opendaylight/config/config-manager/src/test/java/org/opendaylight/controller/config/manager/testingservices/threadpool/test/SimpleConfigurationTest.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.config.manager.testingservices.threadpool.test;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.junit.Assert.fail;
  15
  16 import com.google.common.collect.Sets;
  17 import java.util.Arrays;
  18 import java.util.Collections;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.Set;
  22 import java.util.concurrent.ThreadPoolExecutor;
  23 import javax.management.DynamicMBean;
  24 import javax.management.InstanceAlreadyExistsException;
  25 import javax.management.InstanceNotFoundException;
  26 import javax.management.MBeanException;
  27 import javax.management.ObjectName;
  28 import javax.management.ReflectionException;
  29 import org.junit.After;
  30 import org.junit.Before;
  31 import org.junit.Test;
  32 import org.opendaylight.controller.config.api.ConflictingVersionException;
  33 import org.opendaylight.controller.config.api.ValidationException;
  34 import org.opendaylight.controller.config.api.ValidationException.ExceptionMessageWithStackTrace;
  35 import org.opendaylight.controller.config.api.jmx.CommitStatus;
  36 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
  37 import org.opendaylight.controller.config.manager.impl.AbstractConfigTest;
  38 import org.opendaylight.controller.config.manager.impl.factoriesresolver.HardcodedModuleFactoriesResolver;
  39 import org.opendaylight.controller.config.manager.testingservices.threadpool.TestingFixedThreadPool;
  40 import org.opendaylight.controller.config.manager.testingservices.threadpool.TestingFixedThreadPoolConfigMXBean;
  41 import org.opendaylight.controller.config.manager.testingservices.threadpool.TestingFixedThreadPoolModuleFactory;
  42 import org.opendaylight.controller.config.util.ConfigTransactionClient;
  43 import org.opendaylight.controller.config.util.ConfigTransactionJMXClient;
  44
  45 /**
  46  * Tests basic functionality of configuration registry:
  47  * <ol>
  48  * <li>Creation of instance</li>
  49  * <li>Destruction of instance</li>
  50  * <li>Reconfiguration of live object</li>
  51  * <li>Reconfiguration that triggers new object creation</li>
  52  * <li>Replacement of running instance with different one with same name</li>
  53  * </ol>
  54  * Only one bean is being configured - {@link TestingThreadPoolIfc} which has no
  55  * dependencies.
  56  */
  57 public class SimpleConfigurationTest extends AbstractConfigTest {
  58     private static final int numberOfThreads = 5;
  59     private final int numberOfThreads2 = 10;
  60     private static final String fixed1 = "fixed1";
  61     private static final List<ObjectName> emptyONs = Collections
  62             .<ObjectName> emptyList();
  63     private static final ObjectName platformFixed1ON = ObjectNameUtil
  64             .createReadOnlyModuleON(TestingFixedThreadPoolModuleFactory.NAME, fixed1);
  65     private static final List<ObjectName> fixed1List = Arrays
  66             .asList(platformFixed1ON);
  67
  68     @Before
  69     public void setUp() {
  70         super.initConfigTransactionManagerImpl(new HardcodedModuleFactoriesResolver(mockedContext,
  71                 new TestingFixedThreadPoolModuleFactory()));
  72     }
  73
  74     @After
  75     public void tearDown() {
  76         TestingFixedThreadPool.cleanUp();
  77     }
  78
  79     private ObjectName firstCommit() throws Exception {
  80         ConfigTransactionJMXClient transaction = configRegistryClient
  81                 .createTransaction();
  82
  83         ObjectName fixed1names = createFixedThreadPool(transaction);
  84
  85         // commit
  86         assertEquals(1, configRegistryClient.getOpenConfigs().size());
  87         CommitStatus commitStatus = transaction.commit();
  88         assertEquals(0, configRegistryClient.getOpenConfigs().size());
  89         CommitStatus expected = new CommitStatus(Arrays.asList(ObjectNameUtil
  90                 .withoutTransactionName(fixed1names)), emptyONs, emptyONs);
  91         assertEquals(expected, commitStatus);
  92
  93         assertEquals(1, TestingFixedThreadPool.allExecutors.size());
  94         assertFalse(TestingFixedThreadPool.allExecutors.get(0).isShutdown());
  95         return fixed1names;
  96     }
  97
  98     static ObjectName createFixedThreadPool(
  99             ConfigTransactionJMXClient transaction)
