351 lines
10 KiB
Perl
351 lines
10 KiB
Perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT_plugin::configfpc;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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}
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use strict;
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use lib "$::XCATROOT/lib/perl";
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use xCAT::Utils;
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use xCAT::MsgUtils;
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use xCAT::SvrUtils;
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use Sys::Hostname;
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use xCAT::Table;
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use xCAT::TableUtils;
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use xCAT::NetworkUtils;
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use Data::Dumper;
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use xCAT::MacMap;
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use Socket;
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##########################################################################
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## Command handler method from tables
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###########################################################################
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sub handled_commands {
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return {
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configfpc => "configfpc",
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};
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}
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sub process_request {
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my $request = shift;
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my $callback = shift;
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my $subreq = shift;
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$::CALLBACK = $callback;
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my $command = $request->{command}->[0];
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my $localhostname = hostname();
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if ($command eq "configfpc")
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{
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my $rc;
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$rc = configfpc($request, $callback, $subreq);
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}
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else
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{
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my %rsp;
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push@{ $rsp{data} }, "$localhostname: Unsupported command: $command";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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return 1;
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}
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return 0;
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}
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#
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# Main process subroutine
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#
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###########################################################################
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# This routine will look for NeXtWcale Fan Power Controllers (FPC) that have
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# a default IP address of 192.169.0.100
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#
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# For each FPC found the code will
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# 1 - ping the default IP address to get the default IP and MAC in the arp table
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# 2 - use arp to get the MAC address
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# 3 - lookup the MAC address
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# ------ check for the MAC on the switch adn save the port number
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# ------ lookup the node with that switch port number
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# 4 - get the IP address for the node name found
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# 5 - determine the assocaited netmask and gateway for this node IP
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# 6 - use rspconfig (IPMI) to set the netmask, gateway, and IP address
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# 7 - check to make sure that the new FPC IP address is responding
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# 8 - remove the default FPC IP from the arp table
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# 9 - use ping to determine if there is another default FPC IP and if so start this process again
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###########################################################################
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sub configfpc {
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my $request = shift;
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my $callback = shift;
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my $subreq = shift;
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# Use default userid and passwd
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my $ipmiuser = 'USERID';
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my $ipmipass = 'PASSW0RD';
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my $fpcip = '192.168.0.100';
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my $defnode = "deffpc";
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# This is the default FPC IP that we are looking for
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my $foundfpc = 0;
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#
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# check for an FPC - this ping will also add the FPC IP and MAC to the ARP table
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#
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my $res = `LANG=C ping -c 1 -w 5 $fpcip`;
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#my $res = system("LANG=C ping -c 1 -w 5 $fpcip 2>&1");
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if ( $res =~ /100% packet loss/g) {
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# xCAT::MsgUtils->message ("I", "There are no default $fpcip FPC IP addresses to process");
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$foundfpc = 0;
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exit; # EXIT if we find no more default IP addresses on the network
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}
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else {
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# xCAT::MsgUtils->message ("I", "Found $fpcip FPC IP addresses to process");
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$foundfpc = 1;
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}
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#
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# make the FPC node definition - this is removed at the end of processing the FPCs
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# this default FPC node definition is used by rspconfig to change the netmask, default route, and IP address of the default FPC
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#
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# Object name: deffpc
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# bmc=deffpc
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# bmcpassword=PASSW0RD
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# bmcusername=USERID
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# cons=ipmi
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# groups=deffpc
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# mgt=ipmi
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# mpa=deffpc
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#
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my $out = xCAT::Utils->runxcmd(
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{
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command => ["mkdef"],
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arg => [ "-t","node","-o",$defnode,"bmc=deffpc","bmcpassword=Passw0rd","bmcusername=USERID","cons=ipmi","groups=deffpc","mgt=ipmi","mpa=deffpc" ]
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},
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$subreq, 0,1);
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#
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# Main loop - check to see if we found an FPC and continue to set the FPC infomration and look for the next one
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#
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while ($foundfpc){
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# Process the default FPC IP to find the node associated with this FPC MAC
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my ($node,$fpcmac) = &get_node($callback);
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# Found the Node and MAC associated with this MAC - continue to setup this FPC
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if ($node) {
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# get the network settings for this node
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my ($netmask,$gateway,$newfpcip) = &get_network_parms($node,$callback);
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# Change the FPC network netmask, gateway, and ip
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&set_FPC_network_parms($defnode,$netmask,$gateway,$newfpcip,$callback,$subreq);
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# sleep for 4 seconds to allow rspconfig to change the IP value before validating with ping
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sleep 5;
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#
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# Validate that new IP is working - Use ping to check if the new IP has been set
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#
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$res = `LANG=C ping -c 1 -w 5 $newfpcip`;
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#$res = system("LANG=C ping -c 1 -w 5 $fpcip 2>&1");
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if ( $res =~ /100% packet loss/g) {
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my %rsp;
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push@{ $rsp{data} }, "The new ip $newfpcip was not accessible";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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#xCAT::MsgUtils->message("I","The new ip $newfpcip was not accessible");
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} else {
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my %rsp;
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push@{ $rsp{data} }, "Changed the IP address for the FPC with $fpcmac MAC to $newfpcip IP for node $node";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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#xCAT::MsgUtils->message("I","Changed the IP address for the FPC with $fpcmac MAC to $newfpcip IP for node $node");
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}
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# The Node associated with this MAC was not found - print an infomrational message and continue
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} else {
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my %rsp;
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push@{ $rsp{data} }, "No FPC node found that is associated with MAC address $fpcmac\nCheck to see if the switch and switch table conta ins the information needed to locate this FPC MAC";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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# xCAT::MsgUtils->message("I","No FPC node found that is associated with MAC address $fpcmac\nCheck to see if the switch and switch table contains the information needed to locate this FPC MAC");
