# IBM(c) 2014 EPL license http://www.eclipse.org/legal/epl-v10.html
package xCAT_plugin::petitboot;
use File::Path;
use Getopt::Long;
use xCAT::Table;
use Sys::Syslog;
my $globaltftpdir = xCAT::TableUtils->getTftpDir();
my %usage = (
"nodeset" => "Usage: nodeset <noderange> osimage[=<imagename>]",
);
my $httpmethod="http";
my $httpport = "80";
sub handled_commands {
return {
nodeset => "noderes:netboot"
}
}
sub check_dhcp {
return 1;
#TODO: omapi magic to do things right
my $node = shift;
my $dhcpfile;
open ($dhcpfile,$dhcpconf);
while (<$dhcpfile>) {
if (/host $node\b/) {
close $dhcpfile;
return 1;
}
}
close $dhcpfile;
return 0;
}
sub _slow_get_tftpdir { #make up for paths where tftpdir is not passed in
my $node=shift;
my $nrtab = xCAT::Table->new('noderes',-create=>0); #in order to detect per-node tftp directories
unless ($nrtab) { return $globaltftpdir; }
my $ent = $nrtab->getNodeAttribs($node,["tftpdir"]);
if ($ent and $ent->{tftpdir}) {
return $ent->{tftpdir};
} else {
return $globaltftpdir;
}
}
sub getstate {
my $node = shift;
my $tftpdir = shift;
unless ($tftpdir) { $tftpdir = _slow_get_tftpdir($node); }
if (check_dhcp($node)) {
if (-r $tftpdir . "/petitboot/".$node) {
my $fhand;
open ($fhand,$tftpdir . "/petitboot/".$node);
my $headline = <$fhand>;
close $fhand;
$headline =~ s/^#//;
chomp($headline);
return $headline;
} else {
return "boot";
}
} else {
return "discover";
}
}
sub setstate {
=pod
This function will manipulate the yaboot structure to match what the noderes/chain tables indicate the node should be booting.
=cut
my $node = shift;
my %bphash = %{shift()};
my %chainhash = %{shift()};
my %machash = %{shift()};
my $tftpdir = shift;
my %nrhash = %{shift()};
my $linuximghash = shift();
my $kern = $bphash{$node}->[0]; #$bptab->getNodeAttribs($node,['kernel','initrd','kcmdline']);
#my $nodereshash=$noderestab->getNodesAttribs(\@nodes,['tftpdir','xcatmaster','nfsserver', 'servicenode']);
if ($kern->{kernel} !~ /^$tftpdir/) {
my $nodereshash = $nrhash{$node}->[0];
my $installsrv;
if ($nodereshash and $nodereshash->{nfsserver} ) {
$installsrv = $nodereshash->{nfsserver};
} elsif ($nodereshash->{xcatmaster}) {
$installsrv = $nodereshash->{xcatmaster};
} else {
$installsrv = '!myipfn!';
}
$kern->{kernel} = "$httpmethod://$installsrv:$httpport$tftpdir/".$kern->{kernel};
$kern->{initrd} = "$httpmethod://$installsrv:$httpport$tftpdir/".$kern->{initrd};
}
if ($kern->{kcmdline} =~ /!myipfn!/ or $kern->{kernel} =~ /!myipfn!/) {
my $ipfn;
my @ipfnd = xCAT::NetworkUtils->my_ip_facing($node);
if ($ipfnd[0] eq 1) {
$::callback->(
{
error => [$ipfnd[1]],
errorcode => [1]
});
return;
}
elsif ($ipfnd[0] eq 2) {
my $servicenodes = $nrhash{$node}->[0];
if ($servicenodes and $servicenodes->{servicenode}) {
my @sns = split /,/, $servicenodes->{servicenode};
