mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-10-31 11:22:27 +00:00
-Roll pxe plugin all the way back to 2.2 style
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4233 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso
@@ -1,12 +1,10 @@
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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 Data::Dumper;
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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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@@ -14,7 +12,7 @@ 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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"nodeset" => "Usage: nodeset <noderange> [install|shell|boot|runcmd=bmcsetup|netboot|iscsiboot]",
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);
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sub handled_commands {
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return {
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@@ -41,16 +39,7 @@ sub check_dhcp {
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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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if (-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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@@ -77,14 +66,8 @@ sub setstate {
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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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my $ipfn = xCAT::Utils->my_ip_facing($node);
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unless ($ipfn) {
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my @myself = xCAT::Utils->determinehostname();
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my $myname = $myself[(scalar @myself)-1];
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@@ -97,67 +80,40 @@ sub setstate {
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}
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);
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}
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$kern->{kcmdline} =~ s/!myipfn!/$ipfn/g;
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$kern->{kcmdline} =~ s/!myipfn!/$ipfn/;
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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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open($pcfg,'>',$tftpdir."/pxelinux.cfg/".$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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print $pcfg "DEFAULT xCAT\n";
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print $pcfg "LABEL xCAT\n";
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if ($cref and $cref->{currstate} eq "boot") {
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print $pcfg "exit\n";
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print $pcfg "LOCALBOOT 0\n";
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close($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}." --- ".$kern->{initrd}."\n";
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if ($kern->{kernel} =~ /!/) {
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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 " 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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#It's time to set pxelinux for this node to boot the kernel..
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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 $pcfg "\n";
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}
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}
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close($pcfg);
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my $inetn = inet_aton($node);
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@@ -212,6 +168,7 @@ sub setstate {
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my $errored = 0;
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sub pass_along {
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my $resp = shift;
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$callback->($resp);
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if ($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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@@ -219,72 +176,16 @@ sub pass_along {
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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 $req = shift;
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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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@@ -298,7 +199,7 @@ sub preprocess_request {
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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 [$req]; }
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# if ($req->{_xcatdest}) { return [$req]; } #Exit if the packet has been preprocessed in its history
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# my @requests = ({%$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) = $sitetab->getAttribs({key=>'xcatservers'},'value');
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@@ -308,7 +209,6 @@ sub preprocess_request {
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# if (xCAT::Utils->thishostisnot($_)) {
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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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@@ -362,6 +262,15 @@ sub process_request {
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if ($request->{node}) { @rnodes = ($request->{node}); }
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}
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my $args_ref = $request->{arg};
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if(scalar grep(/^--version$|^-v$/, @$args_ref)) {
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my $ver = xCAT::Utils->Version();
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my %rsp;
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$rsp{data}->[0]="$ver";
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$callback->(\%rsp);
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return;
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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{$request->{command}->[0]}});
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@@ -380,63 +289,44 @@ sub process_request {
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} else {
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@nodes = @rnodes;
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}
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if (ref($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 ".$::XCATROOT."/share/xcat/netboot/syslinux/pxelinux.0"],errorcode=>[1]});
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if (! -r "$tftpdir/pxelinux.0") {
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unless (-r "/usr/lib/syslinux/pxelinux.0" or -r "/usr/share/syslinux/pxelinux.0") {
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$callback->({error=>["Unable to find pxelinux.0 "],errorcode=>[1]});
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return;
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}
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copy($::XCATROOT."/share/xcat/netboot/syslinux/pxelinux.0","$tftpdir/xcat/pxelinux.0");
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if (-r "/usr/lib/syslinux/pxelinux.0") {
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copy("/usr/lib/syslinux/pxelinux.0","$tftpdir/pxelinux.0");
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} else {
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copy("/usr/share/syslinux/pxelinux.0","$tftpdir/pxelinux.0");
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}
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chmod(0644,"$tftpdir/pxelinux.0");
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}
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unless ( -r "$tftpdir/xcat/pxelinux.0" ) {
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unless ( -r "$tftpdir/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) { $inittime=0;}
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if (ref($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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$errored=0;
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unless ($args[0] eq 'stat') { # or $args[0] eq 'enact') {
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$sub_req->({command=>['setdestiny'],
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node=>\@nodes,
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inittime=>[$inittime],
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arg=>[$args[0]]},\&pass_along);
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$sub_req->({command=>['setdestiny'],
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node=>\@nodes,
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arg=>[$args[0]]},\&pass_along);
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}
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if ($errored) { return; }
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#Time to actually configure the nodes, first extract database data with the scalable calls
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my $bptab = xCAT::Table->new('bootparams',-create=>1);
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my $chaintab = xCAT::Table->new('chain');
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my $mactab = xCAT::Table->new('mac'); #to get all the hostnames
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my %bphash = %{$bptab->getNodesAttribs(\@nodes,[qw(kernel initrd kcmdline addkcmdline)])};
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my %bphash = %{$bptab->getNodesAttribs(\@nodes,[qw(kernel initrd kcmdline)])};
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my %chainhash = %{$chaintab->getNodesAttribs(\@nodes,[qw(currstate)])};
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my %machash = %{$mactab->getNodesAttribs(\@nodes,[qw(mac)])};
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mkpath($tftpdir."/xcat/xnba/nodes/");
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foreach (@nodes) {
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my %response;
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$response{node}->[0]->{name}->[0]=$_;
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||||
@@ -452,43 +342,15 @@ sub process_request {
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}
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}
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||||
}
|
||||
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||||
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#dhcp stuff -- inittime is set when xcatd on sn is started
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unless (($args[0] eq 'stat') || ($inittime)) {
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my $do_dhcpsetup=1;
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my $sitetab = xCAT::Table->new('site');
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if ($sitetab) {
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(my $ref) = $sitetab->getAttribs({key => 'dhcpsetup'}, 'value');
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if ($ref) {
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if ($ref->{value} =~ /0|n|N/) { $do_dhcpsetup=0; }
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}
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||||
}
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if ($do_dhcpsetup) {
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if ($request->{'_disparatetftp'}->[0]) { #reading hint from preprocess_command
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$sub_req->({command=>['makedhcp'],arg=>['-l'],
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node=>\@nodes},$callback);
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} else {
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$sub_req->({command=>['makedhcp'],
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node=>\@nodes},$callback);
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}
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||||
}
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||||
}
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||||
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||||
#now run the end part of the prescripts
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unless ($args[0] eq 'stat') { # or $args[0] eq 'enact')
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||||
$errored=0;
|
||||
if ($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
|
||||
$sub_req->({command=>['runendpre'],
|
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node=>\@rnodes,
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||||
arg=>[$args[0]]},\&pass_along);
|
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}
|
||||
if ($errored) { return; }
|
||||
if ($request->{inittime}->[0]) { return; } #Don't bother to try dhcp binding changes if sub_req not passed, i.e. service node build time
|
||||
if ($args[0] ne 'stat') {
|
||||
if ($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);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user