nagios自定义脚插件开发
假设我们开发一个监听远程服务器硬盘空间大小的插件1.在nagios目录libexec下添加可执行脚本check_remote_disk.sh:
out=`ssh root@$1'/opt/nagios/check_disk -w 10% -c 5% -p / -w 10% -c 5%-p /home-w 10% -c 5% -p /opt -w 10% -c 5% -p /var/log'`
result=`echo $out | grep "DISK OK"`
if [ "$result" = "" ]; then
echo $out
exit 2
else
echo $out
exit 0
fi
2.将nagios下面的libexec拷贝至远程服务器/opt/nagios，并设置免密码登录至该远程服务器上；
3.etc/objetcs/commands.cfg添加：
define command{
command_name remote_disk_check
command_line $USER1$/check_remote_disk.sh $HOSTADDRESS$
}
4.etc/objects/自定义.cfg添加：
define service{
use generic-service
hostgroup_name server1 #我自己定义的host-group
service_description remote_disk_check
check_command remote_disk_check
normal_check_interval 5
retry_check_interval 5
}
5.重启nagios.
PS：
nagios自定义插件返回码：
Return Code Service State Host State
0 OK UP
1 WARNING UP or DOWN/UNREACHABLE*
2 CRITICAL DOWN/UNREACHABLE
3 UNKNOWN DOWN/UNREACHABLE
nagios脚本排错：
/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
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