/*- * ============LICENSE_START======================================================= * demo * ================================================================================ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ============LICENSE_END========================================================= */ package org.onap.policy.template.demo; import static org.junit.Assert.*; import java.io.IOException; import java.net.URLEncoder; import java.time.Instant; import java.util.HashMap; import java.util.List; import java.util.Properties; import java.util.UUID; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Test; import org.kie.api.runtime.KieSession; import org.kie.api.runtime.rule.FactHandle; import org.onap.policy.appclcm.LCMRequest; import org.onap.policy.appclcm.LCMRequestWrapper; import org.onap.policy.appclcm.LCMResponse; import org.onap.policy.appclcm.LCMResponseWrapper; import org.onap.policy.controlloop.ControlLoopEventStatus; import org.onap.policy.controlloop.ControlLoopNotificationType; import org.onap.policy.controlloop.VirtualControlLoopEvent; import org.onap.policy.controlloop.VirtualControlLoopNotification; import org.onap.policy.controlloop.policy.ControlLoopPolicy; import org.onap.policy.drools.event.comm.Topic.CommInfrastructure; import org.onap.policy.drools.event.comm.TopicEndpoint; import org.onap.policy.drools.event.comm.TopicListener; import org.onap.policy.drools.event.comm.TopicSink; import org.onap.policy.drools.http.server.HttpServletServer; import org.onap.policy.drools.properties.PolicyProperties; import org.onap.policy.drools.protocol.coders.EventProtocolCoder; import org.onap.policy.drools.protocol.coders.JsonProtocolFilter; import org.onap.policy.drools.system.PolicyEngine; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class VCPEControlLoopTest implements TopicListener { private static final Logger logger = LoggerFactory.getLogger(VCPEControlLoopTest.class); private static List noopTopics; private static KieSession kieSession; private static Util.Pair pair; private UUID requestID; static { /* Set environment properties */ Util.setAAIProps(); Util.setGuardProps(); Util.setPUProp(); } @BeforeClass public static void setUpSimulator() { PolicyEngine.manager.configure(new Properties()); assertTrue(PolicyEngine.manager.start()); Properties noopSinkProperties = new Properties(); noopSinkProperties.put(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS, "APPC-LCM-READ,POLICY-CL-MGT"); noopSinkProperties.put("noop.sink.topics.APPC-LCM-READ.events", "org.onap.policy.appclcm.LCMRequestWrapper"); noopSinkProperties.put("noop.sink.topics.APPC-LCM-READ.events.custom.gson", "org.onap.policy.appclcm.util.Serialization,gson"); noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events", "org.onap.policy.controlloop.VirtualControlLoopNotification"); noopSinkProperties.put("noop.sink.topics.POLICY-CL-MGT.events.custom.gson", "org.onap.policy.controlloop.util.Serialization,gsonPretty"); noopTopics = TopicEndpoint.manager.addTopicSinks(noopSinkProperties); EventProtocolCoder.manager.addEncoder("junit.groupId", "junit.artifactId", "POLICY-CL-MGT", "org.onap.policy.controlloop.VirtualControlLoopNotification", new JsonProtocolFilter(), null, null, 1111); EventProtocolCoder.manager.addEncoder("junit.groupId", "junit.artifactId", "APPC-LCM-READ", "org.onap.policy.appclcm.LCMRequestWrapper", new JsonProtocolFilter(), null, null, 1111); try { Util.buildAaiSim(); Util.buildGuardSim(); } catch (Exception e) { fail(e.getMessage()); } /* * Start the kie session */ try { kieSession = startSession("../archetype-cl-amsterdam/src/main/resources/archetype-resources/src/main/resources/__closedLoopControlName__.drl", "src/test/resources/yaml/policy_ControlLoop_vCPE.yaml", "service=ServiceDemo;resource=Res1Demo;type=operational", "CL_vCPE", "org.onap.closed_loop.ServiceDemo:VNFS:1.0.0"); } catch (IOException e) { e.printStackTrace(); logger.debug("Could not create kieSession"); fail("Could not create kieSession"); } } @AfterClass public static void tearDownSimulator() { /* * Gracefully shut down the kie session */ kieSession.dispose(); HttpServletServer.factory.destroy(); PolicyEngine.manager.shutdown(); TopicEndpoint.manager.shutdown(); PolicyEngine.manager.stop(); } @Test public void successTest() { /* * Allows the PolicyEngine to callback to this object to * notify that there is an event ready to be pulled * from the queue */ for (TopicSink sink : noopTopics) { assertTrue(sink.start()); sink.register(this); } /* * Create a unique requestId */ requestID = UUID.randomUUID(); /* * Simulate an onset event the policy engine will * receive from DCAE to kick off processing through * the rules */ sendEvent(pair.a, requestID, ControlLoopEventStatus.ONSET); kieSession.fireUntilHalt(); /* * The only fact in memory should be Params */ assertEquals(1, kieSession.getFactCount()); /* * Print what's left in memory */ dumpFacts(kieSession); } @Test public void aaiGetFailTest() { /* * Allows the PolicyEngine to callback to this object to * notify that there is an event ready to be pulled * from the queue */ for (TopicSink sink : noopTopics) { assertTrue(sink.start()); sink.register(this); } /* * Create a unique requestId */ requestID = UUID.randomUUID(); /* * Simulate an onset event the policy engine will * receive from DCAE to kick off processing through * the rules */ sendEvent(pair.a, requestID, ControlLoopEventStatus.ONSET, "getFail"); kieSession.fireUntilHalt(); /* * The only fact in memory should be Params */ assertEquals(1, kieSession.getFactCount()); /* * Print what's left in memory */ dumpFacts(kieSession); } /** * This method will start a kie session and instantiate * the Policy Engine. * * @param droolsTemplate * the DRL rules file * @param yamlFile * the yaml file containing the policies * @param policyScope * scope for policy * @param policyName * name of the policy * @param policyVersion * version of the policy * @return the kieSession to be used to insert facts * @throws IOException */ private static KieSession startSession(String droolsTemplate, String yamlFile, String policyScope, String policyName, String policyVersion) throws IOException { /* * Load policies from yaml */ pair = Util.loadYaml(yamlFile); assertNotNull(pair); assertNotNull(pair.a); assertNotNull(pair.a.getControlLoop()); assertNotNull(pair.a.getControlLoop().getControlLoopName()); assertTrue(pair.a.getControlLoop().getControlLoopName().length() > 0); /* * Construct a kie session */ final KieSession kieSession = Util.buildContainer(droolsTemplate, pair.a.getControlLoop().getControlLoopName(), policyScope, policyName, policyVersion, URLEncoder.encode(pair.b, "UTF-8")); /* * Retrieve the Policy Engine */ logger.debug("============"); logger.debug(URLEncoder.encode(pair.b, "UTF-8")); logger.debug("============"); return kieSession; } /* * (non-Javadoc) * @see org.onap.policy.drools.PolicyEngineListener#newEventNotification(java.lang.String) */ public void onTopicEvent(CommInfrastructure commType, String topic, String event) { /* * Pull the object that was sent out to DMAAP and make * sure it is a ControlLoopNoticiation of type active */ Object obj = null; if ("POLICY-CL-MGT".equals(topic)) { obj = org.onap.policy.controlloop.util.Serialization.gsonJunit.fromJson(event, org.onap.policy.controlloop.VirtualControlLoopNotification.class); } else if ("APPC-LCM-READ".equals(topic)) obj = org.onap.policy.appclcm.util.Serialization.gsonJunit.fromJson(event, org.onap.policy.appclcm.LCMRequestWrapper.class); assertNotNull(obj); if (obj instanceof VirtualControlLoopNotification) { VirtualControlLoopNotification notification = (VirtualControlLoopNotification) obj; String policyName = notification.policyName; if (policyName.endsWith("EVENT")) { logger.debug("Rule Fired: " + notification.policyName); if ("getFail".equals(notification.AAI.get("generic-vnf.vnf-name"))) { assertEquals(ControlLoopNotificationType.REJECTED, notification.notification); kieSession.halt(); } else { assertTrue(ControlLoopNotificationType.ACTIVE.equals(notification.notification)); } } else if (policyName.endsWith("GUARD_NOT_YET_QUERIED")) { logger.debug("Rule Fired: " + notification.policyName); assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.notification)); assertNotNull(notification.message); assertTrue(notification.message.startsWith("Sending guard query")); } else if (policyName.endsWith("GUARD.RESPONSE")) { logger.debug("Rule Fired: " + notification.policyName); assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.notification)); assertNotNull(notification.message); assertTrue(notification.message.toLowerCase().endsWith("permit")); } else if (policyName.endsWith("GUARD_PERMITTED")) { logger.debug("Rule Fired: " + notification.policyName); assertTrue(ControlLoopNotificationType.OPERATION.equals(notification.notification)); assertNotNull(notification.message); assertTrue(notification.message.startsWith("actor=APPC")); } else if (policyName.endsWith("OPERATION.TIMEOUT")) { logger.debug("Rule Fired: " + notification.policyName); kieSession.halt(); logger.debug("The operation timed out"); fail("Operation Timed Out"); } else if (policyName.endsWith("APPC.LCM.RESPONSE")) { logger.debug("Rule Fired: " + notification.policyName); assertTrue(ControlLoopNotificationType.OPERATION_SUCCESS.equals(notification.notification)); assertNotNull(notification.message); assertTrue(notification.message.startsWith("actor=APPC")); sendEvent(pair.a, requestID, ControlLoopEventStatus.ABATED); } else if (policyName.endsWith("EVENT.MANAGER")) { logger.debug("Rule Fired: " + notification.policyName); assertTrue(ControlLoopNotificationType.FINAL_SUCCESS.equals(notification.notification)); kieSession.halt(); } else if (policyName.endsWith("EVENT.MANAGER.TIMEOUT")) { logger.debug("Rule Fired: " + notification.policyName); kieSession.halt(); logger.debug("The control loop timed out"); fail("Control Loop Timed Out"); } } else if (obj instanceof LCMRequestWrapper) { /* * The request should be of type LCMRequestWrapper * and the subrequestid should be 1 */ LCMRequestWrapper dmaapRequest = (LCMRequestWrapper) obj; LCMRequest appcRequest = dmaapRequest.getBody(); assertTrue(appcRequest.getCommonHeader().getSubRequestId().equals("1")); logger.debug("\n============ APPC received the request!!! ===========\n"); /* * Simulate a success response from APPC and insert * the response into the working memory */ LCMResponseWrapper dmaapResponse = new LCMResponseWrapper(); LCMResponse appcResponse = new LCMResponse(appcRequest); appcResponse.getStatus().setCode(400); appcResponse.getStatus().setMessage("AppC success"); dmaapResponse.setBody(appcResponse); kieSession.insert(dmaapResponse); } } /** * This method is used to simulate event messages from DCAE * that start the control loop (onset message) or end the * control loop (abatement message). * * @param policy the controlLoopName comes from the policy * @param requestID the requestId for this event * @param status could be onset or abated */ protected void sendEvent(ControlLoopPolicy policy, UUID requestID, ControlLoopEventStatus status) { VirtualControlLoopEvent event = new VirtualControlLoopEvent(); event.closedLoopControlName = policy.getControlLoop().getControlLoopName(); event.requestID = requestID; event.target = "generic-vnf.vnf-name"; event.closedLoopAlarmStart = Instant.now(); event.AAI = new HashMap<>(); event.AAI.put("generic-vnf.vnf-name", "testGenericVnfName"); event.closedLoopEventStatus = status; kieSession.insert(event); } protected void sendEvent(ControlLoopPolicy policy, UUID requestID, ControlLoopEventStatus status, String vnfName) { VirtualControlLoopEvent event = new VirtualControlLoopEvent(); event.closedLoopControlName = policy.getControlLoop().getControlLoopName(); event.requestID = requestID; event.target = "generic-vnf.vnf-name"; event.closedLoopAlarmStart = Instant.now(); event.AAI = new HashMap<>(); event.AAI.put("generic-vnf.vnf-name", vnfName); event.closedLoopEventStatus = status; kieSession.insert(event); } /** * This method will dump all the facts in the working memory. * * @param kieSession the session containing the facts */ public void dumpFacts(KieSession kieSession) { logger.debug("Fact Count: {}", kieSession.getFactCount()); for (FactHandle handle : kieSession.getFactHandles()) { logger.debug("FACT: {}", handle); } } }