| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.ambari.logsearch.config.solr; |
| |
| import com.google.gson.Gson; |
| import org.apache.ambari.logsearch.config.api.LogLevelFilterMonitor; |
| import org.apache.ambari.logsearch.config.api.LogLevelFilterUpdater; |
| import org.apache.ambari.logsearch.config.api.model.loglevelfilter.LogLevelFilter; |
| import org.apache.ambari.logsearch.config.api.model.loglevelfilter.LogLevelFilterMap; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * Periodically checks log level filters in Solr, and send a notification about any change to a log level filter monitor. |
| */ |
| public class LogLevelFilterUpdaterSolr extends LogLevelFilterUpdater { |
| |
| private static final Logger logger = LogManager.getLogger(LogLevelFilterUpdaterSolr.class); |
| |
| private final LogLevelFilterManagerSolr logLevelFilterManagerSolr; |
| private final String cluster; |
| |
| public LogLevelFilterUpdaterSolr(String threadName, LogLevelFilterMonitor logLevelFilterMonitor, Integer interval, |
| LogLevelFilterManagerSolr logLevelFilterManagerSolr, String cluster) { |
| super(threadName, logLevelFilterMonitor, interval); |
| this.logLevelFilterManagerSolr = logLevelFilterManagerSolr; |
| this.cluster = cluster; |
| } |
| |
| @Override |
| protected void checkFilters(LogLevelFilterMonitor logLevelFilterMonitor) { |
| try { |
| logger.debug("Start checking log level filters in Solr ..."); |
| LogLevelFilterMap logLevelFilterMap = logLevelFilterManagerSolr.getLogLevelFilters(cluster); |
| Map<String, LogLevelFilter> filters = logLevelFilterMap.getFilter(); |
| Map<String, LogLevelFilter> copiedStoredFilters = new ConcurrentHashMap<>(logLevelFilterMonitor.getLogLevelFilters()); |
| final Gson gson = logLevelFilterManagerSolr.getGson(); |
| for (Map.Entry<String, LogLevelFilter> logFilterEntry : filters.entrySet()){ |
| if (copiedStoredFilters.containsKey(logFilterEntry.getKey())) { |
| String remoteValue = gson.toJson(logFilterEntry.getValue()); |
| String storedValue = gson.toJson(copiedStoredFilters.get(logFilterEntry.getKey())); |
| if (!storedValue.equals(remoteValue)) { |
| logger.info("Log level filter updated for {}", logFilterEntry.getKey()); |
| logLevelFilterMonitor.setLogLevelFilter(logFilterEntry.getKey(), logFilterEntry.getValue()); |
| } |
| } else { |
| logger.info("New log level filter registered: {}", logFilterEntry.getKey()); |
| logLevelFilterMonitor.setLogLevelFilter(logFilterEntry.getKey(), logFilterEntry.getValue()); |
| } |
| } |
| for (Map.Entry<String, LogLevelFilter> storedLogFilterEntry : copiedStoredFilters.entrySet()) { |
| if (!filters.containsKey(storedLogFilterEntry.getKey())) { |
| logger.info("Removing log level filter: {}", storedLogFilterEntry.getKey()); |
| logLevelFilterMonitor.removeLogLevelFilter(storedLogFilterEntry.getKey()); |
| } |
| } |
| } catch (Exception e) { |
| logger.error("Error during filter Solr check: {}",e); |
| } |
| } |
| } |