| /* |
| * 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.apm.toolkit.activation.log.log4j.v1.x.log; |
| |
| import java.lang.reflect.Method; |
| import java.util.Objects; |
| import org.apache.log4j.AppenderSkeleton; |
| import org.apache.log4j.spi.LoggingEvent; |
| import org.apache.skywalking.apm.agent.core.boot.ServiceManager; |
| import org.apache.skywalking.apm.agent.core.conf.Config; |
| import org.apache.skywalking.apm.agent.core.context.ContextManager; |
| import org.apache.skywalking.apm.agent.core.context.util.ThrowableTransformer; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor; |
| import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult; |
| import org.apache.skywalking.apm.agent.core.remote.LogReportServiceClient; |
| import org.apache.skywalking.apm.network.common.v3.KeyStringValuePair; |
| import org.apache.skywalking.apm.network.logging.v3.LogData; |
| import org.apache.skywalking.apm.network.logging.v3.LogDataBody; |
| import org.apache.skywalking.apm.network.logging.v3.LogTags; |
| import org.apache.skywalking.apm.network.logging.v3.TextLog; |
| import org.apache.skywalking.apm.network.logging.v3.TraceContext; |
| |
| public class GRPCLogAppenderInterceptor implements InstanceMethodsAroundInterceptor { |
| |
| private LogReportServiceClient client; |
| |
| @Override |
| public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, |
| MethodInterceptResult result) throws Throwable { |
| if (Objects.isNull(client)) { |
| client = ServiceManager.INSTANCE.findService(LogReportServiceClient.class); |
| if (Objects.isNull(client)) { |
| return; |
| } |
| } |
| LoggingEvent event = (LoggingEvent) allArguments[0]; |
| if (Objects.nonNull(event)) { |
| client.produce(transform((AppenderSkeleton) objInst, event)); |
| } |
| } |
| |
| @Override |
| public Object afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, |
| Object ret) throws Throwable { |
| return ret; |
| } |
| |
| @Override |
| public void handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments, |
| Class<?>[] argumentsTypes, Throwable t) { |
| |
| } |
| |
| /** |
| * transforms {@link LoggingEvent} to {@link LogData} |
| * |
| * |
| * @param appender the real {@link AppenderSkeleton appender} |
| * @param event {@link LoggingEvent} |
| * @return {@link LogData.Builder} with filtered trace context in order to reduce the cost on the network |
| */ |
| private LogData.Builder transform(final AppenderSkeleton appender, LoggingEvent event) { |
| LogData.Builder builder = LogData.newBuilder() |
| .setTimestamp(event.getTimeStamp()) |
| .setServiceInstance(Config.Agent.INSTANCE_NAME) |
| .setTraceContext(TraceContext.newBuilder() |
| .setTraceId(ContextManager.getGlobalTraceId()) |
| .setSpanId(ContextManager.getSpanId()) |
| .setTraceSegmentId(ContextManager.getSegmentId()) |
| .build()) |
| .setTags(LogTags.newBuilder() |
| .addData(KeyStringValuePair.newBuilder() |
| .setKey("level").setValue(event.getLevel().toString()).build()) |
| .addData(KeyStringValuePair.newBuilder() |
| .setKey("logger").setValue(event.getLoggerName()).build()) |
| .addData(KeyStringValuePair.newBuilder() |
| .setKey("thread").setValue(event.getThreadName()).build()) |
| .build()) |
| .setBody(LogDataBody.newBuilder().setType(LogDataBody.ContentCase.TEXT.name()) |
| .setText(TextLog.newBuilder().setText(transformLogText(appender, event)).build()).build()); |
| |
| String primaryEndpointName = ContextManager.getPrimaryEndpointName(); |
| if (primaryEndpointName != null) { |
| builder.setEndpoint(primaryEndpointName); |
| } |
| |
| return -1 == ContextManager.getSpanId() ? builder |
| : builder.setTraceContext(TraceContext.newBuilder() |
| .setTraceId(ContextManager.getGlobalTraceId()) |
| .setSpanId(ContextManager.getSpanId()) |
| .setTraceSegmentId(ContextManager.getSegmentId()) |
| .build()); |
| } |
| |
| private String transformLogText(final AppenderSkeleton appender, final LoggingEvent event) { |
| if (appender.getLayout() != null) { |
| return appender.getLayout().format(event); |
| } |
| final String throwableString = Objects.isNull(event.getThrowableInformation()) ? "" : |
| ThrowableTransformer.INSTANCE.convert2String(event.getThrowableInformation().getThrowable(), 2048); |
| return event.getMessage() + "\n" + throwableString; |
| } |
| } |