2 * ============LICENSE_START=======================================================
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.template.demo;
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 java.io.IOException;
29 import java.net.URLEncoder;
30 import java.time.Instant;
31 import java.util.HashMap;
32 import java.util.List;
33 import java.util.Properties;
34 import java.util.UUID;
36 import org.junit.AfterClass;
37 import org.junit.BeforeClass;
38 import org.junit.Test;
39 import org.kie.api.runtime.KieSession;
40 import org.kie.api.runtime.rule.FactHandle;
41 import org.onap.policy.appc.Request;
42 import org.onap.policy.appc.Response;
43 import org.onap.policy.appc.ResponseCode;
44 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
45 import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
46 import org.onap.policy.common.endpoints.event.comm.TopicListener;
47 import org.onap.policy.common.endpoints.event.comm.TopicSink;
48 import org.onap.policy.common.endpoints.http.server.HttpServletServer;
49 import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
50 import org.onap.policy.controlloop.ControlLoopEventStatus;
51 import org.onap.policy.controlloop.ControlLoopNotificationType;
52 import org.onap.policy.controlloop.VirtualControlLoopEvent;
53 import org.onap.policy.controlloop.VirtualControlLoopNotification;
54 import org.onap.policy.controlloop.policy.ControlLoopPolicy;
55 import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
56 import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
57 import org.onap.policy.drools.system.PolicyController;
58 import org.onap.policy.drools.system.PolicyEngine;
59 import org.onap.policy.drools.utils.logging.LoggerUtil;
60 import org.slf4j.Logger;
61 import org.slf4j.LoggerFactory;
63 public class VfwControlLoopTest implements TopicListener {
65 private static final Logger logger = LoggerFactory.getLogger(VfwControlLoopTest.class);
67 private static List<? extends TopicSink> noopTopics;
69 private static KieSession kieSession;
70 private static Util.Pair<ControlLoopPolicy, String> pair;
71 private UUID requestId;
74 /* Set environment properties */
78 LoggerUtil.setLevel(LoggerUtil.ROOT_LOGGER, "INFO");
82 * Setup the simulator.
85 public static void setUpSimulator() {
86 PolicyEngine.manager.configure(new Properties());
87 assertTrue(PolicyEngine.manager.start());
88 Properties noopSinkProperties = new Properties();
89 noopSinkProperties.put(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS, "APPC-CL,POLICY-CL-MGT");
90 noopSinkProperties.put("noop.sink.topics.APPC-CL.events", "org.onap.policy.appc.Response");
91 noopSinkProperties.put("noop.sink.topics.APPC-CL.events.custom.gson",
92 "org.onap.policy.appc.util.Serialization,gsonPretty");
93 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events",
94 "org.onap.policy.controlloop.VirtualControlLoopNotification");
95 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events.custom.gson",
96 "org.onap.policy.controlloop.util.Serialization,gsonPretty");
97 noopTopics = TopicEndpoint.manager.addTopicSinks(noopSinkProperties);
99 EventProtocolCoder.manager.addEncoder("junit.groupId", "junit.artifactId", "POLICY-CL-MGT",
100 "org.onap.policy.controlloop.VirtualControlLoopNotification", new JsonProtocolFilter(), null, null,
102 EventProtocolCoder.manager.addEncoder("junit.groupId", "junit.artifactId", "APPC-CL",
103 "org.onap.policy.appc.Request", new JsonProtocolFilter(), null, null, 1111);
107 Util.buildGuardSim();
108 } catch (Exception e) {
109 fail(e.getMessage());
113 * Start the kie session
116 kieSession = startSession(
117 "../archetype-cl-amsterdam/src/main/resources/archetype-resources/src/"
118 + "main/resources/__closedLoopControlName__.drl",
119 "src/test/resources/yaml/policy_ControlLoop_vFW.yaml",
120 "service=ServiceDemo;resource=Res1Demo;type=operational", "CL_vFW",
121 "org.onap.closed_loop.ServiceDemo:VNFS:1.0.0");
122 } catch (IOException e) {
124 logger.debug("Could not create kieSession");
125 fail("Could not create kieSession");
130 * Tear down the simulator.
