GeniAggregate.pm.in 114 KB
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#!/usr/bin/perl -wT
#
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# Copyright (c) 2008-2019 University of Utah and the Flux Group.
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# 
# {{{GENIPUBLIC-LICENSE
# 
# GENI Public License
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and/or hardware specification (the "Work") to
# deal in the Work without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Work, and to permit persons to whom the Work
# is furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Work.
# 
# THE WORK IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE WORK OR THE USE OR OTHER DEALINGS
# IN THE WORK.
# 
# }}}
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#
package GeniAggregate;

#
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# Some simple aggregate stuff.
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#
use strict;
use Exporter;
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use vars qw(@ISA @EXPORT @EXPORT_OK
	    $ACTION_FLAGS_SYNCVLANS $ACTION_FLAGS_NOEVENTSTART);
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@ISA    = qw(Exporter);
@EXPORT = qw();
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# Must come after package declaration!
use GeniDB;
use GeniCredential;
use GeniCertificate;
use GeniSliver;
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use GeniSlice;
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use GeniRegistry;
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use GeniUtil;
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use GeniUser;
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use GeniComponent;
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use GeniHRN;
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use GeniResponse;
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use GeniEvent;
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use GeniXML;
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use GeniCM;
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use emutil;
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use event;
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use EmulabConstants;
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use EmulabFeatures;
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use User;
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use Node;
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use Logfile;
use libtestbed;
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use Data::Dumper;
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use English;
use overload ('""' => 'Stringify');
use XML::Simple;
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use POSIX qw(strftime);
use Time::Local;
use Date::Parse;
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# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
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my $MAINSITE       = @TBMAINSITE@;
my $ELABINELAB     = @ELABINELAB@;
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my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
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my $SIGNCRED	   = "$TB/sbin/signgenicred";
my $VERIFYCRED	   = "$TB/sbin/verifygenicred";
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my $NODEREBOOT	   = "$TB/bin/node_reboot";
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my $EVENTSYS	   = "$TB/bin/eventsys_control";
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my $VNODESETUP     = "$TB/sbin/vnode_setup";
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my $POWER          = "$TB/bin/power";
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my $OSLOAD         = "$TB/bin/os_load";
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my $OSSETUP        = "$TB/libexec/os_setup";
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my $SNMPIT         = "$TB/bin/snmpit";
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my $NAMEDSETUP     = "$TB/sbin/named_setup";
my $EXPORTS_SETUP  = "$TB/sbin/exports_setup";
my $GENTOPOFILE    = "$TB/libexec/gentopofile";
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my $GENELISTS      = "$TB/sbin/genelists";
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my $IMAGE_SETUP    = "$TB/sbin/image_setup";
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my $ARPLOCKDOWN    = "$TB/sbin/arplockdown";
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my $TARFILES_SETUP = "$TB/bin/tarfiles_setup";
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my $ELAB_SETUP     = "$TB/sbin/elabinelab";
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my $TBADB          = "$TB/bin/tbadb";
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my $PUSHROOTKEY	   = "$TB/sbin/pushrootkey";
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my $TEVC	   = "$TB/bin/tevc";
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# Cache of instances to avoid regenerating them.
my %aggregates     = ();
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BEGIN { use GeniUtil; GeniUtil::AddCache(\%aggregates); }
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# Action() flags.
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$ACTION_FLAGS_SYNCVLANS	        = 0x01;
$ACTION_FLAGS_NOEVENTSTART	= 0x02;
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@EXPORT_OK = qw($ACTION_FLAGS_SYNCVLANS $ACTION_FLAGS_NOEVENTSTART);
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sub DebugTimeStamp($)
{
    my ($message)  = @_;

    if (1) {
	print STDERR "TIMESTAMP: " . TBTimeStamp() . " $message\n";
    }
}

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#
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# Lookup by URN, idx, or uuid.
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#
sub Lookup($$)
{
    my ($class, $token) = @_;
    my $query_result;
    my $idx;

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    if (GeniHRN::IsValid($token)) {
	my ($authority, $type, $id) = GeniHRN::Parse($token);
	return undef if $type ne "sliver";
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	if( GeniHRN::Authoritative($token, "@OURDOMAIN@") ) {
	    # Very simple: we put the index of our own aggregates right
	    # in the name.
	    $idx = $id;
	} else {
	    # Look up the aggregate's certificate.
	    $token = GeniHRN::Normalise( $token );
	    $query_result = DBQueryWarn(
		"SELECT geni_aggregates.idx FROM geni_aggregates, " .
		"geni_certificates WHERE geni_aggregates.uuid = " .
		"geni_certificates.uuid AND " .
		"geni_certificates.urn='$token';" );

	    return undef if (! $query_result || !$query_result->numrows);

	    ($idx) = $query_result->fetchrow_array();
	}
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    }
    elsif ($token =~ /^\d+$/) {
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	$idx = $token;
    }
    elsif ($token =~ /^\w+\-\w+\-\w+\-\w+\-\w+$/) {
	$query_result =
	    DBQueryWarn("select idx from geni_aggregates ".
			"where uuid='$token'");
	    return undef
		if (! $query_result || !$query_result->numrows);

	    ($idx) = $query_result->fetchrow_array();
    }
    else {
	return undef;
    }
    # Look in cache first
    return $aggregates{"$idx"}
        if (exists($aggregates{"$idx"}));

    $query_result =
	DBQueryWarn("select * from geni_aggregates where idx='$idx'");
    
    return undef
	if (!$query_result || !$query_result->numrows);

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    my $self               = {};
    $self->{'AGGREGATE'}   = $query_result->fetchrow_hashref();
    $self->{'CREDENTIAL'}  = undef;
    $self->{'SLICE'}       = undef;
    $self->{'PARENT'}      = undef;
    $self->{'CERTIFICATE'} = undef;
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    # Bless into sub package if called for.
    my $type = $self->{'AGGREGATE'}->{'type'};
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    if (defined($type) && $type ne "" && $type ne "Aggregate") {
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	bless($self, $class . "::" . $type);
    }
    else {
	bless($self, $class);
    }
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    #
    # Grab the certificate, since we will probably want it.
    #
    my $uuid = $self->{'AGGREGATE'}->{'uuid'};
    my $certificate = GeniCertificate->Lookup($uuid);
    if (!defined($certificate)) {
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	if ($type eq "Aggregate") {
	    print STDERR
		"Could not find certificate for aggregate $idx ($uuid)\n";
	    return undef;
	}
    }
    else {
	$self->{'CERTIFICATE'} = $certificate;
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    }
    
