subboss_tftpboot_sync.in 1.71 KB
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#!/usr/bin/perl -wT
#
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# Copyright (c) 2000-2012 University of Utah and the Flux Group.
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# 
# {{{EMULAB-LICENSE
# 
# This file is part of the Emulab network testbed software.
# 
# This file is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
# 
# This file is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public
# License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this file.  If not, see <http://www.gnu.org/licenses/>.
# 
# }}}
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#

# un-taint path
$ENV{'PATH'} = '/bin:/usr/bin:/usr/sbin:/usr/local/bin';
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};

use lib "@prefix@/lib";
use libdb;
use libtestbed;

my $excludes = '/usr/local/etc/subboss_tftpboot_sync.excludes';

sub sync_tftpboot($)
{
	my ($node_id) = @_;
	my $rsync_opts = '-r -l';
	if ( -r $excludes ) {
		$rsync_opts .= " --exclude-from=$excludes";
	}
	system("rsync $rsync_opts /tftpboot $node_id:/tftpboot");
}

my $query_result =
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	DBQueryWarn("select distinct n.node_id from nodes as n left join reserved as r on " .
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		    "n.node_id = r.node_id left join subbosses as s on " .
		    "n.node_id = s.subboss_id where r.erole = 'subboss' and " .
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	            "s.service = 'tftp' and s.disabled = 0 and n.eventstate = 'ISUP'");
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if (! $query_result) {
    fatal("Could not subboss data from DB!");
}

while (my %row = $query_result->fetchhash()) {
	sync_tftpboot($row{"node_id"});
}