133 public static void tearDownSimulator() {
135 * Gracefully shut down the kie session
137 kieSession.dispose();
139 PolicyEngine.manager.stop();
140 HttpServletServer.factory.destroy();
141 PolicyController.factory.shutdown();
142 TopicEndpoint.manager.shutdown();
146 public void successTest() {
149 * Allows the PolicyEngine to callback to this object to notify that there is an event ready
150 * to be pulled from the queue
152 for (TopicSink sink : noopTopics) {
153 assertTrue(sink.start());
158 * Create a unique requestId
160 requestId = UUID.randomUUID();
163 * Simulate an onset event the policy engine will receive from DCAE to kick off processing
166 sendEvent(pair.first, requestId, ControlLoopEventStatus.ONSET);
169 kieSession.fireUntilHalt();
171 // allow object clean-up
172 kieSession.fireAllRules();
174 } catch (Exception e) {
176 logger.warn(e.toString());
182 * The only fact in memory should be Params
184 assertEquals(1, kieSession.getFactCount());
187 * Print what's left in memory
189 dumpFacts(kieSession);
193 public void aaiFailTests() {
196 * Allows the PolicyEngine to callback to this object to notify that there is an event ready
197 * to be pulled from the queue
199 for (TopicSink sink : noopTopics) {
200 assertTrue(sink.start());
205 * Create a unique requestId
207 requestId = UUID.randomUUID();
210 * Simulate an onset event the policy engine will receive from DCAE to kick off processing
213 sendEvent(pair.first, requestId, ControlLoopEventStatus.ONSET, "error");
215 kieSession.fireUntilHalt();
217 // allow object clean-up
218 kieSession.fireAllRules();
220 } catch (Exception e) {
222 logger.warn(e.toString());
223 fail(e.getMessage());
227 * The only fact in memory should be Params
229 assertEquals(1, kieSession.getFactCount());
232 * Print what's left in memory
234 dumpFacts(kieSession);
237 * Create a unique requestId
239 requestId = UUID.randomUUID();
242 * Simulate an onset event the policy engine will receive from DCAE to kick off processing
246 sendEvent(pair.first, requestId, ControlLoopEventStatus.ONSET, "getFail");
249 kieSession.fireUntilHalt();
251 // allow object clean-up
252 kieSession.fireAllRules();
254 } catch (Exception e) {
256 logger.warn(e.toString());
257 fail(e.getMessage());
261 * The only fact in memory should be Params
263 assertEquals(1, kieSession.getFactCount());
266 * Print what's left in memory
268 dumpFacts(kieSession);
272 * This method will start a kie session and instantiate the Policy Engine.
274 * @param droolsTemplate the DRL rules file
275 * @param yamlFile the yaml file containing the policies
276 * @param policyScope scope for policy
277 * @param policyName name of the policy
278 * @param policyVersion version of the policy
279 * @return the kieSession to be used to insert facts
280 * @throws IOException IO Exception
282 private static KieSession startSession(String droolsTemplate, String yamlFile, String policyScope,
283 String policyName, String policyVersion) throws IOException {
286 * Load policies from yaml
288 pair = Util.loadYaml(yamlFile);
290 assertNotNull(pair.first);
291 assertNotNull(pair.first.getControlLoop());
292 assertNotNull(pair.first.getControlLoop().getControlLoopName());
293 assertTrue(pair.first.getControlLoop().getControlLoopName().length() > 0);
296 * Construct a kie session
298 final KieSession kieSession = Util.buildContainer(droolsTemplate,
299 pair.first.getControlLoop().getControlLoopName(),
300 policyScope, policyName, policyVersion, URLEncoder.encode(pair.second, "UTF-8"));
303 * Retrieve the Policy Engine
306 logger.debug("============");
307 logger.debug(URLEncoder.encode(pair.second, "UTF-8"));
308 logger.debug("============");
314 * @see org.onap.policy.drools.PolicyEngineListener#newEventNotification(java.lang.String)
317 public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
319 * Pull the object that was sent out to DMAAP and make sure it is a ControlLoopNoticiation
323 if ("POLICY-CL-MGT".equals(topic)) {
324 obj = org.onap.policy.controlloop.util.Serialization.gsonJunit.fromJson(event,
325 org.onap.policy.controlloop.VirtualControlLoopNotification.class);
326 } else if ("APPC-CL".equals(topic)) {
327 obj = org.onap.policy.appc.util.Serialization.gsonPretty.fromJson(event,
328 org.onap.policy.appc.Request.class);
331 if (obj instanceof VirtualControlLoopNotification) {
332 VirtualControlLoopNotification notification = (VirtualControlLoopNotification) obj;
333 String policyName = notification.getPolicyName();
334 if (policyName.endsWith("EVENT")) {
335 logger.debug("Rule Fired: " + notification.getPolicyName());
336 assertTrue(ControlLoopNotificationType.ACTIVE.equals(notification.getNotification()));
