check Hadoop secondarynamenode

script to check whether the secondarynamenode's metadata was changed or not within last 120minites

useage:

nrpe Configuration
nrpe.cfg
command[check_checkpoint]=/usr/local/bin/secondarynamenode_check.sh

Nagios Configuration
services.cfg

define service {
use generic-service
host_name [secondarynamenode's host]
service_description check_nrpe_secondarynamenode
contact_groups admins
check_command check_nrpe_secondarynamenode!check_checkpoint
}

commands.cfg
define command {
command_name check_nrpe_secondarynamenode
command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$
}