Spring/Spring boot项目接入traceId

sighting_info2024-01-24 17:16

简介

分布式系统中，由多个服务构成，每个请求路由过来后，会在多个服务中留下追踪ID，可以基于此追踪ID排查问题，分析请求的执行链路。

业界也有比较成熟的链路追踪ID方案，比如Skywalking，它基于动态字节码技术，本身会增加系统的复杂性，以及它需要单独部署服务对信息进行采集，这对于ToB资源敏感的场景下并不适用。traceID是基于自身必需框架开发的，主要技术是日志MDC、跨线程包装、中间件拦截器，所以可以几乎不增加任何额外资源开销。

本次traceId支持dubbo，kafka，http请求，线程池

接入步骤

1、日志中增加traceId变量

logback.xml日志配置，当然你也可以自定义格式，变量%X{traceId}是追踪ID替换值：

若框架使用log4j，在日志格式中增加%X{traceId}变量

<property name="FILE_LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - [%X{traceId}] - %msg%n"/>

2、代码实现

2.0 依赖，不同实现按需添加依赖，例如kafka相关接入traceId，项目本身已经引入kafka

<dependency>
	<groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-aop</artifactId>
</dependency>

2.1 http请求

编写拦截器

public class TraceWebInterceptor extends HandlerInterceptorAdapter {

    private static final Logger LOGGER = LoggerFactory.getLogger(TraceWebInterceptor.class);

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        request.setAttribute("startTime", System.currentTimeMillis());
        //traceOrigin、traceCaller、traceId
        String traceOrigin = request.getHeader(TraceConstants.LOG_TRACE_ORIGIN);
        String traceCaller = request.getHeader(TraceConstants.LOG_TRACE_CALLER);
        String traceId = request.getHeader(TraceConstants.LOG_TRACE_ID);

        //如果不存在traceId需要生成
        if (StringUtils.isBlank(traceId)) {
            boolean generate = TraceUtil.loadTraceInfo();
            if(generate) {
                LOGGER.debug("[生成追踪信息]" + TraceUtil.getTraceInfoString());
            }
        }else {
            //设置MDC
            MDC.put(TraceConstants.LOG_TRACE_ORIGIN, traceOrigin);
            MDC.put(TraceConstants.LOG_TRACE_CALLER, traceCaller);
            MDC.put(TraceConstants.LOG_TRACE_ID, traceId);
        }

        //IP
        String traceIp = IpUtil.getIp(request);
        MDC.put(TraceConstants.LOG_TRACE_IP, traceIp);

        //响应返回
        response.setHeader(TraceConstants.LOG_TRACE_ID, TraceUtil.getTraceId());

        return super.preHandle(request, response, handler);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws IOException {
        if (LOGGER.isInfoEnabled()) {
            long upmsStartTime = (long) request.getAttribute("startTime");
            long upmsEndTime = System.currentTimeMillis();
            long upmsIntervalTime = upmsEndTime - upmsStartTime;
            LOGGER.info("{} {}接口耗时{}毫秒", request.getRequestURL(), request.getMethod(), upmsIntervalTime);
        }
        MDC.clear();
    }

编写Config类, 将拦截器TraceWebInterceptor添加到容器

@Configuration
@ConditionalOnClass({HandlerInterceptorAdapter.class, MDC.class, HttpServletRequest.class})
public class TraceWebAutoConfiguration implements WebMvcConfigurer {

    private static List<String> EXCLUDE_PATHS = new ArrayList<>();

    @Value("${" + TraceConstants.CONFIG_TRACE_EXCLUDE_PATHS + ":}")
    private String excludePaths;

    @Bean
    public TraceWebInterceptor traceWebInterceptor() {
        return new TraceWebInterceptor();
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        EXCLUDE_PATHS.add("/error");
        EXCLUDE_PATHS.add("/actuator/**");

        if (StringUtils.isNotBlank(excludePaths)) {
            if (excludePaths.contains(",")) {
                String[] split = excludePaths.split(",");
                EXCLUDE_PATHS.addAll(Arrays.asList(split));
            } else {
                EXCLUDE_PATHS.add(excludePaths);
            }
        }

        //该方式不能过全部过滤掉
        registry.addInterceptor(traceWebInterceptor()).order(-100).excludePathPatterns(EXCLUDE_PATHS);
    }
}

