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.assertFalse;
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.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.appc.Request;
40 import org.onap.policy.appc.Response;
41 import org.onap.policy.appc.ResponseCode;
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.controlloop.policy.TargetType;
48 import org.onap.policy.drools.http.server.HttpServletServer;
49 import org.onap.policy.drools.impl.PolicyEngineJUnitImpl;
50 import org.onap.policy.guard.PolicyGuard;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
54 public class VFWControlLoopTest {
56 private static final Logger logger = LoggerFactory.getLogger(VFWControlLoopTest.class);
58 private KieSession kieSession;
59 private Util.Pair<ControlLoopPolicy, String> pair;
60 private PolicyEngineJUnitImpl engine;
63 /* Set environment properties */
70 public static void setUpSimulator() {
74 } catch (Exception e) {
80 public static void tearDownSimulator() {
81 HttpServletServer.factory.destroy();
85 public void successTest() {
88 * Start the kie session
91 kieSession = startSession("src/main/resources/ControlLoop_Template_xacml_guard.drl",
92 "src/test/resources/yaml/policy_ControlLoop_vFW.yaml",
93 "service=ServiceDemo;resource=Res1Demo;type=operational",
95 "org.onap.closed_loop.ServiceDemo:VNFS:1.0.0");
96 } catch (IOException e) {
98 logger.debug("Could not create kieSession");
99 fail("Could not create kieSession");
103 * Create a thread to continuously fire rules
104 * until main thread calls halt
106 new Thread( new Runnable() {
109 kieSession.fireUntilHalt();
114 * Create a unique requestId and a unique trigger source
116 UUID requestID = UUID.randomUUID();
117 String triggerSourceName = "foobartriggersource36";
120 * This will be the object returned from the PolicyEngine
125 * Simulate an onset event the policy engine will
126 * receive from DCAE to kick off processing through
130 sendOnset(pair.a, requestID, triggerSourceName);
131 } catch (InterruptedException e) {
133 logger.debug("Unable to send onset event");
134 fail("Unable to send onset event");
138 * Pull the object that was sent out to DMAAP and make
139 * sure it is a ControlLoopNoticiation of type active
141 obj = engine.subscribe("UEB", "POLICY-CL-MGT");
143 assertTrue(obj instanceof VirtualControlLoopNotification);
144 assertTrue(((VirtualControlLoopNotification)obj).notification.equals(ControlLoopNotificationType.ACTIVE));
147 * Give the control loop time to acquire a lock
151 } catch (InterruptedException e) {
153 logger.debug("An interrupt Exception was thrown");
154 fail("An interrupt Exception was thrown");
158 * The fact should be ready to query guard now to see
159 * if a ModifyConfig recipe is allowed
161 obj = engine.subscribe("UEB", "POLICY-CL-MGT");
163 logger.debug("\n\n####################### GOING TO QUERY GUARD about ModifyConfig!!!!!!");
164 logger.debug("Rule: {} Message {}", ((VirtualControlLoopNotification)obj).policyName, ((VirtualControlLoopNotification)obj).message);
167 * Make sure the object is an instance of a ControlLoopNotification
168 * and is of type operation
170 assertTrue(obj instanceof VirtualControlLoopNotification);
171 assertTrue(((VirtualControlLoopNotification)obj).notification.equals(ControlLoopNotificationType.OPERATION));
175 } catch (InterruptedException e) {
177 logger.debug("An interrupt Exception was thrown");
178 fail("An interrupt Exception was thrown");
182 * The guard response should be received at this point
184 obj = engine.subscribe("UEB", "POLICY-CL-MGT");
186 logger.debug("Rule: {} Message {}", ((VirtualControlLoopNotification)obj).policyName, ((VirtualControlLoopNotification)obj).message);
189 * The object should be a ControlLoopNotification with type operation
