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/*-
* ============LICENSE_START=======================================================
* demo
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2019 Bell Canada.
* ================================================================================
* 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.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;
import java.util.Properties;
import java.util.UUID;
import org.junit.AfterClass;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.rule.FactHandle;
import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
import org.onap.policy.common.endpoints.event.comm.TopicSink;
import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
import org.onap.policy.controlloop.policy.ControlLoopPolicy;
import org.onap.policy.drools.protocol.coders.EventProtocolCoderConstants;
import org.onap.policy.drools.protocol.coders.EventProtocolParams;
import org.onap.policy.drools.protocol.coders.JsonProtocolFilter;
import org.onap.policy.drools.system.PolicyControllerConstants;
import org.onap.policy.drools.system.PolicyEngineConstants;
import org.onap.policy.drools.utils.logging.LoggerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Common super class used by various Control Loop test classes. It manages the simulators
* and the kie session.
*/
public class ControlLoopBase {
private static final String JUNIT_ARTIFACT_ID = "junit.artifactId";
private static final String JUNIT_GROUP_ID = "junit.groupId";
protected static final Logger logger = LoggerFactory.getLogger(ControlLoopBase.class);
protected static List<? extends TopicSink> noopTopics;
protected static KieSession kieSession;
protected static SupportUtil.Pair<ControlLoopPolicy, String> pair;
protected UUID requestId;
/**
* Starts the simulator and the kie session.
*
* @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
*/
public static void setUpBeforeClass(String droolsTemplate, String yamlFile, String policyScope,
String policyName, String policyVersion) {
/* Set environment properties */
SupportUtil.setAaiProps();
SupportUtil.setGuardProps();
SupportUtil.setSdncProps();
SupportUtil.setSoProps();
SupportUtil.setVfcProps();
SupportUtil.setPuProp();
SupportUtil.setCdsProps();
LoggerUtil.setLevel(LoggerUtil.ROOT_LOGGER, "INFO");
PolicyEngineConstants.getManager().configure(new Properties());
assertTrue(PolicyEngineConstants.getManager().start());
Properties noopSinkProperties = new Properties();
noopSinkProperties.put(PolicyEndPointProperties.PROPERTY_NOOP_SINK_TOPICS,
"APPC-LCM-READ,APPC-CL,SDNR-CL,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.APPC-CL.events", "org.onap.policy.appc.Response");
noopSinkProperties.put("noop.sink.topics.APPC-CL.events.custom.gson",
"org.onap.policy.appc.util.Serialization,gsonPretty");
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 = TopicEndpointManager.getManager().addTopicSinks(noopSinkProperties);
EventProtocolCoderConstants.getManager().addEncoder(EventProtocolParams.builder()
.groupId(JUNIT_GROUP_ID)
.artifactId(JUNIT_ARTIFACT_ID)
.topic("POLICY-CL-MGT")
.eventClass("org.onap.policy.controlloop.VirtualControlLoopNotification")
.protocolFilter(new JsonProtocolFilter())
.modelClassLoaderHash(1111));
EventProtocolCoderConstants.getManager().addEncoder(EventProtocolParams.builder()
.groupId(JUNIT_GROUP_ID)
.artifactId(JUNIT_ARTIFACT_ID)
.topic("APPC-LCM-READ")
.eventClass("org.onap.policy.appclcm.LcmRequestWrapper")
.protocolFilter(new JsonProtocolFilter())
.modelClassLoaderHash(1111));
EventProtocolCoderConstants.getManager().addEncoder(EventProtocolParams.builder()
.groupId(JUNIT_GROUP_ID)
.artifactId(JUNIT_ARTIFACT_ID)
.topic("APPC-CL")
.eventClass("org.onap.policy.appc.Request")
.protocolFilter(new JsonProtocolFilter())
.modelClassLoaderHash(1111));
EventProtocolCoderConstants.getManager().addEncoder(EventProtocolParams.builder()
.groupId(JUNIT_GROUP_ID)
.artifactId(JUNIT_ARTIFACT_ID)
.topic("SDNR-CL")
.eventClass("org.onap.policy.sdnr.PciRequestWrapper")
.protocolFilter(new JsonProtocolFilter())
.modelClassLoaderHash(1111));
try {
SupportUtil.buildAaiSim();
SupportUtil.buildSdncSim();
SupportUtil.buildSoSim();
SupportUtil.buildVfcSim();
SupportUtil.buildGuardSim();
} catch (Exception e) {
fail(e.getMessage());
}
/*
* Start the kie session
*/
try {
kieSession = startSession(droolsTemplate, yamlFile, policyScope,
policyName, policyVersion);
} catch (IOException e) {
e.printStackTrace();
logger.debug("Could not create kieSession");
fail("Could not create kieSession");
}
}
/**
* Stops the simulators and the kie session.
*/
@AfterClass
public static void tearDownAfterClass() {
/*
* Gracefully shut down the kie session
*/
kieSession.dispose();
PolicyEngineConstants.getManager().stop();
HttpServletServerFactoryInstance.getServerFactory().destroy();
PolicyControllerConstants.getFactory().shutdown();
TopicEndpointManager.getManager().shutdown();
}
/**
* 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 IO exception
*/
private static KieSession startSession(String droolsTemplate, String yamlFile, String policyScope,
String policyName, String policyVersion) throws IOException {
/*
* Load policies from yaml
*/
pair = SupportUtil.loadYaml(yamlFile);
assertNotNull(pair);
assertNotNull(pair.first);
assertNotNull(pair.first.getControlLoop());
assertNotNull(pair.first.getControlLoop().getControlLoopName());
assertTrue(pair.first.getControlLoop().getControlLoopName().length() > 0);
/*
* Construct a kie session
*/
final KieSession kieSession = SupportUtil.buildContainer(droolsTemplate,
pair.first.getControlLoop().getControlLoopName(),
policyScope, policyName, policyVersion, URLEncoder.encode(pair.second, "UTF-8"));
/*
* Retrieve the Policy Engine
*/
logger.debug("============");
logger.debug(URLEncoder.encode(pair.second, "UTF-8"));
logger.debug("============");
return kieSession;
}
/**
* 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);
}
}
}
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