Re: [cas-user] CAS Logging {really log4j2 questions}

Duncan Brannen Tue, 24 Apr 2018 05:55:06 -0700

 

Hi All,


                In case anyone else is wondering, it looks like there is a 
default 10MB size on the SizeBasedTriggeringPolicy

(See 
https://github.com/apache/logging-log4j2/blob/master/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/SizeBasedTriggeringPolicy.java
 )

 

Dave, I’ve CC’d you as the instructions at 

https://dacurry-tns.github.io/deploying-apereo-cas/building_server_configure-logging-settings.html

 

will cause loss of data if I’m not mistaken.  Leaving in the 
SizeBasedTriggeringPolicy line will roll the logs at 10MB and combined with the

removal of the -%i from the filepattern =”%d{yyyy-MM-dd-HH}-%i.log” line will 
cause logs to be overwritten every 10MB rather than incrementing

a sequence number. Leaving in the -%i seems a nice safety net anyway as if logs 
ever roll unexpectedly you’ll not overwrite anything.

 

 

 

I’ve not found why the TGT’s are not masked when logged to a socket rather than 
a file though. Anyone? We’re running CAS 5.2.3

 

Cheers,

                Duncan

 

 

 

From: <[email protected]> on behalf of Duncan Brannen <[email protected]>
Reply-To: <[email protected]>
Date: Friday, 20 April 2018 at 09:50
To: "[email protected]" <[email protected]>
Subject: [cas-user] CAS Logging {really log4j2 questions}

 

 

Morning All,

                First, thanks to Dave from the New School for producing the 
deployment guide it was a great help for us migrating

from CAS 3 -> CAS 5 which we’ve recently done.

 

I’ve a couple of issues with logging I wouldn’t mind throwing out here.

 

1/.

 

I set a TimeBasedTriggeringPolicy of a day (via interval of 1 and pattern of 
yyy-MM-dd ) and removed the size=10 MB” from the SizeBasedTriggeringPolicy in 
our

Log4j2.xml file but noticed our logs were rolling still at 10/11MB when we left 
in the <SizeBasedTriggeringPolicy  /> line.  

 

Without it the just roll daily as expected.  I’m not sure if this is something 
unique to us and haven’t found any log4j2 docs that imply there’s a default

if it’s left in without a value.  Can anyone else clarify if the 
SizeBasedTriggeringPolicy should be removed or this is a local issue.

 

2/.

 

I created another Appender and AsyncLogger to send logs to our ELS stack via 
logstash.  Our TGT’s are not being ****’d our in those logs.  Given the

below configs, the TGT’s are obfuscated in cas_json.log but not in logstash.  
Is this as expected / do I need to do the obfuscation in logstash?

 

Cheers,

        Duncan

 

 

<RollingFile name="dbbfile" fileName="${sys:cas.log.dir}/cas_json.log" 
append="true"

                     
filePattern="${sys:cas.log.dir}/cas_json-%d{yyyy-MM-dd}-%i.log">

            <PatternLayout pattern="%d %p [%c] - &lt;%m&gt;%n"/>

            <Policies>

                <OnStartupTriggeringPolicy />

                <TimeBasedTriggeringPolicy interval="1" modulate="true"/>

            </Policies>

        </RollingFile>

 

 

<CasAppender name="casJson">

            <AppenderRef ref="dbbfile" />

        </CasAppender>

 

<Socket name="socket" host="logstashhost" connectTimeoutMillis="3000"

                port="9500" protocol="TCP" ignoreExceptions="false" >

                <JsonLayout compact="true" complete="false" eventEol="true" />

                <SerializedLayout />

        </Socket>

 

 

<AsyncLogger name="org.apereo" additivity="true" level="info">

           <appender-ref ref="casJson" />

           <appender-ref ref="socket" />

        </AsyncLogger>

 

 

 

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Re: [cas-user] CAS Logging {really log4j2 questions}

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