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				https://github.com/xcat2/xcat-core.git
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	git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@10235 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
		
			
				
	
	
		
			830 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			830 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
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#-------------------------------------------------------
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=head1
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  xCAT plugin package to handle xdsh
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   Supported command:
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         xdsh-> dsh
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         xdcp-> dcp
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=cut
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#-------------------------------------------------------
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package xCAT_plugin::xdsh;
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use strict;
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use Storable qw(dclone);
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use File::Basename;
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use File::Path;
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use POSIX;
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require xCAT::Table;
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require xCAT::Utils;
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require xCAT::MsgUtils;
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use Getopt::Long;
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require xCAT::DSHCLI;
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1;
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#-------------------------------------------------------
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=head3  handled_commands
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Return list of commands handled by this plugin
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=cut
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#-------------------------------------------------------
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sub handled_commands
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{
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    return {
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            xdsh => "xdsh",
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            xdcp => "xdsh"
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            };
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}
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#-------------------------------------------------------
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=head3  preprocess_request
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  Check and setup for hierarchy 
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=cut
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#-------------------------------------------------------
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sub preprocess_request
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{
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    my $req     = shift;
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    my $cb      = shift;
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    my $sub_req = shift;
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    my %sn;
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    my $sn;
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    my $rc = 0;
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    #if already preprocessed, go straight to request
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    if (   (defined($req->{_xcatpreprocessed}))
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        && ($req->{_xcatpreprocessed}->[0] == 1))
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    {
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        return [$req];
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    }
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    my $command = $req->{command}->[0];    # xdsh vs xdcp
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    my $nodes   = $req->{node};
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    my $service = "xcat";
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    my @requests;
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    $::tmpsyncsnfile = "/tmp/xcatrf.tmp";
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    $::RUNCMD_RC     = 0;
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    @::good_SN;
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    @::bad_SN;
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    my $syncsn = 0;                        # sync service node only if 1
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    # read the environment variables for rsync setup
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    # and xdsh -e command
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    foreach my $envar (@{$req->{env}})
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    {
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        my ($var, $value) = split(/=/, $envar, 2);
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        if ($var eq "RSYNCSNONLY")
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        {    # syncing SN, will change noderange to list of SN
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                # we are only syncing the service node ( -s flag)
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            $syncsn = 1;
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        }
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        if ($var eq "DSH_RSYNC_FILE")    # from -F flag
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        {    # if hierarchy,need to copy file to the SN
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            $::syncsnfile = $value;    # in the new /tmp/xcatrf.tmp
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        }
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        if ($var eq "DCP_PULL")        # from -P flag
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        {
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            $::dcppull = 1;            # TBD  handle pull hierarchy
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        }
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        if ($var eq "DSHEXECUTE")      # from xdsh -e flag
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        {
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            $::dshexecutecmd = $value;   # Handle hierarchy 
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            my @cmd = split(/ /, $value); # split off args, if any
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            $::dshexecute = $cmd[0];      # This is the executable file 
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        }
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    }
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    # there are nodes in the xdsh command, not xdsh  to an image
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    if ($nodes)
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    {
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        # find service nodes for requested nodes
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        # build an individual request for each service node
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        # find out the names for the Management Node
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        my @MNnodeinfo   = xCAT::Utils->determinehostname;
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        my $MNnodename   = pop @MNnodeinfo;                  # hostname
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        my @MNnodeipaddr = @MNnodeinfo;                      # ipaddresses
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        $::mnname = $MNnodeipaddr[0];
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        $::SNpath;    # syncfile path on the service node
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        $sn = xCAT::Utils->get_ServiceNode($nodes, $service, "MN");
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        my @snodes;
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        my @snoderange;
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        # check to see if service nodes and not just the MN
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        # if just MN or I am on a Service Node, then no hierarchy to deal with
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        if (! (xCAT::Utils->isServiceNode())) {  # not on a servicenode 
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          if ($sn)
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          {
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            foreach my $snkey (keys %$sn)
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            {
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                if (!grep(/$snkey/, @MNnodeipaddr))
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                {     # if not the MN
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                    push @snodes, $snkey;
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                    $snoderange[0] .= "$snkey,";
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                    chop $snoderange[0];
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                }
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            }
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          }
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        }
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        # if servicenodes and (if xdcp and not pull function or xdsh -e)
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        # send command to service nodes first and process errors
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        # return an array  of good service nodes
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        #
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        my $synfiledir;
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        if (@snodes)    # service nodes
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        {
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            # if xdcp and not pull function or xdsh -e
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            if ((($command eq "xdcp") && ($::dcppull == 0)) or ($::dshexecute))
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            {
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                # get the directory on the servicenode to put the  files in
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                my @syndir = xCAT::Utils->get_site_attribute("SNsyncfiledir");
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                if ($syndir[0])
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                {
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                    $synfiledir = $syndir[0];
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                }
