로그 추가 정보 수집

src/main/java/one/colla/global/config/log/RequestLoggingFilter.java

@@ -0,0 +1,76 @@
+package one.colla.global.config.log;
+
+import java.io.IOException;
+import java.util.UUID;
+
+import org.slf4j.MDC;
+import org.springframework.core.annotation.Order;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import one.colla.common.security.authentication.CustomUserDetails;
+
+@Component
+@Order(10)
+public class RequestLoggingFilter extends OncePerRequestFilter {
+
+	private static final String USER_ID = "userId";
+	private static final String REQUEST_ID = "requestId";
+	private static final String IP = "clientIp";
+	private static final String USER_AGENT = "userAgent";
+	private static final String REQUEST_URI = "uri";
+	private static final String HTTP_METHOD = "httpMethod";
+
+	@Override
+	protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
+		throws ServletException, IOException {
+		try {
+			MDC.put(REQUEST_ID, UUID.randomUUID().toString());
+
+			String clientIp = getClientIp(request);
+			MDC.put(IP, clientIp);
+
+			String userAgent = request.getHeader("User-Agent");
+			MDC.put(USER_AGENT, userAgent != null ? userAgent : "unknown");
+
+			MDC.put(REQUEST_URI, request.getRequestURI());
+			MDC.put(HTTP_METHOD, request.getMethod());
+
+			Authentication auth = SecurityContextHolder.getContext().getAuthentication();
+			if (auth != null && auth.isAuthenticated() && auth.getPrincipal() instanceof UserDetails userDetails) {
+				MDC.put(USER_ID, ((CustomUserDetails)userDetails).getUserId().toString());
+			}
+
+			filterChain.doFilter(request, response);
+		} finally {
+			MDC.clear();
+		}
+	}
+
+	private String getClientIp(HttpServletRequest request) {
+		String ip = request.getHeader("X-Forwarded-For");
+		if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+			ip = request.getHeader("Proxy-Client-IP");
+		}
+		if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+			ip = request.getHeader("WL-Proxy-Client-IP");
+		}
+		if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+			ip = request.getHeader("HTTP_CLIENT_IP");
+		}
+		if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+			ip = request.getHeader("HTTP_X_FORWARDED_FOR");
+		}
+		if (ip == null || ip.isEmpty() || "unknown".equalsIgnoreCase(ip)) {
+			ip = request.getRemoteAddr();
+		}
+		return ip;
+	}
+}

src/main/resources/logback-spring.xml

@@ -13,6 +13,12 @@
         <file>/logs/application.log</file>
         <encoder class="net.logstash.logback.encoder.LogstashEncoder">
             <includeMdcKeyName>correlationId</includeMdcKeyName>
+            <includeMdcKeyName>requestId</includeMdcKeyName>
+            <includeMdcKeyName>userId</includeMdcKeyName>
+            <includeMdcKeyName>clientIp</includeMdcKeyName>
+            <includeMdcKeyName>userAgent</includeMdcKeyName>
+            <includeMdcKeyName>uri</includeMdcKeyName>
+            <includeMdcKeyName>httpMethod</includeMdcKeyName>
             <customFields>{"app_name":"colla-backend","environment":"prod"}</customFields>
         </encoder>
         <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">