为mycat增加logstash日志功能

piplus-backend-v5-mycat-docker/conf-prod/log4j2.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <Configuration status="WARN">
+    <Properties>
+        <Property name="PATTERN">%d{yyyy-MM-dd HH:mm:ss.SSS} %5p [%t] (%l) - %m%n</Property>
+    </Properties>
     <Appenders>
         <Console name="Console" target="SYSTEM_OUT">
             <PatternLayout pattern="%d [%-5p][%t] %m %throwable{full} (%C:%F:%L) %n"/>
@@ -7,7 +10,7 @@
 
         <RollingFile name="RollingFile" fileName="${sys:MYCAT_HOME}/logs/mycat.log"
                      filePattern="${sys:MYCAT_HOME}/logs/$${date:yyyy-MM}/mycat-%d{MM-dd}-%i.log.gz">
-        <PatternLayout>
+            <PatternLayout>
                 <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %5p [%t] (%l) - %m%n</Pattern>
             </PatternLayout>
             <Policies>
@@ -16,17 +19,20 @@
                 <TimeBasedTriggeringPolicy/>
             </Policies>
         </RollingFile>
+
+        <Socket name="Logstash" host="v5-prod-logstash" port="4560" protocol="TCP">
+            <PatternLayout pattern="${PATTERN}" />
+        </Socket>
     </Appenders>
     <Loggers>
         <!--<AsyncLogger name="io.mycat" level="info" includeLocation="true" additivity="false">-->
             <!--<AppenderRef ref="Console"/>-->
             <!--<AppenderRef ref="RollingFile"/>-->
         <!--</AsyncLogger>-->
-        <asyncRoot level="info" includeLocation="true">
-
+        <asyncRoot level="debug" includeLocation="true">
             <AppenderRef ref="Console" />
-            <AppenderRef ref="RollingFile"/>
-
+            <!-- <AppenderRef ref="RollingFile"/> -->
+            <AppenderRef ref="Logstash"/>
         </asyncRoot>
     </Loggers>
 </Configuration>