foreach my $sn ( @sns ) {
# We are in the service node pools, print error if no facing ip.
if (xCAT::InstUtils->is_me($sn)) {
my @myself = xCAT::NetworkUtils->determinehostname();
my $myname = $myself[(scalar @myself)-1];
$::callback->(
{
error => [
"$myname: Unable to determine the image server for $node on service node $sn"
],
errorcode => [1]
}
);
return;
}
}
} else {
$::callback->(
{
error => [
"$myname: Unable to determine the image server for $node"
],
errorcode => [1]
}
);
return;
}
} else {
$ipfn = $ipfnd[1];
$kern->{kernel} =~ s/!myipfn!/$ipfn/g;
$kern->{initrd} =~ s/!myipfn!/$ipfn/g;
$kern->{kcmdline} =~ s/!myipfn!/$ipfn/g;
}
}
if ($kern->{addkcmdline}) {
$kern->{kcmdline} .= " ".$kern->{addkcmdline};
}
if($linuximghash and $linuximghash->{'addkcmdline'})
{
unless($linuximghash->{'boottarget'})
{
$kern->{kcmdline} .= " ".$linuximghash->{'addkcmdline'};
}
}
my $pcfg;
unless (-d "$tftpdir/petitboot") {
mkpath("$tftpdir/petitboot");
}
my $nodemac;
open($pcfg,'>',$tftpdir."/petitboot/".$node);
my $cref=$chainhash{$node}->[0]; #$chaintab->getNodeAttribs($node,['currstate']);
if ($cref->{currstate}) {
print $pcfg "#".$cref->{currstate}."\n";
}
$normalnodes{$node}=1; #Assume a normal netboot (well, normal dhcp,
#which is normally with a valid 'filename' field,
#but the typical ppc case will be 'special' makedhcp
#to clear the filename field, so the logic is a little
#opposite
# $sub_req->({command=>['makedhcp'], #This is currently batched elswhere
# node=>[$node]},$callback); #It hopefully will perform correctly
if ($cref and $cref->{currstate} eq "boot") {
$breaknetbootnodes{$node}=1;
delete $normalnodes{$node}; #Signify to omit this from one makedhcp command
#$sub_req->({command=>['makedhcp'], #batched elsewhere, this code is stale, hopefully
# node=>[$node],
# arg=>['-s','filename = \"xcat/nonexistant_file_to_intentionally_break_netboot_for_localboot_to_work\";']},$callback);
#print $pcfg "bye\n";
close($pcfg);
} elsif ($kern and $kern->{kernel}) {
#It's time to set yaboot for this node to boot the kernel..
print $pcfg "default xCAT\n";
print $pcfg "label xCAT\n";
print $pcfg "\tkernel $kern->{kernel}\n";
if ($kern and $kern->{initrd}) {
print $pcfg "\tinitrd ".$kern->{initrd}."\n";
}
if ($kern and $kern->{kcmdline}) {
print $pcfg "\tappend \"".$kern->{kcmdline}."\"\n";
}
close($pcfg);
my $inetn = xCAT::NetworkUtils->getipaddr($node);
unless ($inetn) {
syslog("local1|err","xCAT unable to resolve IP for $node in petitboot plugin");
return;
}
} else { #TODO: actually, should possibly default to xCAT image?
