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/*-
* ============LICENSE_START=======================================================
* demo
* ================================================================================
* Copyright (C) 2017 Intel Corp. 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.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.Instant;
import java.util.HashMap;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.kie.api.KieServices;
import org.kie.api.builder.KieBuilder;
import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.Message;
import org.kie.api.builder.ReleaseId;
import org.kie.api.builder.Results;
import org.kie.api.builder.model.KieModuleModel;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.rule.FactHandle;
import org.onap.policy.controlloop.ControlLoopEventStatus;
import org.onap.policy.controlloop.ControlLoopLogger;
import org.onap.policy.controlloop.ControlLoopTargetType;
import org.onap.policy.controlloop.VirtualControlLoopEvent;
import org.onap.policy.controlloop.impl.ControlLoopLoggerStdOutImpl;
import org.onap.policy.controlloop.policy.ControlLoopPolicy;
import org.onap.policy.drools.http.server.HttpServletServer;
import org.onap.policy.drools.impl.PolicyEngineJUnitImpl;
import org.onap.policy.vfc.util.Serialization;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class VFCControlLoopTest {
private static final Logger log = LoggerFactory.getLogger(VFCControlLoopTest.class);
private KieSession kieSession;
private Util.Pair<ControlLoopPolicy, String> pair;
private PolicyEngineJUnitImpl engine;
@BeforeClass
public static void setUpSimulator() {
try {
Util.buildAaiSim();
Util.buildVfcSim();
} catch (Exception e) {
fail(e.getMessage());
}
}
@AfterClass
public static void tearDownSimulator() {
HttpServletServer.factory.destroy();
}
@Test
public void testVolte() throws IOException {
final String yaml = "src/test/resources/yaml/policy_ControlLoop_VFC.yaml";
//
// Pull info from the yaml
//
final Util.Pair<ControlLoopPolicy, String> pair = Util.loadYaml(yaml);
assertNotNull(pair);
assertNotNull(pair.a);
assertNotNull(pair.a.getControlLoop());
assertNotNull(pair.a.getControlLoop().getControlLoopName());
assertTrue(pair.a.getControlLoop().getControlLoopName().length() > 0);
final String closedLoopControlName = pair.a.getControlLoop().getControlLoopName();
/*
* Start the kie session
*/
try {
kieSession = startSession("src/main/resources/ControlLoop_Template_xacml_guard.drl",
"src/test/resources/yaml/policy_ControlLoop_VFC.yaml",
"service=ServiceTest;resource=ResourceTest;type=operational",
"CL_VFC",
"org.onap.closed_loop.ServiceTest:VNFS:1.0.0");
} catch (IOException e) {
e.printStackTrace();
log.debug("Could not create kieSession");
fail("Could not create kieSession");
}
//
// Insert our globals
//
final ControlLoopLogger logger = new ControlLoopLoggerStdOutImpl();
kieSession.setGlobal("Logger", logger);
final PolicyEngineJUnitImpl engine = new PolicyEngineJUnitImpl();
kieSession.setGlobal("Engine", engine);
//
// Initial fire of rules
//
kieSession.fireAllRules();
//
// Kick a thread that starts testing
//
new Thread(new Runnable() {
@Override
public void run() {
log.debug("\n************ Starting VoLTE Test *************\n");
//
// Generate an invalid DCAE Event with requestID=null
//
VirtualControlLoopEvent invalidEvent = new VirtualControlLoopEvent();
invalidEvent.closedLoopControlName = closedLoopControlName;
invalidEvent.requestID = null;
invalidEvent.closedLoopEventClient = "tca.instance00009";
invalidEvent.target_type = ControlLoopTargetType.VNF;
invalidEvent.target = "generic-vnf.vnf-id";
invalidEvent.from = "DCAE";
invalidEvent.closedLoopAlarmStart = Instant.now();
invalidEvent.AAI = new HashMap<String, String>();
invalidEvent.AAI.put("vserver.vserver-name", "vserver-name-16102016-aai3255-data-11-1");
invalidEvent.closedLoopEventStatus = ControlLoopEventStatus.ONSET;
log.debug("-------- Sending Invalid ONSET --------");
log.debug(Serialization.gsonPretty.toJson(invalidEvent));
//
// Insert invalid DCAE Event into memory
//
kieSession.insert(invalidEvent);
try {
Thread.sleep(500);
} catch (InterruptedException e) {
}
//
// Generate first DCAE ONSET Event
//
VirtualControlLoopEvent onsetEvent = new VirtualControlLoopEvent();
onsetEvent.closedLoopControlName = closedLoopControlName;
onsetEvent.requestID = UUID.randomUUID();
onsetEvent.closedLoopEventClient = "tca.instance00009";
onsetEvent.target_type = ControlLoopTargetType.VM;
onsetEvent.target = "VM_NAME";
onsetEvent.from = "DCAE";
onsetEvent.closedLoopAlarmStart = Instant.now();
onsetEvent.AAI = new HashMap<String, String>();
onsetEvent.AAI.put("vserver.vserver-name", "vserver-name-16102016-aai3255-data-11-1");
onsetEvent.AAI.put("vserver.vserver-id", "vserver-id-16102016-aai3255-data-11-1");
onsetEvent.AAI.put("generic-vnf.vnf-id", "vnf-id-16102016-aai3255-data-11-1");
onsetEvent.AAI.put("service-instance.service-instance-id", "service-instance-id-16102016-aai3255-data-11-1");
onsetEvent.AAI.put("vserver.is-closed-loop-disabled", "false");
onsetEvent.closedLoopEventStatus = ControlLoopEventStatus.ONSET;
log.debug("-------- Sending Valid ONSET --------");
log.debug(Serialization.gsonPretty.toJson(onsetEvent));
//
// Insert first DCAE ONSET Event into memory
//
kieSession.insert(onsetEvent);
//
// We have test for subsequent ONSET Events in testvFirewall()
// So no need to test it again here
//
try {
Thread.sleep(30000);
} catch (InterruptedException e) {
}
//
// Test is finished, so stop the kieSession
//
kieSession.halt();
}
//
}).start();
//
// Start firing rules
//
kieSession.fireUntilHalt();
//
// Dump working memory
//
dumpFacts(kieSession);
//
// See if there is anything left in memory, there SHOULD only be
// a params fact.
//
assertEquals("There should only be 1 Fact left in memory.", 1, kieSession.getFactCount());
for (FactHandle handle : kieSession.getFactHandles()) {
Object fact = kieSession.getObject(handle);
assertEquals("Non-Param Fact left in working memory", "org.onap.policy.controlloop.Params", fact.getClass().getName());
}
}
public static void dumpFacts(KieSession kieSession) {
log.debug("Fact Count: " + kieSession.getFactCount());
for (FactHandle handle : kieSession.getFactHandles()) {
log.debug("FACT: " + handle);
}
}
/**
* 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 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
*/
engine = (PolicyEngineJUnitImpl) kieSession.getGlobal("Engine");
log.debug("============");
log.debug(URLEncoder.encode(pair.b, "UTF-8"));
log.debug("============");
return kieSession;
}
}
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