 100             throws InstanceAlreadyExistsException, InstanceNotFoundException {
 101         transaction.assertVersion(0, 1);
 102
 103         ObjectName fixed1names = transaction.createModule(
 104                 TestingFixedThreadPoolModuleFactory.NAME, fixed1);
 105         TestingFixedThreadPoolConfigMXBean fixedConfigProxy = transaction
 106                 .newMXBeanProxy(fixed1names, TestingFixedThreadPoolConfigMXBean.class);
 107         fixedConfigProxy.setThreadCount(numberOfThreads);
 108
 109         ObjectName retrievedNames = transaction.lookupConfigBean(
 110                 TestingFixedThreadPoolModuleFactory.NAME, fixed1);
 111         assertEquals(fixed1names, retrievedNames);
 112         return fixed1names;
 113     }
 114
 115     @Test
 116     public void testCreateAndDestroyBeanInSameTransaction() throws Exception {
 117         ConfigTransactionJMXClient transaction = configRegistryClient
 118                 .createTransaction();
 119         ObjectName fixed1names = createFixedThreadPool(transaction);
 120         transaction.destroyModule(fixed1names);
 121         CommitStatus commitStatus = transaction.commit();
 122         assertStatus(commitStatus, 0, 0, 0);
 123
 124     }
 125
 126     @Test
 127     public void testValidationUsingJMXClient() throws Exception {
 128         ConfigTransactionClient transaction = configRegistryClient
 129                 .createTransaction();
 130         testValidation(transaction);
 131     }
 132
 133
 134     private void testValidation(ConfigTransactionClient transaction)
 135             throws InstanceAlreadyExistsException, ReflectionException,
 136             InstanceNotFoundException, MBeanException, ConflictingVersionException {
 137         ObjectName fixed1names = transaction.createModule(
 138                 TestingFixedThreadPoolModuleFactory.NAME, fixed1);
 139         // call validate on config bean
 140         try {
 141             platformMBeanServer.invoke(fixed1names, "validate", new Object[0],
 142                     new String[0]);
 143             fail();
 144         } catch (MBeanException e) {
 145             Exception targetException = e.getTargetException();
 146             assertNotNull(targetException);
 147             assertEquals(ValidationException.class, targetException.getClass());
 148         }
 149
 150         // validate config bean
 151         try {
 152             transaction.validateBean(fixed1names);
 153             fail();
 154         } catch (ValidationException e) {
 155             for (Map.Entry<String, Map<String, ExceptionMessageWithStackTrace>> exception : e
 156                     .getFailedValidations().entrySet()) {
 157                 for (Map.Entry<String, ExceptionMessageWithStackTrace> entry : exception
 158                         .getValue().entrySet()) {
 159                     assertEquals(
 160                             "Parameter 'threadCount' must be greater than 0",
 161                             entry.getValue().getMessage());
 162                 }
 163             }
 164         }
 165         // validate transaction
 166         try {
 167             transaction.validateConfig();
 168             fail();
 169         } catch (ValidationException e) {
 170             for (Map.Entry<String, Map<String, ExceptionMessageWithStackTrace>> exception : e
 171                     .getFailedValidations().entrySet()) {
 172                 for (Map.Entry<String, ExceptionMessageWithStackTrace> entry : exception
 173                         .getValue().entrySet()) {
 174                     assertEquals(
 175                             "Parameter 'threadCount' must be greater than 0",
 176                             entry.getValue().getMessage());
 177                 }
 178             }
 179         }
 180         try {
 181             transaction.commit();
 182         } catch (ValidationException e) {
 183             for (Map.Entry<String, Map<String, ExceptionMessageWithStackTrace>> exception : e
 184                     .getFailedValidations().entrySet()) {
 185                 for (Map.Entry<String, ExceptionMessageWithStackTrace> entry : exception
 186                         .getValue().entrySet()) {
 187                     assertEquals(
 188                             "Parameter 'threadCount' must be greater than 0",
 189                             entry.getValue().getMessage());
 190                 }
 191             }
 192         }
 193     }