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                else
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                {
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                    $synfiledir = "/var/xcat/syncfiles";    # default
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                }
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                # setup the service node with the files to xdcp to the
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                # compute nodes
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                if ($command eq "xdcp"){
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                  $rc =
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                    &process_servicenodes_xdcp($req, $cb, $sub_req, \@snodes,
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                                        \@snoderange, $synfiledir);
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                  # fatal error need to stop
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                  if ($rc != 0)
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                  {
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                     return;
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                  }
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                } else {  # xdsh -e
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                   $rc =
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                    &process_servicenodes_xdsh($req, $cb, $sub_req, \@snodes,
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                                        \@snoderange, $synfiledir);
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                   # fatal error need to stop
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                   if ($rc != 0)
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                   {
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                      return;
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                   }
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                }
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            }
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            else
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            {    # command is xdsh ( not -e)  or xdcp pull
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                @::good_SN = @snodes;    # all good service nodes for now
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            }
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        }
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        else
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        {                                # no servicenodes, no hierarchy
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                                         # process here on the MN
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            &process_request($req, $cb, $sub_req);
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            return;
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        }
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        # if  hierarchical work still to do
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        # Note there may still be a mix of nodes that are service from
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        # the MN and nodes that are serviced from the SN, for example
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        # a dsh to a list of servicenodes and nodes in the noderange.
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        if ($syncsn == 0)    # not just syncing (-s) the service nodes
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                             # taken care of in process_servicenodes
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        {
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            foreach my $snkey (keys %$sn)
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            {
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                # if it is not being service by the MN
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                if (!grep(/$snkey/, @MNnodeipaddr))
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                {
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                    # if it is a good SN, one ready to service the nodes
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                    if (grep(/$snkey/, @::good_SN))
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                    {
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                        my $noderequests =
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                            &process_nodes($req, $sn, $snkey,$synfiledir);
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                        push @requests, $noderequests;    # build request queue
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                    }
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                }
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                else    # serviced by the MN, then
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                {       # just run normal dsh dcp
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                    my $reqcopy = {%$req};
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                    $reqcopy->{node}                   = $sn->{$snkey};
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                    $reqcopy->{'_xcatdest'}            = $snkey;
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                    $reqcopy->{_xcatpreprocessed}->[0] = 1;
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                    push @requests, $reqcopy;
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                }
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            }    # end foreach
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        }    # end syncing  nodes
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    }
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    else     # no nodes on the command
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    {        # running on local image
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        return [$req];
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    }
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    return \@requests;
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}
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#-------------------------------------------------------
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=head3  process_servicenodes_xdcp
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  Build the xdcp command to send to the service nodes first 
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  Return an array of servicenodes that do not have errors 
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  Returns error code:
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  if  = 0,  good return continue to process the
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	  nodes.
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  if  = 1,  global error need to quit
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=cut
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#-------------------------------------------------------
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sub process_servicenodes_xdcp
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{
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    my $req        = shift;
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    my $callback   = shift;
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    my $sub_req    = shift;
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    my $sn         = shift;
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    my $snrange    = shift;
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    my $synfiledir = shift;
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    my @snodes     = @$sn;
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    my @snoderange = @$snrange;
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    my $args;
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    $::RUNCMD_RC = 0;
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    my $cmd = $req->{command}->[0];
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    # if xdcp -F command (input $syncsnfile) and service nodes first need
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    #   to be rsync to the
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    #  $synfiledir  directory
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    if ($::syncsnfile)
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    {
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        if (!-f $::syncsnfile)
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        {    # syncfile does not exist,  quit
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            my $rsp = {};
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            $rsp->{data}->[0] = "File:$::syncsnfile does not exist.";
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            xCAT::MsgUtils->message("E", $rsp, $callback, 1);
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            return (1);    # process no service nodes
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        }
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        # xdcp rsync each of the files contained in the -F syncfile to
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        # the service node first to the site.SNsyncfiledir directory
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        #change noderange to the service nodes
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        # sync each one and check for error
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        # if error do not add to good_SN array, add to bad_SN
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        foreach my $node (@snodes)
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        {
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            # run the command to each servicenode
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            # xdcp <sn> -s -F <syncfile>
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            my @sn = ();
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            # handle multiple servicenodes for one node
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            my @sn_list = split ',', $node;
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            foreach my $snode (@sn_list) {
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             push @sn, $snode;
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            }
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            # don't use runxcmd, because can go straight to process_request,
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            # these are all service nodes. Also servicenode is taken from
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            # the noderes table and may not be the same name as in the nodelist
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            # table, for example may be an ip address.
