/**
* 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.
*/
//The tests here are heavily based on some timing, so there is some chance to fail.
package org.apache.hadoop.hive.hooks;
import java.io.Serializable;
import java.lang.Override;
import java.sql.Statement;
import java.util.List;
import java.util.Properties;
import junit.framework.Assert;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.ql.hooks.ExecuteWithHookContext;
import org.apache.hadoop.hive.ql.hooks.HookContext;
import org.apache.hadoop.hive.ql.hooks.HookContext.HookType;
import org.apache.hadoop.hive.ql.parse.ASTNode;
import org.apache.hadoop.hive.ql.parse.HiveSemanticAnalyzerHook;
import org.apache.hadoop.hive.ql.parse.HiveSemanticAnalyzerHookContext;
import org.apache.hadoop.hive.ql.parse.SemanticException;
import org.apache.hadoop.hive.ql.exec.Task;
import org.apache.hive.jdbc.HiveConnection;
import org.apache.hive.service.server.HiveServer2;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tests information retrieved from hooks.
*/
public class TestHs2Hooks {
private static final Logger LOG = LoggerFactory.getLogger(TestHs2Hooks.class);
private static HiveServer2 hiveServer2;
public static class PostExecHook implements ExecuteWithHookContext {
public static String userName;
public static String ipAddress;
public static String operation;
public static Throwable error;
public void run(HookContext hookContext) {
try {
if (hookContext.getHookType().equals(HookType.POST_EXEC_HOOK)) {
ipAddress = hookContext.getIpAddress();
userName = hookContext.getUserName();
operation = hookContext.getOperationName();
}
} catch (Throwable t) {
LOG.error("Error in PostExecHook: " + t, t);
error = t;
}
}
}
public static class PreExecHook implements ExecuteWithHookContext {
public static String userName;
public static String ipAddress;
public static String operation;
public static Throwable error;
public void run(HookContext hookContext) {
try {
if (hookContext.getHookType().equals(HookType.PRE_EXEC_HOOK)) {
ipAddress = hookContext.getIpAddress();
userName = hookContext.getUserName();
operation = hookContext.getOperationName();
}
} catch (Throwable t) {
LOG.error("Error in PreExecHook: " + t, t);
error = t;
}
}
}
public static class SemanticAnalysisHook implements HiveSemanticAnalyzerHook {
public static String userName;
public static String command;
public static String ipAddress;
public static Throwable preAnalyzeError;
public static Throwable postAnalyzeError;
@Override
public ASTNode preAnalyze(HiveSemanticAnalyzerHookContext context,
ASTNode ast) throws SemanticException {
try {
userName = context.getUserName();
ipAddress = context.getIpAddress();
command = context.getCommand();
} catch (Throwable t) {
LOG.error("Error in semantic analysis hook preAnalyze: " + t, t);
preAnalyzeError = t;
}
return ast;
}
@Override
public void postAnalyze(HiveSemanticAnalyzerHookContext context,
List<Task<? extends Serializable>> rootTasks) throws SemanticException {
try {
userName = context.getUserName();
ipAddress = context.getIpAddress();
command = context.getCommand();
} catch (Throwable t) {
LOG.error("Error in semantic analysis hook postAnalyze: " + t, t);
postAnalyzeError = t;
}
}
}
/**
* @throws java.lang.Exception
*/
@BeforeClass
public static void setUpBeforeClass() throws Exception {
HiveConf hiveConf = new HiveConf();
hiveConf.setVar(HiveConf.ConfVars.PREEXECHOOKS,
PreExecHook.class.getName());
hiveConf.setVar(HiveConf.ConfVars.POSTEXECHOOKS,
PostExecHook.class.getName());
hiveConf.setVar(HiveConf.ConfVars.SEMANTIC_ANALYZER_HOOK,
SemanticAnalysisHook.class.getName());
hiveServer2 = new HiveServer2();
hiveServer2.init(hiveConf);
hiveServer2.start();
Thread.sleep(2000);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
if (hiveServer2 != null) {
hiveServer2.stop();
}
}
@Before
public void setUpTest() throws Exception {
PreExecHook.userName = null;
PreExecHook.ipAddress = null;
PreExecHook.operation = null;
PreExecHook.error = null;
PostExecHook.userName = null;
PostExecHook.ipAddress = null;
PostExecHook.operation = null;
PostExecHook.error = null;
SemanticAnalysisHook.userName = null;
SemanticAnalysisHook.ipAddress = null;
SemanticAnalysisHook.command = null;
SemanticAnalysisHook.preAnalyzeError = null;
SemanticAnalysisHook.postAnalyzeError = null;
}
/**
* Test that hook context properties are correctly set.
*/
@Test
public void testHookContexts() throws Throwable {
Properties connProp = new Properties();
connProp.setProperty("user", System.getProperty("user.name"));
connProp.setProperty("password", "");
HiveConnection connection = new HiveConnection("jdbc:hive2://localhost:10000/default", connProp);
Statement stmt = connection.createStatement();
stmt.executeQuery("show databases");
stmt.executeQuery("show tables");
Throwable error = PostExecHook.error;
if (error != null) {
throw error;
}
error = PreExecHook.error;
if (error != null) {
throw error;
}
Assert.assertEquals(System.getProperty("user.name"), PostExecHook.userName);
Assert.assertNotNull(PostExecHook.ipAddress, "ipaddress is null");
Assert.assertNotNull(PostExecHook.userName, "userName is null");
Assert.assertNotNull(PostExecHook.operation , "operation is null");
Assert.assertTrue(PostExecHook.ipAddress, PostExecHook.ipAddress.contains("127.0.0.1"));
Assert.assertEquals("SHOWTABLES", PostExecHook.operation);
Assert.assertEquals(System.getProperty("user.name"), PreExecHook.userName);
Assert.assertNotNull(PreExecHook.ipAddress, "ipaddress is null");
Assert.assertNotNull(PreExecHook.userName, "userName is null");
Assert.assertNotNull(PreExecHook.operation , "operation is null");
Assert.assertTrue(PreExecHook.ipAddress, PreExecHook.ipAddress.contains("127.0.0.1"));
Assert.assertEquals("SHOWTABLES", PreExecHook.operation);
error = SemanticAnalysisHook.preAnalyzeError;
if (error != null) {
throw error;
}
error = SemanticAnalysisHook.postAnalyzeError;
if (error != null) {
throw error;
}
Assert.assertNotNull(SemanticAnalysisHook.ipAddress,
"semantic hook context ipaddress is null");
Assert.assertNotNull(SemanticAnalysisHook.userName,
"semantic hook context userName is null");
Assert.assertNotNull(SemanticAnalysisHook.command ,
"semantic hook context command is null");
Assert.assertTrue(SemanticAnalysisHook.ipAddress,
SemanticAnalysisHook.ipAddress.contains("127.0.0.1"));
Assert.assertEquals("show tables", SemanticAnalysisHook.command);
}
}