    # Add to cache. 
    $aggregates{$self->{'AGGREGATE'}->{'idx'}} = $self;
    
    return $self;
}

#
# Stringify for output.
#
sub Stringify($)
{
    my ($self) = @_;
    
    my $uuid = $self->uuid();
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    my $hrn  = $self->hrn();
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    my $idx  = $self->idx();

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    return "[GeniAggregate: $hrn, IDX: $idx]";
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}

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#
# Flush from our little cache, as for the expire daemon.
#
sub Flush($)
{
    my ($self) = @_;

    delete($aggregates{$self->idx()});
}

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#
# Create a Geni aggregate in the DB. This happens on the server side only
# for now. The client side does not actually know its an aggregate, at
# least not yet.
#
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sub Create($$$$$$)
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{
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    my ($class, $slice, $owner, $aggregate_type, $hrn, $nickname) = @_;
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    my @insert_data = ();
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    my $certificate;
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    # Every aggregate gets a new unique index.
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    my $idx = TBGetUniqueIndex('next_sliver', 1);
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    # Create a cert pair, which gives us a new uuid.
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    my $urn = GeniHRN::Generate( "@OURDOMAIN@", "sliver", $idx );
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    if ($aggregate_type eq "Aggregate") {
	$certificate = GeniCertificate->Create({'urn'   => $urn,
						'hrn'   => $hrn,
						'email' => $TBOPS});

	if (!defined($certificate)) {
	    print STDERR "GeniAggregate::Create: ".
		"Could not generate new certificate and UUID for $hrn\n";
	    return undef;
	}
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    }
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    my $uuid        = (defined($certificate) ?
		       $certificate->uuid() : GeniUtil::NewUUID());
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    my $slice_uuid  = $slice->uuid();
    my $owner_uuid  = $owner->uuid();
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    $aggregate_type = "Aggregate"
    	if (! defined($aggregate_type));

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    # Now tack on other stuff we need.
    push(@insert_data, "created=now()");
    push(@insert_data, "idx='$idx'");
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    push(@insert_data, "hrn=" . DBQuoteSpecial($hrn));
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    push(@insert_data, "nickname=" . DBQuoteSpecial($nickname));
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    push(@insert_data, "uuid='$uuid'");
    push(@insert_data, "creator_uuid='$owner_uuid'");
    push(@insert_data, "slice_uuid='$slice_uuid'");
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    push(@insert_data, "type='$aggregate_type'");
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    # Start out new aggregates, as new.
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    push(@insert_data, "state='new'," .
	 "status_state_timestamp=unix_timestamp(now())");
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    # Insert into DB.
    if (!DBQueryWarn("insert into geni_aggregates set " .
		     join(",", @insert_data))) {
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	$certificate->Delete()
	    if (defined($certificate));
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	return undef;
    }
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    my $aggregate = GeniAggregate->Lookup($idx);
    return undef
	if (!defined($aggregate));

    return $aggregate;
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}
# accessors
sub field($$) { return ((! ref($_[0])) ? -1 : $_[0]->{'AGGREGATE'}->{$_[1]}); }
sub idx($)		{ return field($_[0], "idx"); }
sub uuid($)		{ return field($_[0], "uuid"); }
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sub nickname($)		{ return field($_[0], "nickname"); }
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sub resource_id($)      { return $_[0]->nickname(); }
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sub type($)		{ return field($_[0], "type"); }
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sub slice_uuid($)	{ return field($_[0], "slice_uuid"); }
sub creator_uuid($)	{ return field($_[0], "creator_uuid"); }
sub created($)		{ return field($_[0], "created"); }
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sub registered($)	{ return field($_[0], "registered"); }
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sub credential_idx($)	{ return field($_[0], "credential_idx"); }
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sub aggregate_idx($)	{ return field($_[0], "aggregate_idx"); }
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sub speaksfor_uuid($)	{ return field($_[0], "speaksfor_uuid"); }
sub speaksfor_urn($)	{ return field($_[0], "speaksfor_urn"); }
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sub status($)		{ return field($_[0], "status"); }
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sub state($)		{ return field($_[0], "state"); }
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sub status_state_timestamp($) { return field($_[0], "status_state_timestamp"); }
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sub boot_failure($)     { return field($_[0], "boot_failure"); }
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sub ErrorLog($)		{ return field($_[0], "errorlog"); }
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sub cert($)		{ return GetCertificate($_[0])->cert(); }
# Watch for aggregates that no longer get a certificate.
sub GetCertificate($)
{
    if (!defined($_[0]->{'CERTIFICATE'})) {
	print STDERR "*** No certificate for aggregate: " . $_[0] . "\n";
    }
    return $_[0]->{'CERTIFICATE'};
}
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# An alias so that slivers look like aggregates.
sub resource_type($)	{ return field($_[0], "type"); }

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# Busy if status is working (start/restart/stop/reload/reboot).
sub Working($)          { return $_[0]->status eq "working" ? 1 : 0; }

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# A place to stash a temporary rspec.
sub rspec($;$)
{
    my ($self, $rspec) = @_;

    if (defined($rspec)) {
	$self->{'RSPEC'} = $rspec;
    }
    return $self->{'RSPEC'};
}

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# Return the URN.
sub urn($)
{
    my ($self) = @_;

    return GeniHRN::Generate("@OURDOMAIN@", "sliver", $self->idx());
}
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# Name compat.
sub sliver_urn($)	{ return $_[0]->urn(); }
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#
# Destroy all the slivers in the aggregate, and then the aggregate if there
# is nothing in it. Leave it around if something goes wrong.
#
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sub Delete($$)
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{
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    my ($self, $purge) = @_;
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    my $broken = 0;

    return -1
	if (! ref($self));

    my @slivers = ();
    if ($self->SliverList(\@slivers) != 0) {
	print STDERR "Could not get sliver list for $self\n";
	return -1;
    }
    foreach my $sliver (@slivers) {
	if ($sliver->status() eq "broken") {
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	    print STDERR "Could not delete 'broken' $sliver from $self\n";
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	    $broken++;
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	    last;
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	}
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	if ($sliver->Delete($purge) != 0) {
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	    print STDERR "Could not delete $sliver from $self\n";
	    $sliver->SetStatus("broken");
	    $broken++;
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	    last;
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	}
    }
    return -1
	if ($broken);
    
