/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* 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 com.linkedin.pinot.server.integration;
import com.linkedin.pinot.common.data.DataManager;
import com.linkedin.pinot.core.indexsegment.columnar.ColumnarSegmentMetadataLoader;
import com.linkedin.pinot.core.indexsegment.generator.SegmentGeneratorConfig;
import com.linkedin.pinot.core.segment.creator.SegmentIndexCreationDriver;
import com.linkedin.pinot.core.segment.creator.impl.SegmentCreationDriverFactory;
import com.linkedin.pinot.server.conf.ServerConf;
import com.linkedin.pinot.server.starter.ServerInstance;
import com.linkedin.pinot.server.starter.helix.DefaultHelixStarterServerConfig;
import com.linkedin.pinot.server.util.SegmentTestUtils;
import com.linkedin.pinot.util.TestUtils;
import com.yammer.metrics.core.MetricsRegistry;
import java.io.File;
import java.util.concurrent.TimeUnit;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
public class HelixStarterTest {
private static final Logger LOGGER = LoggerFactory.getLogger(HelixStarterTest.class);
private static final String AVRO_DATA = "data/test_sample_data.avro";
private static final File INDEX_DIR = new File(FileUtils.getTempDirectory() + File.separator + "HelixStarterTest");
private static final ColumnarSegmentMetadataLoader columnarSegmentMetadataLoader =
new ColumnarSegmentMetadataLoader();
@BeforeClass
public void setup() {
FileUtils.deleteQuietly(INDEX_DIR);
Assert.assertTrue(INDEX_DIR.mkdirs());
}
@Test
public void testSingleHelixServerStartAndTakingSegment()
throws Exception {
Configuration pinotHelixProperties = new PropertiesConfiguration();
pinotHelixProperties.addProperty("pinot.server.instance.id", "localhost:0000");
ServerConf serverConf = DefaultHelixStarterServerConfig.getDefaultHelixServerConfig(pinotHelixProperties);
ServerInstance serverInstance = new ServerInstance();
serverInstance.init(serverConf, new MetricsRegistry());
serverInstance.start();
File segmentDir0 = new File(INDEX_DIR, "segment0");
setupSegment(segmentDir0, "testTable0");
File[] segment0Files = segmentDir0.listFiles();
Assert.assertNotNull(segment0Files);
File segmentDir1 = new File(INDEX_DIR, "segment1");
setupSegment(segmentDir1, "testTable1");
File[] segment1Files = segmentDir1.listFiles();
Assert.assertNotNull(segment1Files);
File segmentDir2 = new File(INDEX_DIR, "segment2");
setupSegment(segmentDir2, "testTable2");
File[] segment2Files = segmentDir2.listFiles();
Assert.assertNotNull(segment2Files);
DataManager instanceDataManager = serverInstance.getInstanceDataManager();
instanceDataManager.addSegment(
columnarSegmentMetadataLoader.loadIndexSegmentMetadataFromDir(segment0Files[0].getAbsolutePath()), null, null);
instanceDataManager.addSegment(
columnarSegmentMetadataLoader.loadIndexSegmentMetadataFromDir(segment1Files[0].getAbsolutePath()), null, null);
instanceDataManager.addSegment(
columnarSegmentMetadataLoader.loadIndexSegmentMetadataFromDir(segment2Files[0].getAbsolutePath()), null, null);
}
private void setupSegment(File segmentDir, String tableName)
throws Exception {
String filePath = TestUtils.getFileFromResourceUrl(getClass().getClassLoader().getResource(AVRO_DATA));
SegmentGeneratorConfig config =
SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(new File(filePath), segmentDir, TimeUnit.DAYS,
tableName, null);
SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
driver.init(config);
driver.build();
LOGGER.info("Table: {} built at path: {}", tableName, segmentDir.getAbsolutePath());
}
@AfterClass
public void tearDown() {
FileUtils.deleteQuietly(INDEX_DIR);
}
}