2 * ============LICENSE_START=======================================================
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
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.*;
25 import java.io.IOException;
26 import java.net.URLEncoder;
27 import java.time.Instant;
28 import java.util.HashMap;
29 import java.util.List;
30 import java.util.Properties;
31 import java.util.UUID;
33 import org.junit.AfterClass;
34 import org.junit.BeforeClass;
35 import org.junit.Test;
36 import org.kie.api.runtime.KieSession;
37 import org.kie.api.runtime.rule.FactHandle;
38 import org.onap.policy.appclcm.LCMRequest;
39 import org.onap.policy.appclcm.LCMRequestWrapper;
40 import org.onap.policy.appclcm.LCMResponse;
41 import org.onap.policy.appclcm.LCMResponseWrapper;
42 import org.onap.policy.controlloop.ControlLoopEventStatus;
43 import org.onap.policy.controlloop.ControlLoopNotificationType;
44 import org.onap.policy.controlloop.VirtualControlLoopEvent;
45 import org.onap.policy.controlloop.VirtualControlLoopNotification;
46 import org.onap.policy.controlloop.policy.ControlLoopPolicy;
47 import org.onap.policy.drools.event.comm.Topic.CommInfrastructure;
48 import org.onap.policy.drools.event.comm.TopicEndpoint;
49 import org.onap.policy.drools.event.comm.TopicListener;
50 import org.onap.policy.drools.event.comm.TopicSink;
51 import org.onap.policy.drools.http.server.HttpServletServer;
52 import org.onap.policy.drools.properties.PolicyProperties;
53 import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
54 import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
55 import org.onap.policy.drools.system.PolicyEngine;
56 import org.slf4j.Logger;
57 import org.slf4j.LoggerFactory;
59 public class ControlLoopFailureTest implements TopicListener {
61 private static final Logger logger = LoggerFactory.getLogger(VCPEControlLoopTest.class);
63 private static List<? extends TopicSink> noopTopics;
65 private KieSession kieSession;
66 private Util.Pair<ControlLoopPolicy, String> pair;
67 private UUID requestId;
68 private UUID requestId2;
69 private UUID requestId3;
70 private int eventCount;
73 /* Set environment properties */
80 public static void setUpSimulator() {
81 PolicyEngine.manager.configure(new Properties());
82 assertTrue(PolicyEngine.manager.start());
83 Properties noopSinkProperties = new Properties();
84 noopSinkProperties.put(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS, "APPC-LCM-READ,POLICY-CL-MGT");
85 noopSinkProperties.put("noop.sink.topics.APPC-LCM-READ.events", "org.onap.policy.appclcm.LCMRequestWrapper");
86 noopSinkProperties.put("noop.sink.topics.APPC-LCM-READ.events.custom.gson", "org.onap.policy.appclcm.util.Serialization,gson");
87 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events", "org.onap.policy.controlloop.VirtualControlLoopNotification");
88 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events.custom.gson", "org.onap.policy.controlloop.util.Serialization,gsonPretty");
89 noopTopics = TopicEndpoint.manager.addTopicSinks(noopSinkProperties);
91 EventProtocolCoder.manager.addEncoder("junit.groupId", "junit.artifactId", "POLICY-CL-MGT", "org.onap.policy.controlloop.VirtualControlLoopNotification", new JsonProtocolFilter(), null, null, 1111);
92 EventProtocolCoder.manager.addEncoder("junit.groupId", "junit.artifactId", "APPC-LCM-READ", "org.onap.policy.appclcm.LCMRequestWrapper", new JsonProtocolFilter(), null, null, 1111);
96 } catch (Exception e) {
102 public static void tearDownSimulator() {
103 HttpServletServer.factory.destroy();
104 PolicyEngine.manager.shutdown();
108 * This test case tests the scenario where 3 events occur
109 * and 2 of the requests refer to the same target entity
110 * while the 3rd is for another entity. The expected result
111 * is that the event with the duplicate target entity will have
112 * a final success result for one of the events, and a rejected
113 * message for the one that was unable to obtain the lock. The
114 * event that is referring to a different target entity should
115 * be able to obtain a lock since it is a different target. After
116 * processing of all events there should only be the params object