 194
 195     @Test
 196     public void test_createThreadPool_changeNumberOfThreads() throws Exception {
 197         firstCommit();
 198         ConfigTransactionJMXClient transaction = configRegistryClient
 199                 .createTransaction();
 200         TestingFixedThreadPoolConfigMXBean fixedConfigProxy = startReconfiguringFixed1ThreadPool(transaction);
 201         assertEquals(numberOfThreads, fixedConfigProxy.getThreadCount());
 202         fixedConfigProxy.setThreadCount(numberOfThreads2);
 203         CommitStatus commitStatus = transaction.commit();
 204         checkThreadPools(1, numberOfThreads2);
 205         CommitStatus expected = new CommitStatus(emptyONs, fixed1List, emptyONs);
 206         assertEquals(expected, commitStatus);
 207     }
 208
 209     @Test
 210     public void test_createFixedThreadPool_destroyIt() throws Exception {
 211         // 1, start transaction, create new fixed thread pool
 212         ObjectName fixed1name = firstCommit();
 213
 214         // 2, check that configuration was copied to platform
 215         ObjectName on = ObjectNameUtil.withoutTransactionName(fixed1name);
 216         platformMBeanServer.getMBeanInfo(on);
 217         assertEquals(numberOfThreads, platformMBeanServer.getAttribute(on, "ThreadCount"));
 218
 219         // 3, shutdown fixed1 in new transaction
 220         assertFalse(TestingFixedThreadPool.allExecutors.get(0).isShutdown());
 221         ConfigTransactionJMXClient transaction = configRegistryClient
 222                 .createTransaction();
 223
 224         // check versions
 225         transaction.assertVersion(1, 2);
 226
 227         // test that it was copied to new transaction
 228         ObjectName retrievedName = transaction.lookupConfigBean(
 229                 TestingFixedThreadPoolModuleFactory.NAME, fixed1);
 230         assertNotNull(retrievedName);
 231
 232         // check that number of threads was copied from dynamic
 233
 234         TestingFixedThreadPoolConfigMXBean fixedConfigProxy = transaction
 235                 .newMXBeanProxy(retrievedName, TestingFixedThreadPoolConfigMXBean.class);
 236         assertEquals(numberOfThreads, fixedConfigProxy.getThreadCount());
 237
 238         // destroy
 239         transaction.destroyModule(ObjectNameUtil.createTransactionModuleON(
 240                 transaction.getTransactionName(),
 241                 TestingFixedThreadPoolModuleFactory.NAME, fixed1));
 242         transaction.commit();
 243
 244         // 4, check
 245         assertEquals(2, configRegistryClient.getVersion());
 246         assertEquals(0, TestingFixedThreadPool.allExecutors.size());
 247
 248         // dynamic config should be removed from platform
 249         try {
 250             platformMBeanServer.getMBeanInfo(on);
 251             fail();
 252         } catch (Exception e) {
 253             assertTrue(e instanceof InstanceNotFoundException);
 254         }
 255     }
 256
 257     @Test
 258     public void testReplaceFixed1() throws Exception {
 259         // 1, start transaction, create new fixed thread pool
 260         firstCommit();
 261         // destroy and recreate with different # of threads
 262         ConfigTransactionJMXClient transaction = configRegistryClient
 263                 .createTransaction();
 264
 265         transaction.destroyModule(ObjectNameUtil.createTransactionModuleON(
 266                 transaction.getTransactionName(),
 267                 TestingFixedThreadPoolModuleFactory.NAME, fixed1));
 268
 269         ObjectName fixed1name = transaction.createModule(
 270                 TestingFixedThreadPoolModuleFactory.NAME, fixed1);
 271         TestingFixedThreadPoolConfigMXBean fixedConfigProxy = transaction
 272                 .newMXBeanProxy(fixed1name, TestingFixedThreadPoolConfigMXBean.class);
 273         fixedConfigProxy.setThreadCount(numberOfThreads2);
 274         // commit
 275         transaction.commit();
 276         // check that first threadpool is closed
 277         checkThreadPools(1, numberOfThreads2);
 278     }
 279
 280     private void checkThreadPools(int expectedTotalNumberOfExecutors,
 281             int expectedNumberOfThreadsInLastExecutor) {
 282         assertEquals(expectedTotalNumberOfExecutors,
 283                 TestingFixedThreadPool.allExecutors.size());
 284         for (int i = 0; i < expectedTotalNumberOfExecutors - 1; i++) {
 285             assertTrue(TestingFixedThreadPool.allExecutors.get(i).isShutdown());
