gerrit.onap Code Review - policy/drools-pdp.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * feature-active-standby-management
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.drools.controller.test;
  22
  23 import static org.junit.Assert.assertTrue;
  24
  25 import java.io.File;
  26 import java.io.FileInputStream;
  27 import java.util.Date;
  28 import java.util.Properties;
  29
  30 import javax.persistence.EntityManager;
  31 import javax.persistence.EntityManagerFactory;
  32 import javax.persistence.EntityTransaction;
  33 import javax.persistence.Persistence;
  34
  35 import org.apache.commons.lang3.time.DateUtils;
  36 import org.junit.After;
  37 import org.junit.AfterClass;
  38 import org.junit.Before;
  39 import org.junit.BeforeClass;
  40 import org.junit.Ignore;
  41 import org.junit.Test;
  42 import org.onap.policy.common.im.StateManagement;
  43 import org.onap.policy.drools.activestandby.ActiveStandbyFeatureAPI;
  44 import org.onap.policy.drools.activestandby.ActiveStandbyProperties;
  45 import org.onap.policy.drools.activestandby.DroolsPdpEntity;
  46 import org.onap.policy.drools.activestandby.DroolsPdpImpl;
  47 import org.onap.policy.drools.activestandby.DroolsPdpsConnector;
  48 import org.onap.policy.drools.activestandby.DroolsPdpsElectionHandler;
  49 import org.onap.policy.drools.activestandby.JpaDroolsPdpsConnector;
  50 import org.onap.policy.drools.core.PolicySessionFeatureAPI;
  51 import org.onap.policy.drools.statemanagement.StateManagementFeatureAPI;
  52 import org.slf4j.Logger;
  53 import org.slf4j.LoggerFactory;
  54
  55 /*
  56  * Testing the allSeemsWell interface to verify that it correctly affects the
  57  * operational state.
  58  */
  59
  60 public class AllSeemsWellTest {
  61         private static final Logger  logger = LoggerFactory.getLogger(AllSeemsWellTest.class);
  62         /*
  63          * Currently, the DroolsPdpsElectionHandler.DesignationWaiter is invoked every 1 seconds, starting
  64          * at the start of the next multiple of pdpUpdateInterval, but with a minimum of 5 sec cushion
  65          * to ensure that we wait for the DesignationWaiter to do its job, before
  66          * checking the results. Add a few seconds for safety
  67          */
  68
  69         long sleepTime = 10000;
  70
  71         /*
  72          * DroolsPdpsElectionHandler runs every 1 seconds, so it takes 10 seconds for the
  73          * checkWaitTimer() method to time out and call allSeemsWell which then requires
  74          * the forward progress counter to go stale which should add an additional 5 sec.
  75          */
  76
  77         long stalledElectionHandlerSleepTime = 15000;
  78
  79         /*
  80          * As soon as the election hander successfully runs, it will resume the forward progress.
  81          * If the election handler runs ever 1 sec and test transaction is run every 1 sec and
  82          * then fpc is written every 1 sec and then the fpc is checked every 2 sec, that could
  83          * take a total of 5 sec to recognize the resumption of progress.  So, add 1 for safety.
  84          */
  85         long resumedElectionHandlerSleepTime = 6000;
  86
  87         private static EntityManagerFactory emfx;
  88         private static EntityManagerFactory emfd;
  89         private static EntityManager emx;
  90         private static EntityManager emd;
  91         private static EntityTransaction et;
  92
  93         private final String configDir = "src/test/resources/asw";
  94
  95         /*
  96          * See the IntegrityMonitor.getJmxUrl() method for the rationale behind this jmx related processing.