#print $pcfg "bye\n";
close($pcfg);
}
my $ip = xCAT::NetworkUtils->getipaddr($node);
unless ($ip) {
syslog("local1|err","xCAT unable to resolve IP in petitboot plugin");
return;
}
my @ipa=split(/\./,$ip);
my $pname = sprintf("%02x%02x%02x%02x",@ipa);
$pname = uc($pname);
unlink($tftpdir."/".$pname);
link($tftpdir."/petitboot/".$node,$tftpdir."/".$pname);
return;
}
my $errored = 0;
sub pass_along {
my $resp = shift;
# print Dumper($resp);
$callback->($resp);
if ($resp and ($resp->{errorcode} and $resp->{errorcode}->[0]) or ($resp->{error} and $resp->{error}->[0])) {
$errored=1;
}
foreach (@{$resp->{node}}) {
if ($_->{error} or $_->{errorcode}) {
$errored=1;
}
}
}
sub preprocess_request {
my $req = shift;
if ($req->{_xcatpreprocessed}->[0] == 1) { return [$req]; }
my $callback1 = shift;
my $command = $req->{command}->[0];
my $sub_req = shift;
my @args=();
if (ref($req->{arg})) {
@args=@{$req->{arg}};
} else {
@args=($req->{arg});
}
@ARGV = @args;
my $nodes = $req->{node};
#use Getopt::Long;
my $HELP;
my $VERSION;
my $VERBOSE;
Getopt::Long::Configure("bundling");
Getopt::Long::Configure("pass_through");
if (!GetOptions('h|?|help' => \$HELP,
'v|version' => \$VERSION,
'V' => \$VERBOSE #>>>>>>>used for trace log>>>>>>>
) ) {
if($usage{$command}) {
my %rsp;
$rsp{data}->[0]=$usage{$command};
$callback1->(\%rsp);
}
return;
}
#>>>>>>>used for trace log start>>>>>>
my $verbose_on_off=0;
if($VERBOSE){$verbose_on_off=1;}
#>>>>>>>used for trace log end>>>>>>>
if ($HELP) {
if($usage{$command}) {
my %rsp;
$rsp{data}->[0]=$usage{$command};
$callback1->(\%rsp);
}
return;
}
if ($VERSION) {
my $ver = xCAT::Utils->Version();
my %rsp;
$rsp{data}->[0]="$ver";
$callback1->(\%rsp);
return;
}
if (@ARGV==0) {
if($usage{$command}) {
my %rsp;
$rsp{data}->[0]=$usage{$command};
$callback1->(\%rsp);
}
return;
}
#Assume shared tftp directory for boring people, but for cool people, help sync up tftpdirectory contents when
#if they specify no sharedtftp in site table
my @entries = xCAT::TableUtils->get_site_attribute("sharedtftp");
my $t_entry = $entries[0];
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: sharedtftp = $t_entry");
if ( defined($t_entry) and ($t_entry == 0 or $t_entry =~ /no/i)) {
# check for computenodes and servicenodes from the noderange, if so error out
my @SN;
my @CN;
xCAT::ServiceNodeUtils->getSNandCPnodes(\@$nodes, \@SN, \@CN);
if ((@SN > 0) && (@CN >0 )) { # there are both SN and CN
my $rsp;
$rsp->{data}->[0] =
"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";
xCAT::MsgUtils->message("E", $rsp, $callback1);
return;
}
$req->{'_disparatetftp'}=[1];
if ($req->{inittime}->[0]) {
return [$req];
}
if (@CN >0 ) { # if compute nodes broadcast to all servicenodes
return xCAT::Scope->get_broadcast_scope($req,@_);
}
}
return [$req];
}
sub process_request {
$request = shift;
$callback = shift;
$::callback=$callback;
$sub_req = shift;
my $command = $request->{command}->[0];
%breaknetbootnodes=();
%normalnodes=();
#>>>>>>>used for trace log start>>>>>>>
my @args=();
my %opt;
my $verbose_on_off=0;
if (ref($::request->{arg})) {
@args=@{$::request->{arg}};
} else {
@args=($::request->{arg});
}
@ARGV = @args;
GetOptions('V' => \$opt{V});
if($opt{V}){$verbose_on_off=1;}
#>>>>>>>used for trace log end>>>>>>>
if ($::XCATSITEVALS{"httpmethod"}) { $httpmethod = $::XCATSITEVALS{"httpmethod"}; }
if ($::XCATSITEVALS{"httpport"}) { $httpport = $::XCATSITEVALS{"httpport"}; }
my @nodes;
my @rnodes;
if (ref($request->{node})) {
@rnodes = @{$request->{node}};
} else {
if ($request->{node}) { @rnodes = ($request->{node}); }
}
unless (@rnodes) {
