xcat-core/xCAT-server/lib/xcat/plugins/hmc.pm

# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html

package xCAT_plugin::hmc;
use strict;
use xCAT::PPC;
use xCAT::DBobjUtils;

##########################################################################
# Command handler method from tables
##########################################################################
sub handled_commands {
    return {
        rpower    => 'nodehm:power,mgt',
        rvitals   => 'nodehm:mgt',
        rinv      => 'nodehm:mgt',
        mkvm      => 'nodehm:mgt',
        rmvm      => 'nodehm:mgt',
        lsvm      => 'nodehm:mgt',
        chvm      => 'nodehm:mgt',
        rscan     => 'nodehm:mgt',
        getmacs   => 'nodehm:getmac,mgt',
        rnetboot  => 'nodehm:mgt',
        rspconfig => 'nodehm:mgt',
        rflash    => 'nodehm:mgt',
        mkhwconn  => 'nodehm:mgt',
        rmhwconn  => 'nodehm:mgt',
        lshwconn  => 'nodehm:mgt',
        renergy   => 'nodehm:mgt',
        gethmccon => 'nodehm:cons',
    };
}


##########################################################################
# Pre-process request from xCat daemon
##########################################################################
sub preprocess_request {
    my ($arg1, $arg2, $arg3) = @_;

    #if already preprocessed, go straight to request
    if ((defined($arg1->{_xcatpreprocessed}))
        && ($arg1->{_xcatpreprocessed}->[0] == 1))
    {
        return [$arg1];
    }

    if ($arg1->{command}->[0] eq "gethmccon") {    #Can handle it here and now
        my $node     = $arg1->{noderange}->[0];
        my $callback = $arg2;
        gethmccon($node, $callback);
        return [];
    }
    xCAT::PPC::preprocess_request(__PACKAGE__, @_);
}

##########################################################################
# Process request from xCat daemon
##########################################################################
sub process_request {
    xCAT::PPC::process_request(__PACKAGE__, @_);
}

##########################################################################
# get hcp and id for rcons with fsp
##########################################################################
sub gethmccon {

    my $node     = shift;
    my $callback = shift;
    my $otherhcp = shift;
    my @attribs  = qw(id parent hcp);
    my %tabs     = ();
    my $rsp;

    ##################################
    # Open databases needed
    ##################################
    foreach (qw(ppc vpd nodetype)) {
        $tabs{$_} = xCAT::Table->new($_);

        if (!exists($tabs{$_})) {

            #return( sprintf( $errmsg{DB_UNDEF}, $_ ));
            $rsp->{node}->[0]->{error}     = ["open table $_ error"];
            $rsp->{node}->[0]->{errorcode} = [1];
            $callback->($rsp);
            return $rsp;
        }
    }

    #################################
    # Get node type
    #################################
    my $type = xCAT::DBobjUtils->getnodetype($node, "ppc");

    #my ($type) = grep( /^(lpar|osi)$/, @types );

    if (!defined($type) or !($type =~ /lpar/)) {

        #return( "Invalid node type: $ent->{nodetype}" );
        $rsp->{node}->[0]->{error}     = ["Invalid node type: $type"];
        $rsp->{node}->[0]->{errorcode} = [1];
        $callback->($rsp);
        return $rsp;
    }
    #################################
    # Get attributes
    #################################
    my ($att) = $tabs{ppc}->getNodeAttribs($node, @attribs);

    if (!defined($att)) {

        #return( sprintf( $errmsg{NODE_UNDEF}, "ppc" ));
        $rsp->{node}->[0]->{error}     = ["node is not defined in ppc table"];
        $rsp->{node}->[0]->{errorcode} = [1];
        $callback->($rsp);
        return $rsp;
    }
    #################################
    # Verify required attributes
    #################################
    foreach my $at (@attribs) {
        if (!exists($att->{$at})) {

            #return( sprintf( $errmsg{NO_ATTR}, $at, "ppc" ));
            $rsp->{node}->[0]->{error} = ["Can't find node tarribute $at in ppc table"];
            $rsp->{node}->[0]->{errorcode} = [1];
            $callback->($rsp);
            return $rsp;
        }
    }
    #################################
    # Find MTMS in vpd database
    #################################
    my @attrs = qw(mtm serial);
    my ($vpd) = $tabs{vpd}->getNodeAttribs($att->{parent}, \@attrs);

    if (!defined($vpd)) {

        #return( sprintf( $errmsg{NODE_UNDEF}, "vpd" ));
        $rsp->{node}->[0]->{error} = ["Can't find node tarribute in vpd table"];
        $rsp->{node}->[0]->{errorcode} = [1];
        $callback->($rsp);
        return $rsp;
    }
    ################################
    # Verify both vpd attributes
    ################################
    foreach (@attrs) {
        if (!exists($vpd->{$_})) {

