YARN-11519. [Federation] Add RouterAuditLog to log4j.properties. (#5785)

hadoop-common-project/hadoop-common/src/main/conf/log4j.properties

@@ -232,6 +232,21 @@ log4j.appender.NMAUDIT.layout.ConversionPattern=%d{ISO8601}%p %c{2}: %m%n
 log4j.appender.NMAUDIT.MaxFileSize=${nm.audit.log.maxfilesize}
 log4j.appender.NMAUDIT.MaxBackupIndex=${nm.audit.log.maxbackupindex}
 
+#
+# YARN Router audit logging
+#
+router.audit.logger=INFO,NullAppender
+router.audit.log.maxfilesize=256MB
+router.audit.log.maxbackupindex=20
+log4j.logger.org.apache.hadoop.yarn.server.router.RouterAuditLogger=${router.audit.logger}
+log4j.additivity.org.apache.hadoop.yarn.server.router.RouterAuditLogger=false
+log4j.appender.ROUTERAUDIT=org.apache.log4j.RollingFileAppender
+log4j.appender.ROUTERAUDIT.File=${hadoop.log.dir}/router-audit.log
+log4j.appender.ROUTERAUDIT.layout=org.apache.log4j.PatternLayout
+log4j.appender.ROUTERAUDIT.layout.ConversionPattern=%d{ISO8601} %p %c{2}: %m%n
+log4j.appender.ROUTERAUDIT.MaxFileSize=${router.audit.log.maxfilesize}
+log4j.appender.ROUTERAUDIT.MaxBackupIndex=${router.audit.log.maxbackupindex}
+
 # HS audit log configs
 #mapreduce.hs.audit.logger=INFO,HSAUDIT
 #log4j.logger.org.apache.hadoop.mapreduce.v2.hs.HSAuditLogger=${mapreduce.hs.audit.logger}

hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh

@@ -158,7 +158,7 @@
 #
 # See ResourceManager for some examples
 #
-#export YARN_ROUTER_OPTS=
+#export YARN_ROUTER_OPTS="-Drouter.audit.logger=INFO,ROUTERAUDIT"
 
 ###
 # Global Policy Generator specific parameters