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    if (GeniUsage->DestroyAggregate($self, $purge)) {
	print STDERR "GeniAggregate::Delete: ".
	    "GeniUsage->DestroyAggregate($self) failed\n";
    }
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    my $idx  = $self->idx();
    my $uuid = $self->uuid();

    DBQueryWarn("delete from geni_credentials where this_uuid='$uuid'")
	or return -1;
    DBQueryWarn("delete from geni_certificates where uuid='$uuid'")
	or return -1;
    DBQueryWarn("delete from geni_aggregates where idx='$idx'")
	or return -1;
    
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    # Delete from cache. 
    delete($aggregates{$idx});

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    return 0;
}

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#
# Cons up an hrn.
#
sub hrn($)
{
    my ($self) = @_;

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    my $hrn = field($self, "hrn");

    if (defined($hrn) && $hrn ne "") {
	return $hrn;
    }
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    return "${PGENIDOMAIN}.aggregate_" . $self->idx();
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}

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#
# Look up toplevel aggregate for a locally instantiated slice. 
#
sub SliceAggregate($$)
{
    my ($class, $slice) = @_;

    my $slice_uuid = $slice->uuid();
    my @result = ();

    my $query_result =
	DBQueryWarn("select idx from geni_aggregates ".
		    "where slice_uuid='$slice_uuid' and type='Aggregate'");
    return undef
	if (!$query_result);
    return undef
	if ($query_result->numrows != 1);

    my ($idx) = $query_result->fetchrow_array();
    my $aggregate = GeniAggregate->Lookup($idx);
    return undef
	if (!defined($aggregate));

    return $aggregate;
}

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#
# Look up a list of aggregates for a locally instantiated slice. 
# Used by the CM.
#
sub SliceAggregates($$$)
{
    my ($class, $slice, $pref) = @_;

    my $slice_uuid = $slice->uuid();
    my @result = ();

    my $query_result =
	DBQueryWarn("select idx from geni_aggregates ".
		    "where slice_uuid='$slice_uuid'");
    return -1
	if (!$query_result);

    while (my ($idx) = $query_result->fetchrow_array()) {
	my $aggregate = GeniAggregate->Lookup($idx);
	return -1
	    if (!defined($aggregate));
	push(@result, $aggregate);
    }
    @$pref = @result;
    return 0;
}

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#
# List of slivers for this aggregate.
#
sub SliverList($$)
{
    my ($self, $pref) = @_;
    my @result = ();
    
    return -1
	if (! (ref($self) && ref($pref)));

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    my $idx  = $self->idx();
    my $uuid = $self->uuid();
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    my $query_result =
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	DBQueryWarn("select idx from geni_slivers ".
		    "where aggregate_uuid='$uuid'");
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    return -1
	if (!$query_result);

    while (my ($sliver_idx) = $query_result->fetchrow_array()) {
	my $sliver = GeniSliver->Lookup($sliver_idx);
	if (!defined($sliver)) {
	    print STDERR "Could not find sliver object for $sliver_idx\n";
	    return -1;
	}
	push(@result, $sliver);
    }
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    #
    # And any aggregates that are children.
    #
    $query_result =
	DBQueryWarn("select idx from geni_aggregates ".
		    "where aggregate_idx='$idx'");
    return -1
	if (!$query_result);

    while (my ($aggregate_idx) = $query_result->fetchrow_array()) {
	my $aggregate = GeniAggregate->Lookup($aggregate_idx);
	if (!defined($aggregate_idx)) {
	    print STDERR
		"Could not find aggregate object for $aggregate_idx\n";
	    return -1;
	}
	push(@result, $aggregate);
    }
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    @$pref = @result;
    return 0;
    
}

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#
# Look for any slivers with provided state.
#
sub CheckSliverStates($$)
{
    my ($self, $state) = @_;

    my @slivers = ();
    if ($self->SliverList(\@slivers) != 0) {
	print STDERR "Could not get sliver list for $self\n";
	return -1;
    }
    foreach my $sliver (@slivers) {
	next
	    if (ref($sliver) ne "GeniSliver::Node");

	return 1
	    if ($sliver->state() eq $state);
    }
    return 0;
}

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#
# Set the aggregate for an aggregate.
#
sub SetAggregate($$)
{
    my ($self, $aggregate) = @_;

    return -1
	if (! (ref($self) && ref($aggregate)));

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    my $idx      = $self->idx();
    my $agg_idx  = $aggregate->idx();
    my $agg_uuid = $aggregate->uuid();
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    return -1
	if (!DBQueryWarn("update geni_aggregates set ".
			 "  aggregate_idx='$agg_idx' ".
			 "where idx='$idx'"));
    
    $self->{'AGGREGATE'}->{'aggregate_idx'} = $agg_idx;
    $self->{'PARENT'} = $aggregate;
    return 0;
}

#
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# Get the aggregate for an aggregate.
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#
sub GetAggregate($)
{
    my ($self) = @_;

    return undef
	if (! ref($self));

    return $self->{'PARENT'} if (defined($self->{'PARENT'}));
    return undef
	if (!defined($self->aggregate_idx()));

    my $aggregate = GeniAggregate->Lookup($self->aggregate_idx());
    if (!defined($aggregate)) {
	print STDERR "Could not get aggregate object associated with $self\n";
	return undef;
    }
    $self->{'PARENT'} = $aggregate;
    return $aggregate;
}

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#
# Is object in the aggregate.
#
sub IsMember($$)
{
    my ($self, $object) = @_;

    return -1
	if (! (ref($self) && ref($object)));

    my $aggregate = $object->GetAggregate();
    return 0
	if (!$aggregate);
    return -1
	if ($self->idx() != $aggregate->idx());
    return 1;
}

