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-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/EngineDActiveApp.java17
-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/dcae/ConfigFileScanningTask.java86
-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/dcae/DcaeConfigurationPolling.java3
-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java2
-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java11
5 files changed, 105 insertions, 14 deletions
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/EngineDActiveApp.java b/engine-d/src/main/java/org/onap/holmes/engine/EngineDActiveApp.java
index 37b5c07..3f1fe50 100644
--- a/engine-d/src/main/java/org/onap/holmes/engine/EngineDActiveApp.java
+++ b/engine-d/src/main/java/org/onap/holmes/engine/EngineDActiveApp.java
@@ -17,11 +17,10 @@ package org.onap.holmes.engine;
import io.dropwizard.setup.Environment;
import lombok.extern.slf4j.Slf4j;
-import org.onap.holmes.common.config.MicroServiceConfig;
+import org.onap.holmes.common.ConfigFileScanner;
import org.onap.holmes.common.dropwizard.ioc.bundle.IOCApplication;
-import org.onap.holmes.common.utils.CommonUtils;
import org.onap.holmes.common.utils.transactionid.TransactionIdFilter;
-import org.onap.holmes.engine.dcae.DcaeConfigurationPolling;
+import org.onap.holmes.engine.dcae.ConfigFileScanningTask;
import javax.servlet.DispatcherType;
import java.util.EnumSet;
@@ -40,12 +39,12 @@ public class EngineDActiveApp extends IOCApplication<EngineDAppConfig> {
public void run(EngineDAppConfig configuration, Environment environment) throws Exception {
super.run(configuration, environment);
- if (!"1".equals(System.getenv("TESTING"))) {
- ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor();
- service.scheduleAtFixedRate(
- new DcaeConfigurationPolling(CommonUtils.getEnv(MicroServiceConfig.HOSTNAME)), 0,
- DcaeConfigurationPolling.POLLING_PERIOD, TimeUnit.MILLISECONDS);
- }
+
+ ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor();
+ service.scheduleAtFixedRate(
+ new ConfigFileScanningTask(new ConfigFileScanner()), 60L,
+ ConfigFileScanningTask.POLLING_PERIOD, TimeUnit.SECONDS);
+
environment.servlets().addFilter("logFilter", new TransactionIdFilter()).addMappingForUrlPatterns(EnumSet
.allOf(DispatcherType.class), true, "/*");
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dcae/ConfigFileScanningTask.java b/engine-d/src/main/java/org/onap/holmes/engine/dcae/ConfigFileScanningTask.java
new file mode 100644
index 0000000..2835a45
--- /dev/null
+++ b/engine-d/src/main/java/org/onap/holmes/engine/dcae/ConfigFileScanningTask.java
@@ -0,0 +1,86 @@
+/**
+ * Copyright 2021 ZTE Corporation.
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.
+ */
+
+package org.onap.holmes.engine.dcae;
+
+import org.onap.holmes.common.ConfigFileScanner;
+import org.onap.holmes.common.dcae.DcaeConfigurationsCache;
+import org.onap.holmes.common.dcae.entity.DcaeConfigurations;
+import org.onap.holmes.common.dcae.utils.DcaeConfigurationParser;
+import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
+import org.onap.holmes.common.exception.CorrelationException;
+import org.onap.holmes.common.utils.Md5Util;
+import org.onap.holmes.dsa.dmaappolling.Subscriber;
+import org.onap.holmes.engine.dmaap.SubscriberAction;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+public class ConfigFileScanningTask implements Runnable {
+ final public static long POLLING_PERIOD = 60L;
+ final private static Logger LOGGER = LoggerFactory.getLogger(ConfigFileScanningTask.class);
+ private String configFile = "/opt/hemtopics/cfy.json";
+ private ConfigFileScanner configFileScanner;
+ private String prevConfigMd5 = Md5Util.md5(null);
+
+ public ConfigFileScanningTask(ConfigFileScanner configFileScanner) {
