#!/bin/bash
# -*- 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'
  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 in ${LOGFILE}"

  echo 'error.label error count'
  echo 'error.draw LINE2'
  echo "error.info error count in ${LOGFILE}"

  echo 'warn.label warn count'
  echo 'warn.draw LINE2'
  echo "warn.info warn count in ${LOGFILE}"
  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]
env.logfile /usr/local/tomcat/logs/app.log