template_record.in 2.54 KB
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#!/usr/bin/perl -w
#
# Copyright (c) 2006 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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#
use English;
use Getopt::Std;

#
# Do some analysis.
#
sub usage()
{
    print STDOUT "Usage: template_record -e <pid/eid> <script> [args ...]\n";
    exit(-1);
}
my $optlist = "-e:";


# Configure variables.
my $TB          = "@prefix@";
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my $PROJROOT	= "@PROJROOT_DIR@";
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# Locals.
my $pid;
my $eid;

#
# Turn off line buffering on output
#
$| = 1;

#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
%options = ();
if (! getopts($optlist, \%options)) {
    usage();
}
if (defined($options{"e"})) {
    ($pid,$eid) = split(/\//, $options{"e"});
}
else {
    #
    # See if we can infer the pid/eid from the path.
    #
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    if (`pwd` =~ /^(?:\/[-\w]+)*\/$PROJROOT\/([-\w]+)\/exp\/([-\w]+)/) {
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	$pid = $1;
	$eid = $2;
	print "Using $pid/$eid\n";
    }
    else {
	usage();
    }
}
if (@ARGV < 1) {
    usage();
}
my $scriptname = shift(@ARGV);

#
# Grab the user environment variables.
#
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open(USRENV, "/$PROJROOT/$pid/exp/$eid/tbdata/environment")
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    or die("Could not open user environment file!\n");

while (<USRENV>) {
    if ($_ =~ /^(.*)=(.*)$/) {
	$ENV{$1} = $2;
    }
}

#
# Run the analysis.
# If it completes okay then schedule an event for the current time.
#
my $now = time();
my $childpid = fork();
if (! $childpid) {
    #
    # Child runs command
    #
    exec $scriptname, @ARGV;
    die("Could not exec $scriptname\n");
}

#
# Wait until child exits or until user gets bored and types ^C.
#
waitpid($childpid, 0);
if ($?) {
    exit(-1);
}

#
# Okay, ssh over to ops to run the xmlrpc client. SHould be installed locally.
#
system("$TB/bin/sslxmlrpc_client.py -m template addprogevent ".
       "  proj=$pid exp=$eid vnode='ops' when=$now ".
       "  cmd='$scriptname @ARGV'");
    
exit 0;