191 assertTrue(obj instanceof VirtualControlLoopNotification);
192 assertTrue(((VirtualControlLoopNotification)obj).notification.equals(ControlLoopNotificationType.OPERATION));
195 * See if Guard permits this action, if it does
196 * not then the test should fail
198 if (((VirtualControlLoopNotification)obj).message.contains("PERMIT")) {
201 * Obtain the ControlLoopNoticiation, it should be of type operation
203 obj = engine.subscribe("UEB", "POLICY-CL-MGT");
205 logger.debug("Rule: {} Message {}", ((VirtualControlLoopNotification)obj).policyName, ((VirtualControlLoopNotification)obj).message);
208 * A notification should be sent out of the Policy
209 * Engine at this point, it will be of type operation
211 assertTrue(obj instanceof VirtualControlLoopNotification);
212 assertTrue(((VirtualControlLoopNotification)obj).notification.equals(ControlLoopNotificationType.OPERATION));
216 } catch (InterruptedException e) {
218 logger.debug("An interrupt Exception was thrown");
219 fail("An interrupt Exception was thrown");
223 * Obtain the request sent from the Policy Engine
225 obj = engine.subscribe("UEB", "APPC-CL");
229 * The request should be of type Request
230 * and the subrequestid should be 1
232 assertTrue(obj instanceof Request);
233 assertTrue(((Request)obj).getCommonHeader().SubRequestID.equals("1"));
235 logger.debug("\n============ APPC received the request!!! ===========\n");
238 * Give some time for processing
242 } catch (InterruptedException e) {
244 logger.debug("An interrupt Exception was thrown");
245 fail("An interrupt Exception was thrown");
249 * Simulate a success response from APPC and insert
250 * the response into the working memory
252 Response appcResponse = new Response((Request)obj);
253 appcResponse.getStatus().Code = ResponseCode.SUCCESS.getValue();
254 appcResponse.getStatus().Value = "SUCCESS";
255 kieSession.insert(appcResponse);
258 * Give time for processing
262 } catch (InterruptedException e) {
264 logger.debug("An interrupt Exception was thrown");
265 fail("An interrupt Exception was thrown");
269 * Make sure the next notification is delivered
271 obj = engine.subscribe("UEB", "POLICY-CL-MGT");
273 logger.debug("Rule: {} Message {}", ((VirtualControlLoopNotification)obj).policyName, ((VirtualControlLoopNotification)obj).message);
276 * The ControlLoopNotification should be
277 * an OPERATION_SUCCESS
279 assertTrue(obj instanceof VirtualControlLoopNotification);
280 assertTrue(((VirtualControlLoopNotification)obj).notification.equals(ControlLoopNotificationType.OPERATION_SUCCESS));
283 * Now simulate the abatement sent from DCAE
286 sendAbatement(pair.a, requestID, triggerSourceName);
287 } catch (InterruptedException e1) {
288 e1.printStackTrace();
289 logger.debug("Abatement could not be sent");
290 fail("Abatement could not be sent");
294 * Give time to finish processing
298 } catch (InterruptedException e) {
300 logger.debug("An interrupt Exception was thrown");
301 fail("An interrupt Exception was thrown");
305 * This should be the final notification from the Policy Engine
307 obj = engine.subscribe("UEB", "POLICY-CL-MGT");
309 logger.debug("Rule: {} Message {}", ((VirtualControlLoopNotification)obj).policyName, ((VirtualControlLoopNotification)obj).message);
312 * The ControlLoopNotification should be of type FINAL_SUCCESS
314 assertTrue(obj instanceof VirtualControlLoopNotification);
315 assertTrue(((VirtualControlLoopNotification)obj).notification.equals(ControlLoopNotificationType.FINAL_SUCCESS));
318 * One final check to make sure the lock is released
320 assertFalse(PolicyGuard.isLocked(TargetType.VNF, triggerSourceName, requestID));
323 fail("Operation Denied by Guard");
327 * This will stop the thread that is firing the rules
