2 * ============LICENSE_START=======================================================
3 * feature-active-standby-management
4 * ================================================================================
5 * Copyright (C) 2017-2018 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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
21 package org.onap.policy.drools.controller.test;
23 import static org.junit.Assert.assertTrue;
26 import java.io.FileInputStream;
27 import java.util.Date;
28 import java.util.Properties;
30 import javax.persistence.EntityManager;
31 import javax.persistence.EntityManagerFactory;
32 import javax.persistence.EntityTransaction;
33 import javax.persistence.Persistence;
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.Test;
41 import org.onap.policy.common.im.StateManagement;
42 import org.onap.policy.drools.activestandby.ActiveStandbyFeatureAPI;
43 import org.onap.policy.drools.activestandby.ActiveStandbyProperties;
44 import org.onap.policy.drools.activestandby.DroolsPdpEntity;
45 import org.onap.policy.drools.activestandby.DroolsPdpImpl;
46 import org.onap.policy.drools.activestandby.DroolsPdpsConnector;
47 import org.onap.policy.drools.activestandby.DroolsPdpsElectionHandler;
48 import org.onap.policy.drools.activestandby.JpaDroolsPdpsConnector;
49 import org.onap.policy.drools.core.PolicySessionFeatureAPI;
50 import org.onap.policy.drools.statemanagement.StateManagementFeatureAPI;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
55 * Testing the allSeemsWell interface to verify that it correctly affects the
59 public class AllSeemsWellTest {
60 private static final Logger logger = LoggerFactory.getLogger(AllSeemsWellTest.class);
62 * Currently, the DroolsPdpsElectionHandler.DesignationWaiter is invoked every 1 seconds, starting
63 * at the start of the next multiple of pdpUpdateInterval, but with a minimum of 5 sec cushion
64 * to ensure that we wait for the DesignationWaiter to do its job, before
65 * checking the results. Add a few seconds for safety
68 long sleepTime = 10000;
71 * DroolsPdpsElectionHandler runs every 1 seconds, so it takes 10 seconds for the
72 * checkWaitTimer() method to time out and call allSeemsWell which then requires
73 * the forward progress counter to go stale which should add an additional 5 sec.
76 long stalledElectionHandlerSleepTime = 15000;
79 * As soon as the election hander successfully runs, it will resume the forward progress.
80 * If the election handler runs ever 1 sec and test transaction is run every 1 sec and
81 * then fpc is written every 1 sec and then the fpc is checked every 2 sec, that could
82 * take a total of 5 sec to recognize the resumption of progress. So, add 1 for safety.
84 long resumedElectionHandlerSleepTime = 6000;
86 private static EntityManagerFactory emfx;
87 private static EntityManagerFactory emfd;
88 private static EntityManager emx;
89 private static EntityManager emd;
90 private static EntityTransaction et;
92 private final String configDir = "src/test/resources/asw";
95 * See the IntegrityMonitor.getJmxUrl() method for the rationale behind this jmx related processing.
101 * @throws Exception exception
104 public static void setUpClass() throws Exception {
106 String userDir = System.getProperty("user.dir");
107 logger.debug("setUpClass: userDir={}", userDir);
108 System.setProperty("com.sun.management.jmxremote.port", "9980");
109 System.setProperty("com.sun.management.jmxremote.authenticate","false");
113 public static void tearDownClass() throws Exception {
119 * @throws Exception exception
122 public void setUp() throws Exception {
123 //Create teh data access for xaml db
124 Properties stateManagementProperties = new Properties();
125 stateManagementProperties.load(new FileInputStream(new File(
126 configDir + "/feature-state-management.properties")));
128 emfx = Persistence.createEntityManagerFactory("junitXacmlPU", stateManagementProperties);
130 // Create an entity manager to use the DB
131 emx = emfx.createEntityManager();
133 //Create the data access for drools db
134 Properties activeStandbyProperties = new Properties();
135 activeStandbyProperties.load(new FileInputStream(new File(
136 configDir + "/feature-active-standby-management.properties")));
138 emfd = Persistence.createEntityManagerFactory("junitDroolsPU", activeStandbyProperties);
140 // Create an entity manager to use the DB
141 emd = emfd.createEntityManager();
143 DroolsPdpsElectionHandler.setIsUnitTesting(true);
147 public void tearDown() throws Exception {
152 * Clean the xacml database.
