manage_reservations.in 36.9 KB
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#!/usr/bin/perl -w
#
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# Copyright (c) 2000-2019 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/>.
# 
# }}}
#
use English;
use strict;
use Getopt::Std;
use XML::Simple;
use Data::Dumper;
use CGI;
use POSIX ":sys_wait_h";
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use POSIX qw(:signal_h ceil);
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use Date::Parse;

#
# Back-end script to manage APT profiles.
#
sub usage()
{
    print("Usage: manage_reservations [-a <urn>] list [-u uid | -p pid]\n");
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    print("Usage: manage_reservations [-a <urn>] delete pid uuid\n");
    print("Usage: manage_reservations [-a <urn>] approve -p portal uuid\n");
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    print("Usage: manage_reservations [-a <urn>] prediction\n");
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    print("Usage: manage_reservations [-a <urn>] cancel\n");
    print("Usage: manage_reservations [-a <urn>] history [user]\n");
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    exit(-1);
}
my $optlist     = "dt:a:";
my $debug       = 0;
my $webtask_id;
my $webtask;
my $authority;
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my $aggregate;
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#
# Configure variables
#
my $TB		= "@prefix@";
my $TBOPS       = "@TBOPSEMAIL@";
my $OURDOMAIN	= "@OURDOMAIN@";
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my $ANNOUNCE    = "$TB/sbin/announce";
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my $MYURN	= "urn:publicid:IDN+${OURDOMAIN}+authority+cm";

#
# Untaint the path
#
$ENV{'PATH'} = "$TB/bin:$TB/sbin:/bin:/usr/bin:/usr/bin:/usr/sbin";
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};

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

#
# Load the Testbed support stuff.
#
use lib "@prefix@/lib";
use EmulabConstants;
use emdb;
use emutil;
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use Brand;
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use User;
use Project;
use Reservation;
use EmulabConstants;
use libEmulab;
use libtestbed;
use WebTask;
use APT_Geni;
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use APT_Aggregate;
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use APT_Instance;
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use APT_Utility;
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use GeniResponse;
use GeniUser;

# Protos
sub fatal($);
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sub UserError($);
sub ExitWithError($);
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sub DoReserve();
sub DoList();
sub DoDelete();
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sub DoApprove();
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sub DoPrediction();
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sub DoCancel();
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sub DoHistory();
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sub readfile($);
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sub AddAnnouncement($$$$$$$);
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sub DeleteAnnouncement($);
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sub RetireAnnouncement($);
sub RestoreAnnouncement($);
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sub RecordReservationRequest($$$$;$);
sub UpdateReservationRequest($$$);
my $RESERVATION_RECORD_APPROVE  = 1;
my $RESERVATION_RECORD_DELETE   = 2;
my $RESERVATION_RECORD_CANCEL   = 3;
my $RESERVATION_RECORD_UNCANCEL = 4;
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#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
my %options = ();
if (! getopts($optlist, \%options)) {
    usage();
}
if (defined($options{"t"})) {
    $webtask_id = $options{"t"};
    $webtask = WebTask->Lookup($webtask_id);
    if (!defined($webtask)) {
	fatal("Could not lookup webtask $webtask_id");
    }
    # Convenient.
    $webtask->AutoStore(1);
}
if (defined($options{"d"})) {
    $debug++;
}
if (@ARGV < 1) {
    usage();
}
my $action = shift(@ARGV);

#
# Default to local cluster
#
if (defined($options{"a"})) {
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    if (GeniHRN::IsValid($options{"a"})) {
	$aggregate = APT_Aggregate->Lookup($options{"a"});
    }
    else {
	$aggregate = APT_Aggregate->LookupByNickname($options{"a"});
    }
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}
else {
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    $aggregate = APT_Aggregate->Lookup($MYURN);
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}
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if (!defined($aggregate)) {
    fatal("Could not lookup aggregate");
}
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$authority = APT_Geni::GetAuthority($aggregate->urn());
if (!defined($authority)) {
    fatal("Could not look up authority");
}
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# In general, these calls should not take a lot of time, so reduce the
# RPC timeout value. We will adjust them below if needed.
Genixmlrpc->SetTimeout(30);
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# For credentials.
my $this_user = User->ThisUser();
if (! defined($this_user)) {
    fatal("You ($UID) do not exist!");
}
my $geniuser = GeniUser->CreateFromLocal($this_user);