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            # here on the MN
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            my $addreq;
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            $addreq->{'_xcatdest'}  = $::mnname;
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            $addreq->{node}         = \@sn;
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            $addreq->{noderange}    = \@sn;
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            $addreq->{arg}->[0]     = "-s";
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            $addreq->{arg}->[1]     = "-F";
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            $addreq->{arg}->[2]     = $::syncsnfile;
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            $addreq->{command}->[0] = $cmd;
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            $addreq->{cwd}->[0]     = $req->{cwd}->[0];
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            $addreq->{env}          = $req->{env};
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            &process_request($addreq, $callback, $sub_req);
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            if ($::FAILED_NODES == 0)
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            {
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                push @::good_SN, $node;
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            }
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            else
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            {
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                push @::bad_SN, $node;
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            }
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        }    # end foreach good servicenode
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        # for all the service nodes that are still good
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        # need to xdcp rsync file( -F input)
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        # to the service node  to the /tmp/xcatrf.tmp file
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        my @good_SN2 = @::good_SN;
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        @::good_SN = ();
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        foreach my $node (@good_SN2)
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        {
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            my @sn = ();
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            push @sn, $node;
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            # run the command to each good servicenode
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            # xdcp <sn> <syncfile> <tmp/xcatrf.tmp>
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            my $addreq;
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            $addreq->{'_xcatdest'}  = $::mnname;
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            $addreq->{node}         = \@sn;
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            $addreq->{noderange}    = \@sn;
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            $addreq->{arg}->[0]     = "$::syncsnfile";
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            $addreq->{arg}->[1]     = "$::tmpsyncsnfile";
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            $addreq->{command}->[0] = $cmd;
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            $addreq->{cwd}->[0]     = $req->{cwd}->[0];
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            $addreq->{env}          = $req->{env};
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            &process_request($addreq, $callback, $sub_req);
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            if ($::FAILED_NODES == 0)
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            {
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                push @::good_SN, $node;
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            }
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            else
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            {
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                push @::bad_SN, $node;
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            }
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        }    # end foreach good service node
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    }    # end  xdcp -F
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    else
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    {
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        # if other xdcp commands, and not pull function
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        # mk the directory on the SN to hold the files
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        # to be sent to the SN.
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        # build a command to update the service nodes
