2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018-2019 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.template.demo.clc;
23 import static org.junit.Assert.assertEquals;
24 import static org.junit.Assert.assertNotNull;
25 import static org.junit.Assert.assertTrue;
26 import static org.junit.Assert.fail;
28 import com.google.gson.Gson;
30 import java.io.IOException;
31 import java.lang.StringBuilder;
32 import java.net.URLEncoder;
33 import java.time.Instant;
34 import java.util.HashMap;
35 import java.util.List;
36 import java.util.Properties;
37 import java.util.UUID;
39 import org.junit.AfterClass;
40 import org.junit.BeforeClass;
41 import org.junit.Test;
43 import org.kie.api.runtime.KieSession;
44 import org.kie.api.runtime.rule.FactHandle;
46 import org.onap.policy.appclcm.LcmRequest;
47 import org.onap.policy.appclcm.LcmRequestWrapper;
48 import org.onap.policy.appclcm.LcmResponse;
49 import org.onap.policy.appclcm.LcmResponseWrapper;
50 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
51 import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
52 import org.onap.policy.common.endpoints.event.comm.TopicListener;
53 import org.onap.policy.common.endpoints.event.comm.TopicSink;
54 import org.onap.policy.common.endpoints.http.server.HttpServletServer;
55 import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
56 import org.onap.policy.controlloop.ControlLoopEventStatus;
57 import org.onap.policy.controlloop.ControlLoopNotificationType;
58 import org.onap.policy.controlloop.ControlLoopTargetType;
59 import org.onap.policy.controlloop.VirtualControlLoopEvent;
60 import org.onap.policy.controlloop.VirtualControlLoopNotification;
61 import org.onap.policy.controlloop.policy.ControlLoopPolicy;
62 import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
63 import org.onap.policy.drools.protocol.coders.EventProtocolParams;
64 import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
65 import org.onap.policy.drools.system.PolicyController;
66 import org.onap.policy.drools.system.PolicyEngine;
68 import org.slf4j.Logger;
69 import org.slf4j.LoggerFactory;
71 public class ControlLoopCoordinationTest implements TopicListener {
73 private static final Logger logger = LoggerFactory.getLogger(ControlLoopCoordinationTest.class);
75 private static List<? extends TopicSink> noopTopics;
77 private static KieSession kieSession1;
78 private static KieSession kieSession2;
79 private static StringBuilder controlLoopOneName = new StringBuilder();
80 private static StringBuilder controlLoopTwoName = new StringBuilder();
81 private static String expectedDecision;
84 /* Set environment properties */
85 SupportUtil.setAaiProps();
86 SupportUtil.setGuardPropsEmbedded();
87 SupportUtil.setPuProp();
94 public static void setUpSimulator() {
95 PolicyEngine.manager.configure(new Properties());
96 assertTrue(PolicyEngine.manager.start());
97 Properties noopSinkProperties = new Properties();
98 noopSinkProperties.put(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS, "APPC-LCM-READ,POLICY-CL-MGT");
99 noopSinkProperties.put("noop.sink.topics.APPC-LCM-READ.events", "org.onap.policy.appclcm.LcmRequestWrapper");
100 noopSinkProperties.put("noop.sink.topics.APPC-LCM-READ.events.custom.gson",
101 "org.onap.policy.appclcm.util.Serialization,gson");
102 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events",
103 "org.onap.policy.controlloop.VirtualControlLoopNotification");
104 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events.custom.gson",
105 "org.onap.policy.controlloop.util.Serialization,gsonPretty");
106 noopTopics = TopicEndpoint.manager.addTopicSinks(noopSinkProperties);
108 EventProtocolCoder.manager.addEncoder(EventProtocolParams.builder()
109 .groupId("junit.groupId")
110 .artifactId("junit.artifactId")
111 .topic("POLICY-CL-MGT")
112 .eventClass("org.onap.policy.controlloop.VirtualControlLoopNotification")
113 .protocolFilter(new JsonProtocolFilter())
114 .modelClassLoaderHash(1111));
115 EventProtocolCoder.manager.addEncoder(EventProtocolParams.builder()
116 .groupId("junit.groupId")
117 .artifactId("junit.artifactId")
118 .topic("APPC-LCM-READ")
119 .eventClass("org.onap.policy.appclcm.LcmRequestWrapper")
120 .protocolFilter(new JsonProtocolFilter())
121 .modelClassLoaderHash(1111));
123 SupportUtil.buildAaiSim();
124 } catch (Exception e) {
125 fail(e.getMessage());
129 * Start the kie sessions
132 kieSession1 = startSession(
134 "src/main/resources/__closedLoopControlName__.drl",
135 "src/test/resources/yaml/policy_ControlLoop_SyntheticOne.yaml",
136 "service=ServiceDemo;resource=Res1Demo;type=operational",
137 "SyntheticControlLoopOnePolicy",
138 "org.onap.closed_loop.ServiceDemo:VNFS:1.0.0");
139 kieSession2 = startSession(
141 "src/main/resources/__closedLoopControlName__.drl",
142 "src/test/resources/yaml/policy_ControlLoop_SyntheticTwo.yaml",
143 "service=ServiceDemo;resource=Res1Demo;type=operational",
144 "SyntheticControlLoopTwoPolicy",
145 "org.onap.closed_loop.ServiceDemo:VNFS:1.0.0");
146 } catch (IOException e) {
147 logger.debug("Could not create kieSession, exception {}", e.getMessage());
148 fail("Could not create kieSession");
153 * Tear down simulator.
