adfb223fd4
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@15239 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
374 lines
13 KiB
Perl
Executable File
374 lines
13 KiB
Perl
Executable File
#!/usr/bin/perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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# xCAT post script for configuring additional ethernet nics. Information is
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# retreieved from nics table. Environment variables are set in the postscript
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# The nic (i.e. eth1, en1) is passed as the only argument.
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# Environment variables are set in the postscript in the mypostscript.tmpl
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# file on the management node:
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#
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#
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# NICNODE - the name of the node minus the NICHOSTNAMESUFFIXES
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# NICIPS - the ip address for this nic
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# NICTYPES - for configeth - this must be ethernet
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# NICCUSTOMSCRIPTS - parsed in confignics to invoke this script if set. (not used here)
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# NICNETWORKS - the network this nic is attached to. Must also verify this network is
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# set in the networks table.
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use strict;
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use Socket;
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my $nic = shift(@ARGV);
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my $nicips = $ENV{NICIPS};
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my $nicnetworks = $ENV{NICNETWORKS};
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my $nicnode = $ENV{NICNODE};
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my $net_cnt = $ENV{NETWORKS_LINES};
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my $netmask ='';
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my $ipaddr = '';
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my $nic_num = '';
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my $subnet = '';
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my $gateway = ''; # this is only used for ipv6, ipv4 gateway is assigned by dhcp
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my $ipv4nic = 0;
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my $nic_net = '';
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my $net_name = '';
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my @nic_nets_all = (); # array of all networks for this nic
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my @nic_nets4 = (); # array of ipv4 networks for this nic
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my @nic_nets6 = (); # array of ipv6 networks for this nic
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my @nic_ips_all =(); # array of all ip addresses for this nic
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my @nic_ips4 =(); # array of ipv4 addresses for this nic
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my @nic_ips6 =(); # array of ipv6 addresses for this nic
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my @networks = (); # array of all networks from networks table.
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# { network_name, subnet, netmask }
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system("logger -t xcat -p local4.err 'configeth: NIC: $nic'");
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system("logger -t xcat -p local4.err 'configeth: NICNETWORKS: $nicnetworks'");
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system("logger -t xcat -p local4.err 'configeth: NICIPS: $nicips'");
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# create array of network info. Needed in case where there are
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# more than one ip address per nic and shouldn't be many networks.
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my $net_info;
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my $cnt = 1;
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while ( $cnt <= $net_cnt ) {
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$net_info = $ENV{"NETWORKS_LINE$cnt"};
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$net_info =~ /^netname=([^\|]*)\|\|/;
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$net_name = $1;
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$net_info =~ /net=([^\|]*)\|\|/;
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$subnet = $1;
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$net_info =~ /mask=([^\|]*)\|\|/;
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$netmask = $1;
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$net_info =~ /gateway=([^\|]*)\|\|/;
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$gateway = $1;
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push @{ $networks[$cnt-1] }, ($net_name, $subnet, $netmask, $gateway);
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$cnt +=1;
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}
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# get network or networks for this nic from NICNETWORKS:
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# eth0:1_0_0_0-255_255_0_0|network2,eth1:1_1_0_0
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# create array of networks for this nic
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foreach my $nic_networks (split(/,/,$nicnetworks)) {
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my @net = ();
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if ( $nic_networks =~ /!/ ) {
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@net = split(/!/,$nic_networks);
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} else {
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@net = split(/:/,$nic_networks);
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}
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if ($net[0] eq $nic) {
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@nic_nets_all = split(/\|/,$net[1]);
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last;
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}
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}
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# Put all ipv4 nets into nic_nets4,
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# put all ipv6 nets into nic_nets6.
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my $i = 0;
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for ($i=0; $i < (scalar @nic_nets_all) ; $i++ ) {
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# The network name itself does not indicate ipv4 or ipv6
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# should use the subnet to determine.
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# Do not use foreach (@networks), needs to keep the order of nets and ips
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my $net = $nic_nets_all[$i];
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foreach my $netinfo (@networks)
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{
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if ($netinfo->[0] eq $net)
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{
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if ($netinfo->[1] =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)
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{
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push @nic_nets4, $net;
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} elsif ($netinfo->[1] =~ /:/) {
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push @nic_nets6, $net;
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} else {
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system("logger -t xcat -p local4.err 'The subnet $net is not valid.'");
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}
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last;
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}
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}
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}
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# get all nic ipaddress from $nicips: i.e. eth0:1.0.0.1|2.0.0.1,eth1:1.1.1.1
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# Then get all ips for this specific nic, i.e. eth0.
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foreach my $ips (split(/,/,$nicips)) {
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my @ip = ();
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if ( $ips =~ /!/ ) {
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@ip = split(/!/,$ips);
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} else {
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@ip = split(/:/,$ips);
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}
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if ($ip[0] eq $nic ) {
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@nic_ips_all = split(/\|/,$ip[1]);
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}
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}
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# Put all ipv4 addresses in @nic_ips4,
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# put all ipv6 addresses in @nic_ips6.