120 public void targetLockedTest() {
122 * Start the kie session
125 kieSession = startSession("../archetype-cl-amsterdam/src/main/resources/archetype-resources/src/main/resources/__closedLoopControlName__.drl",
126 "src/test/resources/yaml/policy_ControlLoop_vCPE.yaml",
127 "service=ServiceDemo;resource=Res1Demo;type=operational",
129 "org.onap.closed_loop.ServiceDemo:VNFS:1.0.0");
130 } catch (IOException e) {
132 logger.debug("Could not create kieSession");
133 fail("Could not create kieSession");
137 * Allows the PolicyEngine to callback to this object to
138 * notify that there is an event ready to be pulled
141 for (TopicSink sink : noopTopics) {
142 assertTrue(sink.start());
147 * Create a unique requestId
149 requestId = UUID.randomUUID();
152 * This will be a unique request for another target entity
154 requestId2 = UUID.randomUUID();
157 * This will be a request duplicating the target entity
158 * of the first request
160 requestId3 = UUID.randomUUID();
163 * Simulate an onset event the policy engine will
164 * receive from DCAE to kick off processing through
167 sendEvent(pair.a, requestId, ControlLoopEventStatus.ONSET, "vnf01");
170 * Send a second event requesting an action for a different target entity
172 sendEvent(pair.a, requestId2, ControlLoopEventStatus.ONSET, "vnf02");
175 * Send a second event for a different target to ensure there
176 * are no problems with obtaining a lock for a different
178 kieSession.fireUntilHalt();
181 * The only fact in memory should be Params
183 assertEquals(1, kieSession.getFactCount());
186 * Print what's left in memory
188 dumpFacts(kieSession);
191 * Gracefully shut down the kie session
193 kieSession.dispose();
197 * This method will start a kie session and instantiate
200 * @param droolsTemplate
203 * the yaml file containing the policies
208 * @param policyVersion
209 * version of the policy
210 * @return the kieSession to be used to insert facts
211 * @throws IOException
213 private KieSession startSession(String droolsTemplate,
217 String policyVersion) throws IOException {
220 * Load policies from yaml
222 pair = Util.loadYaml(yamlFile);
224 assertNotNull(pair.a);
225 assertNotNull(pair.a.getControlLoop());
226 assertNotNull(pair.a.getControlLoop().getControlLoopName());
227 assertTrue(pair.a.getControlLoop().getControlLoopName().length() > 0);
230 * Construct a kie session
232 final KieSession kieSession = Util.buildContainer(droolsTemplate,
233 pair.a.getControlLoop().getControlLoopName(),
237 URLEncoder.encode(pair.b, "UTF-8"));
240 * Retrieve the Policy Engine
243 logger.debug("============");
244 logger.debug(URLEncoder.encode(pair.b, "UTF-8"));
245 logger.debug("============");
252 * @see org.onap.policy.drools.PolicyEngineListener#newEventNotification(java.lang.String)
254 public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
256 * Pull the object that was sent out to DMAAP and make
257 * sure it is a ControlLoopNoticiation of type active
260 if ("POLICY-CL-MGT".equals(topic)) {
261 obj = org.onap.policy.controlloop.util.Serialization.gsonJunit.fromJson(event, org.onap.policy.controlloop.VirtualControlLoopNotification.class);
263 else if ("APPC-LCM-READ".equals(topic))
264 obj = org.onap.policy.appclcm.util.Serialization.gsonJunit.fromJson(event, org.onap.policy.appclcm.LCMRequestWrapper.class);
266 if (obj instanceof VirtualControlLoopNotification) {
267 VirtualControlLoopNotification notification = (VirtualControlLoopNotification) obj;
268 String policyName = notification.policyName;
269 if (policyName.endsWith("EVENT")) {
270 logger.debug("Rule Fired: " + notification.policyName);
271 assertTrue(ControlLoopNotificationType.ACTIVE.equals(notification.notification));
273 else if (policyName.endsWith("GUARD_NOT_YET_QUERIED")) {
274 logger.debug("Rule Fired: " + notification.policyName);
275 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.notification));
276 assertNotNull(notification.message);
277 assertTrue(notification.message.startsWith("Sending guard query"));
279 else if (policyName.endsWith("GUARD.RESPONSE")) {
280 logger.debug("Rule Fired: " + notification.policyName);
281 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.notification));