if ($action eq "reserve") {
    DoReserve();
}
elsif ($action eq "list") {
    DoList();
}
elsif ($action eq "delete") {
    DoDelete();
}
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elsif ($action eq "approve") {
    DoApprove();
}
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elsif ($action eq "prediction") {
    DoPrediction();
}
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elsif ($action eq "history") {
    DoHistory();
}
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elsif ($action eq "cancel") {
    DoCancel();
}
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else {
    usage();
}
exit(0);

#
# Create a reservation.
#
sub DoReserve()
{
    #
    # We allow for a user or project argument.
    #
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    my $optlist = "t:s:e:nN:u:p:";
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    my ($start, $end, $type, $reason, $update);
    my $checkonly = 0;
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    my $portal;
    my $brand;
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    my %rpcargs = ();
    my $context;
    my ($credential,$speaksfor);
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    my $errmsg;
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    my %options = ();
    if (! getopts($optlist, \%options)) {
	usage();
    }
    usage()
	if (@ARGV < 2);
    my $project = Project->Lookup($ARGV[0]);
    my $count   = $ARGV[1];

    if (defined($options{"s"})) {
	$start = $options{"s"};
    }
    if (defined($options{"e"})) {
	$end = $options{"e"};
    }
    if (defined($options{"t"})) {
	$type = $options{"t"};
    }
    if (defined($options{"u"})) {
	$update = $options{"u"};
    }
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    if (defined($options{"p"})) {
	$portal = $options{"p"};
    }
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    if (defined($options{"N"})) {
	$reason = readfile($options{"N"});
    }
    if (defined($options{"n"})) {
	$checkonly = 1;
    }
    usage()
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	if (!defined($project));
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    # Need brand for email. No portal argument means emulab brand.
    $brand = Brand->Create($portal);
    if (!defined($brand)) {
	fatal("Bad branding");
    }
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    if (defined($update)) {
	usage()
	    if (! (defined($count) || defined($start) || defined($end)));
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    }
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    else {
	usage()
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	    if (! (defined($count) && defined($type) && defined($end)));
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	if ($type !~ /^[-\w]+$/) {
	    fatal("Type is not a string");
	}
    }
    if (defined($count) && $count !~ /^\d+$/) {
	fatal("Count is not an integer");
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    }
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    if (defined($start) &&
	!($start =~ /^\d+$/ || str2time($start))) {
	fatal("Start is not a unix timestamp or datetime");
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    }
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    if (defined($end) &&
	!($end =~ /^\d+$/ || str2time($end))) {
	fatal("End is not a unix timestamp or datetime");
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    }
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    $rpcargs{"start"} = TBDateStringGMT($start) if (defined($start));
    $rpcargs{"end"}   = TBDateStringGMT($end) if (defined($end));
    $rpcargs{"count"} = $count if (defined($count));
    $rpcargs{"type"}  = $type if (!defined($update));
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    $rpcargs{"check"} = $checkonly;
    $rpcargs{"reason"}= $reason if (defined($reason));
    $rpcargs{"update"}= $update if (defined($update));
    
