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对请求的API调用过滤，记录接口的请求时间，方便日志审计、告警、分析等运维操作

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zhangran 2021-07-13 17:03:50 +08:00
parent 733d91c577
commit 519b2fb452
1 changed files with 62 additions and 0 deletions
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pig-gateway/src/main/java/com/pig4cloud/pig/gateway/filter/ApiLoggingFilter.java Normal file
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package com.pig4cloud.pig.gateway.filter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
import java.util.List;
/**
* @author zhangran
* @date 2021/7/13
* <p>
* 全局拦截器，作用所有的微服务
* <p>
* 1. 对请求的API调用过滤，记录接口的请求时间，方便日志审计、告警、分析等运维操作
* 2. 后期可以扩展对接其他日志系统
* <p>
*/
@Slf4j
@Component
public class ApiLoggingFilter implements GlobalFilter, Ordered {
private static final String START_TIME = "startTime";
private static final String X_REAL_IP = "X-Real-IP";//nginx需要配置
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
String info = String.format("Method:{%s} Host:{%s} Path:{%s} Query:{%s}",
exchange.getRequest().getMethod().name(),
exchange.getRequest().getURI().getHost(),
exchange.getRequest().getURI().getPath(),
exchange.getRequest().getQueryParams());
if (log.isDebugEnabled()) {
log.debug(info);
}
exchange.getAttributes().put(START_TIME, System.currentTimeMillis());
return chain.filter(exchange).then(Mono.fromRunnable(() -> {
Long startTime = exchange.getAttribute(START_TIME);
if (startTime != null) {
Long executeTime = (System.currentTimeMillis() - startTime);
List<String> ips = exchange.getRequest().getHeaders().get(X_REAL_IP);
String ip = ips != null ? ips.get(0) : null;
String api = exchange.getRequest().getURI().getRawPath();
int code = exchange.getResponse().getStatusCode() != null ? exchange.getResponse().getStatusCode().value() : 500;
//当前仅记录日志，后续可以添加日志队列，来过滤请求慢的接口
if (log.isDebugEnabled()) {
log.debug("来自IP地址：{}的请求接口：{}，响应状态码：{}，请求耗时：{}ms", ip, api, code, executeTime);
}
}
}));
}
@Override
public int getOrder() {
return Ordered.LOWEST_PRECEDENCE;
}
}