check_firebird.php

Simple configuration:
define command{
command_name check_firebird
command_line check_firebird.php -H $HOSTADDRESS$ -U '$ARG1$' -P '$ARG2$' -D '$ARG3$' -S '$ARG4$'
}

With this plugin you could check if:
1. FirebirdSQL/Interbase Service is running
define service{
use generic-service
host_name dbsrv2
service_description Server.Firebird
contact_groups admins
check_command check_firebird!SYSDBA!masterkey
}

2. Database is online and in good condition
define service{
use generic-service
host_name dbsrv2
service_description Service.Firebird
contact_groups admins
check_command check_firebird!SYSDBA!masterkey!/path/to/database.fdb
}

3. Result of your own SQL query
define service{
use generic-service
host_name dbsrv1
service_description Query.database.fdb
contact_groups admins
check_command check_firebird!SYSDBA!masterkey!/path/to/database.fdb!SELECT first 10 DISTINCT RDB$RELATION_NAME FROM RDB$RELATION_FIELDS WHERE RDB$SYSTEM_FLAG=0
}