+ this.configFileScanner = configFileScanner;
+ }
+
+ @Override
+ public void run() {
+ if (null == configFileScanner) {
+ configFileScanner = new ConfigFileScanner();
+ }
+ Map<String, String> newConfig = configFileScanner.scan(configFile);
+ String md5 = Md5Util.md5(newConfig);
+ if (!prevConfigMd5.equals(md5)) {
+ LOGGER.info("Configurations have changed.");
+ prevConfigMd5 = md5;
+ } else {
+ return;
+ }
+
+ for (Map.Entry entry : newConfig.entrySet()) {
+ DcaeConfigurations dcaeConfigurations = null;
+ try {
+ dcaeConfigurations = DcaeConfigurationParser.parse(entry.getValue().toString());
+ } catch (CorrelationException e) {
+ LOGGER.error(e.getMessage(), e);
+ } catch (Exception e) {
+ LOGGER.warn("Failed to deal with the new configurations.", e);
+ }
+
+ if (dcaeConfigurations != null) {
+ DcaeConfigurationsCache.setDcaeConfigurations(dcaeConfigurations);
+ addSubscribers(dcaeConfigurations);
+ }
+ }
+ }
+
+ private void addSubscribers(DcaeConfigurations dcaeConfigurations) {
+ SubscriberAction subscriberAction = ServiceLocatorHolder.getLocator()
+ .getService(SubscriberAction.class);
+ for (String key : dcaeConfigurations.getSubKeys()) {
+ Subscriber subscriber = new Subscriber();
+ subscriber.setTopic(key);
+ subscriber.setUrl(dcaeConfigurations.getSubSecInfo(key).getDmaapInfo()
+ .getTopicUrl());
+ subscriberAction.addSubscriber(subscriber);
+ }
+ }
+}
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dcae/DcaeConfigurationPolling.java b/engine-d/src/main/java/org/onap/holmes/engine/dcae/DcaeConfigurationPolling.java
index 4da1740..15d77d6 100644
--- a/engine-d/src/main/java/org/onap/holmes/engine/dcae/DcaeConfigurationPolling.java
+++ b/engine-d/src/main/java/org/onap/holmes/engine/dcae/DcaeConfigurationPolling.java
@@ -1,5 +1,5 @@
/**
- * Copyright 2017 ZTE Corporation.
+ * Copyright 2017 - 2021 ZTE Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@ import org.onap.holmes.dsa.dmaappolling.Subscriber;
import org.onap.holmes.engine.dmaap.SubscriberAction;
@Slf4j
+@Deprecated
public class DcaeConfigurationPolling implements Runnable {
private String hostname;
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java
index 99ba3d7..e2ad89c 100644
--- a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java
+++ b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java
@@ -44,7 +44,7 @@ public class DMaaPAlarmPolling implements Runnable {
public void run() {
while (isAlive) {
- List<VesAlarm> vesAlarmList = new ArrayList<>();
+ List<VesAlarm> vesAlarmList;
try {
vesAlarmList = subscriber.subscribe();
vesAlarmList.forEach(vesAlarm -> {
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java
index c96b813..1297f11 100644
--- a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java
+++ b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/SubscriberAction.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 ZTE Corporation.
+ * Copyright 2017 - 2021 ZTE Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -39,13 +39,18 @@ public class SubscriberAction {
public synchronized void addSubscriber(Subscriber subscriber) {
String topic = subscriber.getTopic();
- if (topic != null && !pollingTasks.containsKey(topic)) {
+ if (topic != null) {
+ if (pollingTasks.containsKey(topic)) {
+ removeSubscriber(subscriber);
+ }
AlarmInfoDao alarmInfoDao = daoUtil.getJdbiDaoByOnDemand(AlarmInfoDao.class);
DMaaPAlarmPolling pollingTask = new DMaaPAlarmPolling(subscriber, droolsEngine, alarmInfoDao);
Thread thread = new Thread(pollingTask);
thread.start();
pollingTasks.put(topic, pollingTask);
- log.info("Subscribe to topic: " + subscriber.getUrl());
+ log.info("Subscribed to topic: " + subscriber.getUrl());
+ } else {
+ log.info("The topic is null. Operation aborted.");
}
}