  97          */
  98
  99         @BeforeClass
 100         public static void setUpClass() throws Exception {
 101
 102                 String userDir = System.getProperty("user.dir");
 103                 logger.debug("setUpClass: userDir={}", userDir);
 104                 System.setProperty("com.sun.management.jmxremote.port", "9980");
 105                 System.setProperty("com.sun.management.jmxremote.authenticate","false");
 106         }
 107
 108         @AfterClass
 109         public static void tearDownClass() throws Exception {
 110         }
 111
 112         @Before
 113         public void setUp() throws Exception {
 114                 //Create teh data access for xaml db
 115                 Properties stateManagementProperties = new Properties();
 116                 stateManagementProperties.load(new FileInputStream(new File(
 117                                 configDir + "/feature-state-management.properties")));
 118
 119                 emfx = Persistence.createEntityManagerFactory("junitXacmlPU", stateManagementProperties);
 120
 121                 // Create an entity manager to use the DB
 122                 emx = emfx.createEntityManager();
 123
 124                 //Create the data access for drools db
 125                 Properties activeStandbyProperties = new Properties();
 126                 activeStandbyProperties.load(new FileInputStream(new File(
 127                                 configDir + "/feature-active-standby-management.properties")));
 128
 129                 emfd = Persistence.createEntityManagerFactory("junitDroolsPU", activeStandbyProperties);
 130
 131                 // Create an entity manager to use the DB
 132                 emd = emfd.createEntityManager();
 133
 134                 DroolsPdpsElectionHandler.setIsUnitTesting(true);
 135         }
 136
 137         @After
 138         public void tearDown() throws Exception {
 139
 140         }
 141
 142         public void cleanXacmlDb(){
 143                 et = emx.getTransaction();
 144
 145                 et.begin();
 146                 // Make sure we leave the DB clean
 147                 emx.createQuery("DELETE FROM StateManagementEntity").executeUpdate();
 148                 emx.createQuery("DELETE FROM ResourceRegistrationEntity").executeUpdate();
 149                 emx.createQuery("DELETE FROM ForwardProgressEntity").executeUpdate();
 150                 emx.flush();
 151                 et.commit();
 152         }
 153
 154         public void cleanDroolsDb(){
 155                 et = emd.getTransaction();
 156
 157                 et.begin();
 158                 // Make sure we leave the DB clean
 159                 emd.createQuery("DELETE FROM DroolsPdpEntity").executeUpdate();
 160                 emd.flush();
 161                 et.commit();
 162         }
 163
 164
 165         // Tests hot standby when there is only one PDP.
 166
 167         //@Ignore
 168         @Test
 169         public void testAllSeemsWell() throws Exception {
 170
 171                 logger.debug("\n\ntestAllSeemsWell: Entering\n\n");
 172                 cleanXacmlDb();
 173                 cleanDroolsDb();
 174
 175                 logger.debug("testAllSeemsWell: Reading stateManagementProperties");
 176                 Properties stateManagementProperties = new Properties();
 177                 stateManagementProperties.load(new FileInputStream(new File(
 178                                 configDir + "/feature-state-management.properties")));
 179
 180                 logger.debug("testAllSeemsWell: Creating emfXacml");
 181                 EntityManagerFactory emfXacml = Persistence.createEntityManagerFactory(
 182                                 "junitXacmlPU", stateManagementProperties);
 183
 184                 logger.debug("testAllSeemsWell: Reading activeStandbyProperties");
 185                 Properties activeStandbyProperties = new Properties();
 186                 activeStandbyProperties.load(new FileInputStream(new File(
 187                                 configDir + "/feature-active-standby-management.properties")));
 188                 String thisPdpId = activeStandbyProperties
 189                                 .getProperty(ActiveStandbyProperties.NODE_NAME);
 190
 191                 logger.debug("testAllSeemsWell: Creating emfDrools");
 192                 EntityManagerFactory emfDrools = Persistence.createEntityManagerFactory(
 193                                 "junitDroolsPU", activeStandbyProperties);
 194
 195                 DroolsPdpsConnector conn = new JpaDroolsPdpsConnector(emfDrools);
 196
 197                 logger.debug("testAllSeemsWell: Cleaning up tables");
 198                 conn.deleteAllPdps();
 199
 200                 /*
 201                  * Insert this PDP as not designated.  Initial standby state will be
 202                  * either null or cold standby.   Demoting should transit state to
 203                  * hot standby.
 204                  */
 205
 206                 logger.debug("testAllSeemsWell: Inserting PDP={} as not designated", thisPdpId);
 207                 Date yesterday = DateUtils.addDays(new Date(), -1);
 208                 DroolsPdpImpl pdp = new DroolsPdpImpl(thisPdpId, false, 4, yesterday);
 209                 conn.insertPdp(pdp);
 210                 DroolsPdpEntity droolsPdpEntity = conn.getPdp(thisPdpId);
 211                 logger.debug("testAllSeemsWell: After insertion, PDP={} has DESIGNATED={}",
 212                                 thisPdpId, droolsPdpEntity.isDesignated());
 213                 assertTrue(droolsPdpEntity.isDesignated() == false);
 214
 215                 logger.debug("testAllSeemsWell: Instantiating stateManagement object");
 216                 StateManagement sm = new StateManagement(emfXacml, "dummy");
 217                 sm.deleteAllStateManagementEntities();
 218
 219
 220                 // Now we want to create a StateManagementFeature and initialize it.  It will be
 221                 // discovered by the ActiveStandbyFeature when the election handler initializes.