156 public static void tearDownSimulator() {
158 * Gracefully shut down the kie session
160 kieSession1.dispose();
161 kieSession2.dispose();
163 PolicyEngine.manager.stop();
164 HttpServletServer.factory.destroy();
165 PolicyController.factory.shutdown();
166 TopicEndpoint.manager.shutdown();
170 * Set expected decision.
172 * @param ed the expected decision ("PERMIT" or "DENY")
174 public void expectedDecisionIs(String ed) {
175 expectedDecision = ed;
176 logger.info("Expected decision is {}", ed);
180 * This method is used to simulate event messages from DCAE
181 * that start the control loop (onset message) or end the
182 * control loop (abatement message).
184 * @param controlLoopName the control loop name
185 * @param requestId the requestId for this event
186 * @param status could be onset or abated
187 * @param target the target name
188 * @param kieSession the kieSession to which this event is being sent
190 protected void sendEvent(String controlLoopName,
192 ControlLoopEventStatus status,
194 KieSession kieSession) {
195 logger.debug("sendEvent controlLoopName={}", controlLoopName);
196 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
197 event.setClosedLoopControlName(controlLoopName);
198 event.setRequestId(requestId);
199 event.setTarget("generic-vnf.vnf-name");
200 event.setTargetType(ControlLoopTargetType.VNF);
201 event.setClosedLoopAlarmStart(Instant.now());
202 event.setAai(new HashMap<>());
203 event.getAai().put("generic-vnf.vnf-name", target);
204 event.setClosedLoopEventStatus(status);
206 Gson gson = new Gson();
207 String json = gson.toJson(event);
208 logger.debug("sendEvent {}", json);
210 kieSession.insert(event);
215 * Simulate an event by inserting into kieSession and firing rules as needed.
217 * @param cles the ControlLoopEventStatus
218 * @param rid the request ID
219 * @param controlLoopName the control loop name
220 * @param kieSession the kieSession to which this event is being sent
221 * @param expectedDecision the expected decision
223 protected void simulateEvent(ControlLoopEventStatus cles,
225 String controlLoopName,
227 KieSession kieSession,
228 String expectedDecision) {
230 // if onset, set expected decision
232 if (cles == ControlLoopEventStatus.ONSET) {
233 expectedDecisionIs(expectedDecision);
236 // simulate sending event
238 sendEvent(controlLoopName, rid, cles, target, kieSession);
239 kieSession.fireUntilHalt();
241 // get dump of database entries and log
243 List<?> entries = SupportUtil.dumpDb();
244 assertNotNull(entries);
245 logger.debug("dumpDB, {} entries", entries.size());
246 for (Object entry : entries) {
247 logger.debug("{}", entry);
252 logger.info("simulateEvent: done");
256 * Simulate an onset event.
258 * @param rid the request ID
259 * @param controlLoopName the control loop name
260 * @param kieSession the kieSession to which this event is being sent
261 * @param expectedDecision the expected decision
263 public void simulateOnset(UUID rid,
264 String controlLoopName,
266 KieSession kieSession,
267 String expectedDecision) {
268 simulateEvent(ControlLoopEventStatus.ONSET, rid, controlLoopName, target, kieSession, expectedDecision);
272 * Simulate an abated event.
274 * @param rid the request ID
275 * @param controlLoopName the control loop name
276 * @param kieSession the kieSession to which this event is being sent
278 public void simulateAbatement(UUID rid,
279 String controlLoopName,
281 KieSession kieSession) {
282 simulateEvent(ControlLoopEventStatus.ABATED, rid, controlLoopName, target, kieSession, null);
286 * This method will start a kie session and instantiate the Policy Engine.
