2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2019 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;
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.time.Instant;
29 import java.util.HashMap;
30 import java.util.UUID;
31 import org.junit.BeforeClass;
32 import org.junit.Test;
33 import org.onap.policy.appclcm.LcmRequest;
34 import org.onap.policy.appclcm.LcmRequestWrapper;
35 import org.onap.policy.appclcm.LcmResponse;
36 import org.onap.policy.appclcm.LcmResponseWrapper;
37 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
38 import org.onap.policy.common.endpoints.event.comm.TopicListener;
39 import org.onap.policy.common.endpoints.event.comm.TopicSink;
40 import org.onap.policy.controlloop.ControlLoopEventStatus;
41 import org.onap.policy.controlloop.ControlLoopNotificationType;
42 import org.onap.policy.controlloop.VirtualControlLoopEvent;
43 import org.onap.policy.controlloop.VirtualControlLoopNotification;
44 import org.onap.policy.controlloop.policy.ControlLoopPolicy;
46 public class ControlLoopFailureTest extends ControlLoopBase implements TopicListener {
48 private UUID requestId2;
49 private UUID requestId3;
50 private int eventCount;
56 public static void setUpBeforeClass() {
57 ControlLoopBase.setUpBeforeClass(
58 "../archetype-cl-amsterdam/src/main/resources/archetype-resources"
59 + "/src/main/resources/__closedLoopControlName__.drl",
60 "src/test/resources/yaml/policy_ControlLoop_vCPE.yaml",
61 "service=ServiceDemo;resource=Res1Demo;type=operational",
63 "org.onap.closed_loop.ServiceDemo:VNFS:1.0.0");
67 * This test case tests the scenario where 3 events occur and 2 of the requests refer to the
68 * same target entity while the 3rd is for another entity. The expected result is that the event
69 * with the duplicate target entity will have a final success result for one of the events, and
70 * a rejected message for the one that was unable to obtain the lock. The event that is
71 * referring to a different target entity should be able to obtain a lock since it is a
72 * different target. After processing of all events there should only be the params object left
76 public void targetLockedTest() {
79 * Allows the PolicyEngine to callback to this object to notify that there is an event ready
80 * to be pulled from the queue
82 for (TopicSink sink : noopTopics) {
83 assertTrue(sink.start());
88 * Create a unique requestId
90 requestId = UUID.randomUUID();
93 * This will be a unique request for another target entity
95 requestId2 = UUID.randomUUID();
98 * This will be a request duplicating the target entity of the first request
100 requestId3 = UUID.randomUUID();
103 * Simulate an onset event the policy engine will receive from DCAE to kick off processing
106 sendEvent(pair.first, requestId, ControlLoopEventStatus.ONSET, "vnf01");
109 * Send a second event requesting an action for a different target entity
111 sendEvent(pair.first, requestId2, ControlLoopEventStatus.ONSET, "vnf02");
114 * Send a second event for a different target to ensure there are no problems with obtaining
115 * a lock for a different
117 kieSession.fireUntilHalt();
119 // allow object clean-up
120 kieSession.fireAllRules();
123 * The only fact in memory should be Params
125 assertEquals(1, kieSession.getFactCount());
128 * Print what's left in memory
130 dumpFacts(kieSession);
136 * @see org.onap.policy.drools.PolicyEngineListener#newEventNotification(java.lang.String)
139 public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
141 * Pull the object that was sent out to DMAAP and make sure it is a ControlLoopNoticiation
145 if ("POLICY-CL-MGT".equals(topic)) {
146 obj = org.onap.policy.controlloop.util.Serialization.gsonJunit.fromJson(event,
147 org.onap.policy.controlloop.VirtualControlLoopNotification.class);
148 } else if ("APPC-LCM-READ".equals(topic)) {
149 obj = org.onap.policy.appclcm.util.Serialization.gsonJunit.fromJson(event,
150 org.onap.policy.appclcm.LcmRequestWrapper.class);
153 if (obj instanceof VirtualControlLoopNotification) {
154 VirtualControlLoopNotification notification = (VirtualControlLoopNotification) obj;
155 String policyName = notification.getPolicyName();
156 if (policyName.endsWith("EVENT")) {
157 logger.debug("Rule Fired: " + notification.getPolicyName());
158 assertTrue(ControlLoopNotificationType.ACTIVE.equals(notification.getNotification()));
159 } else if (policyName.endsWith("GUARD_NOT_YET_QUERIED")) {
