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;
29 import java.util.function.Supplier;
30 import javax.persistence.EntityManager;
31 import javax.persistence.EntityManagerFactory;
32 import javax.persistence.EntityTransaction;
33 import javax.persistence.Persistence;
34 import org.apache.commons.lang3.time.DateUtils;
35 import org.junit.After;
36 import org.junit.AfterClass;
37 import org.junit.Before;
38 import org.junit.BeforeClass;
39 import org.junit.Test;
40 import org.onap.policy.common.im.StateManagement;
41 import org.onap.policy.drools.activestandby.ActiveStandbyFeatureAPI;
42 import org.onap.policy.drools.activestandby.ActiveStandbyProperties;
43 import org.onap.policy.drools.activestandby.DroolsPdpEntity;
44 import org.onap.policy.drools.activestandby.DroolsPdpImpl;
45 import org.onap.policy.drools.activestandby.DroolsPdpsConnector;
46 import org.onap.policy.drools.activestandby.DroolsPdpsElectionHandler;
47 import org.onap.policy.drools.activestandby.JpaDroolsPdpsConnector;
48 import org.onap.policy.drools.core.PolicySessionFeatureAPI;
49 import org.onap.policy.drools.statemanagement.StateManagementFeatureAPI;
50 import org.slf4j.Logger;
51 import org.slf4j.LoggerFactory;
54 * Testing the allSeemsWell interface to verify that it correctly affects the
58 public class AllSeemsWellTest {
59 private static final Logger logger = LoggerFactory.getLogger(AllSeemsWellTest.class);
61 * Currently, the DroolsPdpsElectionHandler.DesignationWaiter is invoked every 1 seconds, starting
62 * at the start of the next multiple of pdpUpdateInterval, but with a minimum of 5 sec cushion
63 * to ensure that we wait for the DesignationWaiter to do its job, before
64 * checking the results. Add a few seconds for safety
67 private static int SLEEP_TIME_SEC = 10;
70 * DroolsPdpsElectionHandler runs every 1 seconds, so it takes 10 seconds for the
71 * checkWaitTimer() method to time out and call allSeemsWell which then requires
72 * the forward progress counter to go stale which should add an additional 5 sec.
75 private static int STALLED_ELECTION_HANDLER_SLEEP_TIME_SEC = 15;
78 * As soon as the election hander successfully runs, it will resume the forward progress.
79 * If the election handler runs ever 1 sec and test transaction is run every 1 sec and
80 * then fpc is written every 1 sec and then the fpc is checked every 2 sec, that could
81 * take a total of 5 sec to recognize the resumption of progress. So, add 1 for safety.
83 private static int RESUMED_ELECTION_HANDLER_SLEEP_TIME_SEC = 6;
85 private static EntityManagerFactory emfx;
86 private static EntityManagerFactory emfd;
87 private static EntityManager emx;
88 private static EntityManager emd;
89 private static EntityTransaction et;
91 private final String configDir = "src/test/resources/asw";
94 * See the IntegrityMonitor.getJmxUrl() method for the rationale behind this jmx related processing.
100 * @throws Exception exception
103 public static void setUpClass() throws Exception {
105 String userDir = System.getProperty("user.dir");
106 logger.debug("setUpClass: userDir={}", userDir);
107 System.setProperty("com.sun.management.jmxremote.port", "9980");
108 System.setProperty("com.sun.management.jmxremote.authenticate","false");
112 public static void tearDownClass() throws Exception {
118 * @throws Exception exception
121 public void setUp() throws Exception {
122 //Create teh data access for xaml db
123 Properties stateManagementProperties = new Properties();
124 stateManagementProperties.load(new FileInputStream(new File(
125 configDir + "/feature-state-management.properties")));
127 emfx = Persistence.createEntityManagerFactory("junitXacmlPU", stateManagementProperties);
129 // Create an entity manager to use the DB
130 emx = emfx.createEntityManager();
132 //Create the data access for drools db
133 Properties activeStandbyProperties = new Properties();
134 activeStandbyProperties.load(new FileInputStream(new File(
135 configDir + "/feature-active-standby-management.properties")));
137 emfd = Persistence.createEntityManagerFactory("junitDroolsPU", activeStandbyProperties);
139 // Create an entity manager to use the DB
140 emd = emfd.createEntityManager();
142 DroolsPdpsElectionHandler.setIsUnitTesting(true);
146 public void tearDown() throws Exception {
151 * Clean the xacml database.
153 public void cleanXacmlDb() {
154 et = emx.getTransaction();
157 // Make sure we leave the DB clean
158 emx.createQuery("DELETE FROM StateManagementEntity").executeUpdate();
159 emx.createQuery("DELETE FROM ResourceRegistrationEntity").executeUpdate();
160 emx.createQuery("DELETE FROM ForwardProgressEntity").executeUpdate();
166 * Clean the drools database.
168 public void cleanDroolsDb() {
169 et = emd.getTransaction();
172 // Make sure we leave the DB clean
173 emd.createQuery("DELETE FROM DroolsPdpEntity").executeUpdate();
179 // Tests hot standby when there is only one PDP.
