Customplug(一)-创新互联
Monitoring plugin:
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[root@RHEL5 nagios]# mkdir customexec
[root@RHEL5 nagios]# vi customexec/check_procs.sh
#!/bin/sh #Author:zhai_kang,20131024 COUNT=`ps -ef | grep -v grep | grep $2 | wc -l` PROC=`expr $COUNT - 2` if [[ $PROC -ge $6 ]] then line=`echo "Critical - PROC=$PROC"` RC=2 elif [[ $PROC -ge $4 ]] then line=`echo "Warning - PROC=$PROC"` RC=1 elif [[ $PROC -ge 1 ]] then line=`echo "OK - PROC=$PROC"` RC=0 else line=`echo "Unknown - PROC=null"` RC=3 fi echo $line \| proc=$PROC exit $RC
[root@RHEL5 nagios]# chown -R nagios:nagios customexec/
[root@RHEL5 nagios]# chmod +x customexec/check_procs.sh
Set the path to the plugins:
[root@RHEL5 nagios]# vi /etc/nagios/resource.cfg
#Add by Kingcraft $USER5$=/usr/local/nagios/customexec
Integration of the PNP4Nagios and Nagios:
[root@RHEL5 nagios]# vi /etc/nagios/nagios.cfg
process_performance_data=1 host_perfdata_command=process-host-perfdata service_perfdata_command=process-service-perfdata
[root@RHEL5 nagios]# vi /etc/nagios/objects/templates.cfg
#Add by Kingcraft define host{ name host-pnp register 0 action_url /pnp4nagios/graph?host=$HOSTNAME$ } define service{ name srv-pnp register 0 action_url /pnp4nagios/graph?host=$HOSTNAME$&srv=$SERVICEDESC$ }
Define the monitoring command:
[root@RHEL5 nagios]# vi /etc/nagios/objects/commands.cfg
define command{ command_name process-host-perfdata command_line /usr/bin/perl /usr/local/pnp4nagios/libexec/process_perfdata.pl -d HOSTPERFDATA } define command{ command_name process-service-perfdata command_line /usr/bin/perl /usr/local/pnp4nagios/libexec/process_perfdata.pl } define command{ command_name check_procs command_line $USER5$/check_procs.sh -a $ARG1$ -w $ARG2$ -c $ARG3$ }
Definition monitor file:
[root@RHEL5 nagios]# vi /etc/nagios/Linuxhosts/localhost.cfg
# Define a host for the local machine define host{ use linux-server,host-pnp host_name Monitor alias Monitor address 172.17.10.4 } define service{ use local-service,srv-pnp host_name Monitor service_description check_procs check_command check_procs!ndo2db!4!6 }
Syntax checking && restart nagios:
[root@RHEL5 nagios]# /usr/local/nagios/bin/nagios -v /etc/nagios/nagios.cfg
[root@RHEL5 nagios]# service nagios restart
Verification:
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