68 lines
1.8 KiB
Plaintext
68 lines
1.8 KiB
Plaintext
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#!/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 eth1 based on eth0 settings and
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# some conventions. This scripts works for both diskfull installs and diskless boots.
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use Socket;
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# Take primary node name, add -eth1 and then reverse resolve to get what ip should be
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my $nic = 'eth1';
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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 'configeth: 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 $netmask = "255.255.0.0";
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my ($first, $second, $rest) = split(/\./, $ip);
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my $gateway = "$first.$second.255.254";
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# Write the info to the ifcfg file
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my $dir = "/etc/sysconfig/network-scripts";
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if (!open(FILE, ">$dir/ifcfg-$nic")) { system("logger -t xcat 'configeth: 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";
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close FILE;
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runcmd("$dir/ifup $nic");
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system("logger -t xcat 'configeth: successfully configured $nic.'");
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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 'configeth: command $cmd failed with rc $rc: " . join('',@output) . "'");
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exit $rc;
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}
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}
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#$master=$ENV{MASTER};
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#if ($^O =~ /^aix/i) { }
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#elsif (($ENV{OSVER} && ($ENV{OSVER} =~ /fedora/i)) || (-f "/etc/fedora-release")) { }
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#elsif (($ENV{OSVER} && ($ENV{OSVER} =~ /sles|suse/i)) || (-f "/etc/SuSE-release")) { }
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#$result=`grep "^SYSLOG_DAEMON=" $sysconfig 2>&1`;
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#`logger -t xcat "Install: syslog setup"`;
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