Passive Überwachung

Die passive Überwachung erfolg über NSCA.

Konfiguration

• nagios-plugin installierten.
• Script anpassen.

#!/bin/bash

# cron
export ORACLE_BASE=/opt/oracle
export ORACLE_HOME=/opt/oracle/product/10.2/db_1
export ORACLE_SID=heldb

# PARAMETER
hostName='shel-db1'             #Nagiosconfig

SetReturnCode()
{
   # $1 Hostname
   # $2 NSA Name
   # $3 Return Check
   funcReturn=3
   if [ $# -eq 3 ]; then
       case "$3" in
       *OK*)
          funcReturn=$1";"$2"; 0; "$3
          ;;
       *WARNING*)
          funcReturn=$1";"$2"; 1; "$3
          ;;
       *CRITICAL*)
          funcReturn=$1";"$2"; 2; "$3
          ;;
       *)
          funcReturn=$1";"$2"; 3; "$3
          ;;
       esac
   fi
   echo $funcReturn
}

SendNagios()
{
  if [ $# -eq 1 ]; then
       /bin/echo $1 |LD_PRELOAD=/usr/local/nagios/nsca/libmcrypt.so.4 /usr/local/nagios/nsca/send_nsca -H 172.16.2.106 -d ';' -c /usr/local/nagios/nsca/send_nsca.cfg
  fi
}

#MAIN
SendNagios "$(SetReturnCode $hostName 'Diskspace' "`/usr/local/nagios/libexec/check_disk -w 5% -c 2% -M /`")"
SendNagios "$(SetReturnCode $hostName 'TABLESPACE-USERS' "`/usr/local/nagios/libexec/custom/check_oracle_health --connect shel-db1 --user nagios --password 2008nag! --mode tablespace-usage -name USERS`")"

• Cronjob einrichte.