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#
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# Set the state and status for the aggregate. The goal here is to send
# just a single event when both state/status are being updated.
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#
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sub SetStateStatus($$$)
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{
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    my ($self, $state, $status) = @_;
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    return undef
	if (! ref($self));

    my $idx = $self->idx();
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    my $query_result =
	DBQueryWarn("update geni_aggregates set ".
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		    "  status='$status',state='$state', ".
		    "  status_state_timestamp=unix_timestamp(now()) ".
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		    "where idx='$idx' and ".
		    "      (status!='$status' or state!='$state')");
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    return -1
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	if (!defined($query_result));
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    $self->{'AGGREGATE'}->{'state'}  = $state;
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    $self->{'AGGREGATE'}->{'status'} = $status;
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    # Any change, send the event.
    $self->SendStatusEvent()
	if ($self->type() eq "Aggregate" && $query_result->affectedrows);

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    return 0;
}

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#
# Set the status for the aggregate.
#
sub SetStatus($$)
{
    my ($self, $status) = @_;

    return $self->SetStateStatus($self->state(), $status);
}

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#
# Set the state for the aggregate
#
sub SetState($$)
{
    my ($self, $state) = @_;

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    return $self->SetStateStatus($state, $self->status());
}
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sub SendStatusEvent($)
{
    my ($self) = @_;

    my $slice = $self->GetSlice();
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    return -1
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	if (!defined($slice));
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    my $blob = {
	"state"   => $self->state(),
	"status"  => $self->status(),
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	# Fall back to current time if no timestamp yet.
	"utc"     => $self->status_state_timestamp() || time(),
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    };
    GeniEvent->SendEvent({"type"    => "SLICESTATUS",
			  "slice"   => $slice->urn(),
			  "urn"     => $slice->urn(),
			  "details" => $blob});
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    return 0;
}

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#
# Send status events for all nodes in an aggregate and the aggregate itself.
#
sub SendAllStatusEvents($)
{
    my ($self) = @_;
    $self->SendStatusEvent();

    my @slivers = ();
    if ($self->SliverList(\@slivers) != 0) {
	print STDERR "Could not get sliver list for $self\n";
	return -1;
    }
    #
    # It would be nice to send one big event, but events have a fixed
    # max size and we would blow right by it.
    #
    foreach my $sliver (@slivers) {
	next
	    if (ref($sliver) ne "GeniSliver::Node");

	$sliver->SendStatusEvent();
    }
    return 0;
}

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#
# And the ErrorLog. These are intended to be short ...
#
sub SetErrorLog($$)
{
    my ($self, $log) = @_;
    my $safe_log = DBQuoteSpecial($log);

    return undef
	if (! ref($self));

    my $idx = $self->idx();
    
    return -1
	if (!DBQueryWarn("update geni_aggregates set ".
			 "  errorlog=$safe_log ".
			 "where idx='$idx'"));
    
    $self->{'AGGREGATE'}->{'errorlog'} = $log;
    return 0;
}

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sub SetBootFailure($;$)
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{
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    my ($self, $code) = @_;
    $code = GENIRESPONSE_SETUPFAILURE() if (!defined($code));
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    return undef
	if (! ref($self));

    my $idx = $self->idx();

    return -1
	if (!DBQueryWarn("update geni_aggregates set ".
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			 "  boot_failure='$code' ".
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			 "where idx='$idx'"));
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    $self->{'AGGREGATE'}->{'boot_failure'} = $code;
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    return 0;
}

sub ClearBootFailure($)
{
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    my ($self) = @_;

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    return undef
	if (! ref($self));

    my $idx = $self->idx();

    return -1
	if (!DBQueryWarn("update geni_aggregates set ".
			 "  boot_failure='0' ".
			 "where idx='$idx'"));
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    $self->{'AGGREGATE'}->{'boot_failure'} = 0;
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    return 0;
}

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#
# Set the registered datetime for the aggregate
#
sub SetRegistered($$)
{
    my ($self, $yesno) = @_;

    return undef
	if (! ref($self));

    my $idx = $self->idx();
    my $val = ($yesno ? "now()" : "NULL");
    
    return -1
	if (!DBQueryWarn("update geni_aggregates set ".
			 "  registered=$val ".
			 "where idx='$idx'"));
    
    return 0;
}

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#
# Set the speaksfor stuff.
#
sub SetSpeaksFor($$)
{
    my ($self, $speaksfor) = @_;
    my $idx = $self->idx();
    my $safe_speaksfor_uuid = DBQuoteSpecial($speaksfor->owner_uuid());
    my $safe_speaksfor_urn  = DBQuoteSpecial($speaksfor->owner_urn());

    print "GeniAggregate->SetSpeaksFor($self, $speaksfor)\n";

    return -1
	if (!DBQueryWarn("update geni_aggregates set ".
			 "  speaksfor_uuid=$safe_speaksfor_uuid ".
			 "where idx='$idx'"));

    $self->{'AGGREGATE'}->{'speaksfor_urn'}  = $speaksfor->owner_urn();
    $self->{'AGGREGATE'}->{'speaksfor_uuid'} = $speaksfor->owner_uuid();

    return 0;
}

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#
# Get the slice for the aggregate.
#
sub GetSlice($)
{
    my ($self) = @_;

    return undef
	if (! ref($self));

    return $self->{'SLICE'} if (defined($self->{'SLICE'}));

    if (!defined($self->slice_uuid())) {
	print STDERR "No slice associated with $self\n";
	return undef;
    }
    my $slice = GeniSlice->Lookup($self->slice_uuid());
    if (!defined($slice)) {
	print STDERR "Could not get slice object associated with $self\n";
	return undef;
    }
    $self->{'SLICE'} = $slice;
    return $slice;
}

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#
# The expiration time for an aggregate is when the slice expires.
# The DB field is ignored.
#
sub expires($)
{
    my ($self) = @_;

    return undef
	if (! ref($self));

    my $slice = $self->GetSlice();
    return undef
	if (!defined($slice));

    return $slice->expires();
}

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#
# Get the creator for the aggregate.
#
sub GetCreator($)
{
    my ($self) = @_;

    return undef
	if (! ref($self));

    if (!defined($self->creator_uuid())) {
	print STDERR "No creator associated with $self\n";
	return undef;
    }
    return GeniUser->Lookup($self->creator_uuid(), 1);
}