if ($usage{$request->{command}->[0]}) {
$callback->({data=>$usage{$request->{command}->[0]}});
}
return;
}
#if not shared tftpdir, then filter, otherwise, set up everything
if ($request->{'_disparatetftp'}->[0]) { #reading hint from preprocess_command
@nodes = ();
foreach (@rnodes) {
if (xCAT::NetworkUtils->nodeonmynet($_)) {
push @nodes,$_;
} else {
xCAT::MsgUtils->message("S", "$_: petitboot netboot: stop configuration because of none sharedtftp and not on same network with its xcatmaster.");
}
}
} else {
@nodes = @rnodes;
}
#>>>>>>>used for trace log>>>>>>>
my $str_node = join(" ",@nodes);
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: nodes are $str_node");
# return directly if no nodes in the same network
unless (@nodes) {
xCAT::MsgUtils->message("S", "xCAT: petitboot netboot: no valid nodes. Stop the operation on this server.");
return;
}
if (ref($request->{arg})) {
@args=@{$request->{arg}};
} else {
@args=($request->{arg});
}
#now run the begin 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
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: the call is distrubuted to the service node already, so only need to handles my own children");
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: issue runbeginpre request");
$sub_req->({command=>['runbeginpre'],
node=>\@nodes,
arg=>[$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
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: nodeset did not distribute to the service node");
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: issue runbeginpre request");
$sub_req->({command=>['runbeginpre'],
node=>\@rnodes,
arg=>[$args[0]]},\&pass_along);
}
if ($errored) {
my $rsp;
$rsp->{errorcode}->[0]=1;
$rsp->{error}->[0]="Failed in running begin prescripts.\n";
$callback->($rsp);
return;
}
}
#back to normal business
my $inittime=0;
if (exists($request->{inittime})) { $inittime= $request->{inittime}->[0];}
if (!$inittime) { $inittime=0;}
$errored=0;
unless ($args[0] eq 'stat') { # or $args[0] eq 'enact') {
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: issue setdestiny request");
$sub_req->({command=>['setdestiny'],
node=>\@nodes,
inittime=>[$inittime],
arg=>\@args},\&pass_along);
}
if ($errored) { return; }
# Fix the bug 4611: PowerNV stateful CN provision will hang at reboot stage#
if ($args[0] eq 'next') {
$sub_req->({command=>['rsetboot'],
node=>\@nodes,
arg=>['default']});
xCAT::MsgUtils->message("S", "xCAT: petitboot netboot: clear node(s): @nodes boot device setting.");
}
my $bptab=xCAT::Table->new('bootparams',-create=>1);
my $bphash = $bptab->getNodesAttribs(\@nodes,['kernel','initrd','kcmdline','addkcmdline']);
my $chaintab=xCAT::Table->new('chain',-create=>1);
my $chainhash=$chaintab->getNodesAttribs(\@nodes,['currstate']);
my $noderestab=xCAT::Table->new('noderes',-create=>1);
my $nodereshash=$noderestab->getNodesAttribs(\@nodes,['tftpdir','xcatmaster','nfsserver', 'servicenode']);
my $mactab=xCAT::Table->new('mac',-create=>1);
my $machash=$mactab->getNodesAttribs(\@nodes,['mac']);
my $typetab=xCAT::Table->new('nodetype',-create=>1);
my $typehash=$typetab->getNodesAttribs(\@nodes,['os','provmethod','arch','profile']);
my $linuximgtab=xCAT::Table->new('linuximage',-create=>1);
my $osimagetab=xCAT::Table->new('osimage',-create=>1);
my $rc;
my $errstr;
my $tftpdir;
foreach (@nodes) {
my %response;
if ($nodereshash->{$_} and $nodereshash->{$_}->[0] and $nodereshash->{$_}->[0]->{tftpdir}) {
$tftpdir = $nodereshash->{$_}->[0]->{tftpdir};
} else {
$tftpdir = $globaltftpdir;
}
$response{node}->[0]->{name}->[0]=$_;
if ($args[0] eq 'stat') {