工具类

java 复制代码 
public class IpUtil {
    private static final String UNKNOWN = "unknown";

    public static String getIp(HttpServletRequest request) {
        if (request == null) {
            return UNKNOWN;
        }
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Forwarded-For");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Real-IP");
        }
        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
    }
}


public class TraceConstants {
    public static final String LOG_TRACE_ORIGIN = "traceOrigin";
    public static final String LOG_TRACE_CALLER = "traceCaller";
    public static final String LOG_TRACE_IP = "traceIp";
    public static final String LOG_TRACE_ID = "traceId";

    public static final String CONFIG_TRACE_EXCLUDE_PATHS = "trace.exclude.paths";

    public TraceConstants() {
    }
}

import java.util.UUID;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.MDC;

public class TraceUtil {
    private static boolean simbaHttpClientInterceptorFlag = true;
    private static boolean sdkInterceptorFlag = false;
    private static String applicationName;

    public TraceUtil() {
    }

    public static void setApplicationName(String applicationName) {
        TraceUtil.applicationName = applicationName;
    }

    public static String getApplicationName() {
        return applicationName;
    }

    public static boolean getSimbaHttpClientInterceptorFlag() {
        return simbaHttpClientInterceptorFlag;
    }

    public static void setSimbaHttpClientInterceptorFlag(boolean simbaHttpClientInterceptorFlag) {
        TraceUtil.simbaHttpClientInterceptorFlag = simbaHttpClientInterceptorFlag;
    }

    public static boolean getSdkInterceptorFlag() {
        return sdkInterceptorFlag;
    }

    public static void setSdkInterceptorFlag(boolean sdkInterceptorFlag) {
        TraceUtil.sdkInterceptorFlag = sdkInterceptorFlag;
    }

    public static void setTraceCaller(String traceCaller) {
        MDC.put("traceCaller", traceCaller);
    }

    public static String getTraceCaller() {
        return MDC.get("traceCaller");
    }

    public static void setTraceOrigin(String traceOrigin) {
        MDC.put("traceOrigin", traceOrigin);
    }

    public static String getTraceOrigin() {
        return MDC.get("traceOrigin");
    }

    public static void setTraceId(String traceId) {
        MDC.put("traceId", traceId);
    }

    public static void removeTraceId() {
        MDC.remove("traceId");
    }

    public static void clearMdc() {
        MDC.clear();
    }

    public static String getTraceId() {
        return MDC.get("traceId");
    }

    public static String genTraceId() {
        return UUID.randomUUID().toString().replace("-", "");
    }

    public static String getTraceIp() {
        return MDC.get("traceIp");
    }

    public static void setTraceIp(String traceIp) {
        MDC.put("traceIp", traceIp);
    }

    public static boolean loadTraceInfo() {
        boolean generate = false;
        String traceId = getTraceId();
        if (StringUtils.isBlank(traceId)) {
            traceId = genTraceId();
            generate = true;
        }

        setTraceId(traceId);
        return generate;
    }

    public static String getTraceInfoString() {
        return "TraceId:" + getTraceId() + ". traceCaller:" + getTraceCaller() + ". traceOrigin:" + getTraceOrigin();
    }
}

import org.slf4j.MDC;

import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Callable;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinTask;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;


public class WrapUtil {

    public static <T> Callable<T> wrap(final Callable<T> callable, final Map<String, String> context) {
        return () -> {
            if (context == null) {
                MDC.clear();
            } else {
                MDC.setContextMap(context);
            }
            TraceUtil.loadTraceInfo();
            try {
                return callable.call();
            } finally {
                MDC.clear();
            }
        };
    }

    public static <T> Callable<T> wrap(final Callable<T> callable) {
        return wrap(callable, MDC.getCopyOfContextMap());
    }

    public static Runnable wrap(final Runnable runnable, final Map<String, String> context) {
        return () -> {
            if (context == null) {
                MDC.clear();
            } else {
                MDC.setContextMap(context);
            }
            TraceUtil.loadTraceInfo();
            try {
                runnable.run();
            } finally {
                MDC.clear();
            }
        };
    }

    public static Runnable wrap(final Runnable runnable) {
        return wrap(runnable, MDC.getCopyOfContextMap());
    }