332 * The only fact in memory should be Params
334 // assertEquals(1, kieSession.getFactCount());
335 if (kieSession.getFactCount() != 1L) {
336 logger.error("FACT count mismatch: 1 expected but there are {}", kieSession.getFactCount());
340 * Print what's left in memory
342 dumpFacts(kieSession);
345 * Gracefully shut down the kie session
347 kieSession.dispose();
351 * This method will start a kie session and instantiate
354 * @param droolsTemplate
357 * the yaml file containing the policies
362 * @param policyVersion
363 * version of the policy
364 * @return the kieSession to be used to insert facts
365 * @throws IOException
367 private KieSession startSession(String droolsTemplate,
371 String policyVersion) throws IOException {
374 * Load policies from yaml
376 pair = Util.loadYaml(yamlFile);
378 assertNotNull(pair.a);
379 assertNotNull(pair.a.getControlLoop());
380 assertNotNull(pair.a.getControlLoop().getControlLoopName());
381 assertTrue(pair.a.getControlLoop().getControlLoopName().length() > 0);
384 * Construct a kie session
386 final KieSession kieSession = Util.buildContainer(droolsTemplate,
387 pair.a.getControlLoop().getControlLoopName(),
391 URLEncoder.encode(pair.b, "UTF-8"));
394 * Retrieve the Policy Engine
396 engine = (PolicyEngineJUnitImpl) kieSession.getGlobal("Engine");
398 logger.debug("============");
399 logger.debug(URLEncoder.encode(pair.b, "UTF-8"));
400 logger.debug("============");
406 * This method is used to simulate event messages from DCAE
407 * that start the control loop (onset message).
409 * @param policy the controlLoopName comes from the policy
410 * @param requestID the requestId for this event
411 * @param triggerSourceName
412 * @throws InterruptedException
414 protected void sendOnset(ControlLoopPolicy policy, UUID requestID, String triggerSourceName) throws InterruptedException {
415 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
416 event.closedLoopControlName = policy.getControlLoop().getControlLoopName();
417 event.requestID = requestID;
418 event.target = "generic-vnf.vnf-id";
419 event.closedLoopAlarmStart = Instant.now();
420 event.AAI = new HashMap<>();
421 event.AAI.put("generic-vnf.vnf-id", "testGenericVnfID");
422 event.closedLoopEventStatus = ControlLoopEventStatus.ONSET;
423 kieSession.insert(event);
428 * This method is used to simulate event messages from DCAE
429 * that end the control loop (abatement message).
431 * @param policy the controlLoopName comes from the policy
432 * @param requestID the requestId for this event
433 * @param triggerSourceName
434 * @throws InterruptedException
436 protected void sendAbatement(ControlLoopPolicy policy, UUID requestID, String triggerSourceName) throws InterruptedException {
437 VirtualControlLoopEvent event = new VirtualControlLoopEvent();
438 event.closedLoopControlName = policy.getControlLoop().getControlLoopName();
439 event.requestID = requestID;
440 event.target = "generic-vnf.vnf-id";
441 event.closedLoopAlarmStart = Instant.now().minusSeconds(5);
442 event.closedLoopAlarmEnd = Instant.now();
443 event.AAI = new HashMap<>();
444 event.AAI.put("cloud-region.identity-url", "foo");
445 event.AAI.put("vserver.selflink", "bar");
446 event.AAI.put("vserver.is-closed-loop-disabled", "false");
447 event.AAI.put("generic-vnf.vnf-id", "testGenericVnfID");
448 event.closedLoopEventStatus = ControlLoopEventStatus.ABATED;
449 kieSession.insert(event);
453 * This method will dump all the facts in the working memory.
455 * @param kieSession the session containing the facts
457 public void dumpFacts(KieSession kieSession) {
458 logger.debug("Fact Count: {}", kieSession.getFactCount());
459 for (FactHandle handle : kieSession.getFactHandles()) {
460 logger.debug("FACT: {}", handle);