$response{node}->[0]->{data}->[0]= getstate($_,$tftpdir);
$callback->(\%response);
} elsif ($args[0]) { #If anything else, send it on to the destiny plugin, then setstate
my $ent = $typehash->{$_}->[0];
my $osimgname = $ent->{'provmethod'};
my $linuximghash = $linuximghash = $linuximgtab->getAttribs({imagename => $osimgname}, 'boottarget', 'addkcmdline');
($rc,$errstr) = setstate($_,$bphash,$chainhash,$machash,$tftpdir,$nodereshash,$linuximghash);
if ($rc) {
$response{node}->[0]->{errorcode}->[0]= $rc;
$response{node}->[0]->{errorc}->[0]= $errstr;
$callback->(\%response);
}
}
}# end of foreach node
my @normalnodeset = keys %normalnodes;
my @breaknetboot=keys %breaknetbootnodes;
#print "yaboot:inittime=$inittime; normalnodeset=@normalnodeset; breaknetboot=@breaknetboot\n";
my %osimagenodehash;
for my $nn (@normalnodeset){
#record the os version for node
my $ent = $typehash->{$nn}->[0];
my $osimage=$ent->{'provmethod'};
push @{$osimagenodehash{$osimage}}, $nn;
}
#Don't bother to try dhcp binding changes if sub_req not passed, i.e. service node build time
unless (($args[0] eq 'stat') || ($inittime) || ($args[0] eq 'offline')) {
#dhcp stuff
my $do_dhcpsetup=1;
my @entries = xCAT::TableUtils->get_site_attribute("dhcpsetup");
my $t_entry = $entries[0];
if (defined($t_entry) ) {
if ($t_entry =~ /0|n|N/) { $do_dhcpsetup=0; }
}
if ($do_dhcpsetup) {
foreach my $node (@normalnodeset) {
if ($request->{'_disparatetftp'}->[0]) { #reading hint from preprocess_command
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: issue makedhcp request");
$sub_req->({command=>['makedhcp'],
node=> [$node],
arg=>['-l']},$callback);
#arg=>['-l','-s','option conf-file \"'.$fpath.'\";']},$callback);
} else {
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: issue makedhcp request");
$sub_req->({command=>['makedhcp'],
node=> [$node]}, $callback);
#arg=>['-s','option conf-file \"'.$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
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: issue runendpre request");
$sub_req->({command=>['runendpre'],
node=>\@nodes,
arg=>[$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
xCAT::MsgUtils->trace($verbose_on_off,"d","petitboot: issue runendpre request");
$sub_req->({command=>['runendpre'],
node=>\@rnodes,
arg=>[$args[0]]},\&pass_along);
}
if ($errored) {
my $rsp;
$rsp->{errorcode}->[0]=1;
$rsp->{error}->[0]="Failed in running end prescripts\n";
$callback->($rsp);
return;
}
}
}
sub getstate {
my $node = shift;
my $tftpdir = shift;
unless ($tftpdir) { $tftpdir = _slow_get_tftpdir($node); }
if (check_dhcp($node)) {
if (-r $tftpdir . "/petitboot/".$node) {
my $fhand;
open ($fhand,$tftpdir . "/petitboot/".$node);
my $headline = <$fhand>;
close $fhand;
$headline =~ s/^#//;
chomp($headline);
return $headline;
} else {
return "boot";
}
} else {
return "discover";
}
}
#----------------------------------------------------------------------------
=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::petitboot/) {
$noderef=shift;
}
my @nodes=@$noderef;
my $hashref=shift;
my $noderestab = xCAT::Table->new('noderes'); #in order to detect per-node tftp directories
my %nrhash = %{$noderestab->getNodesAttribs(\@nodes,[qw(tftpdir)])};
if (@nodes>0) {
foreach my $node (@nodes) {
my $tftpdir;
if ($nrhash{$node}->[0] and $nrhash{$node}->[0]->{tftpdir}) {
$tftpdir = $nrhash{$node}->[0]->{tftpdir};
} else {
$tftpdir = $globaltftpdir;
}
my $tmp=getstate($node, $tftpdir);
my @a=split(' ', $tmp);
my $stat = $a[0];
if (exists($hashref->{$stat})) {
my $pa=$hashref->{$stat};
push(@$pa, $node);
}
else {
$hashref->{$stat}=[$node];
}
}
}
return (0, "");
}
1;