    public static ThreadPoolExecutor newThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                                           BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory,
                                                           RejectedExecutionHandler handler) {
        return new ThreadPoolExecutorMdcWrapper(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, handler);
    }

    public static ThreadPoolExecutor newThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                                           BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory) {
        return new ThreadPoolExecutorMdcWrapper(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
    }

    public static ThreadPoolExecutor newThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                                           BlockingQueue<Runnable> workQueue) {
        return new ThreadPoolExecutorMdcWrapper(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue);
    }

    public static ThreadPoolExecutor newThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                                           BlockingQueue<Runnable> workQueue,
                                                           RejectedExecutionHandler handler) {
        return new ThreadPoolExecutorMdcWrapper(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, handler);
    }


    public static ForkJoinPool newForkJoinPool() {
        return new ForkJoinPoolMdcWrapper();
    }

    public static class ThreadPoolExecutorMdcWrapper extends ThreadPoolExecutor {
        public ThreadPoolExecutorMdcWrapper(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                            BlockingQueue<Runnable> workQueue) {
            super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue);
        }

        public ThreadPoolExecutorMdcWrapper(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                            BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory) {
            super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
        }

        public ThreadPoolExecutorMdcWrapper(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                            BlockingQueue<Runnable> workQueue, RejectedExecutionHandler handler) {
            super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, handler);
        }

        public ThreadPoolExecutorMdcWrapper(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
                                            BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory,
                                            RejectedExecutionHandler handler) {
            super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, handler);
        }

        @Override
        public void execute(Runnable task) {
            super.execute(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public <T> Future<T> submit(Runnable task, T result) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), result);
        }

        @Override
        public <T> Future<T> submit(Callable<T> task) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public Future<?> submit(Runnable task) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }
    }

    public static class ForkJoinPoolMdcWrapper extends ForkJoinPool {
        public ForkJoinPoolMdcWrapper() {
            super();
        }

        public ForkJoinPoolMdcWrapper(int parallelism) {
            super(parallelism);
        }

        public ForkJoinPoolMdcWrapper(int parallelism, ForkJoinWorkerThreadFactory factory,
                                      Thread.UncaughtExceptionHandler handler, boolean asyncMode) {
            super(parallelism, factory, handler, asyncMode);
        }

        @Override
        public void execute(Runnable task) {
            super.execute(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public <T> ForkJoinTask<T> submit(Runnable task, T result) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), result);
        }

        @Override
        public <T> ForkJoinTask<T> submit(Callable<T> task) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }
    }
}

2.2 Spring中的@Async注解中的线程池

java 复制代码 
@Configuration
public class TaskExecutorConfig {

    @Bean
    public TaskExecutor taskExecutor() {
        ThreadPoolTaskExecutor executor = TraceSpringTraceWrapUtil.newThreadPoolTaskExecutor();
        // 设置核心线程数
        executor.setCorePoolSize(Runtime.getRuntime().availableProcessors());
        // 设置最大线程数
        executor.setMaxPoolSize(Runtime.getRuntime().availableProcessors() * 10);
        // 设置队列容量
        executor.setQueueCapacity(Runtime.getRuntime().availableProcessors() * 10);
        // 设置线程活跃时间（秒）
        executor.setKeepAliveSeconds(10);
        // 设置默认线程名称
        executor.setThreadNamePrefix("scheduled-");
        // 设置拒绝策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.initialize();
        return executor;
    }

}

相关工具类

java 复制代码 
import com.startdt.license.util.WrapUtil;
import org.slf4j.MDC;
import org.springframework.scheduling.Trigger;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.util.concurrent.ListenableFuture;

import java.util.Date;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.concurrent.RunnableScheduledFuture;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;


public class TraceSpringTraceWrapUtil extends WrapUtil {

    public static class ThreadPoolTaskExecutorMdcWrapper extends ThreadPoolTaskExecutor {

        @Override
        public void execute(Runnable task) {
            super.execute(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public void execute(Runnable task, long startTimeout) {
            super.execute(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), startTimeout);
        }