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#
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# Create a signed credential for this aggregate, issued to the provided user
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# The credential will grant all permissions for now.
#
# Should we store these credentials in the DB, recording what we hand out?
#
sub NewCredential($$)
{
    my ($self, $owner) = @_;

    return undef
	if (! (ref($self) && ref($owner)));

    my $credential = GeniCredential->Create($self, $owner);
    if (!defined($credential)) {
	print STDERR "Could not create credential for $self, $owner\n";
	return undef;
    }
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    # Bump expiration to avoid race with aggregate about to expire.
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    $credential->SetExpiration(time() + (24 * 3600));
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    if (defined($self->nickname())) {
	$credential->AddExtension("nickname", $self->nickname());
    }
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    if ($credential->Sign($self->GetCertificate()) != 0) {
	print STDERR "Could not sign credential for $self, $owner\n";
	return undef;
    }
    return $credential;
}

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#
# Get the manifest for an aggregate. Returns the XML string.
#
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sub GetManifest($$)
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{
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    my ($self, $asxml) = @_;
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    return undef
	if (! ref($self));

    my $slice      = $self->GetSlice();
    return undef
	if (!defined($slice));
    my $slice_uuid = $slice->uuid();

    my $query_result =
	DBQueryWarn("select manifest from geni_manifests ".
		    "where slice_uuid='$slice_uuid'");
    
    if (!$query_result || !$query_result->numrows) {
	return undef;
    }
    my ($xml) = $query_result->fetchrow_array();

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    my $manifest = GeniXML::Parse($xml);
    if (!defined($manifest)) {
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	return undef;
    }
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    #
    # Update the manifest ticket to reflect the current expiration time.
    #
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    my $valid_date = POSIX::strftime("20%y-%m-%dT%H:%M:%SZ",
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				     gmtime(str2time($slice->expires())));
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    if (GeniXML::IsVersion0($manifest)) {
	GeniXML::SetText("valid_until", $manifest, $valid_date);
    } else {
	GeniXML::SetText("expires", $manifest, $valid_date);
    }
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    return $manifest
	if (!$asxml);
    
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    $xml = GeniXML::Serialize($manifest);
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    return $xml;
}

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#
# Store a manifest back.
#
sub UpdateManifest($$)
{
    my ($self, $manifest) = @_;
    my $slice_uuid = $self->slice_uuid();
    my $manifest_string = DBQuoteSpecial(GeniXML::Serialize($manifest));

    #
    # We need the current idx. 
    #
    my $query_result =
	DBQueryWarn("select idx from geni_manifests ".
		    "where slice_uuid='$slice_uuid'");
    return -1
	if (!$query_result);

    if ($query_result->numrows) {
	my ($idx) = $query_result->fetchrow_array();
    
	DBQueryWarn("update geni_manifests set ".
		    "  manifest=$manifest_string " .
		    "where idx=$idx")
	    or return -1;
    }
    else {
	DBQueryWarn("replace into geni_manifests set ".
		    "  manifest=$manifest_string, " .
		    "  idx=NULL, slice_uuid='$slice_uuid', created=now()")
	    or return -1;
    }
    return 0;
}

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#
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# Process the manifest. Just hand off to the slivers.
#
sub ProcessManifest($$)
{
    my ($self, $manifest) = @_;

    return -1
	if (! ref($self));

    my @slivers = ();
    if ($self->SliverList(\@slivers) != 0) {
	print STDERR "Could not get sliver list for $self\n";
	return -1;
    }

    foreach my $sliver (@slivers) {
	next
	    if (ref($sliver) ne "GeniSliver::Node");

	if ($sliver->ProcessManifest($manifest) != 0) {
	    return -1;
	}
    }
    return 0;
}

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#
# Temp. 
#
sub UseOsSetup($)
{
    my ($self) = @_;
    
    my $experiment = Experiment->Lookup($self->slice_uuid());
    return 0
	if (!defined($experiment));
    my $group = $experiment->GetGroup();
    return 0
	if (!defined($group));
    my $user = User->ThisUser();
    
    return EmulabFeatures->FeatureEnabled("GeniOsSetup",
					  $user, $group, undef);
}

1040
sub Start($$;$)
1041
{
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    my ($self, $version, $flags) = @_;
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1044 1045 1046
    if ($self->UseOsSetup()) {
	return $self->ActionStart($version, $flags);
    }
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    return $self->Action($version, "start", $flags);
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}

1050
sub Restart($$;$)
1051
{
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    my ($self, $version, $flags) = @_;
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    if ($self->UseOsSetup()) {
	return $self->ActionRestart($version, $flags);
    }
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    return $self->Action($version, "restart", $flags);
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}

1060
sub Reload($$;$)
1061
{
1062
    my ($self, $version, $flags) = @_;
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    if ($self->UseOsSetup()) {
	return $self->ActionReload($version, $flags);
    }
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    return $self->Action($version, "reload", $flags);
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}

1070
#
1071
# New version of start that uses libossetup.
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#
sub ActionStart($$;$)
{
    my ($self, $version, $flags) = @_;
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    my $msg = "SliverStart: ";
    my $bootfailure_code = GENIRESPONSE_SETUPFAILURE();
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    $flags      = 0 if (!defined($flags));
    require Lan;
    require OSImage;
    require libossetup;

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    #die("Yippie");

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    # Clear last error.
    $self->SetErrorLog("");    
1087
    $self->ClearBootFailure();
1088 1089
    # Set new status so ComputeState() knows what is going on.
    $self->SetStatus("working");
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    my $experiment = Experiment->Lookup($self->slice_uuid());
    if (!defined($experiment)) {
	$msg .= "Could not map $self to its experiment";
	goto bad;
    }
    my $pid = $experiment->pid();
    my $eid = $experiment->eid();
    my $expstate = $experiment->state();

    my $group = $experiment->GetGroup();
    if (!defined($group)) {
	$msg = "Could not map $self to its experiment group";
	goto bad;
    }
    my $slice = $self->GetSlice();
    if (!defined($slice)) {
	$msg = "Could not map $self to its slice";
	goto bad;
    }
    my $creator = $self->GetCreator();
    if (!defined($creator)) {
	$msg = "Could not map $self to its creator";
	goto bad;
    }
    
    my @slivers = ();
    if ($self->SliverList(\@slivers) != 0) {
	$msg .= "Could not get sliver list for $self";
	goto bad;
    }
    my %nodes    = ();
    my @restarts = ();
    my @failed   = ();
    my $sliver;
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    my $output;
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    foreach $sliver (@slivers) {
	if (ref($sliver) ne "GeniSliver::Node") {
	    next
		if ($sliver->state() eq "started");

