nagios扩展开发之check_ping

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[工作内容]
老大的需求，对指定IP进行ping，当到达一定的阀值，如50ms，那么就cirtical，并且对其进行一次tracertroute，我们都知道对前面的需求，很好解决，那就是check_ping这个插件就能解决，但它还无法满足后面的需求，咋办？只有自己开发了,好了，那就干吧!~
[过程]
commands.cfg
define command{
        command_name    check_ping_dev
        command_line    $USER1$/check_ping_dev $HOSTADDRESS$  $ARG1$  $ARG2$  10
        }
services.cfg
define service  {
        name                    mrtg-services-init
        service_description     ping
        check_command           check_ping_dev!50,50%!50,50%
        check_period            24x7
        max_check_attempts      2
        normal_check_interval   5
        retry_check_interval    2
        contact_groups          sagroup
        notification_interval   5
        notification_period     24x7
        notification_options    w,u,c,r
        register                   0
}
define service {
        use                     mrtg-services-init
        host_name               M-x.x.x.x,M-y.y.y.y
}

那么现在开发check_ping_dev

#!/usr/bin/perl

$USR1="/usr/local/nagios/libexec";
$ARG1=$ARGV[0];
$ARG2=$ARGV[1];
$ARG3=$ARGV[2];
$ARG4=$ARGV[3];

$result = `$USR1/check_ping -H $ARG1 -w $ARG2 -c $ARG3 -p $ARG4`;
@results=split(" ",$result);
if( grep(/CRITICAL/,@results) ){
       printf($result);
       print "\n";
       `$USR1/save_log $ARG1`;
       exit 2;
}
else{
    printf($result);
    print "\n";
    exit 0;
}

save_log的作用就是记录tracert

#!/usr/bin/perl
use POSIX qw(strftime);

$dtime = strftime "%Y%m%d %H:%M:%S", localtime(time());

$SAVE_PATH="/tmp";
$RAG1=$ARGV[0];

$result=`/bin/traceroute $RAG1`;
open("FH",">>$SAVE_PATH/$RAG1");
    print FH $dtime."\n";
    print FH $result."\n"; 
close(FH);

好了，满足公司的需求，解决问题!~