mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-11-04 05:12:30 +00:00
511 lines
16 KiB
Perl
511 lines
16 KiB
Perl
# IBM(c) 2014 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT_plugin::petitboot;
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use File::Path;
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use Getopt::Long;
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use xCAT::Table;
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my $globaltftpdir = xCAT::TableUtils->getTftpDir();
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my %usage = (
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"nodeset" => "Usage: nodeset <noderange> osimage[=<imagename>]",
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);
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my $httpmethod="http";
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my $httpport = "80";
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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 _slow_get_tftpdir { #make up for paths where tftpdir is not passed in
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my $node=shift;
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my $nrtab = xCAT::Table->new('noderes',-create=>0); #in order to detect per-node tftp directories
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unless ($nrtab) { return $globaltftpdir; }
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my $ent = $nrtab->getNodeAttribs($node,["tftpdir"]);
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if ($ent and $ent->{tftpdir}) {
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return $ent->{tftpdir};
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} else {
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return $globaltftpdir;
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}
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}
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sub getstate {
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my $node = shift;
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my $tftpdir = shift;
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unless ($tftpdir) { $tftpdir = _slow_get_tftpdir($node); }
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if (check_dhcp($node)) {
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if (-r $tftpdir . "/petitboot/".$node) {
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my $fhand;
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open ($fhand,$tftpdir . "/petitboot/".$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 yaboot 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 $tftpdir = shift;
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my %nrhash = %{shift()};
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my $linuximghash = shift();
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my $kern = $bphash{$node}->[0]; #$bptab->getNodeAttribs($node,['kernel','initrd','kcmdline']);
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#my $nodereshash=$noderestab->getNodesAttribs(\@nodes,['tftpdir','xcatmaster','nfsserver', 'servicenode']);
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if ($kern->{kernel} !~ /^$tftpdir/) {
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my $nodereshash = $nrhash{$node}->[0];
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my $installsrv;
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if ($nodereshash and $nodereshash->{nfsserver} ) {
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$installsrv = $nodereshash->{nfsserver};
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} elsif ($nodereshash->{xcatmaster}) {
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$installsrv = $nodereshash->{xcatmaster};
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} else {
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$installsrv = '!myipfn!';
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}
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$kern->{kernel} = "$httpmethod://$installsrv:$httpport$tftpdir/".$kern->{kernel};
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$kern->{initrd} = "$httpmethod://$installsrv:$httpport$tftpdir/".$kern->{initrd};
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}
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if ($kern->{kcmdline} =~ /!myipfn!/ or $kern->{kernel} =~ /!myipfn!/) {
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my $ipfn = xCAT::NetworkUtils->my_ip_facing($node);
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unless ($ipfn) {
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my $servicenodes = $nrhash{$node}->[0];
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if ($servicenodes and $servicenodes->{servicenode}) {
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my @sns = split /,/, $servicenodes->{servicenode};
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foreach my $sn ( @sns ) {
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# We are in the service node pools, print error if no facing ip.
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if (xCAT::InstUtils->is_me($sn)) {
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my @myself = xCAT::NetworkUtils->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 the image server for $node on service node $sn"
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],
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errorcode => [1]
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}
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);
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return;
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}
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}
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} else {
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$::callback->(
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{
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error => [
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"$myname: Unable to determine the image server for $node"
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],
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errorcode => [1]
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}
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);
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return;
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}
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} else {
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$kern->{kernel} =~ s/!myipfn!/$ipfn/g;
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$kern->{initrd} =~ s/!myipfn!/$ipfn/g;
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$kern->{kcmdline} =~ s/!myipfn!/$ipfn/g;
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}
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}
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if ($kern->{addkcmdline}) {
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$kern->{kcmdline} .= " ".$kern->{addkcmdline};
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}
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if($linuximghash and $linuximghash->{'addkcmdline'})
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{
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unless($linuximghash->{'boottarget'})
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{
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$kern->{kcmdline} .= " ".$linuximghash->{'addkcmdline'};
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}
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}
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my $pcfg;
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unless (-d "$tftpdir/petitboot") {
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mkpath("$tftpdir/petitboot");
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}
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my $nodemac;
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open($pcfg,'>',$tftpdir."/petitboot/".$node);
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my $cref=$chainhash{$node}->[0]; #$chaintab->getNodeAttribs($node,['currstate']);
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if ($cref->{currstate}) {
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print $pcfg "#".$cref->{currstate}."\n";
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}
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$normalnodes{$node}=1; #Assume a normal netboot (well, normal dhcp,
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#which is normally with a valid 'filename' field,
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#but the typical ppc case will be 'special' makedhcp
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#to clear the filename field, so the logic is a little
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#opposite
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# $sub_req->({command=>['makedhcp'], #This is currently batched elswhere
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# node=>[$node]},$callback); #It hopefully will perform correctly
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if ($cref and $cref->{currstate} eq "boot") {
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$breaknetbootnodes{$node}=1;
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delete $normalnodes{$node}; #Signify to omit this from one makedhcp command
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#$sub_req->({command=>['makedhcp'], #batched elsewhere, this code is stale, hopefully
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# node=>[$node],
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# arg=>['-s','filename = \"xcat/nonexistant_file_to_intentionally_break_netboot_for_localboot_to_work\";']},$callback);
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#print $pcfg "bye\n";
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close($pcfg);
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} elsif ($kern and $kern->{kernel}) {
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#It's time to set yaboot for this node to boot the kernel..