288 * @param droolsTemplate the DRL rules file
289 * @param yamlFile the yaml file containing the policies
290 * @param policyScope scope for policy
291 * @param policyName name of the policy
292 * @param policyVersion version of the policy
293 * @return the kieSession to be used to insert facts
294 * @throws IOException throws IO exception
296 private static KieSession startSession(StringBuilder controlLoopName,
297 String droolsTemplate,
301 String policyVersion) throws IOException {
304 * Load policies from yaml
306 SupportUtil.Pair<ControlLoopPolicy, String> pair = SupportUtil.loadYaml(yamlFile);
308 assertNotNull(pair.first);
309 assertNotNull(pair.first.getControlLoop());
310 assertNotNull(pair.first.getControlLoop().getControlLoopName());
311 assertTrue(!pair.first.getControlLoop().getControlLoopName().isEmpty());
313 controlLoopName.append(pair.first.getControlLoop().getControlLoopName());
314 String yamlContents = pair.second;
317 * Construct a kie session
319 final KieSession kieSession = SupportUtil.buildContainer(droolsTemplate,
320 controlLoopName.toString(),
324 URLEncoder.encode(yamlContents, "UTF-8"));
327 * Retrieve the Policy Engine
330 logger.debug("============");
331 logger.debug(URLEncoder.encode(yamlContents, "UTF-8"));
332 logger.debug("============");
340 * @see org.onap.policy.drools.PolicyEngineListener#newEventNotification(java.lang.String)
343 public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
345 * Pull the object that was sent out to DMAAP and make sure it is a ControlLoopNoticiation
349 if ("POLICY-CL-MGT".equals(topic)) {
350 obj = org.onap.policy.controlloop.util.Serialization.gsonJunit.fromJson(event,
351 org.onap.policy.controlloop.VirtualControlLoopNotification.class);
352 } else if ("APPC-LCM-READ".equals(topic)) {
353 obj = org.onap.policy.appclcm.util.Serialization.gsonJunit.fromJson(event,
354 org.onap.policy.appclcm.LcmRequestWrapper.class);
357 if (obj instanceof VirtualControlLoopNotification) {
358 VirtualControlLoopNotification notification = (VirtualControlLoopNotification) obj;
359 String policyName = notification.getPolicyName();
360 if (policyName.endsWith("EVENT")) {
361 logger.debug("Rule Fired: " + notification.getPolicyName());
362 assertTrue(ControlLoopNotificationType.ACTIVE.equals(notification.getNotification()));
363 } else if (policyName.endsWith("GUARD_NOT_YET_QUERIED")) {
364 logger.debug("Rule Fired: " + notification.getPolicyName());
365 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
366 assertNotNull(notification.getMessage());
367 assertTrue(notification.getMessage().startsWith("Sending guard query"));
368 } else if (policyName.endsWith("GUARD.RESPONSE")) {
369 logger.debug("Rule Fired: " + notification.getPolicyName());
370 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
371 assertNotNull(notification.getMessage());
372 // THESE ARE THE MOST CRITICAL ASSERTS
373 // TEST IF GUARD.RESPONSE IS CORRECT
374 logger.debug("Testing whether decision was {} as expected", expectedDecision);
375 assertTrue(notification.getMessage().toUpperCase().endsWith(expectedDecision));
376 } else if (policyName.endsWith("GUARD_PERMITTED")) {
377 logger.debug("Rule Fired: " + notification.getPolicyName());
378 assertEquals(ControlLoopNotificationType.OPERATION,notification.getNotification());
379 assertNotNull(notification.getMessage());
380 assertTrue(notification.getMessage().startsWith("actor=APPC"));
381 } else if (policyName.endsWith("OPERATION.TIMEOUT")) {
382 logger.debug("Rule Fired: " + notification.getPolicyName());
385 logger.debug("The operation timed out");
386 fail("Operation Timed Out");
387 } else if (policyName.endsWith("APPC.LCM.RESPONSE")) {
388 logger.debug("Rule Fired: " + notification.getPolicyName());
389 assertTrue(ControlLoopNotificationType.OPERATION_SUCCESS.equals(notification.getNotification()));
390 assertNotNull(notification.getMessage());
391 assertTrue(notification.getMessage().startsWith("actor=APPC"));
392 } else if (policyName.endsWith("EVENT.MANAGER")) {
393 logger.debug("Rule Fired: " + notification.getPolicyName());
394 if (notification.getMessage().endsWith("Closing the control loop.")