 222
 223                 StateManagementFeatureAPI smf = null;
 224                 for (StateManagementFeatureAPI feature : StateManagementFeatureAPI.impl.getList())
 225                 {
 226                         ((PolicySessionFeatureAPI) feature).globalInit(null, configDir);
 227                         smf = feature;
 228                         logger.debug("testAllSeemsWell stateManagementFeature.getResourceName(): {}", smf.getResourceName());
 229                         break;
 230                 }
 231                 if(smf == null){
 232                         logger.error("testAllSeemsWell failed to initialize.  "
 233                                         + "Unable to get instance of StateManagementFeatureAPI "
 234                                         + "with resourceID: {}", thisPdpId);
 235                         logger.debug("testAllSeemsWell failed to initialize.  "
 236                                         + "Unable to get instance of StateManagementFeatureAPI "
 237                                         + "with resourceID: {}", thisPdpId);
 238                 }
 239
 240                 // Create an ActiveStandbyFeature and initialize it. It will discover the StateManagementFeature
 241                 // that has been created.
 242                 ActiveStandbyFeatureAPI activeStandbyFeature = null;
 243                 for (ActiveStandbyFeatureAPI feature : ActiveStandbyFeatureAPI.impl.getList())
 244                 {
 245                         ((PolicySessionFeatureAPI) feature).globalInit(null, configDir);
 246                         activeStandbyFeature = feature;
 247                         logger.debug("testAllSeemsWell activeStandbyFeature.getResourceName(): {}", activeStandbyFeature.getResourceName());
 248                         break;
 249                 }
 250                 if(activeStandbyFeature == null){
 251                         logger.error("testAllSeemsWell failed to initialize.  "
 252                                         + "Unable to get instance of ActiveStandbyFeatureAPI "
 253                                         + "with resourceID: {}", thisPdpId);
 254                         logger.debug("testAllSeemsWell failed to initialize.  "
 255                                         + "Unable to get instance of ActiveStandbyFeatureAPI "
 256                                         + "with resourceID: {}", thisPdpId);
 257                 }
 258
 259
 260                 logger.debug("testAllSeemsWell: Demoting PDP={}", thisPdpId);
 261                 // demoting should cause state to transit to hotstandby
 262                 smf.demote();
 263
 264
 265                 logger.debug("testAllSeemsWell: Sleeping {} ms, to allow JpaDroolsPdpsConnector "
 266                                 + "time to check droolspdpentity table", sleepTime);
 267                 Thread.sleep(sleepTime);
 268
 269
 270                 // Verify that this formerly un-designated PDP in HOT_STANDBY is now designated and providing service.
 271
 272                 droolsPdpEntity = conn.getPdp(thisPdpId);
 273                 logger.debug("testAllSeemsWell: After sm.demote() invoked, DESIGNATED= {} "
 274                                 + "for PDP= {}", droolsPdpEntity.isDesignated(), thisPdpId);
 275                 assertTrue(droolsPdpEntity.isDesignated() == true);
 276                 String standbyStatus = smf.getStandbyStatus(thisPdpId);
 277                 logger.debug("testAllSeemsWell: After demotion, PDP= {} "
 278                                 + "has standbyStatus= {}", thisPdpId, standbyStatus);
 279                 assertTrue(standbyStatus != null  &&  standbyStatus.equals(StateManagement.PROVIDING_SERVICE));
 280
 281                 //Now we want to stall the election handler and see the if AllSeemsWell will make the
 282                 //standbystatus = coldstandby
 283
 284                 DroolsPdpsElectionHandler.setIsStalled(true);
 285
 286                 logger.debug("testAllSeemsWell: Sleeping {} ms, to allow checkWaitTimer to recognize "
 287                                 + "the election handler has stalled and for the testTransaction to fail to "
 288                                 + "increment forward progress and for the lack of forward progress to be recognized.",
 289                                 stalledElectionHandlerSleepTime);
 290
 291
 292                 //It takes 10x the update interval (1 sec) before the watcher will declare the election handler dead
 293                 //and that just stops forward progress counter.  So, the fp monitor must then run to determine
 294                 //if the fpc has stalled.  That will take about another 5 sec.
 295                 Thread.sleep(stalledElectionHandlerSleepTime);
 296
 297                 logger.debug("testAllSeemsWell: After isStalled=true, PDP= {} "
 298                                 + "has standbyStatus= {}", thisPdpId, smf.getStandbyStatus(thisPdpId));
 299
 300                 assertTrue(smf.getStandbyStatus().equals(StateManagement.COLD_STANDBY));
 301
 302                 //Now lets resume the election handler
 303                 DroolsPdpsElectionHandler.setIsStalled(false);
 304
 305                 Thread.sleep(resumedElectionHandlerSleepTime);
 306
 307                 logger.debug("testAllSeemsWell: After isStalled=false, PDP= {} "
 308                                 + "has standbyStatus= {}", thisPdpId, smf.getStandbyStatus(thisPdpId));
 309
 310                 assertTrue(smf.getStandbyStatus().equals(StateManagement.PROVIDING_SERVICE));
 311
 312                 //resumedElectionHandlerSleepTime = 5000;
 313                 logger.debug("\n\ntestAllSeemsWell: Exiting\n\n");
 314
 315         }
 316 }