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print $pcfg "default xCAT\n";
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print $pcfg "label xCAT\n";
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print $pcfg "\tkernel $kern->{kernel}\n";
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if ($kern and $kern->{initrd}) {
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print $pcfg "\tinitrd ".$kern->{initrd}."\n";
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}
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if ($kern and $kern->{kcmdline}) {
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print $pcfg "\tappend \"".$kern->{kcmdline}."\"\n";
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}
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close($pcfg);
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my $inetn = xCAT::NetworkUtils->getipaddr($node);
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unless ($inetn) {
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syslog("local1|err","xCAT unable to resolve IP for $node in petitboot 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 $pcfg "bye\n";
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close($pcfg);
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}
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my $ip = xCAT::NetworkUtils->getipaddr($node);
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unless ($ip) {
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syslog("local1|err","xCAT unable to resolve IP in petitboot plugin");
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return;
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}
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my @ipa=split(/\./,$ip);
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my $pname = sprintf("%02x%02x%02x%02x",@ipa);
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$pname = uc($pname);
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unlink($tftpdir."/".$pname);
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link($tftpdir."/petitboot/".$node,$tftpdir."/".$pname);
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return;
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}
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my $errored = 0;
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sub pass_along {
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my $resp = shift;
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# print Dumper($resp);
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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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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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}
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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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my $nodes = $req->{node};
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#use Getopt::Long;
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Getopt::Long::Configure("bundling");
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Getopt::Long::Configure("pass_through");
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if (!GetOptions('h|?|help' => \$HELP, 'v|version' => \$VERSION) ) {
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if($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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#if they specify no sharedtftp in site table
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my @entries = xCAT::TableUtils->get_site_attribute("sharedtftp");
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my $t_entry = $entries[0];
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if ( defined($t_entry) and ($t_entry == 0 or $t_entry =~ /no/i)) {
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# check for computenodes and servicenodes from the noderange, if so error out
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my @SN;
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my @CN;
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xCAT::ServiceNodeUtils->getSNandCPnodes(\@$nodes, \@SN, \@CN);
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if ((@SN > 0) && (@CN >0 )) { # there are both SN and CN
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my $rsp;
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$rsp->{data}->[0] =
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"Nodeset was run with a noderange containing both service nodes and compute nodes. This is not valid. You must submit with either compute nodes in the noderange or service nodes. \n";
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xCAT::MsgUtils->message("E", $rsp, $callback1);
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return;
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}
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$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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if (@CN >0 ) { # if compute nodes broadcast to all servicenodes
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return xCAT::Scope->get_broadcast_scope($req,@_);
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}
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}
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return [$req];
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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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$::callback=$callback;
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$sub_req = shift;
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my $command = $request->{command}->[0];
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%breaknetbootnodes=();
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%normalnodes=();
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if ($::XCATSITEVALS{"httpmethod"}) { $httpmethod = $::XCATSITEVALS{"httpmethod"}; }
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if ($::XCATSITEVALS{"httpport"}) { $httpport = $::XCATSITEVALS{"httpport"}; }
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my @args;
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my @nodes;
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my @rnodes;
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if (ref($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 tftpdir, then filter, otherwise, set up everything
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if ($request->{'_disparatetftp'}->[0]) { #reading hint from preprocess_command
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@nodes = ();
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foreach (@rnodes) {
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if (xCAT::NetworkUtils->nodeonmynet($_)) {
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push @nodes,$_;
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} else {
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xCAT::MsgUtils->message("S", "$_: petitboot netboot: stop configuration because of none sharedtftp and not on same network with its xcatmaster.");
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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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# return directly if no nodes in the same network
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unless (@nodes) {
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xCAT::MsgUtils->message("S", "xCAT: petitboot netboot: no valid nodes. Stop the operation on this server.");
