53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
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#!/usr/bin/perl
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# removes the configuration of a node so that the next time you reboot
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# a node it forces it to go through the discovery process.
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# usage: rmnodecfg <noderange>
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# this does not remove it completely from xCAT. You may want to do this
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# command before running noderm to completely purge the system of the node
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use strict;
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use Socket;
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my $blades = shift;
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if(! $blades) {
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print "Please specify a noderange of blades to remove\n";
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exit;
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}
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foreach my $blade (`/opt/xcat/bin/nodels $blades`){
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chomp($blade);
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my $hex = ip2hex($blade);
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my $cmd = "nodech $blade chain.currstate= chain.currchain= chain.chain=";
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$cmd = "chtab -d node=$blade chain";
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print "$cmd\n";
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`$cmd`;
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$cmd = "chtab -d node=$blade mac";
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print "$cmd\n";
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`$cmd`;
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$cmd = "makedhcp -d $blade";
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print "$cmd\n";
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`$cmd`;
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$cmd = "rm /tftpboot/pxelinux.cfg/$blade";
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print "$cmd\n";
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`$cmd`;
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if($hex){
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$cmd = "rm /tftpboot/pxelinux.cfg/$hex";
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print "$cmd\n";
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`$cmd`;
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}
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}
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sub ip2hex {
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my $node = shift;
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my $ip = '';
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my @quad;
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my $hex = '';
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my $packed_ip = gethostbyname($node);
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if(defined $packed_ip){
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$ip = inet_ntoa($packed_ip);
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@quad = split('\.', $ip);
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$hex = sprintf("%02X%02X%02X%02X", @quad);
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}
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return $hex;
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}
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