-Have xnba move to a plugin to revert pxe to 2.2
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4231 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
parent
78aa50e52d
commit
39d7f66dd1
534
xCAT-server/lib/xcat/plugins/xnba.pm
Normal file
534
xCAT-server/lib/xcat/plugins/xnba.pm
Normal file
@ -0,0 +1,534 @@
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT_plugin::pxe;
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use Sys::Syslog;
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use Socket;
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use File::Copy;
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use File::Path;
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use Getopt::Long;
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my $addkcmdlinehandled;
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my $request;
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my $callback;
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my $dhcpconf = "/etc/dhcpd.conf";
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my $tftpdir = "/tftpboot";
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#my $dhcpver = 3;
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my %usage = (
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"nodeset" => "Usage: nodeset <noderange> [install|shell|boot|runcmd=bmcsetup|netboot|iscsiboot|osimage=<imagename>]",
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);
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sub handled_commands {
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return {
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nodeset => "noderes:netboot"
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}
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}
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sub check_dhcp {
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return 1;
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#TODO: omapi magic to do things right
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my $node = shift;
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my $dhcpfile;
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open ($dhcpfile,$dhcpconf);
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while (<$dhcpfile>) {
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if (/host $node\b/) {
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close $dhcpfile;
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return 1;
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}
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}
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close $dhcpfile;
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return 0;
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}
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sub getstate {
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my $node = shift;
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if (check_dhcp($node)) {
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if (-r $tftpdir . "/xcat/xnba/nodes/".$node) {
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my $fhand;
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open ($fhand,$tftpdir . "/xcat/xnba/nodes/".$node);
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my $headline = <$fhand>;
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$headline = <$fhand>; #second line is the comment now...
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close $fhand;
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$headline =~ s/^#//;
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chomp($headline);
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return $headline;
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} elsif (-r $tftpdir . "/pxelinux.cfg/".$node) {
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my $fhand;
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open ($fhand,$tftpdir . "/pxelinux.cfg/".$node);
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my $headline = <$fhand>;
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close $fhand;
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$headline =~ s/^#//;
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chomp($headline);
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return $headline;
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} else {
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return "boot";
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}
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} else {
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return "discover";
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}
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}
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sub setstate {
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=pod
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This function will manipulate the pxelinux.cfg structure to match what the noderes/chain tables indicate the node should be booting.
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=cut
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my $node = shift;
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my %bphash = %{shift()};
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my %chainhash = %{shift()};
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my %machash = %{shift()};
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my $kern = $bphash{$node}->[0]; #$bptab->getNodeAttribs($node,['kernel','initrd','kcmdline']);
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unless ($addkcmdlinehandled->{$node}) { #Tag to let us know the plugin had a special syntax implemented for addkcmdline
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if ($kern->{addkcmdline}) { #Implement the kcmdline append here for
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#most generic, least code duplication
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$kern->{kcmdline} .= " ".$kern->{addkcmdline};
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}
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}
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if ($kern->{kcmdline} =~ /!myipfn!/) {
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my $ipfn = '${next-server}';#xCAT::Utils->my_ip_facing($node);
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unless ($ipfn) {
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my @myself = xCAT::Utils->determinehostname();
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my $myname = $myself[(scalar @myself)-1];
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$callback->(
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{
