2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2018 Huawei. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 * ============LICENSE_END=========================================================
19 package org.onap.policy.template.demo;
21 import static org.junit.Assert.assertEquals;
22 import static org.junit.Assert.assertNotNull;
23 import static org.junit.Assert.assertTrue;
24 import static org.junit.Assert.fail;
26 import java.io.IOException;
27 import java.net.URLEncoder;
28 import java.time.Instant;
29 import java.util.HashMap;
30 import java.util.List;
31 import java.util.Properties;
32 import java.util.UUID;
34 import org.junit.AfterClass;
35 import org.junit.BeforeClass;
36 import org.junit.Test;
37 import org.kie.api.runtime.KieSession;
38 import org.kie.api.runtime.rule.FactHandle;
39 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
40 import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
41 import org.onap.policy.common.endpoints.event.comm.TopicListener;
42 import org.onap.policy.common.endpoints.event.comm.TopicSink;
43 import org.onap.policy.common.endpoints.http.server.HttpServletServer;
44 import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
45 import org.onap.policy.controlloop.ControlLoopEventStatus;
46 import org.onap.policy.controlloop.ControlLoopNotificationType;
47 import org.onap.policy.controlloop.ControlLoopTargetType;
48 import org.onap.policy.controlloop.VirtualControlLoopEvent;
49 import org.onap.policy.controlloop.VirtualControlLoopNotification;
50 import org.onap.policy.controlloop.policy.ControlLoopPolicy;
51 import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
52 import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
53 import org.onap.policy.drools.system.PolicyController;
54 import org.onap.policy.drools.system.PolicyEngine;
55 import org.onap.policy.drools.utils.logging.LoggerUtil;
56 import org.onap.policy.sdnc.SdncRequest;
57 import org.slf4j.Logger;
58 import org.slf4j.LoggerFactory;
60 public class CcvpnControlLoopTest implements TopicListener {
62 private static final Logger logger = LoggerFactory.getLogger(CcvpnControlLoopTest.class);
64 private static List<? extends TopicSink> noopTopics;
66 private static KieSession kieSession;
67 private static Util.Pair<ControlLoopPolicy, String> pair;
70 /* Set environment properties */
73 LoggerUtil.setLevel(LoggerUtil.ROOT_LOGGER, "INFO");
77 * Setup the simulator.
80 public static void setUpSimulator() {
81 PolicyEngine.manager.configure(new Properties());
82 assertTrue(PolicyEngine.manager.start());
83 Properties noopSinkProperties = new Properties();
84 noopSinkProperties.put(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS, "POLICY-CL-MGT");
85 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events",
86 "org.onap.policy.controlloop.VirtualControlLoopNotification");
87 noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events.custom.gson",
88 "org.onap.policy.controlloop.util.Serialization,gsonPretty");
89 noopTopics = TopicEndpoint.manager.addTopicSinks(noopSinkProperties);
91 EventProtocolCoder.manager.addEncoder("junit.groupId", "junit.artifactId", "POLICY-CL-MGT",
92 "org.onap.policy.controlloop.VirtualControlLoopNotification", new JsonProtocolFilter(),
98 } catch (Exception e) {
104 * Start the kie session
107 kieSession = startSession(
108 "../archetype-cl-amsterdam/src/main/resources/archetype-resources/"
109 + "src/main/resources/__closedLoopControlName__.drl",
110 "src/test/resources/yaml/policy_ControlLoop_CCVPN.yaml", "type=operational", "Connectivity Reroute",
112 } catch (IOException e) {
114 logger.debug("Could not create kieSession");
115 fail("Could not create kieSession");
120 * Tear down the simulator.