	    $sliver->Start($version) == 0
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		or goto bad;
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	    next;
	}
	#
	# Since this is an aggregate, some slivers may already be
	# in the started state. We skip those.
	#
	next
	    if ($sliver->state() eq "started");

	#
	# If the sliver is stopped, then we do not want to run it through
	# os_setup, we already did that when the sliver was first added.
	# Instead we want to bring it back via Restart (which handles this
	# case).
	#
	if ($sliver->state() eq "stopped") {
	    push(@restarts, $sliver);
	    next;
	}
	
	my $node = Node->Lookup($sliver->resource_id());
	if (!defined($node)) {
	    $msg .= "Could not map $sliver to a node";
	    goto bad;
	}
	my $reservation = $node->Reservation();
	if (!defined($reservation)) {
	    $msg .= "$node no longer belongs to $self";
	    goto bad;
	}
	if (!$reservation->SameExperiment($experiment)) {
	    $msg .= "$node is not reserved to $self";
	    goto bad;
	}
	$nodes{$node->node_id()} = $node;

	# Want to make sure we see fresh logs (and do not store the same log).
	$node->ClearBootLog();
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	# Must be defined for below.
	$node->_bootlog(undef);
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	# Back pointer, see below.
	$node->_sliver($sliver);

	# Add pnodes for exclusive virtual nodes that are not explicitly
	# part of the rspec. 
	if ($node->isvirtnode() && !$node->OnSharedNode()) {
	    my $physnodeid = $node->phys_nodeid();
	    if (!exists($nodes{$physnodeid})) {	    
		my $pnode = Node->Lookup($physnodeid);
		if (!defined($pnode)) {
		    $msg .= "Could not lookup $physnodeid";
		    goto bad;
		}
		# There is no sliver (might change later if in the rspec).
		$pnode->_sliver(undef);

		# Add to os_setup list.
		$nodes{$pnode->node_id()} = $pnode;

		$pnode->ClearBootLog();
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		# Must be defined for below.
		$pnode->_bootlog(undef);
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	    }
	}
    }
    # See "bad" label below.
    $sliver = undef;

    #
    # Download the images. If this fails, we have wasted our time,
    # but we want to do this after we have forked off from the parent
    # and we have returned to the client (rpc).
    #
    # All imported images are globally available, so makes no sense to
    # put them into the project of the slice. In fact, if someone else
    # in another project tried to use the same image, the update will
    # fail when PROTOGENI_LOCALUSER=1 since it was imported by another
    # real user, and the current user will not have write permission
    # on it.
    #
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    GeniUtil::ExecuteAsGeniUser("$IMAGE_SETUP -d -g -p GeniSlices $pid,$eid");
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    if ($?) {
	$msg = "Could not setup images";
	goto bad;
    }

    # The nodes will not boot locally unless there is a DNS record,
    # but we also need it before we can issue the reloads.
    if (system("$NAMEDSETUP")) {
	$msg .= "$NAMEDSETUP failed\n";
	goto bad;
    }

    if ($version >= 2) {
	#
	# Dump the manifest into the experiment directory.
	#
	my $userdir       = $experiment->UserDir();
	my $manifest_file = "$userdir/tbdata/geni_manifest";
	my $manifest      = $self->GetManifest(1);
	if ($manifest && open(MAN, ">$manifest_file")) {
	    print MAN $manifest;
	    close(MAN);
	}

	#
	# Now we need a mapping of node_id to sliver_urn.
	#
	my $mapping_file = "$userdir/tbdata/geni_mapping";
	if (open(MAP, ">$mapping_file")) {
	    foreach my $sliver (@slivers) {
		next
		    if (ref($sliver) ne "GeniSliver::Node");

		print MAP $sliver->resource_id();
		print MAP " ";
		print MAP $sliver->sliver_urn();
		print MAP "\n";
	    }
	    close(MAP);
	}
	
	if (system("$GENELISTS -c")) {
	    $msg .= "$GENELISTS failed\n";
	    goto bad;
	}
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	DebugTimeStamp("gentopofile");
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	if (system("$GENTOPOFILE $pid $eid")) {
	    $msg .= "$GENTOPOFILE failed\n";
	    goto bad;
	}
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	DebugTimeStamp("exports_setup");
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	if (system("$EXPORTS_SETUP")) {
	    $msg .= "$EXPORTS_SETUP failed\n";
	    goto bad;
	}
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	DebugTimeStamp("arplockdown");
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	if (system("$ARPLOCKDOWN ")) {
	    $msg .= "$ARPLOCKDOWN failed\n";
	    goto bad;
	}
	# The nodes will not boot locally unless there is a DNS record.
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	DebugTimeStamp("named_setup");
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	if (system("$NAMEDSETUP")) {
	    $msg .= "$NAMEDSETUP failed\n";
	    goto bad;
	}
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	DebugTimeStamp("setuportvlans");
1283
	if ($experiment->SetupPortLans()) {
1284
	    $bootfailure_code = GENIRESPONSE_SETUPFAILURE_NETWORK();
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	    $msg .= "Failed to setup shared vlan ports";
	    goto bad;
	}
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	if (!$experiment->skipvlans()) {
	    DebugTimeStamp("syncportvlans");
	    if ($experiment->SyncPortLans()) {
		$bootfailure_code = GENIRESPONSE_SETUPFAILURE_NETWORK();
		$msg .= "Failed to add ports to shared vlans";
		goto bad;
	    }
	    DebugTimeStamp("syncportvlans done");
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	}
    }
    $sliver = undef;

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    #
    # os_setup requires the expstate to be set appropriately, which we
    # generally do not do on the geni path.
    #
    $experiment->SetState(EXPTSTATE_ACTIVATING());

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    #
    # So we are going to fork and let os_setup proceed.
    #
    my $childpid = main::WrapperFork();
    if ($childpid) {
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	#
	# This indicates that while not locked, we are still busy.
	# KillMonitor operates using the cancel flag, so we should
	# be fine. 
	#
	$slice->SetMonitorPid($childpid);
	print STDERR "Monitor PID $childpid\n";
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	return 0;
    }
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    #
    # We want to let snmpit run in parallel with os_setup, like the
    # classic path does. 
    #
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    my $snmpit_child;

    if (!$experiment->skipvlans()) {
	$snmpit_child = fork();
	if ($snmpit_child) {
	    #
	    # Parent just continues on, but will wait later, we cannot
	    # return to the caller until snmpit is done. 
	    #
	    print STDERR "Forked off snmpit: process $snmpit_child\n";
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	}
	else {
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	    EventFork();
	    my $msg;
	