154 public void cleanXacmlDb() {
155 et = emx.getTransaction();
158 // Make sure we leave the DB clean
159 emx.createQuery("DELETE FROM StateManagementEntity").executeUpdate();
160 emx.createQuery("DELETE FROM ResourceRegistrationEntity").executeUpdate();
161 emx.createQuery("DELETE FROM ForwardProgressEntity").executeUpdate();
167 * Clean the drools database.
169 public void cleanDroolsDb() {
170 et = emd.getTransaction();
173 // Make sure we leave the DB clean
174 emd.createQuery("DELETE FROM DroolsPdpEntity").executeUpdate();
180 // Tests hot standby when there is only one PDP.
184 public void testAllSeemsWell() throws Exception {
186 logger.debug("\n\ntestAllSeemsWell: Entering\n\n");
190 logger.debug("testAllSeemsWell: Reading stateManagementProperties");
191 Properties stateManagementProperties = new Properties();
192 stateManagementProperties.load(new FileInputStream(new File(
193 configDir + "/feature-state-management.properties")));
195 logger.debug("testAllSeemsWell: Creating emfXacml");
196 final EntityManagerFactory emfXacml = Persistence.createEntityManagerFactory(
197 "junitXacmlPU", stateManagementProperties);
199 logger.debug("testAllSeemsWell: Reading activeStandbyProperties");
200 Properties activeStandbyProperties = new Properties();
201 activeStandbyProperties.load(new FileInputStream(new File(
202 configDir + "/feature-active-standby-management.properties")));
203 final String thisPdpId = activeStandbyProperties
204 .getProperty(ActiveStandbyProperties.NODE_NAME);
206 logger.debug("testAllSeemsWell: Creating emfDrools");
207 EntityManagerFactory emfDrools = Persistence.createEntityManagerFactory(
208 "junitDroolsPU", activeStandbyProperties);
210 DroolsPdpsConnector conn = new JpaDroolsPdpsConnector(emfDrools);
212 logger.debug("testAllSeemsWell: Cleaning up tables");
213 conn.deleteAllPdps();
216 * Insert this PDP as not designated. Initial standby state will be
217 * either null or cold standby. Demoting should transit state to
221 logger.debug("testAllSeemsWell: Inserting PDP={} as not designated", thisPdpId);
222 Date yesterday = DateUtils.addDays(new Date(), -1);
223 DroolsPdpImpl pdp = new DroolsPdpImpl(thisPdpId, false, 4, yesterday);
225 DroolsPdpEntity droolsPdpEntity = conn.getPdp(thisPdpId);
226 logger.debug("testAllSeemsWell: After insertion, PDP={} has DESIGNATED={}",
227 thisPdpId, droolsPdpEntity.isDesignated());
228 assertTrue(droolsPdpEntity.isDesignated() == false);
230 logger.debug("testAllSeemsWell: Instantiating stateManagement object");
231 StateManagement sm = new StateManagement(emfXacml, "dummy");
232 sm.deleteAllStateManagementEntities();
235 // Now we want to create a StateManagementFeature and initialize it. It will be
236 // discovered by the ActiveStandbyFeature when the election handler initializes.
238 StateManagementFeatureAPI smf = null;
239 for (StateManagementFeatureAPI feature : StateManagementFeatureAPI.impl.getList()) {
240 ((PolicySessionFeatureAPI) feature).globalInit(null, configDir);
242 logger.debug("testAllSeemsWell stateManagementFeature.getResourceName(): {}", smf.getResourceName());
246 logger.error("testAllSeemsWell failed to initialize. "
247 + "Unable to get instance of StateManagementFeatureAPI "
248 + "with resourceID: {}", thisPdpId);
249 logger.debug("testAllSeemsWell failed to initialize. "
250 + "Unable to get instance of StateManagementFeatureAPI "
251 + "with resourceID: {}", thisPdpId);
254 // Create an ActiveStandbyFeature and initialize it. It will discover the StateManagementFeature
255 // that has been created.