282 assertNotNull(notification.message);
283 assertTrue(notification.message.toLowerCase().endsWith("permit"));
285 else if (policyName.endsWith("GUARD_PERMITTED")) {
286 logger.debug("Rule Fired: " + notification.policyName);
287 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.notification));
288 assertNotNull(notification.message);
289 assertTrue(notification.message.startsWith("actor=APPC"));
291 else if (policyName.endsWith("OPERATION.TIMEOUT")) {
292 logger.debug("Rule Fired: " + notification.policyName);
294 logger.debug("The operation timed out");
295 fail("Operation Timed Out");
297 else if (policyName.endsWith("APPC.LCM.RESPONSE")) {
298 logger.debug("Rule Fired: " + notification.policyName);
299 assertTrue(ControlLoopNotificationType.OPERATION_SUCCESS.equals(notification.notification));
300 assertNotNull(notification.message);
301 assertTrue(notification.message.startsWith("actor=APPC"));
302 if (requestId.equals(notification.requestID)) {
303 sendEvent(pair.a, requestId, ControlLoopEventStatus.ABATED, "vnf01");
305 else if (requestId2.equals(notification.requestID)) {
306 sendEvent(pair.a, requestId2, ControlLoopEventStatus.ABATED, "vnf02");
309 else if (policyName.endsWith("EVENT.MANAGER")) {
310 logger.debug("Rule Fired: " + notification.policyName);
311 if (requestId3.equals(notification.requestID)) {
313 * The event with the duplicate target should be rejected
315 assertTrue(ControlLoopNotificationType.REJECTED.equals(notification.notification));
318 assertTrue(ControlLoopNotificationType.FINAL_SUCCESS.equals(notification.notification));
320 if (++eventCount == 3) {
324 else if (policyName.endsWith("EVENT.MANAGER.TIMEOUT")) {
325 logger.debug("Rule Fired: " + notification.policyName);
327 logger.debug("The control loop timed out");
328 fail("Control Loop Timed Out");
331 else if (obj instanceof LCMRequestWrapper) {
333 * The request should be of type LCMRequestWrapper
334 * and the subrequestid should be 1
336 LCMRequestWrapper dmaapRequest = (LCMRequestWrapper) obj;
337 LCMRequest appcRequest = dmaapRequest.getBody();
338 assertTrue(appcRequest.getCommonHeader().getSubRequestId().equals("1"));
340 logger.debug("\n============ APPC received the request!!! ===========\n");
343 * Simulate a success response from APPC and insert
344 * the response into the working memory
346 LCMResponseWrapper dmaapResponse = new LCMResponseWrapper();
347 LCMResponse appcResponse = new LCMResponse(appcRequest);
348 appcResponse.getStatus().setCode(400);
349 appcResponse.getStatus().setMessage("AppC success");
350 dmaapResponse.setBody(appcResponse);
353 * Interrupting with a different request for the same
354 * target entity to check if lock will be denied
356 if (requestId.equals(appcResponse.getCommonHeader().getRequestId())) {
357 sendEvent(pair.a, requestId3, ControlLoopEventStatus.ONSET, "vnf01");
359 kieSession.insert(dmaapResponse);
364 * This method is used to simulate event messages from DCAE
365 * that start the control loop (onset message) or end the
366 * control loop (abatement message).
368 * @param policy the controlLoopName comes from the policy
369 * @param requestID the requestId for this event
370 * @param status could be onset or abated
371 * @param target, the target entity to take an action on
373 protected void sendEvent(ControlLoopPolicy policy, UUID requestID,
374 ControlLoopEventStatus status, String target) {
375 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
376 event.closedLoopControlName = policy.getControlLoop().getControlLoopName();
377 event.requestID = requestID;
378 event.target = "generic-vnf.vnf-id";
379 event.closedLoopAlarmStart = Instant.now();
380 event.AAI = new HashMap<>();
381 event.AAI.put("generic-vnf.vnf-id", target);
382 event.closedLoopEventStatus = status;
383 kieSession.insert(event);
387 * This method will dump all the facts in the working memory.
389 * @param kieSession the session containing the facts
391 public void dumpFacts(KieSession kieSession) {
392 logger.debug("Fact Count: {}", kieSession.getFactCount());
393 for (FactHandle handle : kieSession.getFactHandles()) {
394 logger.debug("FACT: {}", handle);