183 public void testAllSeemsWell() throws Exception {
185 logger.debug("\n\ntestAllSeemsWell: Entering\n\n");
189 logger.debug("testAllSeemsWell: Reading stateManagementProperties");
190 Properties stateManagementProperties = new Properties();
191 stateManagementProperties.load(new FileInputStream(new File(
192 configDir + "/feature-state-management.properties")));
194 logger.debug("testAllSeemsWell: Creating emfXacml");
195 final EntityManagerFactory emfXacml = Persistence.createEntityManagerFactory(
196 "junitXacmlPU", stateManagementProperties);
198 logger.debug("testAllSeemsWell: Reading activeStandbyProperties");
199 Properties activeStandbyProperties = new Properties();
200 activeStandbyProperties.load(new FileInputStream(new File(
201 configDir + "/feature-active-standby-management.properties")));
202 final String thisPdpId = activeStandbyProperties
203 .getProperty(ActiveStandbyProperties.NODE_NAME);
205 logger.debug("testAllSeemsWell: Creating emfDrools");
206 EntityManagerFactory emfDrools = Persistence.createEntityManagerFactory(
207 "junitDroolsPU", activeStandbyProperties);
209 DroolsPdpsConnector conn = new JpaDroolsPdpsConnector(emfDrools);
211 logger.debug("testAllSeemsWell: Cleaning up tables");
212 conn.deleteAllPdps();
215 * Insert this PDP as not designated. Initial standby state will be
216 * either null or cold standby. Demoting should transit state to
220 logger.debug("testAllSeemsWell: Inserting PDP={} as not designated", thisPdpId);
221 Date yesterday = DateUtils.addDays(new Date(), -1);
222 DroolsPdpImpl pdp = new DroolsPdpImpl(thisPdpId, false, 4, yesterday);
224 DroolsPdpEntity droolsPdpEntity = conn.getPdp(thisPdpId);
225 logger.debug("testAllSeemsWell: After insertion, PDP={} has DESIGNATED={}",
226 thisPdpId, droolsPdpEntity.isDesignated());
227 assertTrue(droolsPdpEntity.isDesignated() == false);
229 logger.debug("testAllSeemsWell: Instantiating stateManagement object");
230 StateManagement sm = new StateManagement(emfXacml, "dummy");
231 sm.deleteAllStateManagementEntities();
234 // Now we want to create a StateManagementFeature and initialize it. It will be
235 // discovered by the ActiveStandbyFeature when the election handler initializes.
237 StateManagementFeatureAPI stateManagementFeatureApi = null;
238 for (StateManagementFeatureAPI feature : StateManagementFeatureAPI.impl.getList()) {
239 ((PolicySessionFeatureAPI) feature).globalInit(null, configDir);
240 stateManagementFeatureApi = feature;
241 logger.debug("testAllSeemsWell stateManagementFeature.getResourceName(): {}",
242 stateManagementFeatureApi.getResourceName());
245 if (stateManagementFeatureApi == null) {
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);
253 final StateManagementFeatureAPI smf = stateManagementFeatureApi;
255 // Create an ActiveStandbyFeature and initialize it. It will discover the StateManagementFeature
256 // that has been created.
257 ActiveStandbyFeatureAPI activeStandbyFeature = null;
258 for (ActiveStandbyFeatureAPI feature : ActiveStandbyFeatureAPI.impl.getList()) {
259 ((PolicySessionFeatureAPI) feature).globalInit(null, configDir);
260 activeStandbyFeature = feature;
261 logger.debug("testAllSeemsWell activeStandbyFeature.getResourceName(): {}",
262 activeStandbyFeature.getResourceName());
265 if (activeStandbyFeature == null) {
266 logger.error("testAllSeemsWell failed to initialize. "
267 + "Unable to get instance of ActiveStandbyFeatureAPI "
268 + "with resourceID: {}", thisPdpId);
269 logger.debug("testAllSeemsWell failed to initialize. "
270 + "Unable to get instance of ActiveStandbyFeatureAPI "
271 + "with resourceID: {}", thisPdpId);
275 logger.debug("testAllSeemsWell: Demoting PDP={}", thisPdpId);
276 // demoting should cause state to transit to hotstandby
280 logger.debug("testAllSeemsWell: Sleeping {} s, to allow JpaDroolsPdpsConnector "
281 + "time to check droolspdpentity table", SLEEP_TIME_SEC);
282 waitForCondition(()-> conn.getPdp(thisPdpId).isDesignated(), SLEEP_TIME_SEC);
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 {} s, 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 STALLED_ELECTION_HANDLER_SLEEP_TIME_SEC);
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 waitForCondition(()-> smf.getStandbyStatus().equals(StateManagement.COLD_STANDBY),
310 STALLED_ELECTION_HANDLER_SLEEP_TIME_SEC);
312 logger.debug("testAllSeemsWell: After isStalled=true, PDP= {} "
313 + "has standbyStatus= {}", thisPdpId, smf.getStandbyStatus(thisPdpId));
315 assertTrue(smf.getStandbyStatus().equals(StateManagement.COLD_STANDBY));
317 //Now lets resume the election handler
318 DroolsPdpsElectionHandler.setIsStalled(false);
320 waitForCondition(() -> smf.getStandbyStatus().equals(StateManagement.PROVIDING_SERVICE),
321 RESUMED_ELECTION_HANDLER_SLEEP_TIME_SEC);
323 logger.debug("testAllSeemsWell: After isStalled=false, PDP= {} "
324 + "has standbyStatus= {}", thisPdpId, smf.getStandbyStatus(thisPdpId));
326 assertTrue(smf.getStandbyStatus().equals(StateManagement.PROVIDING_SERVICE));
328 //resumedElectionHandlerSleepTime = 5000;
329 logger.debug("\n\ntestAllSeemsWell: Exiting\n\n");
333 private void waitForCondition(Supplier<Boolean> testCondition, int timeoutInSeconds) throws InterruptedException {
334 int maxIterations = timeoutInSeconds * 10;
336 while (!testCondition.get() && iterations < maxIterations) {