 286         }
 287         ThreadPoolExecutor lastExecutor = TestingFixedThreadPool.allExecutors
 288                 .get(expectedTotalNumberOfExecutors - 1);
 289         assertFalse(lastExecutor.isShutdown());
 290         assertEquals(expectedNumberOfThreadsInLastExecutor,
 291                 lastExecutor.getMaximumPoolSize());
 292     }
 293
 294     @Test
 295     public void testTriggerRecreatingInstance() throws Exception {
 296         // 1, start transaction, create new fixed thread pool
 297         firstCommit();
 298         // switch boolean to create new instance
 299         ConfigTransactionJMXClient transaction = configRegistryClient
 300                 .createTransaction();
 301         TestingFixedThreadPoolConfigMXBean fixedConfigProxy = startReconfiguringFixed1ThreadPool(transaction);
 302
 303         fixedConfigProxy.setTriggerNewInstanceCreation(true);
 304         // commit
 305         CommitStatus commitStatus = transaction.commit();
 306         // check that new threadpool is created and old one is closed
 307         checkThreadPools(1, numberOfThreads);
 308         CommitStatus expected = new CommitStatus(emptyONs, emptyONs, fixed1List);
 309         assertEquals(expected, commitStatus);
 310     }
 311
 312     // return MBeanProxy for 'fixed1' and current transaction
 313     private TestingFixedThreadPoolConfigMXBean startReconfiguringFixed1ThreadPool(
 314             ConfigTransactionJMXClient transaction)
 315             throws InstanceNotFoundException {
 316         ObjectName fixed1name = transaction.lookupConfigBean(
 317                 TestingFixedThreadPoolModuleFactory.NAME, fixed1);
 318
 319         TestingFixedThreadPoolConfigMXBean fixedConfigProxy = transaction
 320                 .newMXBeanProxy(fixed1name, TestingFixedThreadPoolConfigMXBean.class);
 321         return fixedConfigProxy;
 322     }
 323
 324     @Test
 325     public void testAbort() throws Exception {
 326         ConfigTransactionJMXClient transaction = configRegistryClient
 327                 .createTransaction();
 328         assertEquals(1, configRegistryClient.getOpenConfigs().size());
 329
 330         transaction.abortConfig();
 331         assertEquals(0, configRegistryClient.getOpenConfigs().size());
 332         try {
 333             platformMBeanServer.getMBeanInfo(transaction.getObjectName());
 334             fail();
 335         }catch(InstanceNotFoundException e){
 336             assertEquals("org.opendaylight.controller:TransactionName=ConfigTransaction-0-1,type=ConfigTransaction", e.getMessage());
 337         }
 338     }
 339
 340     @Test
 341     public void testOptimisticLock_ConfigTransactionClient() throws Exception {
 342         ConfigTransactionJMXClient transaction1 = configRegistryClient
 343                 .createTransaction();
 344         ConfigTransactionJMXClient transaction2 = configRegistryClient
 345                 .createTransaction();
 346         transaction2.assertVersion(0, 2);
 347         transaction2.commit();
 348         try {
 349             transaction1.commit();
 350             fail();
 351         } catch (ConflictingVersionException e) {
 352             assertEquals(
 353                     "Optimistic lock failed. Expected parent version 2, was 0",
 354                     e.getMessage());
 355         }
 356     }
 357
 358     @Test
 359     public void testOptimisticLock_ConfigRegistry() throws Exception {
 360         ConfigTransactionJMXClient transaction1 = configRegistryClient
 361                 .createTransaction();
 362         ConfigTransactionJMXClient transaction2 = configRegistryClient
 363                 .createTransaction();
 364         transaction2.assertVersion(0, 2);
 365         transaction2.commit();
 366         try {
 367             configRegistryClient.commitConfig(transaction1.getObjectName());
 368             fail();
 369         } catch (ConflictingVersionException e) {
 370             assertEquals(
 371                     "Optimistic lock failed. Expected parent version 2, was 0",
 372                     e.getMessage());
 373         }
 374     }
 375
 376
 377     @Test
 378     public void testQNames() {
 379         Set<String> availableModuleFactoryQNames = configRegistryClient.getAvailableModuleFactoryQNames();
 380         String expected = "(namespace?revision=2012-12-12)name";
 381
 382         assertEquals(Sets.newHashSet(expected), availableModuleFactoryQNames);
 383     }
 384
 385 }