337 } else if (policyName.endsWith("GUARD_NOT_YET_QUERIED")) {
338 logger.debug("Rule Fired: " + notification.getPolicyName());
339 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
340 assertNotNull(notification.getMessage());
341 assertTrue(notification.getMessage().startsWith("Sending guard query"));
342 } else if (policyName.endsWith("GUARD.RESPONSE")) {
343 logger.debug("Rule Fired: " + notification.getPolicyName());
344 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
345 assertNotNull(notification.getMessage());
346 assertTrue(notification.getMessage().toLowerCase().endsWith("permit"));
347 } else if (policyName.endsWith("GUARD_PERMITTED")) {
348 logger.debug("Rule Fired: " + notification.getPolicyName());
349 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
350 assertNotNull(notification.getMessage());
351 assertTrue(notification.getMessage().startsWith("actor=APPC"));
352 } else if (policyName.endsWith("OPERATION.TIMEOUT")) {
353 logger.debug("Rule Fired: " + notification.getPolicyName());
355 logger.debug("The operation timed out");
356 fail("Operation Timed Out");
357 } else if (policyName.endsWith("APPC.RESPONSE")) {
358 logger.debug("Rule Fired: " + notification.getPolicyName());
359 assertTrue(ControlLoopNotificationType.OPERATION_SUCCESS.equals(notification.getNotification()));
360 assertNotNull(notification.getMessage());
361 assertTrue(notification.getMessage().startsWith("actor=APPC"));
362 sendEvent(pair.first, requestId, ControlLoopEventStatus.ABATED);
363 } else if (policyName.endsWith("EVENT.MANAGER")) {
364 logger.debug("Rule Fired: " + notification.getPolicyName());
365 if ("error".equals(notification.getAai().get("generic-vnf.vnf-name"))) {
366 assertEquals(ControlLoopNotificationType.FINAL_FAILURE, notification.getNotification());
367 assertEquals("Target vnf-id could not be found", notification.getMessage());
368 } else if ("getFail".equals(notification.getAai().get("generic-vnf.vnf-name"))) {
369 assertEquals(ControlLoopNotificationType.FINAL_FAILURE, notification.getNotification());
371 assertTrue(ControlLoopNotificationType.FINAL_SUCCESS.equals(notification.getNotification()));
374 } else if (policyName.endsWith("EVENT.MANAGER.TIMEOUT")) {
375 logger.debug("Rule Fired: " + notification.getPolicyName());
377 logger.debug("The control loop timed out");
378 fail("Control Loop Timed Out");
380 } else if (obj instanceof Request) {
381 assertTrue(((Request) obj).getCommonHeader().getSubRequestId().equals("1"));
382 assertNotNull(((Request) obj).getPayload().get("generic-vnf.vnf-id"));
384 logger.debug("\n============ APPC received the request!!! ===========\n");
387 * Simulate a success response from APPC and insert the response into the working memory
389 Response appcResponse = new Response((Request) obj);
390 appcResponse.getStatus().setCode(ResponseCode.SUCCESS.getValue());
391 appcResponse.getStatus().setValue("SUCCESS");
392 kieSession.insert(appcResponse);
397 * This method is used to simulate event messages from DCAE that start the control loop (onset
398 * message) or end the control loop (abatement message).
400 * @param policy the controlLoopName comes from the policy
401 * @param requestID the requestId for this event
402 * @param status could be onset or abated
404 protected void sendEvent(ControlLoopPolicy policy, UUID requestId, ControlLoopEventStatus status) {
405 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
406 event.setClosedLoopControlName(policy.getControlLoop().getControlLoopName());
407 event.setRequestId(requestId);
408 event.setTarget("generic-vnf.vnf-name");
409 event.setClosedLoopAlarmStart(Instant.now());
410 event.setAai(new HashMap<>());
411 event.getAai().put("generic-vnf.vnf-name", "testGenericVnfID");
412 event.setClosedLoopEventStatus(status);
413 kieSession.insert(event);
417 * This method is used to simulate event messages from DCAE that start the control loop (onset
418 * message) or end the control loop (abatement message).
420 * @param policy the controlLoopName comes from the policy
421 * @param requestID the requestId for this event
422 * @param status could be onset or abated
424 protected void sendEvent(ControlLoopPolicy policy, UUID requestId, ControlLoopEventStatus status, String vnfId) {
425 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
426 event.setClosedLoopControlName(policy.getControlLoop().getControlLoopName());
427 event.setRequestId(requestId);
428 event.setTarget("generic-vnf.vnf-name");
429 event.setClosedLoopAlarmStart(Instant.now());
430 event.setAai(new HashMap<>());
431 event.getAai().put("generic-vnf.vnf-name", vnfId);
432 event.setClosedLoopEventStatus(status);
433 kieSession.insert(event);
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);