DolphinScheduler/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/worker/task/spark/SparkTaskTest.java

/*
 * 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.
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package org.apache.dolphinscheduler.server.worker.task.spark;

import org.apache.dolphinscheduler.common.enums.SparkVersion;
import org.apache.dolphinscheduler.common.process.Property;
import org.apache.dolphinscheduler.common.task.spark.SparkParameters;
import org.apache.dolphinscheduler.common.utils.*;
import org.apache.dolphinscheduler.common.utils.ParameterUtils;
import org.apache.dolphinscheduler.common.utils.StringUtils;
import org.apache.dolphinscheduler.server.utils.ParamUtils;
import org.apache.dolphinscheduler.server.utils.SparkArgsUtils;
import org.apache.dolphinscheduler.server.worker.task.TaskProps;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;


public class SparkTaskTest {

    private static final Logger logger = LoggerFactory.getLogger(SparkTaskTest.class);

    /**
     * spark1 command
     */
    private static final String SPARK1_COMMAND = "${SPARK_HOME1}/bin/spark-submit";

    /**
     * spark2 command
     */
    private static final String SPARK2_COMMAND = "${SPARK_HOME2}/bin/spark-submit";

    @Test
    public void testSparkTaskInit() {

        TaskProps taskProps = new TaskProps();

        String spark1Params = "{" +
                "\"mainArgs\":\"\", " +
                "\"driverMemory\":\"1G\", " +
                "\"executorMemory\":\"2G\", " +
                "\"programType\":\"SCALA\", " +
                "\"mainClass\":\"basicetl.GlobalUserCar\", " +
                "\"driverCores\":\"2\", " +
                "\"deployMode\":\"cluster\", " +
                "\"executorCores\":2, " +
                "\"mainJar\":{\"res\":\"test-1.0-SNAPSHOT.jar\"}, " +
                "\"sparkVersion\":\"SPARK1\", " +
                "\"numExecutors\":\"10\", " +
                "\"localParams\":[], " +
                "\"others\":\"\", " +
                "\"resourceList\":[]" +
                "}";

        String spark2Params = "{" +
                "\"mainArgs\":\"\", " +
                "\"driverMemory\":\"1G\", " +
                "\"executorMemory\":\"2G\", " +
                "\"programType\":\"SCALA\", " +
                "\"mainClass\":\"basicetl.GlobalUserCar\", " +
                "\"driverCores\":\"2\", " +
                "\"deployMode\":\"cluster\", " +
                "\"executorCores\":2, " +
                "\"mainJar\":{\"res\":\"test-1.0-SNAPSHOT.jar\"}, " +
                "\"sparkVersion\":\"SPARK2\", " +
                "\"numExecutors\":\"10\", " +
                "\"localParams\":[], " +
                "\"others\":\"\", " +
                "\"resourceList\":[]" +
                "}";

        taskProps.setTaskParams(spark2Params);

        logger.info("spark task params {}", taskProps.getTaskParams());

        SparkParameters sparkParameters = JSONUtils.parseObject(taskProps.getTaskParams(), SparkParameters.class);

        assert sparkParameters != null;
        if (!sparkParameters.checkParameters()) {
            throw new RuntimeException("spark task params is not valid");
        }
        sparkParameters.setQueue(taskProps.getQueue());

        if (StringUtils.isNotEmpty(sparkParameters.getMainArgs())) {
            String args = sparkParameters.getMainArgs();

            /**
             *  combining local and global parameters
             */
            Map<String, Property> paramsMap = ParamUtils.convert(taskProps.getUserDefParamsMap(),
                    taskProps.getDefinedParams(),
                    sparkParameters.getLocalParametersMap(),
                    taskProps.getCmdTypeIfComplement(),
                    taskProps.getScheduleTime());
            if (paramsMap != null) {
                args = ParameterUtils.convertParameterPlaceholders(args, ParamUtils.convert(paramsMap));
            }
            sparkParameters.setMainArgs(args);
        }

        List<String> args = new ArrayList<>();

        //spark version
        String sparkCommand = SPARK2_COMMAND;

        if (SparkVersion.SPARK1.name().equals(sparkParameters.getSparkVersion())) {
            sparkCommand = SPARK1_COMMAND;
        }

        args.add(sparkCommand);

        // other parameters
        args.addAll(SparkArgsUtils.buildArgs(sparkParameters));

        String sparkArgs = String.join(" ", args);

        logger.info("spark task command : {}", sparkArgs);

        Assert.assertEquals(SPARK2_COMMAND, sparkArgs.split(" ")[0]);

    }
}