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error => [
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"$myname: Unable to determine or reasonably guess the image server for $node"
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],
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errorcode => [1]
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}
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);
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}
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$kern->{kcmdline} =~ s/!myipfn!/$ipfn/g;
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}
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my $pcfg;
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unlink($tftpdir."/xcat/xnba/nodes/".$node.".pxelinux");
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open($pcfg,'>',$tftpdir."/xcat/xnba/nodes/".$node);
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my $cref=$chainhash{$node}->[0]; #$chaintab->getNodeAttribs($node,['currstate']);
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print $pcfg "#!gpxe\n";
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if ($cref->{currstate}) {
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print $pcfg "#".$cref->{currstate}."\n";
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}
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if ($cref and $cref->{currstate} eq "boot") {
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print $pcfg "exit\n";
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close($pcfg);
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} elsif ($kern and $kern->{kernel}) {
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if ($kern->{kernel} =~ /!/) { #TODO: deprecate this, do stateless Xen like stateless ESXi
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my $hypervisor;
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my $kernel;
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($kernel,$hypervisor) = split /!/,$kern->{kernel};
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print $pcfg " set 209:string xcat/xnba/nodes/$node.pxelinux\n";
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print $pcfg " set 210:string http://".'${next-server}'."/tftpboot/\n";
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print $pcfg " imgfetch -n pxelinux.0 http://".'${next-server}'."/tftpboot/xcat/pxelinux.0\n";
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print $pcfg " imgload pxelinux.0\n";
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print $pcfg " imgexec pxelinux.0\n";
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close($pcfg);
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open($pcfg,'>',$tftpdir."/xcat/xnba/nodes/".$node.".pxelinux");
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print $pcfg "DEFAULT xCAT\nLABEL xCAT\n KERNEL mboot.c32\n";
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print $pcfg " APPEND $hypervisor --- $kernel ".$kern->{kcmdline}." --- ".$kern->{initrd}."\n";
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} else {
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if ($kern->{kernel} =~ /\.c32\z/ or $kern->{kernel} =~ /memdisk\z/) { #gPXE comboot support seems insufficient, chain pxelinux instead
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print $pcfg " set 209:string xcat/xnba/nodes/$node.pxelinux\n";
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print $pcfg " set 210:string http://".'${next-server}'."/tftpboot/\n";
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print $pcfg " imgfetch -n pxelinux.0 http://".'${next-server}'."/tftpboot/xcat/pxelinux.0\n";
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print $pcfg " imgload pxelinux.0\n";
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print $pcfg " imgexec pxelinux.0\n";
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close($pcfg);
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open($pcfg,'>',$tftpdir."/xcat/xnba/nodes/".$node.".pxelinux");
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#It's time to set pxelinux for this node to boot the kernel..
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print $pcfg "DEFAULT xCAT\nLABEL xCAT\n";
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print $pcfg " KERNEL ".$kern->{kernel}."\n";
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if ($kern->{initrd} or $kern->{kcmdline}) {
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print $pcfg " APPEND ";
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}
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if ($kern and $kern->{initrd}) {
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print $pcfg "initrd=".$kern->{initrd}." ";
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}
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if ($kern and $kern->{kcmdline}) {
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print $pcfg $kern->{kcmdline}."\n";
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} else {
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print $pcfg "\n";
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}
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} else { #other than comboot/multiboot, we won't have need of pxelinux
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print $pcfg "imgfetch -n kernel http://".'${next-server}/tftpboot/'.$kern->{kernel}."\n";
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print $pcfg "imgload kernel\n";
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if ($kern->{kcmdline}) {
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print $pcfg "imgargs kernel ".$kern->{kcmdline}."\n";
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}
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if ($kern->{initrd}) {
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print $pcfg "imgfetch http://".'${next-server}'."/tftpboot/".$kern->{initrd}."\n";
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}
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print $pcfg "imgexec kernel\n";
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}
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}
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close($pcfg);
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my $inetn = inet_aton($node);
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unless ($inetn) {
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syslog("local1|err","xCAT unable to resolve IP for $node in pxe plugin");
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return;
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}
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} else { #TODO: actually, should possibly default to xCAT image?
