| /* |
| * 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.skywalking.oap.log.analyzer.provider.log.listener; |
| |
| import com.google.protobuf.Message; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| import lombok.RequiredArgsConstructor; |
| import lombok.extern.slf4j.Slf4j; |
| |
| import java.util.HashMap; |
| import org.apache.skywalking.apm.network.logging.v3.LogData; |
| import org.apache.skywalking.oap.log.analyzer.dsl.Binding; |
| import org.apache.skywalking.oap.log.analyzer.dsl.DSL; |
| import org.apache.skywalking.oap.log.analyzer.provider.LALConfig; |
| import org.apache.skywalking.oap.log.analyzer.provider.LALConfigs; |
| import org.apache.skywalking.oap.log.analyzer.provider.LogAnalyzerModuleConfig; |
| |
| import org.apache.skywalking.oap.server.core.analysis.Layer; |
| import org.apache.skywalking.oap.server.library.module.ModuleManager; |
| import org.apache.skywalking.oap.server.library.module.ModuleStartException; |
| |
| @Slf4j |
| @RequiredArgsConstructor |
| public class LogFilterListener implements LogAnalysisListener { |
| @lombok.NonNull |
| private final DSL dsl; |
| |
| @Override |
| public void build() { |
| try { |
| dsl.evaluate(); |
| } catch (final Exception e) { |
| log.warn("Failed to evaluate dsl: {}", dsl, e); |
| } |
| } |
| |
| @Override |
| public LogAnalysisListener parse(final LogData.Builder logData, |
| final Message extraLog) { |
| dsl.bind(new Binding().log(logData.build()).extraLog(extraLog)); |
| return this; |
| } |
| |
| public static class Factory implements LogAnalysisListenerFactory { |
| private final Map<Layer, DSL> dsls; |
| |
| public Factory(final ModuleManager moduleManager, final LogAnalyzerModuleConfig config) throws Exception { |
| dsls = new HashMap<>(); |
| |
| final List<LALConfig> configList = LALConfigs.load(config.getLalPath(), config.lalFiles()) |
| .stream() |
| .flatMap(it -> it.getRules().stream()) |
| .collect(Collectors.toList()); |
| for (final LALConfig c : configList) { |
| Layer layer = Layer.nameOf(c.getLayer()); |
| if (dsls.put(layer, DSL.of(moduleManager, config, c.getDsl())) != null) { |
| throw new ModuleStartException("Layer " + layer.name() + " has already set a rule."); |
| } |
| } |
| } |
| |
| @Override |
| public LogAnalysisListener create(Layer layer) { |
| if (layer == null) { |
| return null; |
| } |
| final DSL dsl = dsls.get(layer); |
| if (dsl == null) { |
| return null; |
| } |
| return new LogFilterListener(dsl); |
| } |
| } |
| } |