        @Override
        public <T> Future<T> submit(Callable<T> task) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public Future<?> submit(Runnable task) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public ListenableFuture<?> submitListenable(Runnable task) {
            return super.submitListenable(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public <T> ListenableFuture<T> submitListenable(Callable<T> task) {
            return super.submitListenable(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }
    }

    public static class ScheduledThreadPoolTaskExecutorMdcWrapper extends ScheduledThreadPoolExecutor {

        public ScheduledThreadPoolTaskExecutorMdcWrapper(int corePoolSize) {
            super(corePoolSize);
        }

        public ScheduledThreadPoolTaskExecutorMdcWrapper(int corePoolSize, ThreadFactory threadFactory) {
            super(corePoolSize, threadFactory);
        }

        @Override
        protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> callable, RunnableScheduledFuture<V> task) {
            return super.decorateTask(WrapUtil.wrap(callable, MDC.getCopyOfContextMap()), task);
        }

        @Override
        protected <V> RunnableScheduledFuture<V> decorateTask(Runnable runnable, RunnableScheduledFuture<V> task) {
            return super.decorateTask(WrapUtil.wrap(runnable, MDC.getCopyOfContextMap()), task);
        }

        @Override
        public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
            return super.schedule(WrapUtil.wrap(command, MDC.getCopyOfContextMap()), delay, unit);
        }

        @Override
        public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit) {
            return super.scheduleAtFixedRate(WrapUtil.wrap(command, MDC.getCopyOfContextMap()), initialDelay, period, unit);
        }
    }

    public static class ThreadPoolTaskSchedulerWrapper extends ThreadPoolTaskScheduler {

        @Override
        public ScheduledFuture<?> schedule(Runnable task, Date startTime) {
            return super.schedule(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), startTime);
        }

        @Override
        public ScheduledFuture<?> schedule(Runnable task, Trigger trigger) {
            return super.schedule(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), trigger);
        }

        @Override
        public ScheduledFuture<?> scheduleAtFixedRate(Runnable task, long period) {
            return super.scheduleAtFixedRate(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), period);
        }

        @Override
        public ScheduledFuture<?> scheduleAtFixedRate(Runnable task, Date startTime, long period) {
            return super.scheduleAtFixedRate(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), startTime, period);
        }

        @Override
        public ScheduledFuture<?> scheduleWithFixedDelay(Runnable task, long delay) {
            return super.scheduleWithFixedDelay(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), delay);
        }

    }


    public static ThreadPoolTaskExecutor newThreadPoolTaskExecutor() {
        return new ThreadPoolTaskExecutorMdcWrapper();
    }

    public static ScheduledThreadPoolExecutor newScheduledThreadPoolExecutor(int corePoolSize) {
        return new ScheduledThreadPoolTaskExecutorMdcWrapper(corePoolSize);
    }

    public static ScheduledThreadPoolExecutor newScheduledThreadPoolExecutor(int corePoolSize, ThreadFactory threadFactory) {
        return new ScheduledThreadPoolTaskExecutorMdcWrapper(corePoolSize, threadFactory);
    }

    public static ThreadPoolTaskScheduler newThreadPoolTaskScheduler() {
        return new ThreadPoolTaskSchedulerWrapper();
    }

}

2.3 spring线程池

java 复制代码 
import com.startdt.license.util.WrapUtil;
import org.slf4j.MDC;
import org.springframework.scheduling.Trigger;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.util.concurrent.ListenableFuture;

import java.util.Date;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.concurrent.RunnableScheduledFuture;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;


public class TraceSpringTraceWrapUtil extends WrapUtil {

    public static class ThreadPoolTaskExecutorMdcWrapper extends ThreadPoolTaskExecutor {

        @Override
        public void execute(Runnable task) {
            super.execute(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public void execute(Runnable task, long startTimeout) {
            super.execute(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), startTimeout);
        }

        @Override
        public <T> Future<T> submit(Callable<T> task) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public Future<?> submit(Runnable task) {
            return super.submit(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public ListenableFuture<?> submitListenable(Runnable task) {
            return super.submitListenable(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }

        @Override
        public <T> ListenableFuture<T> submitListenable(Callable<T> task) {
            return super.submitListenable(WrapUtil.wrap(task, MDC.getCopyOfContextMap()));
        }
    }

    public static class ScheduledThreadPoolTaskExecutorMdcWrapper extends ScheduledThreadPoolExecutor {

        public ScheduledThreadPoolTaskExecutorMdcWrapper(int corePoolSize) {
            super(corePoolSize);
        }

        public ScheduledThreadPoolTaskExecutorMdcWrapper(int corePoolSize, ThreadFactory threadFactory) {
            super(corePoolSize, threadFactory);
        }