123 public static void tearDownSimulator() {
126 * Gracefully shut down the kie session
128 kieSession.dispose();
130 PolicyEngine.manager.stop();
131 HttpServletServer.factory.destroy();
132 PolicyController.factory.shutdown();
133 TopicEndpoint.manager.shutdown();
137 public void successTest() throws IOException {
140 * Allows the PolicyEngine to callback to this object to notify that there is an event ready
141 * to be pulled from the queue
143 for (TopicSink sink : noopTopics) {
144 assertTrue(sink.start());
149 * Simulate an onset event the policy engine will receive from DCAE to kick off processing
152 sendEvent(pair.first);
154 kieSession.fireUntilHalt();
156 // allow object clean-up
157 kieSession.fireAllRules();
160 * The only fact in memory should be Params
162 assertEquals(1, kieSession.getFactCount());
165 * Print what's left in memory
167 dumpFacts(kieSession);
171 public void nullRequestTest() throws IOException {
174 * Allows the PolicyEngine to callback to this object to notify that there is an event ready
175 * to be pulled from the queue
177 for (TopicSink sink : noopTopics) {
178 assertTrue(sink.start());
183 * Simulate an onset event the policy engine will receive from DCAE to kick off processing
187 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
188 event.setClosedLoopControlName(pair.first.getControlLoop().getControlLoopName());
189 event.setRequestId(UUID.randomUUID());
190 event.setClosedLoopEventClient("DCAE.HolmesInstance");
191 event.setTargetType(ControlLoopTargetType.VM);
192 event.setTarget("vserver.vserver-name");
193 event.setFrom("DCAE");
194 event.setClosedLoopAlarmStart(Instant.now());
195 event.setAai(new HashMap<String, String>());
196 event.getAai().put("vserver.vserver-name", "nullRequest");
197 event.setClosedLoopEventStatus(ControlLoopEventStatus.ONSET);
198 kieSession.insert(event);
200 kieSession.fireUntilHalt();
202 // allow object clean-up
203 kieSession.fireAllRules();
206 * The only fact in memory should be Params
208 assertEquals(1, kieSession.getFactCount());
211 * Print what's left in memory
213 dumpFacts(kieSession);
217 * This method will start a kie session and instantiate the Policy Engine.
219 * @param droolsTemplate the DRL rules file
220 * @param yamlFile the yaml file containing the policies
221 * @param policyScope scope for policy
222 * @param policyName name of the policy
223 * @param policyVersion version of the policy
224 * @return the kieSession to be used to insert facts
225 * @throws IOException IO Exception
227 private static KieSession startSession(String droolsTemplate, String yamlFile, String policyScope,
228 String policyName, String policyVersion) throws IOException {
231 * Load policies from yaml
233 pair = Util.loadYaml(yamlFile);
235 assertNotNull(pair.first);
236 assertNotNull(pair.first.getControlLoop());
237 assertNotNull(pair.first.getControlLoop().getControlLoopName());
238 assertTrue(pair.first.getControlLoop().getControlLoopName().length() > 0);
241 * Construct a kie session
243 final KieSession kieSession = Util.buildContainer(droolsTemplate,
244 pair.first.getControlLoop().getControlLoopName(),
245 policyScope, policyName, policyVersion, URLEncoder.encode(pair.second, "UTF-8"));
248 * Retrieve the Policy Engine
251 logger.debug("============");
252 logger.debug(URLEncoder.encode(pair.second, "UTF-8"));
253 logger.debug("============");
261 * @see org.onap.policy.drools.PolicyEngineListener#newEventNotification(java.lang.String)
264 public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
266 * Pull the object that was sent out to DMAAP and make sure it is a ControlLoopNoticiation
270 if ("POLICY-CL-MGT".equals(topic)) {
271 obj = org.onap.policy.controlloop.util.Serialization.gsonJunit.fromJson(event,
272 VirtualControlLoopNotification.class);
275 if (obj instanceof VirtualControlLoopNotification) {
276 VirtualControlLoopNotification notification = (VirtualControlLoopNotification) obj;