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        # change the destination to the tmp location on
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        # the service node
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        # hierarchical support for pull (TBD)
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        #make the needed directory on the service node
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        # create new directory for path on Service Node
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        # xdsh  <sn> mkdir -p $SNdir
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        my $frompath = $req->{arg}->[-2];
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        $::SNpath = $synfiledir;
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        $::SNpath .= $frompath;
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        my $SNdir;
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        $SNdir = dirname($::SNpath);    # get directory
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        foreach my $node (@snodes)
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        {
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            my @sn = ();
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            # handle multiple servicenodes for one node
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            my @sn_list = split ',', $node;
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            foreach my $snode (@sn_list) {
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             push @sn, $snode;
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            }
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            # run the command to each servicenode
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            # to make the directory under the temporary
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            # SNsyncfiledir to hold the files that will be
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            # sent to the service nodes
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            # xdsh <sn> mkdir -p <SNsyncfiledir>/$::SNpath
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            my $addreq;
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            $addreq->{'_xcatdest'}  = $::mnname;
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            $addreq->{node}         = \@sn;
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            $addreq->{noderange}    = \@sn;
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            $addreq->{arg}->[0]     = "mkdir ";
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            $addreq->{arg}->[1]     = "-p ";
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            $addreq->{arg}->[2]     = $SNdir;
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            $addreq->{command}->[0] = 'xdsh';
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            $addreq->{cwd}->[0]     = $req->{cwd}->[0];
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            $addreq->{env}          = $req->{env};
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            &process_request($addreq, $callback, $sub_req);
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            if ($::FAILED_NODES == 0)
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            {
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                push @::good_SN, $node;
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            }
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            else
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            {
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                push @::bad_SN, $node;
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            }
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        }    # end foreach good servicenode
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 | 
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        # now xdcp file to the service node to the new
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        # tmp path
 | 
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 | 
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        # for all the service nodes that are still good
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        my @good_SN2 = @::good_SN;
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        @::good_SN = ();
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        foreach my $node (@good_SN2)
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        {
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            my @sn;
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            push @sn, $node;
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            # copy the file to each good servicenode
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            # xdcp <sn> <file> <SNsyncfiledir/../file>
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            my $addreq = dclone($req);    # get original request