395 || notification.getMessage().equals("Waiting for abatement")) {
396 if (policyName.startsWith(controlLoopOneName.toString())) {
397 logger.debug("Halting kieSession1");
399 } else if (policyName.startsWith(controlLoopTwoName.toString())) {
400 logger.debug("Halting kieSession2");
403 fail("Unknown ControlLoop");
406 } else if (policyName.endsWith("EVENT.MANAGER.TIMEOUT")) {
407 logger.debug("Rule Fired: " + notification.getPolicyName());
410 logger.debug("The control loop timed out");
411 fail("Control Loop Timed Out");
413 } else if (obj instanceof LcmRequestWrapper) {
415 * The request should be of type LCMRequestWrapper and the subrequestid should be 1
417 LcmRequestWrapper dmaapRequest = (LcmRequestWrapper) obj;
418 LcmRequest appcRequest = dmaapRequest.getBody();
419 assertEquals(appcRequest.getCommonHeader().getSubRequestId(),"1");
421 logger.debug("\n============ APPC received the request!!! ===========\n");
424 * Simulate a success response from APPC and insert the response into the working memory
426 LcmResponseWrapper dmaapResponse = new LcmResponseWrapper();
427 LcmResponse appcResponse = new LcmResponse(appcRequest);
428 appcResponse.getStatus().setCode(400);
429 appcResponse.getStatus().setMessage("AppC success");
430 dmaapResponse.setBody(appcResponse);
431 kieSession1.insert(dmaapResponse);
432 kieSession2.insert(dmaapResponse);
437 * This method will dump all the facts in the working memory.
439 * @param kieSession the session containing the facts
441 public void dumpFacts(KieSession kieSession) {
442 logger.debug("Fact Count: {}", kieSession.getFactCount());
443 for (FactHandle handle : kieSession.getFactHandles()) {
444 logger.debug("FACT: {}", handle);
449 * Test that SyntheticControlLoopOne blocks SyntheticControlLoopTwo
450 * is enforced correctly.
453 public void testSyntheticControlLoopOneBlocksSyntheticControlLoopTwo() throws InterruptedException {
454 logger.info("Beginning testSyntheticControlLoopOneBlocksSyntheticControlLoopTwo");
456 * Allows the PolicyEngine to callback to this object to
457 * notify that there is an event ready to be pulled
460 for (TopicSink sink : noopTopics) {
461 assertTrue(sink.start());
466 * Create unique requestIds
468 final UUID requestId1 = UUID.randomUUID();
469 final UUID requestId2 = UUID.randomUUID();
470 final UUID requestId3 = UUID.randomUUID();
471 final UUID requestId4 = UUID.randomUUID();
472 final UUID requestId5 = UUID.randomUUID();
473 final String cl1 = controlLoopOneName.toString();
474 final String cl2 = controlLoopTwoName.toString();
475 final String t1 = "TARGET_1";
476 final String t2 = "TARGET_2";
478 logger.info("@@@@@@@@@@ cl2 ONSET t1 (Success) @@@@@@@@@@");
479 simulateOnset(requestId1, cl2, t1, kieSession2,"PERMIT");
480 logger.info("@@@@@@@@@@ cl1 ONSET t1 @@@@@@@@@@");
481 simulateOnset(requestId2, cl1, t1, kieSession1,"PERMIT");
482 logger.info("@@@@@@@@@@ cl2 ABATED t1 @@@@@@@@@@");
483 simulateAbatement(requestId1, cl2, t1, kieSession2);
484 logger.info("@@@@@@@@@@ cl2 ONSET t1 (Fail) @@@@@@@@@@");
485 simulateOnset(requestId3, cl2, t1, kieSession2,"DENY");
486 logger.info("@@@@@@@@@@ cl2 ONSET t2 (Success) @@@@@@@@@@");
487 simulateOnset(requestId4, cl2, t2, kieSession2,"PERMIT");
488 logger.info("@@@@@@@@@@ cl2 ABATED t2 @@@@@@@@@@");
489 simulateAbatement(requestId4, cl2, t2, kieSession2);
490 logger.info("@@@@@@@@@@ cl1 ABATED t1 @@@@@@@@@@");
491 simulateAbatement(requestId2, cl1, t1, kieSession1);
492 logger.info("@@@@@@@@@@ cl2 ONSET t1 (Success) @@@@@@@@@@");
493 simulateOnset(requestId5, cl2, t1, kieSession2,"PERMIT");
494 logger.info("@@@@@@@@@@ cl2 ABATED t1 @@@@@@@@@@");
495 simulateAbatement(requestId5, cl2, t1, kieSession2);
498 * Print what's left in memory
500 dumpFacts(kieSession1);
501 dumpFacts(kieSession2);