        @Override
        protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> callable, RunnableScheduledFuture<V> task) {
            return super.decorateTask(WrapUtil.wrap(callable, MDC.getCopyOfContextMap()), task);
        }

        @Override
        protected <V> RunnableScheduledFuture<V> decorateTask(Runnable runnable, RunnableScheduledFuture<V> task) {
            return super.decorateTask(WrapUtil.wrap(runnable, MDC.getCopyOfContextMap()), task);
        }

        @Override
        public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
            return super.schedule(WrapUtil.wrap(command, MDC.getCopyOfContextMap()), delay, unit);
        }

        @Override
        public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit) {
            return super.scheduleAtFixedRate(WrapUtil.wrap(command, MDC.getCopyOfContextMap()), initialDelay, period, unit);
        }
    }

    public static class ThreadPoolTaskSchedulerWrapper extends ThreadPoolTaskScheduler {

        @Override
        public ScheduledFuture<?> schedule(Runnable task, Date startTime) {
            return super.schedule(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), startTime);
        }

        @Override
        public ScheduledFuture<?> schedule(Runnable task, Trigger trigger) {
            return super.schedule(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), trigger);
        }

        @Override
        public ScheduledFuture<?> scheduleAtFixedRate(Runnable task, long period) {
            return super.scheduleAtFixedRate(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), period);
        }

        @Override
        public ScheduledFuture<?> scheduleAtFixedRate(Runnable task, Date startTime, long period) {
            return super.scheduleAtFixedRate(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), startTime, period);
        }

        @Override
        public ScheduledFuture<?> scheduleWithFixedDelay(Runnable task, long delay) {
            return super.scheduleWithFixedDelay(WrapUtil.wrap(task, MDC.getCopyOfContextMap()), delay);
        }

    }


    public static ThreadPoolTaskExecutor newThreadPoolTaskExecutor() {
        return new ThreadPoolTaskExecutorMdcWrapper();
    }

    public static ScheduledThreadPoolExecutor newScheduledThreadPoolExecutor(int corePoolSize) {
        return new ScheduledThreadPoolTaskExecutorMdcWrapper(corePoolSize);
    }

    public static ScheduledThreadPoolExecutor newScheduledThreadPoolExecutor(int corePoolSize, ThreadFactory threadFactory) {
        return new ScheduledThreadPoolTaskExecutorMdcWrapper(corePoolSize, threadFactory);
    }

    public static ThreadPoolTaskScheduler newThreadPoolTaskScheduler() {
        return new ThreadPoolTaskSchedulerWrapper();
    }

}

2.4 dubbo rpc

java 复制代码 
@Activate(group = {DubboConstants.CONSUMER} , order = -9999)
public class TraceDubboConsumerFilter implements Filter {

    private Logger logger = LoggerFactory.getLogger(TraceDubboConsumerFilter.class);

    @Override
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        String traceId = TraceUtil.getTraceId();
        String traceCaller = TraceUtil.getTraceCaller();
        String traceOrigin = TraceUtil.getTraceOrigin();

        if(StringUtils.isBlank(traceId)) {
            traceId = TraceUtil.genTraceId();
            traceCaller = TraceUtil.getApplicationName();
            traceOrigin = TraceUtil.getApplicationName();
            logger.debug("[仅生成追踪信息]traceId:{}. traceCaller:{}. traceOrigin:{}", traceId, traceCaller, traceOrigin);
        }

        RpcContext.getContext().setAttachment(TraceConstants.LOG_TRACE_ID, traceId);
        RpcContext.getContext().setAttachment(TraceConstants.LOG_TRACE_CALLER, traceCaller);
        RpcContext.getContext().setAttachment(TraceConstants.LOG_TRACE_ORIGIN, traceOrigin);
        return invoker.invoke(invocation);
    }
}
java 复制代码 
@Activate(group = {DubboConstants.PROVIDER}, order = -10000)
public class TraceDubboProviderFilter implements Filter {

    private Logger logger = LoggerFactory.getLogger(TraceDubboConsumerFilter.class);