            #return( sprintf( $errmsg{NO_ATTR}, $_, "vpd" ));
            $rsp->{node}->[0]->{error} = ["Can't find node tarribute in vpd table"];
            $rsp->{node}->[0]->{errorcode} = [1];
            $callback->($rsp);
            return $rsp;
        }
    }
    ################################
    # Get username and passwd
    ################################
    my $hwtype = "hmc";
    my $host;
    if ($otherhcp) {
        $host = $otherhcp;
    } else {
        $host = $att->{hcp};
    }
    my @cred = xCAT::PPCdb::credentials($host, $hwtype);
    if (!(@cred))
    {
        $rsp->{node}->[0]->{error} = ["Can't username and passwd for the hmc"];
        $rsp->{node}->[0]->{errorcode} = [1];
        $callback->($rsp);
        return $rsp;
    }

    $rsp = { node => [ { name => [$node] } ] };
    $rsp->{node}->[0]->{mtms}->[0]   = "$vpd->{mtm}*$vpd->{serial}";
    $rsp->{node}->[0]->{host}->[0]   = $host;
    $rsp->{node}->[0]->{lparid}->[0] = $att->{id};
    $rsp->{node}->[0]->{cred}->[0]   = join ',', @cred;
    $callback->($rsp);
    return $rsp;
}

##########################################################################
# generate hardware tree, called from lstree.
##########################################################################
sub genhwtree
{
    my $nodelist = shift;    # array ref
    my $callback = shift;
    my %hwtree;

    # read ppc table
    my $ppctab = xCAT::Table->new('ppc');
    unless ($ppctab)
    {
        my $rsp = {};
        $rsp->{data}->[0] = "Can not open ppc table.\n";
        xCAT::MsgUtils->message("E", $rsp, $callback, 1);
    }

    my @entries = $ppctab->getAllNodeAttribs([ 'node', 'parent', 'hcp' ]);

##################################################################
####################refine the loop after getnodetype updated!!!!!
##################################################################

    # only handle physical hardware objects here.
    my $typehash = xCAT::DBobjUtils->getnodetype($nodelist, "ppc");
    my @ppcnodes;
    foreach (@entries) {
        push @ppcnodes, $_->{node};
    }
    my $entnodetypehash = xCAT::DBobjUtils->getnodetype(\@ppcnodes, "ppc");
    foreach my $node (@$nodelist)
    {
        # will build a hash like hmc->frame->cec
        # for old xcat defs, ppc.nodetype may be blank, should use getnodetype().
        my $ntype = $$typehash{$node};
        if ($ntype =~ /^hmc$/)
        {
            # get all objects managed by this hmc.
            foreach my $ent (@entries)
            {
                if ($ent->{hcp} =~ /$node/)
                {
                    my $type = $$entnodetypehash{ $ent->{node} };

                    # use cec as leaves
                    if ($type =~ /cec/)
                    {
                        if ($ent->{parent})
                        {
                            unless (grep(/$ent->{node}/, @{ $hwtree{$node}{ $ent->{parent} } }))
                            {
                                push @{ $hwtree{$node}{ $ent->{parent} } }, $ent->{node};
                            }
                        }
                        else
                        {
                            unless (grep(/$ent->{node}/, @{ $hwtree{$node}{0} }))
                            {
                                push @{ $hwtree{$node}{0} }, $ent->{node};
                            }
                        }
                    }
                }
            }
        }
        elsif ($ntype =~ /^frame$/)
        {
            # get frame's hcp
            my $fent = $ppctab->getNodeAttribs($node, ['hcp']);

            # get all cecs by this frame
            foreach my $ent (@entries)
            {
                if ($ent->{parent} =~ /$node/)
                {
                    unless (grep(/$ent->{node}/, @{ $hwtree{ $fent->{hcp} }{$node} }))
                    {
                        push @{ $hwtree{ $fent->{hcp} }{$node} }, $ent->{node};
                    }
                }
            }
        }
        elsif ($ntype =~ /^cec$/)
        {
            # get cec's parent
            my $cent = $ppctab->getNodeAttribs($node, [ 'hcp', 'parent' ]);
            if ($cent->{parent})
            {
                unless (grep(/$node/, @{ $hwtree{ $cent->{hcp} }{ $cent->{parent} } }))
                {
                    push @{ $hwtree{ $cent->{hcp} }{ $cent->{parent} } }, $node;
                }
            }
            else
            {
                unless (grep(/$node/, @{ $hwtree{ $cent->{hcp} }{0} }))
                {
                    push @{ $hwtree{ $cent->{hcp} }{0} }, $node;
                }
            }
        }
        else
        {
            # may add new support later?
            next;
        }
    }

    return \%hwtree;
}

1;