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    # We can check for disabled aggregate now, nothing below matters.
    if ($aggregate->CheckStatus(\$errmsg, 1)) {
	UserError($errmsg);
    }
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    if ($this_user->IsAdmin()) {
	#
	# We do not have a very good notion of cross site admin.
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	# So first we make sure that the user exists at the cluster
	# and then we make an "admin" call as the root authority.
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	#
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	if (APT_Geni::CreatePortalUser($authority, $geniuser)) {
	    fatal("Could not create admin user at remote cluster");
	}
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	$rpcargs{"project_urn"} = $project->urn()->asString();
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	$rpcargs{"user_urn"} = $geniuser->urn()->asString();
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    }
    else {
	if (!$project->AccessCheck($this_user, TB_PROJECT_CREATEEXPT())) {
	    fatal("No permission to access reservation list for $project")
	}
	($credential,$speaksfor) =
	    APT_Geni::GenProjectCredential($project, $geniuser);
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	fatal("Could not generate credentials")
	    if (!defined($credential));
	my $credentials = [$credential->asString()];
	if (defined($speaksfor)) {
	    $credentials = [@$credentials, $speaksfor->asString()];
	}
	$rpcargs{"credentials"} = $credentials;
	$context = APT_Geni::GeniContext();
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    }
    my $response =
	APT_Geni::PortalRPC($authority, $context, "Reserve", \%rpcargs);
    if (GeniResponse::IsError($response)) {
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	# Watch for a refused error, we want to record these.
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	if ($response->code() == GENIRESPONSE_REFUSED) {
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	    RecordReservationRequest($this_user,
				     $project, $aggregate, \%rpcargs);
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	}
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	ExitWithError($response);
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    }
    print Dumper($response);
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    #
    # Exit with different status if the reservation is feasible but
    # needs to be approved. The value is a boolean indicating
    # approved.  Note that this applies even in "check" mode; the
    # approval code indicates if the request is feasible and will be
    # immediately approved.
    #
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    my $approved;
    my $uuid;
    my $idx;

    if (ref($response->value()) eq "HASH") {
	my $blob  = $response->value();
	$approved = $blob->{'approved'};
	$uuid     = $blob->{'uuid'} if (exists($blob->{'uuid'}));
	$idx      = $blob->{'idx'} if (exists($blob->{'idx'}));
	if (defined($idx) && $idx !~ /^\d*$/) {
	    fatal("Bad format for index from cluster");
	}
	if (defined($uuid) && !ValidUUID($uuid)) {
	    fatal("Bad format for uuid from cluster");
	}
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	RecordReservationRequest($this_user,
				 $project, $aggregate, \%rpcargs, $blob);
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    }
    else {
	# Backwards compat.
	$approved = $response->value();
    }
    if ($checkonly) {
	exit($approved ? 0 : 2);
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    }
    #
    # Needs to be approved, exit with special status.
    #
    # If this was not $checkonly, then we want to send email locally
    # since the email was generated to the tbops but not the portal
    # email lists.
    #
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    if (!$approved) {
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	my $this_uid   = $this_user->uid();
	my $this_email = $this_user->email();
	my $url        = $brand->wwwBase() . "/list-reservations.php";
    
	$brand->SendEmail($brand->ExtensionsEmailAddress(),
	  "Pending reservation request needs approval",
	  "A reservation request was made by $this_uid, but it needs approval.".
	  "\n\n".
	  "See: $url", $this_email);
    }
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    elsif (defined($uuid)) {
	#
	# Schedule an announcement for the user.
	#
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	AddAnnouncement($portal, $brand, $uuid, $this_user, $count, $type, $start);
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    }
    if (defined($webtask)) {
	$webtask->approved($approved);
	$webtask->idx($idx) if (defined($idx));
	$webtask->uuid($uuid) if (defined($uuid));
    }
    exit($approved ? 0 : 2);
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}

#
# Ask for a list of reservations.
#
sub DoList()
{
    #
    # We allow for a user or project argument.
    #
    my $optlist = "u:p:Ai:";
    my $anon    = 0;
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    my $uuid;
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    my $project;
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    my $user;
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    my %rpcargs = ();
    my $context;
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    my $errmsg;
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    my %options = ();
    if (! getopts($optlist, \%options)) {
	usage();
    }
    if (defined($options{"A"})) {
	$anon = 1;
    }
    if (defined($options{"i"})) {
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	$uuid = $options{"i"};
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    }
    if (defined($options{"u"})) {
	$user = User->Lookup($options{"u"});
	if (!defined($user)) {
	    fatal("No such user");
	}
	if (!$this_user->IsAdmin() && !$this_user->SameUser($user)) {
	    fatal("No permission to access reservation list for $user")
	}
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	$geniuser = GeniUser->CreateFromLocal($user);
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    }
    if (defined($options{"p"})) {
	$project = Project->Lookup($options{"p"});