277 String policyName = notification.getPolicyName();
278 if (policyName.endsWith("EVENT")) {
279 logger.debug("Rule Fired: " + notification.getPolicyName());
280 assertTrue(ControlLoopNotificationType.ACTIVE.equals(notification.getNotification()));
281 } else if (policyName.endsWith("GUARD_NOT_YET_QUERIED")) {
282 logger.debug("Rule Fired: " + notification.getPolicyName());
283 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
284 assertNotNull(notification.getMessage());
285 assertTrue(notification.getMessage().startsWith("Sending guard query"));
286 } else if (policyName.endsWith("GUARD.RESPONSE")) {
287 logger.debug("Rule Fired: " + notification.getPolicyName());
288 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
289 assertNotNull(notification.getMessage());
290 assertTrue(notification.getMessage().toLowerCase().endsWith("permit"));
291 } else if (policyName.endsWith("GUARD_PERMITTED")) {
292 logger.debug("Rule Fired: " + notification.getPolicyName());
293 assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.getNotification()));
294 assertNotNull(notification.getMessage());
295 assertTrue(notification.getMessage().startsWith("actor=SDNC"));
296 } else if (policyName.endsWith("OPERATION.TIMEOUT")) {
297 logger.debug("Rule Fired: " + notification.getPolicyName());
299 logger.debug("The operation timed out");
300 fail("Operation Timed Out");
301 } else if (policyName.endsWith("SDNC.RESPONSE")) {
302 logger.debug("Rule Fired: " + notification.getPolicyName());
303 assertTrue(ControlLoopNotificationType.OPERATION_SUCCESS.equals(notification.getNotification()));
304 assertNotNull(notification.getMessage());
305 assertTrue(notification.getMessage().startsWith("actor=SDNC"));
306 } else if (policyName.endsWith("EVENT.MANAGER")) {
307 logger.debug("Rule Fired: " + notification.getPolicyName());
308 if ("nullRequest".equals(notification.getAai().get("vserver.vserver-name"))) {
309 assertEquals(ControlLoopNotificationType.FINAL_FAILURE, notification.getNotification());
311 assertEquals(ControlLoopNotificationType.FINAL_SUCCESS, notification.getNotification());
314 } else if (policyName.endsWith("EVENT.MANAGER.TIMEOUT")) {
315 logger.debug("Rule Fired: " + notification.getPolicyName());
317 logger.debug("The control loop timed out");
318 fail("Control Loop Timed Out");
320 } else if (obj instanceof SdncRequest) {
321 logger.debug("\n============ SDNC received the request!!! ===========\n");
326 * This method is used to simulate event messages from DCAE that start the control loop (onset
327 * message) or end the control loop (abatement message).
329 * @param policy the controlLoopName comes from the policy
331 protected void sendEvent(ControlLoopPolicy policy) {
332 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
333 event.setClosedLoopControlName(policy.getControlLoop().getControlLoopName());
334 event.setRequestId(UUID.randomUUID());
335 event.setClosedLoopEventClient("DCAE.HolmesInstance");
336 event.setTargetType(ControlLoopTargetType.VM);
337 event.setTarget("vserver.vserver-name");
338 event.setFrom("DCAE");
339 event.setClosedLoopAlarmStart(Instant.now());
340 event.setAai(new HashMap<String, String>());
341 event.getAai().put("vserver.vserver-name", "TBD");
342 event.getAai().put("globalSubscriberId", "e151059a-d924-4629-845f-264db19e50b4");
343 event.getAai().put("serviceType", "SOTN");
344 event.getAai().put("service-instance.service-instance-id", "service-instance-id-example-1");
345 event.getAai().put("network-information.network-id", "id");
346 event.setClosedLoopEventStatus(ControlLoopEventStatus.ONSET);
347 kieSession.insert(event);
351 * Dumps the kie session facts.
353 * @param kieSession input session
355 public static void dumpFacts(KieSession kieSession) {
356 logger.debug("Fact Count: " + kieSession.getFactCount());
357 for (FactHandle handle : kieSession.getFactHandles()) {
358 logger.debug("FACT: " + handle);