256 ActiveStandbyFeatureAPI activeStandbyFeature = null;
257 for (ActiveStandbyFeatureAPI feature : ActiveStandbyFeatureAPI.impl.getList()) {
258 ((PolicySessionFeatureAPI) feature).globalInit(null, configDir);
259 activeStandbyFeature = feature;
260 logger.debug("testAllSeemsWell activeStandbyFeature.getResourceName(): {}",
261 activeStandbyFeature.getResourceName());
264 if (activeStandbyFeature == null) {
265 logger.error("testAllSeemsWell failed to initialize. "
266 + "Unable to get instance of ActiveStandbyFeatureAPI "
267 + "with resourceID: {}", thisPdpId);
268 logger.debug("testAllSeemsWell failed to initialize. "
269 + "Unable to get instance of ActiveStandbyFeatureAPI "
270 + "with resourceID: {}", thisPdpId);
274 logger.debug("testAllSeemsWell: Demoting PDP={}", thisPdpId);
275 // demoting should cause state to transit to hotstandby
279 logger.debug("testAllSeemsWell: Sleeping {} ms, to allow JpaDroolsPdpsConnector "
280 + "time to check droolspdpentity table", sleepTime);
284 // Verify that this formerly un-designated PDP in HOT_STANDBY is now designated and providing service.
286 droolsPdpEntity = conn.getPdp(thisPdpId);
287 logger.debug("testAllSeemsWell: After sm.demote() invoked, DESIGNATED= {} "
288 + "for PDP= {}", droolsPdpEntity.isDesignated(), thisPdpId);
289 assertTrue(droolsPdpEntity.isDesignated() == true);
290 String standbyStatus = smf.getStandbyStatus(thisPdpId);
291 logger.debug("testAllSeemsWell: After demotion, PDP= {} "
292 + "has standbyStatus= {}", thisPdpId, standbyStatus);
293 assertTrue(standbyStatus != null && standbyStatus.equals(StateManagement.PROVIDING_SERVICE));
295 //Now we want to stall the election handler and see the if AllSeemsWell will make the
296 //standbystatus = coldstandby
298 DroolsPdpsElectionHandler.setIsStalled(true);
300 logger.debug("testAllSeemsWell: Sleeping {} ms, to allow checkWaitTimer to recognize "
301 + "the election handler has stalled and for the testTransaction to fail to "
302 + "increment forward progress and for the lack of forward progress to be recognized.",
303 stalledElectionHandlerSleepTime);
306 //It takes 10x the update interval (1 sec) before the watcher will declare the election handler dead
307 //and that just stops forward progress counter. So, the fp monitor must then run to determine
308 //if the fpc has stalled. That will take about another 5 sec.
309 sleep(stalledElectionHandlerSleepTime);
311 logger.debug("testAllSeemsWell: After isStalled=true, PDP= {} "
312 + "has standbyStatus= {}", thisPdpId, smf.getStandbyStatus(thisPdpId));
314 assertTrue(smf.getStandbyStatus().equals(StateManagement.COLD_STANDBY));
316 //Now lets resume the election handler
317 DroolsPdpsElectionHandler.setIsStalled(false);
319 sleep(resumedElectionHandlerSleepTime);
321 logger.debug("testAllSeemsWell: After isStalled=false, PDP= {} "
322 + "has standbyStatus= {}", thisPdpId, smf.getStandbyStatus(thisPdpId));
324 assertTrue(smf.getStandbyStatus().equals(StateManagement.PROVIDING_SERVICE));
326 //resumedElectionHandlerSleepTime = 5000;
327 logger.debug("\n\ntestAllSeemsWell: Exiting\n\n");
331 private void sleep(long sleepms) throws InterruptedException {
332 Thread.sleep(sleepms);