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print $pcfg "LOCALBOOT 0\n";
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close($pcfg);
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}
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my $mactab = xCAT::Table->new('mac'); #to get all the hostnames
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my %ipaddrs;
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unless (inet_aton($node)) {
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syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
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return;
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}
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my $ip = inet_ntoa(inet_aton($node));;
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unless ($ip) {
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syslog("local1|err","xCAT unable to resolve IP in pxe plugin");
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return;
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}
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$ipaddrs{$ip} = 1;
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if ($mactab) {
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my $ment = $machash{$node}->[0]; #$mactab->getNodeAttribs($node,['mac']);
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if ($ment and $ment->{mac}) {
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my @macs = split(/\|/,$ment->{mac});
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foreach (@macs) {
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if (/!(.*)/) {
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if (inet_aton($1)) {
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$ipaddrs{inet_ntoa(inet_aton($1))} = 1;
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}
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}
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}
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}
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}
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my $hassymlink = eval { symlink("",""); 1 };
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foreach $ip (keys %ipaddrs) {
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my @ipa=split(/\./,$ip);
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my $pname = sprintf("%02X%02X%02X%02X",@ipa);
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unlink($tftpdir."/pxelinux.cfg/".$pname);
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if ($hassymlink) {
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symlink($node,$tftpdir."/pxelinux.cfg/".$pname);
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} else {
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link($tftpdir."/pxelinux.cfg/".$node,$tftpdir."/pxelinux.cfg/".$pname);
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}
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}
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}
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my $errored = 0;
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sub pass_along {
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my $resp = shift;
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if ($resp and ($resp->{errorcode} and $resp->{errorcode}->[0]) or ($resp->{error} and $resp->{error}->[0])) {
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$errored=1;
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}
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foreach (@{$resp->{node}}) {
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if ($_->{error} or $_->{errorcode}) {
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$errored=1;
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}
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if ($_->{_addkcmdlinehandled}) {
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$addkcmdlinehandled->{$_->{name}->[0]}=1;
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return; #Don't send back to client this internal hint
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}
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}
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$callback->($resp);
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}
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sub preprocess_request {
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my $req = shift;
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if ($req->{_xcatpreprocessed}->[0] == 1) { return [$req]; }
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my $callback1 = shift;
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my $command = $req->{command}->[0];
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my $sub_req = shift;
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my @args=();
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if (ref($req->{arg})) {
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@args=@{$req->{arg}};
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} else {
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@args=($req->{arg});
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}
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@ARGV = @args;
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#use Getopt::Long;
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Getopt::Long::Configure("bundling");
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Getopt::Long::Configure("pass_through");
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if (!GetOptions('h|?|help' => \$HELP, 'v|version' => \$VERSION) ) {
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if($usage{$command}) {
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my %rsp;
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$rsp{data}->[0]=$usage{$command};
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$callback1->(\%rsp);
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}
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return;
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}
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if ($HELP) {
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if($usage{$command}) {
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my %rsp;
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$rsp{data}->[0]=$usage{$command};
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$callback1->(\%rsp);
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}
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return;
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}
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if ($VERSION) {
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my $ver = xCAT::Utils->Version();
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my %rsp;
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$rsp{data}->[0]="$ver";
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$callback1->(\%rsp);
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return;
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}
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if (@ARGV==0) {
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if($usage{$command}) {
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my %rsp;
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$rsp{data}->[0]=$usage{$command};
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$callback1->(\%rsp);
