78 lines
2.3 KiB
Plaintext
78 lines
2.3 KiB
Plaintext
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#!/usr/bin/perl
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## snmp for monsetting to remove blade settings from blade when trap is recieved
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## example:
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## 1. user removes a blade from the chassis
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## 2. snmp trap setup to point here
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## 3. this script removes the blade configuration from xCAT
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## 4. so if blade is placed in new slot or back in then xCAT goes
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## through rediscover process again.
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use strict;
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use Socket; # for name resolution
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my $ip='';
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my $mm='';
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my $slot='';
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my $log = "/var/log/xcatsnmp";
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open(FILE,">>$log") or die "Can't open log!!!";
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my $date = `date`;
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chomp($date);
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print FILE "==================== $date ============================\n";
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sub rmblade {
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my $blade = shift;
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my $hex = ip2hex($blade);
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print FILE "Running: nodech $blade chain.currstate='' chain.currchain=''\n";
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`nodech $blade chain.currstate='' chain.currchain=''`;
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print FILE "Running: chtab -d node=$blade mac\n";
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`chtab -d node=$blade mac`;
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print FILE "Running: makedhcp -d $blade\n";
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`makedhcp -d $blade`;
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print FILE "Running: rm /tftpboot/pxelinux.cfg/$blade\n";
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`rm /tftpboot/pxelinux.cfg/$blade`;
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print FILE "Running: rm /tftpboot/pxelinux.cfg/$hex\n";
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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 $node = $ARGV[0];
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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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print FILE "IP that was removed is $ip\n";
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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 $hex;
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}
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foreach (<>){
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if(/ip=UDP/){
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$ip = $_;
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chomp($ip);
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$ip =~ s/ip=UDP: \[(.*)\]:.*/$1/g;
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$mm = gethostbyaddr(inet_aton($ip), AF_INET);
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}elsif(/spTrapSourceId=/){
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$slot = $_;
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chomp($slot);
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$slot =~ s/.*Blade_(\d\d)".*/$1/g;
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$slot = $slot * 1; # to get rid of the leading 0's.
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}
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}
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print "ip: $ip\n";
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print "host: $mm\n";
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print "slot: $slot\n";
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# we now have slot and amm. Need to now get which blade this is:
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my $node = `nodels compute mp.id==$slot mp.mpa==$mm`;
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chomp($node);
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print "node: $node\n";
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if($node ne ''){
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system("logger -t xcat 'removing $node configuration from xCAT'");
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print FILE "removing $node configuration from xCAT\n";
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&rmblade($node);
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}else{
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system("logger -t xcat 'a blade was removed from $mm:$slot but could not be identified'");
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print FILE "A blade was removed from $mm:$slot but could not be identified\n";
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}
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