diff options
Diffstat (limited to 'engine-d/src/main/java/org/onap/holmes/engine/dcae/ConfigFileScanningTask.java')
-rw-r--r-- | engine-d/src/main/java/org/onap/holmes/engine/dcae/ConfigFileScanningTask.java | 86 |
1 files changed, 86 insertions, 0 deletions
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); + } + } +} |