	if (!defined($project)) {
	    fatal("No such project");
	}
	if (!$this_user->IsAdmin() &&
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	    !$project->AccessCheck($this_user, TB_PROJECT_CREATEEXPT())) {
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	    fatal("No permission to access reservation list for $project")
	}
    }
    if ($this_user->IsAdmin() || $anon) {
	#
	# We do not have a very good notion of cross site admin. Get
	# the entire list, we will filter here.
	#
    }
    else {
	my ($credential,$speaksfor);
	
	if (defined($project)) {
	    ($credential,$speaksfor) =
		APT_Geni::GenProjectCredential($project, $geniuser);
	}
	else {
	    ($credential,$speaksfor) =
		APT_Geni::GenUserCredential($geniuser);
	}
	fatal("Could not generate credentials")
	    if (!defined($credential));
	
	my $credentials = [$credential->asString()];
	if (defined($speaksfor)) {
	    $credentials = [@$credentials, $speaksfor->asString()];
	}
	$rpcargs{"credentials"} = $credentials;
	$context = APT_Geni::GeniContext();
    }
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    if (defined($uuid)) {
	$rpcargs{"uuid"} = $uuid;
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    }
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    # We can check for disabled aggregate now, nothing below matters.
    if ($aggregate->CheckStatus(\$errmsg, 1)) {
	UserError($errmsg);
    }
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    my $response =
	APT_Geni::PortalRPC($authority, $context, "Reservations", (\%rpcargs));
    if (GeniResponse::IsError($response)) {
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	ExitWithError($response);
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    }
    my $list = $response->value()->{'reservations'};
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    my $history = $response->value()->{'history'}
        if (exists($response->value()->{'history'}));
    
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    #
    # Map remote URNs to local projects and users. Not all of them can
    # be mapped of course, we leave those as is. 
    #
    foreach my $details (values(%$list)) {
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	my $userhrn  = GeniHRN->new($details->{'user'});
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	my $geniuser = MapUserURN($userhrn);
	if (defined($geniuser)) {
	    $details->{'remote_uid'} = $details->{'uid'};
	    $details->{'uid'}        = $geniuser->uid();
	    $details->{'uid_idx'}    = $geniuser->idx();
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	}
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	else {
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	    $details->{'remote_uid'} = $details->{'uid'};
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	}
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	my $projhrn = GeniHRN->new($details->{'project'});
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	my $project = APT_Utility::MapProjectURN($projhrn);
	if (defined($project)) {
	    $details->{'remote_pid'} = $details->{'pid'};
	    $details->{'pid'}        = $project->pid();
	    $details->{'pid_idx'}    = $project->pid_idx();
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	}
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	else {
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	    $details->{'remote_pid'} = $details->{'pid'};
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	}
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	#
	# Add these for the web interface since we are already messing
	# with the results.
	#
	$details->{'cluster_id'}  = $aggregate->nickname();
	$details->{'cluster_urn'} = $aggregate->urn();

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	# We need numbers.
	$details->{'nodes'} = int($details->{'nodes'});
	$details->{'using'} = int($details->{'using'});

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	# Backwards compat
	if (!exists($details->{'nodes'})) {
	    $details->{'nodes'} = $details->{'count'};
	}

	#
	# Hmm, undef/null is a pain with XMLRPC.
	#
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	foreach my $key ("approved", "cancel", "deleted") {
	    if (!exists($details->{$key}) || $details->{$key} eq "") {
		$details->{$key} = undef;

	    }
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	}

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	#
	# Lets calculate a utilization numbers, this will update the
	# res hash. Flag says not an active reservation.
	#
	APT_Utility::ReservationUtilization($details, 1);

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	#
	# If we have the history, then go through and map the
	# experiments to local experiments so we can link to them in
	# the web interface.
	#
	if (exists($history->{$projhrn})) {
	    foreach my $ref (@{ $history->{$projhrn} }) {
		#print Dumper($ref);
		    
		# Local experiment on the remote cluster.
		next
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		    if (!(exists($ref->{'urn'}) &&
			  exists($ref->{'slice_uuid'}) &&
			  $ref->{'slice_uuid'} ne "" && $ref->{'urn'} ne ""));
			  