    @Override
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        //traceOrigin、traceCaller、traceId
        String traceId = invocation.getAttachment(TraceConstants.LOG_TRACE_ID);
        String traceCaller = invocation.getAttachment(TraceConstants.LOG_TRACE_CALLER);
        String traceOrigin = invocation.getAttachment(TraceConstants.LOG_TRACE_ORIGIN);

        //如果不存在traceId需要生成
        if (StringUtils.isBlank(traceId)) {
            boolean generate = TraceUtil.loadTraceInfo();
            if(generate) {
                logger.info("[生成追踪信息]" + TraceUtil.getTraceInfoString());
            }
        }else {
            //设置MDC
            MDC.put(TraceConstants.LOG_TRACE_ORIGIN, traceOrigin);
            MDC.put(TraceConstants.LOG_TRACE_CALLER, traceCaller);
            MDC.put(TraceConstants.LOG_TRACE_ID, traceId);
        }

        //IP
        String clientIp = RpcContext.getContext().getRemoteHost();
        MDC.put(TraceConstants.LOG_TRACE_IP, clientIp);

        try {
            return invoker.invoke(invocation);
        } finally {
            MDC.clear();
        }
    }
}

2.5 kafka

生产者：

a:增加配置项：

XML 复制代码 
spring:
    kafka:
        producer:
            properties:
                interceptor:
                    classes: com.trace.kafka.TraceProducerInterceptor

b.kafkaTemplateAutoConfig代码中增加

java 复制代码 
if (StringUtils.isNotBlank(producerInterceptors)) {
    props.put(ProducerConfig.INTERCEPTOR_CLASSES_CONFIG, producerInterceptors);
}

消费者前增加代码：

java 复制代码 
TraceConsumerUtil.trace(consumerRecord);

消费者工具类

java 复制代码 
import com.startdt.simba.boot.common.constants.TraceConstants;
import com.startdt.simba.boot.common.utils.TraceUtil;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.common.header.Header;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class TraceConsumerUtil {

    private static final Logger LOGGER = LoggerFactory.getLogger(TraceConsumerUtil.class);

    public static void trace(ConsumerRecord consumerRecord) {
        try {
            if(consumerRecord == null) {
                return;
            }
            Iterable<Header> headers = consumerRecord.headers().headers(TraceConstants.LOG_TRACE_ID);
            Header firstHeader = null;
            for(Header header : headers) {
                if(firstHeader != null) {
                    break;
                }
                if(header != null) {
                    firstHeader = header;
                }
            }
            if(firstHeader == null) {
                TraceUtil.setTraceId(TraceUtil.genTraceId());
            }else {
                TraceUtil.setTraceId(new String(firstHeader.value()));
            }
        }catch (Exception ex) {
            LOGGER.warn("Kafka tracking ID setting failed, reason:" + ex.getMessage(), ex);
        }
    }
}

生产者拦截器

java 复制代码 
public class TraceProducerInterceptor implements ProducerInterceptor {

    private static final Logger LOGGER = LoggerFactory.getLogger(TraceProducerInterceptor.class);

    @Override
    public ProducerRecord onSend(ProducerRecord record) {
        try {
            TraceUtil.loadTraceInfo();
            String traceId = TraceUtil.getTraceId();
            if(StrUtil.isNotBlank(traceId)) {
                record.headers().add(TraceConstants.LOG_TRACE_ID, traceId.getBytes());
            }
        }catch (Exception ex) {
            LOGGER.warn("Kafka tracking ID setting failed, reason:" + ex.getMessage(), ex);
        }
        return record;
    }

    @Override
    public void onAcknowledgement(RecordMetadata metadata, Exception exception) {
    }

    @Override
    public void close() {
    }

    @Override
    public void configure(Map<String, ?> configs) {
    }
}

2.6 线程池使用步骤

替换ThreadPoolExecutor为包装类

    private static ThreadPoolExecutor executor = new TraceWrapUtil.ThreadPoolExecutorMdcWrapper(defaultPoolSize, defaultPoolSize,
            10L,TimeUnit.SECONDS,
            new ArrayBlockingQueue<>(1000),
            new NameThreadFactory("warn.message.handler."), new AbortPolicy());
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