	    DebugTimeStamp("snmpit started");
	    if ($flags & $ACTION_FLAGS_SYNCVLANS) {
		if (Lan->CompareVlansWithSwitches2($experiment)) {
		    $msg .= "CompareVlansWithSwitches2 failed!\n";
		    goto badsnmpit;
		}
		system("$SNMPIT -X $pid $eid");
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		if ($?) {
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		    $msg .= "Failed to synchronize vlans";
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		    goto badsnmpit;
		}
	    }
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	    else {
		my @diff = ();
		my @same = ();
	    
		if (Lan->CompareVlansWithSwitches($experiment, \@diff,\@same)) {
		    print STDERR "CompareVlansWithSwitches failed!\n";
		    goto badsnmpit;
		}
		if (@diff) {
		    system("$SNMPIT -f ". join(" ", map("-o $_", @diff)));
		    if ($?) {
			$msg .= "Failed to remove obsolete VLANs.";
			goto badsnmpit;
		    }
		}
		system("$SNMPIT -t $pid $eid");
		if ($?) {
		    $msg .= "Failed to setup vlans";
		    goto badsnmpit;
		}
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	    }
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	    DebugTimeStamp("snmpit finished");
	    # Avoid END block processing
	    POSIX::_exit(0);
	    
	  badsnmpit:
	    print STDERR "Failed to setup vlans: $msg\n";
	    # Avoid END block processing
	    POSIX::_exit(-1);
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	}
    }
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    my @nodes = keys(%nodes);
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    my $rval  = 0;
    if (@nodes) {
	print STDERR "Calling os_setup @nodes\n";
	$rval = system("$OSSETUP $pid $eid @nodes");
	print STDERR "os_setup exited with status $rval\n";
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	# Update to get the disk images into the manifest.
	GeniCM::UpdateManifest($slice);
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    }
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    #
    # Check for cancelation. We skip all the logging and email.
    #
    if ($experiment->Canceled()) {
	print STDERR "ActionStart canceled; terminating early!\n";

	# Mark all thee nodes as canceled (which really means failure).
	foreach my $node (values(%nodes)) {
	    $node->_sliver()->SetStatus("canceled")
		if (defined($node->_sliver()));
	}
	# Reset before return; do not want it left.
	$slice->LockTables();
	# Do this first so others know we are reacting to the cancel.
	$slice->ClearMonitorPid();
	$experiment->SetCancelFlag(0);
	$slice->UnLockTables();
	$msg = "canceled; terminating early";
	goto bad;
    }

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    #
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    # See what nodes succeeded or failed. We want to hold off setting
    # the new state on the slivers until the end so that we do not flip
    # aggregate status to ready before we actually finish up in here. 
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    #
    foreach my $node_id (keys(%nodes)) {
	my $node = $nodes{$node_id};
	$node->Refresh();

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	# os_setup will set failed nodes to this state.
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	if ($node->allocstate() eq TBDB_ALLOCSTATE_DOWN()) {
	    push(@failed, $node);
	    $node->_sliver()->SetState("failed")
		if (defined($node->_sliver()));
	}
	else {
	    $node->_sliver()->SetState("started")
		if (defined($node->_sliver()));
	}
	if (grep {$_ eq $node->eventstate()}
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	    (TBDB_NODESTATE_TBFAILED, TBDB_NODESTATE_RELOADFAILED)) {
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	    my $bootlog;
	    if ($node->GetBootLog(\$bootlog) == 0 && $bootlog ne "") {
		my $logfile = Logfile->CreateFromString($group, $bootlog);
		if (defined($logfile)) {
		    $logfile->SetMetadata([["bootlog"   , $node->node_id()],
					   ["Method",     "reboot $node_id"],
					   ["slice_idx" , $slice->idx()],
					   ["slice_urn" , $slice->urn()],
					   ["slice_uuid", $slice->uuid()]], 1);
                     # Anon users can view the log if they know the secret id. 
		    $logfile->SetPublic(1);
		    $logfile->Store();
		    $node->_bootlog($logfile);
		}
	    }
	}
    }
    #
    # Notify.
    #
    if (@failed) {
	my $name   = $creator->name();
	my $email  = $creator->email();
	my $count  = scalar(@failed);
	my $urn    = $slice->urn();
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	my $purl   = $slice->GetPortalURL();
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	my $logs   = "";

	foreach my $node (@failed) {
	    next
		if (!defined($node->_bootlog()));

	    $logs .= sprintf("%-15s : %s\n",
			     $node->node_id(), $node->_bootlog()->URL());
	}

	SENDMAIL("$name <$email>", "$count nodes failed to boot",
		 "Nodes:\n".
		 "  " . join(" ", @failed) . "\n".
		 "in $urn failed.\n\n" .
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		 ($logs ne "" ? "$logs\n\n" : "") .
		 (defined($purl) ? "$purl\n" : ""),
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		 $TBOPS, "Cc: $TBOPS");
    }
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    #
    # Must wait for snmpit to finish before we do anything else.
    #
    if (defined($snmpit_child)) {
	print STDERR "Waiting for snmpit process to finish\n";

	my $kid = waitpid($snmpit_child, 0);
	if ($kid == $snmpit_child) {
	    if ($?) {
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		$msg .= "Failed to set up experimental networks\n";
		$bootfailure_code = GENIRESPONSE_SETUPFAILURE_NETWORK();
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		goto bad;
	    }
	    else {
		print STDERR "Waiting for snmpit process done\n";
	    }
	}
	else {
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	    $bootfailure_code = GENIRESPONSE_SETUPFAILURE_NETWORK();
	    $msg .= "Waitpid for snmpit process problem: $kid";
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	    goto bad;
	}
    }
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    if ($rval < 0) {
	# More serious error. Otherwise if its just that some nodes
	# failed, we will catch that below.
	$bootfailure_code = GENIRESPONSE_SETUPFAILURE_OSSETUP();
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	$msg .= "Unable to OS setup nodes\n";
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	goto bad;
    }