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            $addreq->{arg}->[-1] = $SNdir;    # change to tmppath on servicenode
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            $addreq->{'_xcatdest'} = $::mnname;
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            $addreq->{node}        = \@sn;
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            $addreq->{noderange}   = \@sn;
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            &process_request($addreq, $callback, $sub_req);
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 | 
						|
            if ($::FAILED_NODES == 0)
 | 
						|
            {
 | 
						|
                push @::good_SN, $node;
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                push @::bad_SN, $node;
 | 
						|
            }
 | 
						|
 | 
						|
        }    # end foreach good service node
 | 
						|
    }
 | 
						|
 | 
						|
    # report bad service nodes]
 | 
						|
    if (@::bad_SN)
 | 
						|
    {
 | 
						|
        my $rsp = {};
 | 
						|
        my $badnodes;
 | 
						|
        foreach my $badnode (@::bad_SN)
 | 
						|
        {
 | 
						|
            $badnodes .= $badnode;
 | 
						|
            $badnodes .= ", ";
 | 
						|
        }
 | 
						|
        chop $badnodes;
 | 
						|
        my $msg =
 | 
						|
          "\nThe following servicenodes: $badnodes have errors and cannot be updated\n Until the error is fixed, xdcp will not work to nodes serviced by these service nodes.";
 | 
						|
        $rsp->{data}->[0] = $msg;
 | 
						|
        xCAT::MsgUtils->message("D", $rsp, $callback);
 | 
						|
    }
 | 
						|
    return (0);
 | 
						|
}
 | 
						|
#-------------------------------------------------------
 | 
						|
 | 
						|
=head3  process_servicenodes_xdsh
 | 
						|
  Build the xdsh command to send the -e file 
 | 
						|
  The executable must be copied into /var/xcat/syncfiles, and then
 | 
						|
  the command modified so that the xdsh running on the SN will cp the file
 | 
						|
  from /var/xcat/syncfiles to the compute node /tmp directory and run it.
 | 
						|
  Return an array of servicenodes that do not have errors 
 | 
						|
  Returns error code:
 | 
						|
  if  = 0,  good return continue to process the
 | 
						|
	  nodes.
 | 
						|
  if  = 1,  global error need to quit
 | 
						|
 | 
						|
=cut
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
sub process_servicenodes_xdsh
 | 
						|
{
 | 
						|
 | 
						|
    my $req        = shift;
 | 
						|
    my $callback   = shift;
 | 
						|
    my $sub_req    = shift;
 | 
						|
    my $sn         = shift;
 | 
						|
    my $snrange    = shift;
 | 
						|
    my $synfiledir = shift;
 | 
						|
    my @snodes     = @$sn;
 | 
						|
    my @snoderange = @$snrange;
 | 
						|
    my $args;
 | 
						|
    $::RUNCMD_RC = 0;
 | 
						|
    my $cmd = $req->{command}->[0];
 | 
						|
 | 
						|
    # if xdsh -e <executable> command, service nodes first need
 | 
						|
    #   to be rsync with the executable file to the $synfiledir
 | 
						|
    if ($::dshexecute)
 | 
						|
    {
 | 
						|
        if (!-f $::dshexecute)
 | 
						|
        {    # -e file  does not exist,  quit
 | 
						|
            my $rsp = {};
 | 
						|
            $rsp->{data}->[0] = "File:$::dshexecute does not exist.";
 | 
						|
            xCAT::MsgUtils->message("E", $rsp, $callback, 1);
 | 
						|
            return (1);    # process no service nodes
 | 
						|
        }
 | 
						|
 | 
						|
        # xdcp the executable from the xdsh -e to the service node first
 | 
						|
        # change noderange to the service nodes
 | 
						|
        # sync to each SN and check for error
 | 
						|
        # if error do not add to good_SN array, add to bad_SN
 | 
						|
 | 
						|
        # build a tmp syncfile with
 | 
						|
        # $::dshexecute -> $synfiledir . $::dshexecute
 | 
						|
        my $tmpsyncfile = POSIX::tmpnam . ".dsh";
 | 
						|
        my $destination=$synfiledir . $::dshexecute;
 | 
						|
        open(TMPFILE, "> $tmpsyncfile")
 | 
						|
                  or die "can not open file $tmpsyncfile";
 | 
						|
                print TMPFILE "$::dshexecute -> $destination\n";
 | 
						|
        close TMPFILE;
 | 
						|
        chmod 0755, $tmpsyncfile;
 | 
						|
        foreach my $node (@snodes)
 | 
						|
        {
 | 
						|
 | 
						|
            # sync the file to the SN /var/xcat/syncfiles directory
 | 
						|
            # (site.SNsyncfiledir) 
 | 
						|
            # xdcp <sn> -s -F <tmpsyncfile>
 | 
						|
  
 | 
						|
            my @sn = ();
 | 
						|
            # handle multiple servicenodes for one node
 | 
						|
            my @sn_list = split ',', $node;
 | 
						|
            foreach my $snode (@sn_list) {
 | 
						|
             push @sn, $snode;
 | 
						|
            }
 | 
						|
 | 
						|
            # don't use runxcmd, because can go straight to process_request,
 | 
						|
            # these are all service nodes. Also servicenode is taken from
 | 
						|
            # the noderes table and may not be the same name as in the nodelist
