Munin plugin

java_log_errorcount

#!/bin/sh
# -*- sh -*-

: << =cut

=head1 NAME

java_log_errorcount - Plugin to count errors in java log

=head1 CONFIGURATION

This plugin uses the following configuration variables

 [java_log_errorcount]
  env.logfile - log file path
  env.dateformat - log's date foramt 

=head2 DEFAULT CONFIGURATION

The default configuration is

 [java_log_errorcount]
  env.logfile /usr/local/tomcat/logs/catalina.out
  env.dateformat "%Y-%m-%d %H:%M:"

=head1 AUTHOR

@wataru420

=head1 LICENSE

Unknown license

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut

LOGFILE=/usr/local/tomcat/logs/catalina.out
if [ "$logfile"  ]; then LOGFILE=$logfile ; fi

DATEFORMAT="%Y-%m-%d %H:%M:"
if [ "$dateformat"  ]; then DATEFORMAT=$dateformat ; fi

if [ "$1" = "autoconf" ]; then
    if [ -e ${LOGFILE} ]; then
        echo yes
        exit 0
    else
        echo no
        exit 1
    fi
fi

if [ "$1" = "config" ]; then
  echo "graph_title java error count ${LOGFILE}"
  echo 'graph_args --base 1000 -l 0'
  echo 'graph_vlabel count/5min'
  echo 'graph_category java'
  echo 'graph_info Java logs data.'

  echo 'fatal.label fatal count'
  echo 'fatal.draw LINE2'
  echo "fatal.info fatal count"

  echo 'error.label error count'
  echo 'error.draw LINE2'
  echo "error.info error count"

  echo 'warn.label warn count'
  echo 'warn.draw LINE2'
  echo "warn.info warn count"
  exit 0
fi

grep_log()
{
  COUNT=0
  for i in `seq 1 5`
  do
    DATE=`date --date "$i minutes ago" +"${DATEFORMAT}"`
    #echo ${DATE}
    TMPCOUNT=`grep "${DATE}" ${LOGFILE} | grep $1 | wc -l`
    let COUNT=${TMPCOUNT}+${COUNT}
  done
  return ${COUNT}
}

grep_log "FATAL"
echo "fatal.value " $?
grep_log "ERROR"
echo "error.value " $?
grep_log "WARN"
echo "warn.value " $?

java_log_errorcount(conf)

[java_log_errorcount]
env.logfile /usr/local/tomcat/logs/app.log