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# Do not use forach, needs to keep the order of networks and ips
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for ($i=0; $i < (scalar @nic_ips_all) ; $i++ ) {
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my $ip = $nic_ips_all[$i];
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# ipv4 address
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if ($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/) {
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push @nic_ips4, $ip;
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} elsif ($ip =~ /:/) { # ipv6
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push @nic_ips6, $ip;
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} else {
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system("logger -t xcat -p local4.err 'configeth: The ip address $ip is not valid.'");
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}
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}
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for ($i=0; $i < (scalar @nic_ips4) ; $i++ ) {
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# ipv6 configuration needs to know if this nic as ipv4 configured
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$ipv4nic = 1;
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# Time to create the interfaces.
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# loop through the nic networks, find the matching networks to get the
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# subnet and netmask and then create the appropriate ifcfg file for linux
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# or invoke correct AIX command.
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my $specific_nic = $nic;
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if ($i > 0) {
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$specific_nic = $nic . ":" . ($i);
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}
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$cnt = 0;
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$subnet = "";
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$netmask = "";
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$net_name = "";
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while ( $cnt < $net_cnt ) {
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if ( $networks[$cnt][0] eq $nic_nets4[$i] ) {
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$subnet = $networks[$cnt][1];
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$netmask = $networks[$cnt][2];
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$cnt = $net_cnt; # found match - get out.
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}
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else {
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$cnt++;
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}
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}
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# check that there is a subnet and netmask set
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if ( !(length($subnet) > 0) || !(length($netmask) > 0) ) {
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system("logger -t xcat -p local4.err 'configeth: network subnet or netmask not set.'");
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exit 1;
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}
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if ($^O =~ /^aix/i) {
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if ($i == 0) {
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if ($nic_ips4[$i] =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/) {
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runcmd("chdev -l '$nic' -a netaddr=$nic_ips4[$i] -a netmask=$netmask -a state='up'");
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# } else { #ipv6
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# runcmd("autoconf6 -6i en$nic_num");
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}
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} else {
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if ($nic_ips4[$i] =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/) {
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runcmd("chdev -l '$nic' -a alias4=$nic_ips4[$i],$netmask");
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# } else { #ipv6
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# runcmd("autoconf6 -6i en$nic_num");
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}
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}
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}
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elsif (($ENV{OSVER} && ($ENV{OSVER} =~ /sles|suse/i)) || (-f "/etc/SuSE-release")) {
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# Write the info to the ifcfg file
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my $dir = "/etc/sysconfig/network";
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if ($i == 0 ) {
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if (!open(FILE, ">$dir/ifcfg-$nic")) { system("logger -t xcat -p local4.err 'configeth: cannot open $dir/ifcfg-$nic.'"); exit 1; }
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# Not sure what is really REQUIRED from below -- copied the eth file from
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# the system
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print FILE "DEVICE=\'$nic\'\n";
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print FILE "BOOTPROTO=\'static\'\n";
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print FILE "BROADCAST=\'\'\n";
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print FILE "ETHTOOL_OPTIONS=\'\'\n";
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print FILE "IPADDR=\'".$nic_ips4[$i]."\'\n";
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print FILE "MTU=\'\'\n";
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print FILE "NAME=\'\'\n";
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print FILE "NETMASK=\'".$netmask."\'\n";
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print FILE "NETWORK=\'".$subnet."\'\n";
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print FILE "REMOTE_IPADDR=\'\'\n";
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print FILE "STARTMODE=\'onboot\'\n";
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print FILE "UNIQUE=\'\'\n";
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print FILE "USERCONTROL=\'no\'\n";
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print FILE "_nm_name=\'static-0\'\n";
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} else {
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# on suse/sles the ip alias info goes into the same file as the base ip info.
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# open ifconfig-eth file and append additional info.