 | 
						|
            # table, for example may be an ip address.
 | 
						|
            # here on the MN
 | 
						|
            my $addreq;
 | 
						|
            $addreq->{'_xcatdest'}  = $::mnname;
 | 
						|
            $addreq->{node}         = \@sn;
 | 
						|
            $addreq->{noderange}    = \@sn;
 | 
						|
            $addreq->{arg}->[0]     = "-s";
 | 
						|
            $addreq->{arg}->[1]     = "-F";
 | 
						|
            $addreq->{arg}->[2]     = $tmpsyncfile;
 | 
						|
            $addreq->{command}->[0] = "xdcp";
 | 
						|
            $addreq->{cwd}->[0]     = $req->{cwd}->[0];
 | 
						|
            $addreq->{env}          = $req->{env};
 | 
						|
            &process_request($addreq, $callback, $sub_req);
 | 
						|
 | 
						|
            if ($::FAILED_NODES == 0)
 | 
						|
            {
 | 
						|
                push @::good_SN, $node;
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                push @::bad_SN, $node;
 | 
						|
            }
 | 
						|
        }    # end foreach good servicenode
 | 
						|
        # remove the tmp syncfile
 | 
						|
        `/bin/rm $tmpsyncfile`;
 | 
						|
 | 
						|
    }    # end  xdsh -E
 | 
						|
 | 
						|
    # report bad service nodes]
 | 
						|
    if (@::bad_SN)
 | 
						|
    {
 | 
						|
        my $rsp = {};
 | 
						|
        my $badnodes;
 | 
						|
        foreach my $badnode (@::bad_SN)
 | 
						|
        {
 | 
						|
            $badnodes .= $badnode;
 | 
						|
            $badnodes .= ", ";
 | 
						|
        }
 | 
						|
        chop $badnodes;
 | 
						|
        my $msg =
 | 
						|
          "\nThe following servicenodes: $badnodes have errors and cannot be updated\n Until the error is fixed, xdsh -e  will not work to nodes serviced by these service nodes. Run xdsh <servicenode,...> -c ,  to clean up the xdcp servicenode directory, and run the command again.";
 | 
						|
        $rsp->{data}->[0] = $msg;
 | 
						|
        xCAT::MsgUtils->message("D", $rsp, $callback);
 | 
						|
    }
 | 
						|
    return (0);
 | 
						|
}
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
 | 
						|
=head3  process_nodes
 | 
						|
 | 
						|
  Build the  request to send to the nodes, serviced by SN 
 | 
						|
  Return the request 
 | 
						|
 | 
						|
=cut
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
sub process_nodes
 | 
						|
{
 | 
						|
 | 
						|
    my $req     = shift;
 | 
						|
    my $sn      = shift;
 | 
						|
    my $snkey   = shift;
 | 
						|
    my $synfiledir   = shift;
 | 
						|
    my $command = $req->{command}->[0];
 | 
						|
    my @requests;
 | 
						|
 | 
						|
    # if the xdcp -F option to sync the nodes
 | 
						|
    # then for a Node
 | 
						|
    # change the command to use the -F /tmp/xcatrf.tmp
 | 
						|
    # because that is where the file was put on the SN
 | 
						|
    #
 | 
						|
    my $newSNreq = dclone($req);
 | 
						|
    if ($::syncsnfile)    # -F option
 | 
						|
    {
 | 
						|
        my $args = $newSNreq->{arg};
 | 
						|
 | 
						|
        my $i = 0;
 | 
						|
        foreach my $argument (@$args)
 | 
						|
        {
 | 
						|
 | 
						|
            # find the -F and change the name of the
 | 
						|
            # file in the next array entry to the tmp file
 | 
						|
            if ($argument eq "-F")
 | 
						|
            {
 | 
						|
                $i++;
 | 
						|
                $newSNreq->{arg}->[$i] = $::tmpsyncsnfile;
 | 
						|
                last;
 | 
						|
            }
 | 
						|
            $i++;
 | 
						|
        }
 | 
						|
    }
 | 
						|
      
 | 
						|
    else
 | 
						|
    {    # if other dcp command, change from directory
 | 
						|
            # to be the site.SNsyncfiledir
 | 
						|
            #	directory on the service node
 | 
						|
            # if not pull (-P) pullfunction
 | 
						|
            # xdsh and xdcp pull just use the input request
 | 
						|
        if (($command eq "xdcp") && ($::dcppull == 0))
 | 
						|
        {
 | 
						|
            $newSNreq->{arg}->[-2] = $::SNpath;
 | 
						|
        } else { # if xdsh -e
 | 
						|
          if ($::dshexecute) { # put in new path from SN directory
 | 
						|
            my $destination=$synfiledir . $::dshexecute;
 | 
						|
            my $args = $newSNreq->{arg};
 | 
						|
            my $i = 0;
 | 
						|
            foreach my $argument (@$args)
 | 
						|
            {
 | 
						|
               # find the -e and change the name of the
 | 
						|
               # file in the next array entry to SN offset 
 | 
						|
               if ($argument eq "-e")
 | 
						|
               {
 | 
						|
                   $i++;
 | 
						|
                   $newSNreq->{arg}->[$i] = $destination;
 | 
						|
                   last;
 | 
						|
                }
 | 
						|
                $i++;
 | 
						|
                 
 | 
						|
            }
 | 
						|
          } # end if dshexecute
 | 
						|
        } 
 | 
						|
    }
 | 
						|
    $newSNreq->{node}                   = $sn->{$snkey};
 | 
						|
    $newSNreq->{'_xcatdest'}            = $snkey;