    #
    # Before we fire off any async activity, push out any experiment
    # specific root private key.
    #
    my $privkey = $experiment->GetPrivkey();
    if ($privkey) {
	print STDERR "Pushing per-experiment root private key.\n";
	system("$PUSHROOTKEY -e $pid/$eid");
	if ($?) {
	    print STDERR "*** Could not push private key, ".
		"this may cause problems!\n";
	}
    }
    
    # Waiting is done. 
    if ($experiment->elab_in_elab()) {
	#
	# We cannot use ComputeState since it knows about elabinelab,
	# we need to know that all the nodes are ISUP, so we used the
	# @failed list returned from WaitForNodes().n
	#
	if (@failed) {
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	    $msg .= "Some nodes did not boot, not doing elabinelab setup";
	    goto bad;
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	}
	print STDERR "Setting up elabinelab. This could take a while!\n";
	if (system("$ELAB_SETUP $pid $eid")) {
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	    $msg .= "Failed to setup elabinelab!";
	    goto bad;
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	}
    }
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    elsif (($flags & $ACTION_FLAGS_NOEVENTSTART) == 0 && !@failed) {
	#
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	# Start the event scheduler. Note that the experiment is not
	# in the ACTIVE state, so the scheduler will not send the start
	# event. We do that explicitly.
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	#
	system("$EVENTSYS start $pid,$eid");
	if ($?) {
	    $msg .= "Failed to (re)start the event system";
	    if ($TB ne "/usr/testbed") {
		# Not sure why this is failing.
		print STDERR "$msg\n";
	    }
	    else {
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		$bootfailure_code = GENIRESPONSE_SETUPFAILURE_EVENTSYS();
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		goto bad;
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	    }
	}
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	print STDERR "Starting event time\n";
	system("$TEVC -e $pid/$eid now __ns_sequence start");
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    }
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    if (0) {
	# Testing.
	@failed = values(%nodes);
    }
    if (@failed) {
	my @node_ids = map { $_->node_id() } @failed;
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	$self->SetBootFailure(GENIRESPONSE_SETUPFAILURE_BOOTFAILED());
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	$self->SetErrorLog("The following nodes failed to setup: " .
			   join(" ", @node_ids));
    }
    elsif (0) {
	# Testing.
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	$self->SetBootFailure(GENIRESPONSE_SETUPFAILURE_NETWORK);
	$self->SetErrorLog("Testing network failure");
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    }
    # This has to be last so that SliverStatus() does not hand back a
    # ready or failed state until we are fully done here.
    $self->SetStatus("mixed");
    $self->ComputeState();
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    $experiment->SetState($expstate);
    $slice->ClearMonitorPid();
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    # in case we were canceled by DeleteSlice()
    $experiment->SetCancelFlag(0);
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    return 0;

  bad:
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    $self->SetBootFailure($bootfailure_code);
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    if (defined($msg)) {
	$self->SetErrorLog($msg);
	print STDERR "$msg\n";
    }
    # Mark the offending sliver as failed.
    if (defined($sliver)) {
	$sliver->SetStatus("failed");
	$sliver->SetErrorLog($msg)
	    if (defined($msg));
    }
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    if ($self->status() eq "working") {
	$self->SetStatus("mixed");
	$self->ComputeState();
    }
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    $experiment->SetState($expstate);
    $slice->ClearMonitorPid();
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    # in case we were canceled by DeleteSlice()
    $experiment->SetCancelFlag(0);
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    return -1;
}

#
# Reload all slivers. 
#
sub ActionReload($$;$)
{
    my ($self, $version, $flags) = @_;
    my @reload = ();

    my @slivers = ();
    if ($self->SliverList(\@slivers) != 0) {
	$self->SetErrorLog("Could not get sliver list for $self");
	return -1;
    }
    foreach my $sliver (@slivers) {
	next
	    if (ref($sliver) ne "GeniSliver::Node" &&
		ref($sliver) ne "GeniSliver::Vhost");
	
	push(@reload, $sliver);
    }

    #
    # Since this was an aggregate level reload, we have already forked
    # from the parent. Hand it off to BatchAction() to take care of the
    # rest, reload is simple so just pass it all the slivers. 
    #
    return $self->BatchAction("reload", @reload);
}

#
# Restart all slivers that need to be restarted.
#
sub ActionRestart($$;$)
{
    my ($self, $version, $flags) = @_;
    my @restart = ();

    my @slivers = ();
    if ($self->SliverList(\@slivers) != 0) {
	$self->SetErrorLog("Could not get sliver list for $self");
	return -1;
    }
    foreach my $sliver (@slivers) {
	next
	    if (ref($sliver) ne "GeniSliver::Node" &&
		ref($sliver) ne "GeniSliver::Vhost");
	
	push(@restart, $sliver);
    }

    #
    # Since this was an aggregate level reload, we have already forked
    # from the parent. Hand it off to BatchAction() to take care of the
    # rest, reload is simple so just pass it all the slivers. 
    #
    return $self->BatchAction("restart", @restart);
}

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#
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# Start/Restart/reload all the slivers in the aggregate. Start is
# special since it sorta means reboot, and the only thing we reboot
# are nodes. And, since we might have multiple vnodes on a pnode, we
# want to be efficient about it.
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#
# XXX Is is assumed that there is a single toplevel aggregate for the
# slice, so we can get all the nodes.
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1676
#
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sub Action($$$;$)
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1678
{
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    my ($self, $version, $action, $flags) = @_;
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    my $msg = "Internal Error: ";
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    my $bootfailure_code = GENIRESPONSE_SETUPFAILURE();
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    my $restart = ($action eq "restart" ? 1 : 0);
    my $reload  = ($action eq "reload" ? 1 : 0);
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    $flags      = 0 if (!defined($flags));
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    require Lan;
1686
    require OSImage;
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    return -1
	if (! ref($self));

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    # Clear last error.
    $self->SetErrorLog("");    
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    $self->ClearBootFailure();
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    # Set new status so ComputeState() knows what is going on.
    $self->SetStatus("working");
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    my $experiment = Experiment->Lookup($self->slice_uuid());
    if (!defined($experiment)) {
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	$msg .= "Could not map $self to its experiment";
	goto bad;
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    }
    my $pid = $experiment->pid();
    my $eid = $experiment->eid();

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    my $slice = $self->GetSlice();
    if (!defined($slice)) {
	$msg .= "Could not map $self to its slice";
	goto bad;
    }