7ebfabefe2
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2646 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
119 lines
3.5 KiB
Perl
119 lines
3.5 KiB
Perl
#!/usr/bin/perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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# Sample xCAT post script for configuring secondary adatper based on eth0
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# settings and some conventions. This scripts works for both diskfull installs # and diskless boots.
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use Socket;
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#Check the platform
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my $PLTFRM = `uname`;
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chomp $PLTFRM;
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my @nums = (0..3);
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foreach my $num (@nums) {
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# Take primary node name, add -ib$num and then reverse resolve to get what ip should be
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my $nic = "ib$num";
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my $hostname = "$ENV{NODE}-$nic";
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my $packed_ip = gethostbyname($hostname);
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if (!$packed_ip) { system("logger -t xcat 'configiba: cannot resolve $hostname.'"); exit 1; }
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my $ip = inet_ntoa($packed_ip);
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#TODO: should contact xcatd on the service node to get the netmask and gateway from the networks table
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my $netmask = "255.255.255.0";
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my ($first, $second, $rest) = split(/\./, $ip);
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my $gateway = "$first.$second.255.254";
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if ($PLTFRM eq "Linux") {
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# Issue openibd for Linux at boot time
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my $OS_name;
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if ( -f '/etc/redhat-release')
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{
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$OS_name = "redhat";
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}
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elsif ( -f '/etc/SuSE-release')
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{
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$OS_name = "suse";
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}
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else
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{
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print "Unsupported to config IB on this OS!\n";
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exit;
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}
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if ( -f "/etc/infiniband/openib.conf")
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{
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runcmd("/usr/bin/sed -i 's/SDP_LOAD=yes/SDP_LOAD=no/g' /etc/infiniband/openib.conf");
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}
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my $openibd_cmd = "/sbin/chkconfig --level 2345 openibd on";
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runcmd($openibd_cmd);
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# Write the info to the ifcfg file
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my $dir;
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if ( $OS_name eq 'suse')
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{
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$dir = "/etc/sysconfig/network";
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}
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elsif ( $OS_name eq 'redhat')
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{
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$dir = "/etc/sysconfig/network-scripts";
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}
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if (!open(FILE, ">$dir/ifcfg-$nic")) { system("logger -t xcat 'configiba: cannot open $dir/ifcfg-$nic.'"); exit 1; }
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print FILE "DEVICE=$nic\n";
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print FILE "BOOTPROTO=none\n";
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print FILE "IPADDR=$ip\n";
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print FILE "NETMASK=$netmask\n";
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print FILE "GATEWAY=$gateway\n";
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print FILE "ONBOOT=yes\n" if ( $OS_name eq 'redhat');
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print FILE "STARTMODE=auto\n" if ( $OS_name eq 'suse');
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close FILE;
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runcmd("$dir/ifup $nic");
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system("logger -t xcat 'configiba: successfully configured $nic.'");
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} elsif ($PLTFRM eq "AIX") {
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#Check whether the icm is available
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my $cmd = "lsdev -C | grep icm | grep Available";
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`$cmd`;
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if ($?) {
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my $iba_cmd = "mkdev -c management -s infiniband -t icm";
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runcmd($iba_cmd);
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if ($?) {
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my $iba_command = "mkdev -l icm";
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runcmd($iba_command);
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if ($?) { exit $?; }
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}
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}
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#Configure the IB interfaces
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my $iba_num = int($num / 2);
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my $ib_adapter = "iba$iba_num";
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my $port;
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if ($num % 2 ==0) { $port = 1; }
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else { $port = 2; }
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my $mkib_cmd = "mkiba -a $ip -i $nic -A $ib_adapter -p $port -P -1 -S up -m $netmask";
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runcmd($mkib_cmd);
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system("logger -t xcat 'configiba: successfully configured $nic.'");
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}
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}
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exit 0;
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sub runcmd {
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my $cmd = shift @_;
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$cmd .= ' 2>&1';
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my @output = `$cmd`;
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my $rc = $? >> 8;
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if ($rc) {
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system("logger -t xcat 'configiba: command $cmd failed with rc $rc: " . join('',@output) . "'");
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return $rc;
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}
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}
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