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/*-
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.restconfcollector
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2018-2019 Huawei. 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.dcae;
import io.vavr.collection.Map;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.dcae.common.EventData;
import org.onap.dcae.common.EventProcessor;
import org.onap.dcae.common.publishing.DMaaPConfigurationParser;
import org.onap.dcae.common.publishing.EventPublisher;
import org.onap.dcae.common.publishing.PublisherConfig;
import org.onap.dcae.controller.AccessController;
import org.onap.dcae.controller.ConfigLoader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.gson.GsonAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Lazy;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.concurrent.*;
@SpringBootApplication(exclude = {GsonAutoConfiguration.class, SecurityAutoConfiguration.class})
public class RestConfCollector {
private static final Logger oplog = LoggerFactory.getLogger("org.onap.dcae.common.output");
private static final int MAX_THREADS = 20;
private static Logger log = LoggerFactory.getLogger(RestConfCollector.class);
public static LinkedBlockingQueue<EventData> fProcessingInputQueue;
private static ApplicationSettings properties;
private static ConfigurableApplicationContext context;
private static ConfigLoader configLoader;
private static SpringApplication app;
private static ScheduledFuture<?> scheduleFeatures;
private static ExecutorService executor;
private static ScheduledThreadPoolExecutor scheduledThreadPoolExecutor;
private static EventPublisher eventPublisher;
private static EventProcessor eventProcessor;
/* List of Controllers */
private static java.util.Map<String, AccessController> controllerStore = new ConcurrentHashMap<>();
public static void main(String[] args) {
oplog.info("RestconfController starting");
app = new SpringApplication(RestConfCollector.class);
properties = new ApplicationSettings(args, CLIUtils::processCmdLine);
scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(1);
init();
app.setAddCommandLineProperties(true);
context = app.run();
configLoader.updateConfig();
controllerConfig(properties);
oplog.info("RestConfController running .....");
}
public static void restartApplication() {
Thread thread = new Thread(() -> {
controllerConfigCleanup();
context.close();
properties.reloadProperties();
scheduleFeatures.cancel(true);
init();
controllerConfig(properties);
context = SpringApplication.run(RestConfCollector.class);
});
thread.setDaemon(false);
thread.start();
}
private static void init() {
fProcessingInputQueue = new LinkedBlockingQueue<>(properties.maximumAllowedQueuedEvents());
createConfigLoader();
createSchedulePoolExecutor();
createExecutors();
}
private static Map<String, PublisherConfig> getDmapConfig() {
return DMaaPConfigurationParser.
parseToDomainMapping(Paths.get(properties.dMaaPConfigurationFileLocation())).get();
}
@Bean
@Lazy
public ApplicationSettings applicationSettings() {
return properties;
}
@Bean
public LinkedBlockingQueue<EventData> inputQueue() {
return fProcessingInputQueue;
}
public static java.util.Map<String, String[]> parseStreamIdToStreamHashMapping(String streamId) {
java.util.Map<String, String[]> streamidHash = new HashMap<>();
String[] list = streamId.split("\\|");
for (String aList : list) {
String domain = aList.split("=")[0];
String[] streamIdList = aList.substring(aList.indexOf('=') + 1).split(",");
streamidHash.put(domain, streamIdList);
oplog.info("adding domain " + domain + " count" + streamIdList.length);
}
return streamidHash;
}
private static void controllerConfig(ApplicationSettings properties) {
oplog.info("Policy received " + properties.rccPolicy());
if (!properties.rccPolicy().equals("")) {
JSONArray contollers = new JSONArray(properties.rccPolicy());
for (int i = 0; i < contollers.length(); i++) {
JSONObject controller = contollers.getJSONObject(i);
oplog.info(" object " + controller.toString());
AccessController acClr = new AccessController(controller,
properties);
controllerStore.put(controller.get("controller_name").toString(), acClr);
oplog.info("Activating controller " + acClr.getCfgInfo().getController_name());
acClr.activate();
}
}
}
private static void controllerConfigCleanup() {
controllerStore.clear();
}
public static void handleEvents(EventData ev) throws Exception {
if (!fProcessingInputQueue.offer(ev)) {
throw new InterruptedException();
}
log.info("RestConfCollector.handleEvents:EVENTS has been published successfully!");
}
private static void createConfigLoader() {
log.info("dMaaPConfigurationFileLocation " + properties.dMaaPConfigurationFileLocation() + " " + properties.configurationFileLocation());
configLoader = ConfigLoader.create(getEventPublisher()::reconfigure,
Paths.get(properties.dMaaPConfigurationFileLocation()),
properties.configurationFileLocation());
}
private static EventPublisher getEventPublisher() {
return EventPublisher.createPublisher(oplog, getDmapConfig());
}
private static void createSchedulePoolExecutor() {
scheduleFeatures = scheduledThreadPoolExecutor.scheduleAtFixedRate(configLoader::updateConfig,
10,
10,
TimeUnit.MINUTES);
}
private static void createExecutors() {
eventPublisher = EventPublisher.createPublisher(oplog, getDmapConfig());
eventProcessor = new EventProcessor(eventPublisher,
parseStreamIdToStreamHashMapping(properties.dMaaPStreamsMapping()));
executor = Executors.newFixedThreadPool(MAX_THREADS);
for (int i = 0; i < MAX_THREADS; ++i) {
executor.execute(eventProcessor);
}
}
}
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