Exemplo de script para enviar dados aos items configurados como "Zabbix trapper".

trapper_dbsize.sh

#!/bin/sh

# Autor: Rodrigo Lang
# Data: 02/01/2013

SENDER='/usr/local/zabbix/bin/zabbix_sender'
HOST='Zabbix server'
IP='127.0.0.1'

ALL_DBS=$(psql --dbname postgres -Atc "SELECT pg_database.datname, PG_DATABASE_SIZE(pg_database.datname) AS SIZE FROM pg_database")

for i in $ALL_DBS; do
  DB_NAME=$(echo $i | cut -d'|' -f1)
  DB_SIZE=$(echo $i | cut -d'|' -f2)
  $SENDER -s"$HOST" -z"$IP" -k"pgsql.db.size[$DB_NAME]" -o"$DB_SIZE" >/dev/null
done