How Expect plugin woks under Nagios

[Stanley Hopcroft]

Dear Sir,

I am writing to thank you for your letter and say,

On 31/08/06, Horvath Tamas <zsitfa at t-online.hu> wrote:
> Hi!
>
> I wrote an expect plug-in to check PIX startup config checksum.
>
> It works from command line when I started it as nagios user.
>
> But it does not work from Nagios.

Yep. They work as well as TCL/Expect in my dull hands can be 'expected' to.

My suggestion is you don't want the pain of spawn, send, expect partic
with the quoting nightmare and TCL to boot.

Have a look at Net::Telnet::Cisco eg to pluck out DTP negotiation from trunks


  $x = Net::Telnet::Cisco->new(         Host    => $sw,
                                        Timeout => $TIMEOUT,
                                        Errmode => 'return',
                                        $debug ? (Input_Log => *STDERR)  : (),
                                ) or
    do {
      warn qq<## Net::Telnet::Cisco constructor failed for "$sw",
timed out connecting to device.> ;
      next
    } ;

  unless ( $x->login(Password => $pw) ) {
    warn qq<## Net::Telnet::Cisco login method failed for "$sw".> ;
  } else {
    print "$sw.\n" ;
    print "$sw Enable.\n" ;
    unless ( $x->enable($epw) ) {
      warn qq<## Net::Telnet::Cisco enable method failed for "$sw".> ;
    } else {
      print "$sw conf t.\n" ;
      $x->cmd("conf t") ;
      $x->cmd("int Gi $if") ;
      $x->cmd("switchport mode trunk") ;
      $x->cmd("switchport nonegotiate") ;
      $x->cmd("exit") ;
      $x->cmd("exit") ;
      $x->cmd("quit") ;
    }
  }

}

If you really don't like Perl, then other alternatives are

1 Python Expect

2 Rancid clogin.

>
> Does anybody have any experience with expect plugins?
>
> Thanks in advance, Tamas!
>

HTH

Yours sincerely.

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