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return;
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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) {
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my $rsp;
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$rsp->{errorcode}->[0]=1;
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$rsp->{error}->[0]="Failed in running begin prescripts.\n";
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$callback->($rsp);
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return;
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}
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}
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#back to normal business
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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 $args[0] eq 'enact') {
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$sub_req->({command=>['setdestiny'],
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node=>\@nodes,
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inittime=>[$inittime],
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arg=>\@args},\&pass_along);
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}
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if ($errored) { return; }
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my $bptab=xCAT::Table->new('bootparams',-create=>1);
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my $bphash = $bptab->getNodesAttribs(\@nodes,['kernel','initrd','kcmdline','addkcmdline']);
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my $chaintab=xCAT::Table->new('chain',-create=>1);
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my $chainhash=$chaintab->getNodesAttribs(\@nodes,['currstate']);
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my $noderestab=xCAT::Table->new('noderes',-create=>1);
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my $nodereshash=$noderestab->getNodesAttribs(\@nodes,['tftpdir','xcatmaster','nfsserver', 'servicenode']);
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my $mactab=xCAT::Table->new('mac',-create=>1);
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my $machash=$mactab->getNodesAttribs(\@nodes,['mac']);
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my $typetab=xCAT::Table->new('nodetype',-create=>1);
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my $typehash=$typetab->getNodesAttribs(\@nodes,['os','provmethod','arch','profile']);
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my $linuximgtab=xCAT::Table->new('linuximage',-create=>1);
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my $osimagetab=xCAT::Table->new('osimage',-create=>1);
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my $rc;
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my $errstr;
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my $tftpdir;
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foreach (@nodes) {
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my %response;
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if ($nodereshash->{$_} and $nodereshash->{$_}->[0] and $nodereshash->{$_}->[0]->{tftpdir}) {
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$tftpdir = $nodereshash->{$_}->[0]->{tftpdir};
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} else {
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$tftpdir = $globaltftpdir;
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}
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$response{node}->[0]->{name}->[0]=$_;
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if ($args[0] eq 'stat') {
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$response{node}->[0]->{data}->[0]= getstate($_,$tftpdir);
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$callback->(\%response);
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} elsif ($args[0]) { #If anything else, send it on to the destiny plugin, then setstate
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my $ent = $typehash->{$_}->[0];
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my $osimgname = $ent->{'provmethod'};
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my $linuximghash = $linuximghash = $linuximgtab->getAttribs({imagename => $osimgname}, 'boottarget', 'addkcmdline');
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($rc,$errstr) = setstate($_,$bphash,$chainhash,$machash,$tftpdir,$nodereshash,$linuximghash);
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if ($rc) {
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$response{node}->[0]->{errorcode}->[0]= $rc;
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$response{node}->[0]->{errorc}->[0]= $errstr;
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$callback->(\%response);
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}
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}
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}# end of foreach node
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my @normalnodeset = keys %normalnodes;
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my @breaknetboot=keys %breaknetbootnodes;
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#print "yaboot:inittime=$inittime; normalnodeset=@normalnodeset; breaknetboot=@breaknetboot\n";
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my %osimagenodehash;
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for my $nn (@normalnodeset){
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#record the os version for node
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my $ent = $typehash->{$nn}->[0];
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my $osimage=$ent->{'provmethod'};
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push @{$osimagenodehash{$osimage}}, $nn;
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}
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#Don't bother to try dhcp binding changes if sub_req not passed, i.e. service node build time
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unless (($args[0] eq 'stat') || ($inittime) || ($args[0] eq 'offline')) {
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#dhcp stuff
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my $do_dhcpsetup=1;
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my @entries = xCAT::TableUtils->get_site_attribute("dhcpsetup");
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my $t_entry = $entries[0];
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if (defined($t_entry) ) {
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if ($t_entry =~ /0|n|N/) { $do_dhcpsetup=0; }
|
|
}
|
|
|
|
if ($do_dhcpsetup) {
|
|
foreach my $node (@normalnodeset) {
|
|
my $server = xCAT::TableUtils->GetMasterNodeName($node);
|
|
my $ipfn = xCAT::NetworkUtils->my_ip_facing($server);
|
|
if(($server != 1) and defined($ipfn)) {
|
|
my $fpath = "http://$ipfn/tftpboot/petitboot/$node";
|
|
if ($request->{'_disparatetftp'}->[0]) { #reading hint from preprocess_command
|
|
$sub_req->({command=>['makedhcp'],
|
|
node=> [$node],
|
|
arg=>['-l','-s','option conf-file \"'.$fpath.'\";']},$callback);
|
|
} else {
|
|
$sub_req->({command=>['makedhcp'],
|
|
node=> [$node],
|
|
arg=>['-s','option conf-file \"'.$fpath.'\";']},$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) {
|
|
my $rsp;
|
|
$rsp->{errorcode}->[0]=1;
|
|
$rsp->{error}->[0]="Failed in running end prescripts\n";
|
|
$callback->($rsp);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
1;
|