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}
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return;
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}
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#Assume shared tftp directory for boring people, but for cool people, help sync up tftpdirectory contents when
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#they specify no sharedtftp in site table
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my $stab = xCAT::Table->new('site');
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my $sent = $stab->getAttribs({key=>'sharedtftp'},'value');
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if ($sent and ($sent->{value} == 0 or $sent->{value} =~ /no/i)) {
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$req->{'_disparatetftp'}=[1];
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if ($req->{inittime}->[0]) {
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return [$req];
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}
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return xCAT::Scope->get_broadcast_scope($req,@_);
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}
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return [$req];
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}
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#sub preprocess_request {
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# my $req = shift;
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# $callback = shift;
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# if ($req->{_xcatpreprocessed}->[0] == 1) { return [$req]; }
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# my @requests = ({%$req}); #Start with a straight copy to reflect local instance
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# my $sitetab = xCAT::Table->new('site');
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# (my $ent) = $sitetab->getAttribs({key=>'xcatservers'},'value');
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# $sitetab->close;
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# if ($ent and $ent->{value}) {
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# foreach (split /,/,$ent->{value}) {
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# if (xCAT::Utils->thishostisnot($_)) {
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# my $reqcopy = {%$req};
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# $reqcopy->{'_xcatdest'} = $_;
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# $reqcopy->{_xcatpreprocessed}->[0] = 1;
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# push @requests,$reqcopy;
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# }
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# }
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# }
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# return \@requests;
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#}
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#sub preprocess_request {
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# my $req = shift;
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# my $callback = shift;
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# my %localnodehash;
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# my %dispatchhash;
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# my $nrtab = xCAT::Table->new('noderes');
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# foreach my $node (@{$req->{node}}) {
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# my $nodeserver;
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# my $tent = $nrtab->getNodeAttribs($node,['tftpserver']);
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# if ($tent) { $nodeserver = $tent->{tftpserver} }
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# unless ($tent and $tent->{tftpserver}) {
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# $tent = $nrtab->getNodeAttribs($node,['servicenode']);
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# if ($tent) { $nodeserver = $tent->{servicenode} }
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# }
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# if ($nodeserver) {
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# $dispatchhash{$nodeserver}->{$node} = 1;
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# } else {
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# $localnodehash{$node} = 1;
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# }
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# }
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# my @requests;
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# my $reqc = {%$req};
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# $reqc->{node} = [ keys %localnodehash ];
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# if (scalar(@{$reqc->{node}})) { push @requests,$reqc }
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#
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# foreach my $dtarg (keys %dispatchhash) { #iterate dispatch targets
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# my $reqcopy = {%$req}; #deep copy
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# $reqcopy->{'_xcatdest'} = $dtarg;
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# $reqcopy->{node} = [ keys %{$dispatchhash{$dtarg}}];
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# push @requests,$reqcopy;
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# }
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# return \@requests;
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#}
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sub process_request {
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$request = shift;
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$callback = shift;
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my $sub_req = shift;
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my @args;
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my @nodes;
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my @rnodes;
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if (ref($request->{node})) {
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@rnodes = @{$request->{node}};
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} else {
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if ($request->{node}) { @rnodes = ($request->{node}); }
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}
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unless (@rnodes) {
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if ($usage{$request->{command}->[0]}) {
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$callback->({data=>$usage{$request->{command}->[0]}});
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}
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return;
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}
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#if not shared, then help sync up
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if ($request->{'_disparatetftp'}->[0]) { #reading hint from preprocess_command
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@nodes = ();
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foreach (@rnodes) {
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if (xCAT::Utils->nodeonmynet($_)) {
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push @nodes,$_;