160 logger.debug("Rule Fired: " + notification.getPolicyName());
161 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
162 assertNotNull(notification.getMessage());
163 assertTrue(notification.getMessage().startsWith("Sending guard query"));
164 } else if (policyName.endsWith("GUARD.RESPONSE")) {
165 logger.debug("Rule Fired: " + notification.getPolicyName());
166 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
167 assertNotNull(notification.getMessage());
168 assertTrue(notification.getMessage().toLowerCase().endsWith("permit"));
169 } else if (policyName.endsWith("GUARD_PERMITTED")) {
170 logger.debug("Rule Fired: " + notification.getPolicyName());
171 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
172 assertNotNull(notification.getMessage());
173 assertTrue(notification.getMessage().startsWith("actor=APPC"));
174 } else if (policyName.endsWith("OPERATION.TIMEOUT")) {
175 logger.debug("Rule Fired: " + notification.getPolicyName());
177 logger.debug("The operation timed out");
178 fail("Operation Timed Out");
179 } else if (policyName.endsWith("APPC.LCM.RESPONSE")) {
180 logger.debug("Rule Fired: " + notification.getPolicyName());
181 assertTrue(ControlLoopNotificationType.OPERATION_SUCCESS.equals(notification.getNotification()));
182 assertNotNull(notification.getMessage());
183 assertTrue(notification.getMessage().startsWith("actor=APPC"));
184 if (requestId.equals(notification.getRequestId())) {
185 sendEvent(pair.first, requestId, ControlLoopEventStatus.ABATED, "vnf01");
186 } else if (requestId2.equals(notification.getRequestId())) {
187 sendEvent(pair.first, requestId2, ControlLoopEventStatus.ABATED, "vnf02");
189 } else if (policyName.endsWith("EVENT.MANAGER")) {
190 logger.debug("Rule Fired: " + notification.getPolicyName());
191 if (requestId3.equals(notification.getRequestId())) {
193 * The event with the duplicate target should be rejected
195 assertTrue(ControlLoopNotificationType.REJECTED.equals(notification.getNotification()));
197 assertTrue(ControlLoopNotificationType.FINAL_SUCCESS.equals(notification.getNotification()));
199 if (++eventCount == 3) {
202 } else if (policyName.endsWith("EVENT.MANAGER.TIMEOUT")) {
203 logger.debug("Rule Fired: " + notification.getPolicyName());
205 logger.debug("The control loop timed out");
206 fail("Control Loop Timed Out");
208 } else if (obj instanceof LcmRequestWrapper) {
210 * The request should be of type LCMRequestWrapper and the subrequestid should be 1
212 LcmRequestWrapper dmaapRequest = (LcmRequestWrapper) obj;
213 LcmRequest appcRequest = dmaapRequest.getBody();
214 assertTrue(appcRequest.getCommonHeader().getSubRequestId().equals("1"));
216 logger.debug("\n============ APPC received the request!!! ===========\n");
219 * Simulate a success response from APPC and insert the response into the working memory
221 LcmResponseWrapper dmaapResponse = new LcmResponseWrapper();
222 LcmResponse appcResponse = new LcmResponse(appcRequest);
223 appcResponse.getStatus().setCode(400);
224 appcResponse.getStatus().setMessage("AppC success");
225 dmaapResponse.setBody(appcResponse);
228 * Interrupting with a different request for the same target entity to check if lock
231 if (requestId.equals(appcResponse.getCommonHeader().getRequestId())) {
232 sendEvent(pair.first, requestId3, ControlLoopEventStatus.ONSET, "vnf01");
234 kieSession.insert(dmaapResponse);
239 * This method is used to simulate event messages from DCAE that start the control loop (onset
240 * message) or end the control loop (abatement message).
242 * @param policy the controlLoopName comes from the policy
243 * @param requestId the requestId for this event
244 * @param status could be onset or abated
245 * @param target the target entity to take an action on
247 protected void sendEvent(ControlLoopPolicy policy, UUID requestId, ControlLoopEventStatus status, String target) {
248 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
249 event.setClosedLoopControlName(policy.getControlLoop().getControlLoopName());
250 event.setRequestId(requestId);
251 event.setTarget("generic-vnf.vnf-id");
252 event.setClosedLoopAlarmStart(Instant.now());
253 event.setAai(new HashMap<>());
254 event.getAai().put("generic-vnf.vnf-id", target);
255 event.getAai().put("vserver.vserver-name", "OzVServer");
256 event.setClosedLoopEventStatus(status);
257 kieSession.insert(event);