ihuzenko commented on a change in pull request #1613: DRILL-6977: Improve Hive tests configuration URL: https://github.com/apache/drill/pull/1613#discussion_r249484499
########## File path: contrib/storage-hive/core/src/test/java/org/apache/drill/exec/hive/HiveTestFixture.java ########## @@ -0,0 +1,263 @@ +/* + * 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.drill.exec.hive; + +import java.io.File; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Map; +import java.util.Objects; +import java.util.function.Consumer; + +import org.apache.drill.common.exceptions.ErrorHelper; +import org.apache.drill.common.exceptions.ExecutionSetupException; +import org.apache.drill.exec.server.Drillbit; +import org.apache.drill.exec.store.StoragePluginRegistry; +import org.apache.drill.exec.store.hive.HiveStoragePlugin; +import org.apache.drill.exec.store.hive.HiveStoragePluginConfig; +import org.apache.drill.test.BaseDirTestWatcher; +import org.apache.hadoop.fs.FileSystem; +import org.apache.hadoop.hive.conf.HiveConf; +import org.apache.hadoop.hive.conf.HiveConf.ConfVars; +import org.apache.hadoop.hive.ql.Driver; +import org.apache.hadoop.hive.ql.session.SessionState; + +import static java.util.Objects.nonNull; +import static java.util.Objects.requireNonNull; +import static org.apache.drill.exec.hive.HiveTestUtilities.createDirWithPosixPermissions; + + +/** + * Test fixture for configuration of Hive tests, which + * allows granular control over initialization of test data + * and hive storage plugin. + * <p> + * Below is example of usage HiveTestFixture along with ClusterFixture: + * <p> + * <pre><code> + * // Note that HiveTestFixture don't require extension of ClusterTest, + * // this is just the simplest way for configuring test drillbit + * public class HiveTestExample extends ClusterTest { + * + * private static HiveTestFixture hiveTestFixture; + * + * {@literal @}BeforeClass + * public static void setUp() throws Exception { + * startCluster(ClusterFixture.builder(dirTestWatcher)); + * + * // Below is minimal config which uses defaults from HiveTestFixture.Builder + * // constructor, but any option for driver or storage plugin may be + * // overridden using builder's methods + * hiveTestFixture = HiveTestFixture.builder(dirTestWatcher).build(); + * + * // Use driver manager to configure test data in Hive metastore + * hiveTestFixture.getDriverManager().doWithinSession(HiveTestExample::generateData); + * + * // Use plugin manager to add, remove, update hive storage plugin of one or many test drillbits + * hiveTestFixture.getPluginManager().addHivePluginTo(cluster.drillbits()); + * } + * + * private static void generateData(Driver driver) { + * // Set up data using HiveTestUtilities.executeQuery(driver, sql) + * } + * + * {@literal @}AfterClass + * public static void tearDown() throws Exception { + * if (nonNull(hiveTestFixture)) { + * hiveTestFixture.getPluginManager().removeHivePluginFrom(cluster.drillbits()); + * } + * } + * } + * </code></pre> + */ +public class HiveTestFixture { + + + private final Map<String, String> pluginConf; + + private final Map<String, String> driverConf; + + private final String pluginName; + + private final HivePluginManager pluginManager; + + private final HiveDriverManager driverManager; + + private HiveTestFixture(Builder builder) { + this.pluginConf = new HashMap<>(builder.pluginConf); + this.driverConf = new HashMap<>(builder.driverConf); + this.pluginName = builder.pluginName; + this.pluginManager = new HivePluginManager(); + this.driverManager = new HiveDriverManager(); + } + + public static Builder builder(BaseDirTestWatcher dirWatcher) { + return builder(requireNonNull(dirWatcher, "Parameter 'dirWatcher' can't be null!").getRootDir()); + } + + public static Builder builder(File baseDir) { + return new Builder(requireNonNull(baseDir, "Parameter 'baseDir' can't be null!")); + } + + public HivePluginManager getPluginManager() { + return pluginManager; + } + + public HiveDriverManager getDriverManager() { + return driverManager; + } + + public String getWarehouseDir() { + String warehouseDir = pluginConf.get(ConfVars.METASTOREWAREHOUSE.varname); + return nonNull(warehouseDir) ? warehouseDir : driverConf.get(ConfVars.METASTOREWAREHOUSE.varname); + } + + public class HivePluginManager { + + private HivePluginManager() { + } + + public void addHivePluginTo(Drillbit... drillbits) { + addHivePluginTo(Arrays.asList(drillbits)); + } + + public void addHivePluginTo(Iterable<Drillbit> drillbits) { + try { + for (Drillbit drillbit : drillbits) { + HiveStoragePluginConfig pluginConfig = new HiveStoragePluginConfig(new HashMap<>(pluginConf)); + pluginConfig.setEnabled(true); + drillbit.getContext().getStorage().createOrUpdate(pluginName, pluginConfig, true); + } + } catch (ExecutionSetupException e) { + ErrorHelper.sneakyThrow(e); + } + } + + public void removeHivePluginFrom(Drillbit... drillbits) { + removeHivePluginFrom(Arrays.asList(drillbits)); + } + + public void removeHivePluginFrom(Iterable<Drillbit> drillbits) { + drillbits.forEach(bit -> bit.getContext().getStorage().deletePlugin(pluginName)); + } + + public void updateHivePlugin(Iterable<Drillbit> drillbits, + Map<String, String> configOverride) { + try { + for (Drillbit drillbit : drillbits) { + StoragePluginRegistry pluginRegistry = drillbit.getContext().getStorage(); + HiveStoragePlugin storagePlugin = Objects.requireNonNull( + (HiveStoragePlugin) pluginRegistry.getPlugin(pluginName), + String.format("Hive storage plugin with name '%s' doesn't exist.", pluginName)); + + HiveStoragePluginConfig newPluginConfig = storagePlugin.getConfig(); + newPluginConfig.getConfigProps().putAll(configOverride); + pluginRegistry.createOrUpdate(pluginName, newPluginConfig, true); + } + } catch (ExecutionSetupException e) { + ErrorHelper.sneakyThrow(e); + } + } + + } + + public class HiveDriverManager { + + private HiveDriverManager() { + } + + public void doWithinSession(Consumer<Driver> driverConsumer) { + final HiveConf hiveConf = new HiveConf(SessionState.class); + driverConf.forEach(hiveConf::set); + SessionState ss = new SessionState(hiveConf); + try (AutoCloseable toBeClosed = ss::close) { + SessionState.start(ss); + driverConsumer.accept(new Driver(hiveConf)); + } catch (Exception e) { + ErrorHelper.sneakyThrow(e); Review comment: Narrowed and re-thrown as runtime. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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