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if (!open(FILE, ">>$dir/ifcfg-$nic")) { system("logger -t xcat -p local4.err 'configeth: cannot open $dir/ifcfg-$nic for appending ip alias info'"); exit 1; }
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print FILE "IPADDR_$i=\'".$nic_ips4[$i]."\'\n";
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print FILE "NETMASK_$i=\'".$netmask."\'\n";
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print FILE "NETWORK_$i=\'".$subnet."\'\n";
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print FILE "LABEL_$i=\'".$i."\'\n";
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}
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close FILE;
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runcmd("ifup $nic");
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}
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else {
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# Write the info to the ifcfg file for redhat
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my $dir = "/etc/sysconfig/network-scripts";
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if (!open(FILE, ">$dir/ifcfg-$specific_nic")) { system("logger -t xcat -p local4.err 'configeth: cannot open $dir/ifcfg-$specific_nic.'"); exit 1; }
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print FILE "DEVICE=$specific_nic\n";
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print FILE "BOOTPROTO=none\n";
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print FILE "IPADDR=$nic_ips4[$i]\n";
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print FILE "NETMASK=$netmask\n";
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#if (defined($gateway)) { print FILE "GATEWAY=$gateway\n"; }
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print FILE "ONBOOT=yes\n";
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close FILE;
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runcmd("$dir/ifup $specific_nic");
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}
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# system("logger -t xcat -p local4.info 'configeth: successfully configured $specific_nic.'");
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}
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# ipv6 configuration
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# ipv6 address does not use the nic alias like eth0:1,
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# should use the main nic like eth0
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my $configured = 0;
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for ($i=0; $i < (scalar @nic_ips6) ; $i++ )
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{
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# Get the network information: netname, subnet, netmask
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my $found = 0;
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my $subnet;
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my $prefixlen;
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my $ipv6gateway;
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my $ip6addr = $nic_ips6[$i];
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my $net = $nic_nets6[$i];
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foreach my $netinfo (@networks)
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{
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if ($netinfo->[0] eq $net)
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{
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$found = 1;
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$subnet = $netinfo->[1];
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$prefixlen = $netinfo->[2];
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$ipv6gateway = $netinfo->[3];
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}
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# Remove the postfix like /64 from subnet
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if ($subnet && ($subnet =~ /\//)) {
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$subnet =~ s/\/.*$//;
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}
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# Remove the "/" from prefixlen
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if ($prefixlen && ($prefixlen =~ /^\//))
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{
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$prefixlen =~ s/^\///;
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}
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}
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if ($found == 0)
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{
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system("logger -t xcat -p local4.err 'configeth: Could not find network entry for ip address $ip6addr'");
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next;
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}
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if ($^O =~ /^aix/i) {
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if (!$configured)
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{
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runcmd("chdev -l en0 -a netaddr6=$ip6addr -a prefixlen=$prefixlen -a state=up");
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$configured = 1;
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} else {
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runcmd("chdev -l en0 -a alias6=$ip6addr/$prefixlen");
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}
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} elsif (($ENV{OSVER} && ($ENV{OSVER} =~ /sles|suse/i)) || (-f "/etc/SuSE-release")) {
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my $dir = "/etc/sysconfig/network";
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# If there are only ipv6 addresses on this nic,
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# needs to flush the ifcfg-$nic file when configuring the first ipv6 addr,
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# to avoid duplicate entries when run confignics/configeth multiple times.
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if (!$ipv4nic && !$configured)
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{
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if (!open(FILE, ">$dir/ifcfg-$nic")) {
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system("logger -t xcat -p local4.err 'configeth: cannot open $dir/ifcfg-$nic.'");
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exit 1;
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}
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print FILE "DEVICE=$nic\n";
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print FILE "BOOTPROTO=static\n";
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print FILE "STARTMODE=onboot\n";
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} else {
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if (!open(FILE, ">>$dir/ifcfg-$nic")) {
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system("logger -t xcat -p local4.err 'configeth: cannot open $dir/ifcfg-$nic.'");
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exit 1;
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}
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}
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# Use the label=ipv6$i in ifcfg-ethx file, like ipv60, ipv61
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print FILE "LABEL_ipv6$i=ipv6$i\n";
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print FILE "IPADDR_ipv6$i=$ip6addr\n";
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print FILE "PREFIXLEN_ipv6$i=$prefixlen\n";
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close FILE;
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if ($ipv6gateway && $ipv6gateway !~ /xcatmaster/) {
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# Do not add duplicate entries
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`grep -E "default\\s+$ipv6gateway\\s+" /etc/sysconfig/network/routes 2>&1 1>/dev/null`;
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if ($? != 0) {
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`echo "default $ipv6gateway - -" >> /etc/sysconfig/network/routes`;
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}
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}
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runcmd("ifup $nic");
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} else {
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# Ubuntu TODO
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my $dir = "/etc/sysconfig/network-scripts";
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# If there are only ipv6 addresses on this nic,
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# needs to flush the ifcfg-$nic file when configuring the first ipv6 addr,
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# to avoid duplicate entries when run confignics/configeth multiple times.
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if (!$ipv4nic && !$configured)
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{
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if (!open(FILE, ">$dir/ifcfg-$nic")) {
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system("logger -t xcat -p local4.err 'configeth: cannot open $dir/ifcfg-$nic.'");
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exit 1;
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}
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print FILE "DEVICE=$nic\n";
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print FILE "BOOTPROTO=static\n";
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print FILE "ONBOOT=yes\n";
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} else {
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if (!open(FILE, ">>$dir/ifcfg-$nic")) {
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system("logger -t xcat -p local4.err 'configeth: cannot open $dir/ifcfg-$nic.'");
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exit 1;
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}
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}
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if (!$configured) {
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print FILE "IPV6INIT=yes\n";
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print FILE "IPV6ADDR=$ip6addr/$prefixlen\n";
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$configured = 1;
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} else {
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print FILE "IPV6ADDR_SECONDARIES=$ip6addr/$prefixlen\n";
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}
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if ($ipv6gateway && $ipv6gateway !~ /xcatmaster/) {
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print FILE "IPV6_DEFAULTGW=$ipv6gateway\n";
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}
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close FILE;
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runcmd("$dir/ifup-ipv6 $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 -p local4.err 'configeth: command $cmd failed with rc $rc: " . join('',@output) . "'");
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my $errout= "configeth: command $cmd failed with rc $rc.";
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`echo $errout`;
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exit $rc;
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}
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}
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