| /* |
| * 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 com.google.gson.GsonBuilder; |
| import org.apache.ambari.logsearch.config.api.LogLevelFilterManager; |
| 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 org.apache.solr.client.solrj.SolrClient; |
| import org.apache.solr.client.solrj.SolrQuery; |
| import org.apache.solr.client.solrj.response.QueryResponse; |
| import org.apache.solr.client.solrj.response.SolrPingResponse; |
| import org.apache.solr.common.SolrDocument; |
| import org.apache.solr.common.SolrDocumentList; |
| import org.apache.solr.common.SolrInputDocument; |
| |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| /** |
| * Gather and store log level filters from/in a Solr collection. |
| */ |
| public class LogLevelFilterManagerSolr implements LogLevelFilterManager { |
| |
| private static final Logger logger = LogManager.getLogger(LogLevelFilterManagerSolr.class); |
| |
| private static final String DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS"; |
| private final SolrClient solrClient; |
| private Gson gson; |
| private boolean useClusterParam = true; |
| |
| public LogLevelFilterManagerSolr(SolrClient solrClient) { |
| this.solrClient = solrClient; |
| waitForSolr(solrClient); |
| gson = new GsonBuilder().setDateFormat(DATE_FORMAT).setPrettyPrinting().create(); |
| } |
| |
| @Override |
| public void createLogLevelFilter(String clusterName, String logId, LogLevelFilter filter) throws Exception { |
| final SolrInputDocument doc = new SolrInputDocument(); |
| int hashCode = useClusterParam ? (clusterName + logId).hashCode() : logId.hashCode(); |
| doc.addField("id", String.valueOf(hashCode)); |
| if (useClusterParam) { |
| doc.addField("cluster_string", clusterName); |
| } |
| doc.addField("name", logId); |
| doc.addField("type", "log_level_filter"); |
| doc.addField("value", gson.toJson(filter)); |
| doc.addField("username", "none"); |
| logger.debug("Creating log level filter - logid: {}, cluster: {}", logId, clusterName); |
| solrClient.add(doc); |
| } |
| |
| @Override |
| public void setLogLevelFilters(String clusterName, LogLevelFilterMap filters) throws Exception { |
| TreeMap<String, LogLevelFilter> logLevelFilterTreeMap = filters.getFilter(); |
| if (!logLevelFilterTreeMap.isEmpty()) { |
| LogLevelFilterMap actualFiltersMap = getLogLevelFilters(clusterName); |
| if (actualFiltersMap.getFilter().isEmpty()) { |
| if (!filters.getFilter().isEmpty()) { |
| for (Map.Entry<String, LogLevelFilter> entry : filters.getFilter().entrySet()) { |
| createLogLevelFilter(clusterName, entry.getKey(), entry.getValue()); |
| } |
| } |
| } else { |
| TreeMap<String, LogLevelFilter> mapToSet = filters.getFilter(); |
| TreeMap<String, LogLevelFilter> finalMapToSet = new TreeMap<>(); |
| for (Map.Entry<String, LogLevelFilter> entry : actualFiltersMap.getFilter().entrySet()) { |
| if (mapToSet.containsKey(entry.getKey())) { |
| String actualValue = gson.toJson(entry.getValue()); |
| String newValue = gson.toJson(mapToSet.get(entry.getKey())); |
| if (!newValue.equals(actualValue)) { |
| finalMapToSet.put(entry.getKey(), mapToSet.get(entry.getKey())); |
| } |
| } else { |
| finalMapToSet.put(entry.getKey(), mapToSet.get(entry.getKey())); |
| } |
| } |
| for (Map.Entry<String, LogLevelFilter> entry : finalMapToSet.entrySet()) { |
| createLogLevelFilter(clusterName, entry.getKey(), entry.getValue()); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public LogLevelFilterMap getLogLevelFilters(String clusterName) { |
| LogLevelFilterMap logLevelFilterMap = new LogLevelFilterMap(); |
| TreeMap<String, LogLevelFilter> logLevelFilterTreeMap = new TreeMap<>(); |
| try { |
| SolrQuery solrQuery = new SolrQuery(); |
| solrQuery.setQuery("*:*"); |
| if (useClusterParam) { |
| solrQuery.addFilterQuery("cluster_string:" + clusterName); |
| } |
| solrQuery.addFilterQuery("type:log_level_filter"); |
| solrQuery.setFields("value", "name"); |
| |
| final QueryResponse response = solrClient.query(solrQuery); |
| if (response != null) { |
| final SolrDocumentList documents = response.getResults(); |
| if (documents != null && !documents.isEmpty()) { |
| for(SolrDocument document : documents) { |
| String jsons = (String) document.getFieldValue("value"); |
| String logId = (String) document.getFieldValue("name"); |
| if (jsons != null) { |
| LogLevelFilter logLevelFilter = gson.fromJson(jsons, LogLevelFilter.class); |
| logLevelFilterTreeMap.put(logId,logLevelFilter); |
| } |
| } |
| } |
| } |
| } catch (Exception e) { |
| logger.error("Error during getting log level filters: {}", e.getMessage()); |
| } |
| logLevelFilterMap.setFilter(logLevelFilterTreeMap); |
| return logLevelFilterMap; |
| } |
| |
| public boolean isUseClusterParam() { |
| return useClusterParam; |
| } |
| |
| public void setUseClusterParam(boolean useClusterParam) { |
| this.useClusterParam = useClusterParam; |
| } |
| |
| public Gson getGson() { |
| return gson; |
| } |
| |
| private void waitForSolr(SolrClient solrClient) { |
| while (true) { |
| try { |
| logger.debug("Start solr ping for log level filter collection"); |
| SolrPingResponse pingResponse = solrClient.ping(); |
| if (pingResponse.getStatus() == 0) { |
| break; |
| } |
| } catch (Exception e) { |
| logger.error("{}", e); |
| } |
| logger.info("Solr (collection for log level filters) is not available yet. Sleeping 10 sec. Retrying..."); |
| try { |
| Thread.sleep(10000); |
| } catch (InterruptedException e) { |
| logger.error("{}", e); |
| } |
| } |
| } |
| } |