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}
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}
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} else {
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@nodes = @rnodes;
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}
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if (ref($request->{arg})) {
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@args=@{$request->{arg}};
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} else {
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@args=($request->{arg});
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}
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#now run the begin part of the prescripts
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unless ($args[0] eq 'stat') { # or $args[0] eq 'enact') {
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$errored=0;
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if ($request->{'_disparatetftp'}->[0]) { #the call is distrubuted to the service node already, so only need to handles my own children
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$sub_req->({command=>['runbeginpre'],
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node=>\@nodes,
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arg=>[$args[0], '-l']},\&pass_along);
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} else { #nodeset did not distribute to the service node, here we need to let runednpre to distribute the nodes to their masters
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$sub_req->({command=>['runbeginpre'],
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node=>\@rnodes,
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arg=>[$args[0]]},\&pass_along);
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}
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if ($errored) { return; }
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}
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#back to normal business
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if (! -r "$tftpdir/xcat/pxelinux.0") {
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unless (-r $::XCATROOT."/share/xcat/netboot/syslinux/pxelinux.0") {
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$callback->({error=>["Unable to find pxelinux.0 at ".$::XCATROOT."/share/xcat/netboot/syslinux/pxelinux.0"],errorcode=>[1]});
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return;
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}
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copy($::XCATROOT."/share/xcat/netboot/syslinux/pxelinux.0","$tftpdir/xcat/pxelinux.0");
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chmod(0644,"$tftpdir/pxelinux.0");
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}
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unless ( -r "$tftpdir/xcat/pxelinux.0" ) {
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$callback->({errror=>["Unable to find pxelinux.0 from syslinux"],errorcode=>[1]});
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return;
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}
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my $inittime=0;
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if (exists($request->{inittime})) { $inittime= $request->{inittime}->[0];}
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if (!$inittime) { $inittime=0;}
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$errored=0;
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unless ($args[0] eq 'stat') { # or $args[0] eq 'enact') {
|
||||
$sub_req->({command=>['setdestiny'],
|
||||
node=>\@nodes,
|
||||
inittime=>[$inittime],
|
||||
arg=>[$args[0]]},\&pass_along);
|
||||
}
|
||||
if ($errored) { return; }
|
||||
#Time to actually configure the nodes, first extract database data with the scalable calls
|
||||
my $bptab = xCAT::Table->new('bootparams',-create=>1);
|
||||
my $chaintab = xCAT::Table->new('chain');
|
||||
my $mactab = xCAT::Table->new('mac'); #to get all the hostnames
|
||||
my %bphash = %{$bptab->getNodesAttribs(\@nodes,[qw(kernel initrd kcmdline addkcmdline)])};
|
||||
my %chainhash = %{$chaintab->getNodesAttribs(\@nodes,[qw(currstate)])};
|
||||
my %machash = %{$mactab->getNodesAttribs(\@nodes,[qw(mac)])};
|
||||
mkpath($tftpdir."/xcat/xnba/nodes/");
|
||||
foreach (@nodes) {
|
||||
my %response;
|
||||
$response{node}->[0]->{name}->[0]=$_;
|
||||
if ($args[0] eq 'stat') {
|
||||
$response{node}->[0]->{data}->[0]= getstate($_);
|
||||
$callback->(\%response);
|
||||
} elsif ($args[0]) { #If anything else, send it on to the destiny plugin, then setstate
|
||||
($rc,$errstr) = setstate($_,\%bphash,\%chainhash,\%machash);
|
||||
if ($rc) {
|
||||
$response{node}->[0]->{errorcode}->[0]= $rc;
|
||||
$response{node}->[0]->{errorc}->[0]= $errstr;
|
||||
$callback->(\%response);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#dhcp stuff -- inittime is set when xcatd on sn is started
|
||||
unless (($args[0] eq 'stat') || ($inittime)) {
|
||||
my $do_dhcpsetup=1;
|
||||
my $sitetab = xCAT::Table->new('site');
|
||||
if ($sitetab) {
|
||||
(my $ref) = $sitetab->getAttribs({key => 'dhcpsetup'}, 'value');
|
||||
if ($ref) {
|
||||
if ($ref->{value} =~ /0|n|N/) { $do_dhcpsetup=0; }
|
||||
}
|
||||
}
|
||||
|
||||
if ($do_dhcpsetup) {
|
||||
if ($request->{'_disparatetftp'}->[0]) { #reading hint from preprocess_command
|
||||
$sub_req->({command=>['makedhcp'],arg=>['-l'],
|
||||
node=>\@nodes},$callback);
|
||||
} else {
|
||||
$sub_req->({command=>['makedhcp'],
|
||||
node=>\@nodes},$callback);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#now run the end part of the prescripts
|
||||
unless ($args[0] eq 'stat') { # or $args[0] eq 'enact')
|
||||
$errored=0;
|
||||
if ($request->{'_disparatetftp'}->[0]) { #the call is distrubuted to the service node already, so only need to handles my own children
|
||||
$sub_req->({command=>['runendpre'],
|
||||
node=>\@nodes,
|
||||
arg=>[$args[0], '-l']},\&pass_along);
|
||||
} else { #nodeset did not distribute to the service node, here we need to let runednpre to distribute the nodes to their masters
|
||||
$sub_req->({command=>['runendpre'],
|
||||
node=>\@rnodes,
|
||||
arg=>[$args[0]]},\&pass_along);
|
||||
}
|
||||
if ($errored) { return; }
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
=head3 getNodesetStates
|
||||
returns the nodeset state for the given nodes. The possible nodeset
|
||||
states are: netboot, install, boot and discover.
|
||||
Arguments:
|
||||
nodes --- a pointer to an array of nodes
|
||||
states -- a pointer to a hash table. This hash will be filled by this
|
||||
function. The key is the nodeset status and the value is a pointer
|
||||
to an array of nodes.
|
||||
Returns:
|
||||
(return code, error message)
|
||||
=cut
|
||||
#-----------------------------------------------------------------------------
|
||||
sub getNodesetStates {
|
||||
my $noderef=shift;
|
||||
if ($noderef =~ /xCAT_plugin::pxe/) {
|
||||
$noderef=shift;
|
||||
}
|
||||
my @nodes=@$noderef;
|
||||
my $hashref=shift;
|
||||
if (@nodes>0) {
|
||||
foreach my $node (@nodes) {
|
||||
my $tmp=getstate($node);
|
||||
my @a=split(' ', $tmp);
|
||||
$stat = $a[0];
|
||||
if (exists($hashref->{$stat})) {
|
||||
my $pa=$hashref->{$stat};
|
||||
push(@$pa, $node);
|
||||
}
|
||||
else {
|
||||
$hashref->{$stat}=[$node];
|
||||
}
|
||||
}
|
||||
}
|
||||
return (0, "");
|
||||
}
|
||||
|
||||
1;
|
||||
Loading…
x
Reference in New Issue
Block a user