 | 
						|
    $newSNreq->{_xcatpreprocessed}->[0] = 1;
 | 
						|
 | 
						|
    #push @requests, $newSNreq;
 | 
						|
 | 
						|
    return $newSNreq;
 | 
						|
}
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
 | 
						|
=head3  process_request
 | 
						|
 | 
						|
  Process the command
 | 
						|
 | 
						|
=cut
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
sub process_request
 | 
						|
{
 | 
						|
 | 
						|
    my $request  = shift;
 | 
						|
    my $callback = shift;
 | 
						|
    my $sub_req  = shift;
 | 
						|
    $::SUBREQ = $sub_req;
 | 
						|
 | 
						|
    my $nodes   = $request->{node};
 | 
						|
    my $command = $request->{command}->[0];
 | 
						|
    my $args    = $request->{arg};
 | 
						|
    my $envs    = $request->{env};
 | 
						|
    my $rsp     = {};
 | 
						|
 | 
						|
    # get the Environment Variables and set them in the current environment
 | 
						|
    foreach my $envar (@{$request->{env}})
 | 
						|
    {
 | 
						|
        my ($var, $value) = split(/=/, $envar, 2);
 | 
						|
        $ENV{$var} = $value;
 | 
						|
    }
 | 
						|
    # if request->{username} exists,  set DSH_FROM_USERID to it
 | 
						|
    # override input,  this is what was authenticated
 | 
						|
    if (($request->{username}) && defined($request->{username}->[0])) {
 | 
						|
       $ENV{DSH_FROM_USERID} = $request->{username}->[0];
 | 
						|
    } 
 | 
						|
    if ($command eq "xdsh")
 | 
						|
    {
 | 
						|
        xdsh($nodes, $args, $callback, $command, $request->{noderange}->[0]);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        if ($command eq "xdcp")
 | 
						|
        {
 | 
						|
            xdcp($nodes, $args, $callback, $command,
 | 
						|
                 $request->{noderange}->[0]);
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            my $rsp = {};
 | 
						|
            $rsp->{data}->[0] =
 | 
						|
              "Unknown command $command.  Cannot process the command.";
 | 
						|
            xCAT::MsgUtils->message("E", $rsp, $callback, 1);
 | 
						|
            return;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
 | 
						|
=head3  xdsh
 | 
						|
 | 
						|
   Parses Builds and runs the dsh
 | 
						|
 | 
						|
 | 
						|
=cut
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
sub xdsh
 | 
						|
{
 | 
						|
    my ($nodes, $args, $callback, $command, $noderange) = @_;
 | 
						|
 | 
						|
    $::FAILED_NODES = 0;
 | 
						|
 | 
						|
    # parse dsh input, will return $::NUMBER_NODES_FAILED
 | 
						|
    my @local_results =
 | 
						|
      xCAT::DSHCLI->parse_and_run_dsh($nodes,   $args, $callback,
 | 
						|
                                      $command, $noderange);
 | 
						|
 | 
						|
    my $maxlines = 10000;
 | 
						|
    my $arraylen = @local_results;
 | 
						|
    my $rsp      = {};
 | 
						|
    my $i        = 0;
 | 
						|
    my $j;
 | 
						|
    while ($i < $arraylen)
 | 
						|
    {
 | 
						|
 | 
						|
        for ($j = 0 ; $j < $maxlines ; $j++)
 | 
						|
        {
 | 
						|
            if ($i > $arraylen)
 | 
						|
            {
 | 
						|
                last;
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                $rsp->{data}->[$j] = $local_results[$i];    # send  max lines
 | 
						|
            }
 | 
						|
            $i++;
 | 
						|
        }
 | 
						|
        xCAT::MsgUtils->message("D", $rsp, $callback);
 | 
						|
    }
 | 
						|
 | 
						|
    # set return code
 | 
						|
    $rsp = {};
 | 
						|
    $rsp->{errorcode} = $::FAILED_NODES;
 | 
						|
    $callback->($rsp);
 | 
						|
    return;
 | 
						|
}
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
 | 
						|
=head3  xdcp
 | 
						|
 | 
						|
   Parses, Builds and runs the dcp command
 | 
						|
 | 
						|
 | 
						|
=cut
 | 
						|
 | 
						|
#-------------------------------------------------------
 | 
						|
sub xdcp
 | 
						|
{
 | 
						|
    my ($nodes, $args, $callback, $command, $noderange) = @_;
 | 
						|
 | 
						|
    $::FAILED_NODES = 0;
 | 
						|
 | 
						|
    #`touch /tmp/lissadebug`;
 | 
						|
    # parse dcp input
 | 
						|
    my @local_results =
 | 
						|
      xCAT::DSHCLI->parse_and_run_dcp($nodes,   $args, $callback,
 | 
						|
                                      $command, $noderange);
 | 
						|
    my $rsp = {};
 | 
						|
    my $i   = 0;
 | 
						|
    ##  process return data
 | 
						|
    if (@local_results)
 | 
						|
    {
 | 
						|
        foreach my $line (@local_results)
 | 
						|
        {
 | 
						|
            $rsp->{data}->[$i] = $line;
 | 
						|
            $i++;
 | 
						|
        }
 | 
						|
 | 
						|
        xCAT::MsgUtils->message("D", $rsp, $callback);
 | 
						|
    }
 | 
						|
    if (-e "/tmp/xcatrf.tmp")
 | 
						|
    {    # used tmp file for -F option
 | 
						|
            #`rm /tmp/xcatrf.tmp`;
 | 
						|
    }
 | 
						|
 | 
						|
    # set return code
 | 
						|
    $rsp = {};
 | 
						|
    $rsp->{errorcode} = $::FAILED_NODES;
 | 
						|
    $callback->($rsp);
 | 
						|
    return;
 | 
						|
}
 | 
						|
 |