interpreter/overview.html#what-is-zeppelin-interpreter ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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