ZOOKEEPER-980. allow configuration parameters for log4j.properties (phunt via mahadev)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1069169 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -236,6 +236,8 @@ IMPROVEMENTS:
 
   ZOOKEEPER-465. Ledger size in bytes. (flavio via mahadev)
 
+  ZOOKEEPER-980. allow configuration parameters for log4j.properties (phunt via mahadev)
+
 NEW FEATURES:
   ZOOKEEPER-729. Java client API to recursively delete a subtree.
   (Kay Kay via henry)

conf/log4j.properties

@@ -1,3 +1,12 @@
+# Define some default values that can be overridden by system properties
+zookeeper.root.logger=INFO, CONSOLE
+zookeeper.console.threshold=INFO
+zookeeper.log.dir=.
+zookeeper.log.file=zookeeper.log
+zookeeper.log.threshold=DEBUG
+zookeeper.tracelog.dir=.
+zookeeper.tracelog.file=zookeeper_trace.log
+
 #
 # ZooKeeper Logging Configuration
 #
@@ -5,7 +14,7 @@
 # Format is "<default threshold> (, <appender>)+
 
 # DEFAULT: console appender only
-log4j.rootLogger=INFO, CONSOLE
+log4j.rootLogger=${zookeeper.root.logger}
 
 # Example with rolling log file
 #log4j.rootLogger=DEBUG, CONSOLE, ROLLINGFILE
@@ -17,7 +26,7 @@ log4j.rootLogger=INFO, CONSOLE
 # Log INFO level and above messages to the console
 #
 log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
-log4j.appender.CONSOLE.Threshold=INFO
+log4j.appender.CONSOLE.Threshold=${zookeeper.console.threshold}
 log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
 log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L] - %m%n
 
@@ -25,8 +34,8 @@ log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-
 # Add ROLLINGFILE to rootLogger to get log file output
 #    Log DEBUG level and above messages to a log file
 log4j.appender.ROLLINGFILE=org.apache.log4j.RollingFileAppender
-log4j.appender.ROLLINGFILE.Threshold=DEBUG
-log4j.appender.ROLLINGFILE.File=zookeeper.log
+log4j.appender.ROLLINGFILE.Threshold=${zookeeper.log.threshold}
+log4j.appender.ROLLINGFILE.File=${zookeeper.log.dir}/${zookeeper.log.file}
 
 # Max log file size of 10MB
 log4j.appender.ROLLINGFILE.MaxFileSize=10MB
@@ -42,7 +51,7 @@ log4j.appender.ROLLINGFILE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}]
 #    Log DEBUG level and above messages to a log file
 log4j.appender.TRACEFILE=org.apache.log4j.FileAppender
 log4j.appender.TRACEFILE.Threshold=TRACE
-log4j.appender.TRACEFILE.File=zookeeper_trace.log
+log4j.appender.TRACEFILE.File=${zookeeper.tracelog.dir}/${zookeeper.tracelog.file}
 
 log4j.appender.TRACEFILE.layout=org.apache.log4j.PatternLayout
 ### Notice we are including log4j's NDC here (%x)