67 lines
2.5 KiB
Plaintext
67 lines
2.5 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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# confignics postscript for configuring additional ethernet and ib NIC adapters.
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# This module parses NIC environment variables containing data from the nics table
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# for the specific node i.e.:
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# NICNODE - the node name
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# NICIPS - comma separated list of ips per NIC
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# NICHOSTNAMESUFFIXES - comma spearated list of hostname suffixes per NIC
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# NICTYPES - ethernet or infiniband
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# NICCUSTOMSCRIPTS - script to configure nic, i.e. configeth or configib
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# NICNETWORKS - network and subnetmask for the adapter.
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use strict;
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use Socket;
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my $nicips = $ENV{NICIPS};
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my $niccustomscripts = $ENV{NICCUSTOMSCRIPTS};
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my $nictypes = $ENV{NICTYPES};
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my $xcatpostdir = "/xcatpost";
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system("logger -t xcat -p local4.info 'confignics: CUSTOMSCRIPTS: $niccustomscripts .'");
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# niccustomscripts specifies which NICS need to be configured.
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# and which script to use to configure it.
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# Strip NIC and customscript and then call the custom script with the NIC
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# it is up to the custom script to verify information passed in NIC env vars.
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# i.e. if customscript is "eth1:configeth eth1, eth2:configeth2"
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# then first get eth1 for the nic and "configeth eth1" for the command to run"
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# the do the same for eth2.
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# the NIC environment variables will still be set for the customscript to use.
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if ( defined $niccustomscripts && length $niccustomscripts > 0 ) {
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foreach my $customscript (split(/,/,$niccustomscripts)) {
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my @script = split(/:/,$customscript);
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runcmd("$xcatpostdir/@script[1]");
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system("logger -t xcat -p local4.info 'confignics: executed custom script: @script[1] '");
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}
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}
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else {
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# determine nic from nictypes and get the nictype. Invoke configeth or configiba based on nictype.
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# i.e. $nictypes = "eth1:ethernet,eth2:ethernet"
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foreach my $nic_type (split(/,/,$nictypes)) {
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my @nic_and_type = split(/:/,$nic_type);
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if ("ETHERNET" eq uc(@nic_and_type[1])) {
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runcmd("$xcatpostdir/configeth @nic_and_type[0]");
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system("logger -t xcat -p local4.info 'confignics: executed script: configeth @nic_and_type[0] '");
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}
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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 'confignics: command $cmd failed with rc $rc: " . join('',@output) . "'");
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my $errout= "confignics: 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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