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}
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#
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# Delete this FPC default IP Arp entry to get ready to look for another defautl FPC
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#
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my $arpout = `arp -d $fpcip`;
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# check for another FPC
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$res = `LANG=C ping -c 1 -w 5 $fpcip 2>&1`;
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if ( $res =~ /100% packet loss/g) {
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my %rsp;
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push@{ $rsp{data} }, "There are no more default $fpcip FPC IP addresses to process";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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#xCAT::MsgUtils->message("I","There are no more default $fpcip FPC IP addresses to process");
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$foundfpc = 0;
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}
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else {
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$foundfpc = 1;
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}
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}
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#
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# Cleanup on the way out - Remove the deffpc node definition
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#
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$out=xCAT::Utils->runxcmd(
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{
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command => ['rmdef'],
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arg => [ "deffpc"]
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},
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$subreq, 0,1);
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return 1;
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}
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#
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# The get_network_parms subroutine
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# takes the node name and gets the IP address for this node
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# and collects the netmask and gateway and returns netmask, gateway, and IP address
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#
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sub get_network_parms {
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my $node = shift;
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my $callback = shift;
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# Get the new ip address for this FPC
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my $newfpc = `getent hosts $node`;
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my ($newfpcip, $junk) = split(/\s/,$newfpc);
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# collect gateway and netmask
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my $ip = $newfpcip;
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my $gateway;
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my $netmask;
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if (inet_aton($ip)) {
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$ip = inet_ntoa(inet_aton($ip));
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} else {
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my %rsp;
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push@{ $rsp{data} }, "Unable to resolve $ip";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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#xCAT::MsgUtils->message("S","Unable to resolve $ip");
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return undef;
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}
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my $nettab = xCAT::Table->new('networks');
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unless ($nettab) { return undef };
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my @nets = $nettab->getAllAttribs('net','mask','gateway');
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foreach (@nets) {
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my $net = $_->{'net'};
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my $mask =$_->{'mask'};
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my $gw = $_->{'gateway'};
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$ip =~ /([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)/;
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my $ipnum = ($1<<24)+($2<<16)+($3<<8)+$4;
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$mask =~ /([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)/;
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my $masknum = ($1<<24)+($2<<16)+($3<<8)+$4;
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$net =~ /([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)/ or next; #next if ipv6, TODO: IPv6 support
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my $netnum = ($1<<24)+($2<<16)+($3<<8)+$4;
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if ($gw eq '<xcatmaster>') {
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$gw=xCAT::NetworkUtils->my_ip_facing($ip);
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}
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if (($ipnum & $masknum)==$netnum) {
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$netmask = $mask;
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$gateway = $gw;
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}
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}
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return ($netmask,$gateway,$newfpcip);
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}
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#
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# The set_FPC_network_parms subroutine
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# uses rspconfig to set the netmask, gateway, and new ip address for this FPC
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#
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sub set_FPC_network_parms {
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my $defnode = shift;
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my $netmask = shift;
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my $gateway = shift;
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my $newfpcip = shift;
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my $callback = shift;
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my $request = shift;
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my $error;
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# Proceed with changing the FPC network parameters.
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# Set FPC Netmask
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my $netmaskout = xCAT::Utils->runxcmd(
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{
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command => ["rspconfig"],
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node => [$defnode],
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arg => [ "netmask=$netmask" ]
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},
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$request, 0,1);
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if ($::RUNCMD_RC != 0) {
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my %rsp;
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push@{ $rsp{data} }, "Could not change nemask $netmask on default FPC";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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$error++;
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}
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# Set FPC gateway
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my $gatewayout = xCAT::Utils->runxcmd(
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{
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command => ["rspconfig"],
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node => [$defnode],
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arg => [ "gateway=$gateway" ]
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},
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$request, 0,1);
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if ($::RUNCMD_RC != 0) {
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my %rsp;
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push@{ $rsp{data} }, "Could not change gateway $gateway on default FPC";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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$error++;
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}
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# Set FPC Ip address
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my $ipout = xCAT::Utils->runxcmd(
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{
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command => ["rspconfig"],
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node => [$defnode],
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arg => [ "ip=$newfpcip" ]
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},
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$request, 0,1);
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if ($::RUNCMD_RC != 0) {
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my %rsp;
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push@{ $rsp{data} }, "Could not change ip address $newfpcip on default FPC";
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xCAT::MsgUtils->message( "S", \%rsp, $callback );
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$error++;
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}
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return 1;
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}
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#
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# This subroutine
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# 1) gets the MAC from the arp table
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# 2) uses Macmap to find the node associated with this MAC
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# 3) returns the node and MAC
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sub get_node {
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my $callback = shift;
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my $fpcip = '192.168.0.100';
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# get the FPC from the arp table
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my $arpout = `arp -a | grep $fpcip`;
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# format of arp command is: feihu-fpc (10.1.147.170) at 6c:ae:8b:08:20:35 [ether] on eth0
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# extract the MAC address
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my ($junk1, $junk2, $junk3, $fpcmac, $junk4, $junk5, $junk6) = split(" ", $arpout);
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# Print a message that this MAC has been found
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my %rsp;
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push@{ $rsp{data} }, "Found FPC with default IP $fpcip and MAC $fpcmac";
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xCAT::MsgUtils->message( "I", \%rsp, $callback );
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# Usee find_mac to 1) look for which switch port contains this MAC address
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# and 2) look in the xcat DB to find the node associated with the switch port this MAC was found in
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my $macmap = xCAT::MacMap->new();
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my $node = '';
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$node = $macmap->find_mac($fpcmac,0);
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return ($node,$fpcmac);
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}
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1;
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