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		# Already processed.
		next
		    if (exists($ref->{'instance_uuid'}));

		my $hrn = GeniHRN->new($ref->{'urn'});
		if (defined($hrn) &&
		    $hrn->domain() eq $OURDOMAIN && defined($hrn->project())) {
		    my $instance = APT_Instance->LookupBySlice($hrn);
		    if (defined($instance) &&
			$instance->slice_uuid() eq $ref->{'slice_uuid'}) {
			$ref->{'instance_uuid'} = $instance->uuid();
		    }
		}
	    }
	}
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    }
    #
    # Strip out unwanted results if we asked as an admin for a specific
    # user or project.
    #
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    if ($this_user->IsAdmin() && (defined($project) || defined($user))) {
	my $tmp = {};
	
	foreach my $key (keys(%$list)) {
	    my $details = $list->{$key};
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	    my $projhrn = $details->{'project'};
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	    if (defined($project)) {
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		if (!defined($details->{'pid_idx'}) ||
		    $details->{'pid_idx'} != $project->pid_idx()) {
		    # Kill the history entry when skipping.
		    delete($history->{$projhrn})
			if (defined($history) && exists($history->{$projhrn}));
		    next
		}
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	    }
	    else {
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		if (!defined($details->{'uid_idx'}) ||
		    $details->{'uid_idx'} != $user->uid_idx()) {
		    # Kill the history entry when skipping.
		    delete($history->{$projhrn}) 
			if (defined($history) && exists($history->{$projhrn}));
		    next
		}
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	    }
	    $tmp->{$key} = $details;
	}
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	$response->value()->{'reservations'} = $tmp;
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    }
    if (defined($webtask)) {
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	$webtask->value($response->value());
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	$webtask->Exited(0);
    }
    else {
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	print Dumper($response->value());
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    }
    exit(0);
}

#
# Delete a reservation.
#
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# This is not doing proper permission checks or credentials. Need to fix.
#
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sub DoDelete()
{
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    #
    # We allow for admins to pass a reason (deny with cause).
    #
    my $optlist = "N:";
    my $reason;
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    my $errmsg;
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    my %options = ();
    if (! getopts($optlist, \%options)) {
	usage();
    }
    if (defined($options{"N"})) {
	$reason = readfile($options{"N"});
	chomp($reason);
    }
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    usage()
	if (@ARGV != 2);
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    my $pid  = shift(@ARGV);
    my $uuid = shift(@ARGV);
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    # Check this since Reservation->Lookup() does not validate.
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    fatal("Invalid uuid")
	if (!ValidUUID($uuid));
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    my $project = Project->Lookup($pid);
    fatal("No such project")
	if (!defined($project));
    
    if (!$this_user->IsAdmin() &&
	!$project->AccessCheck($this_user, TB_PROJECT_CREATEEXPT())) {
	fatal("No permission to access reservation list for $project")
    }
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    my $blob = { "uuid" => $uuid,
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		 "project" => $project->urn()->asString()
    };
    if ($this_user->IsAdmin() && defined($reason) && $reason ne "") {
	$blob->{'reason'} = $reason;
    }
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    # We can check for disabled aggregate now, nothing below matters.
    if ($aggregate->CheckStatus(\$errmsg, 1)) {
	UserError($errmsg);
    }
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    my $response =
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	APT_Geni::PortalRPC($authority, undef, "DeleteReservation", $blob);
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    if (GeniResponse::IsError($response)) {
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	ExitWithError($response);
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    }
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    UpdateReservationRequest($aggregate, $uuid, $RESERVATION_RECORD_DELETE);
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    DeleteAnnouncement($uuid);
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    if (defined($webtask)) {
	$webtask->Exited(0);
    }
    else {
	print Dumper($response);
    }
    exit(0);
}

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#
# Approve a reservation.
#
sub DoApprove()
{
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    my $optlist = "p:F:";
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    my $portal;
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    my $errmsg;
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    my $message;
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    my %options = ();
    if (! getopts($optlist, \%options)) {
	usage();
    }
    if (defined($options{"p"})) {
	$portal = $options{"p"}
    }
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    if (defined($options{"F"})) {
	$message = readfile($options{"F"});
	chomp($message);
    }
704
    usage()
705 706
	if (@ARGV != 1 || !defined($portal));
    my $uuid = shift(@ARGV);
707 708
    
    # Check this since Reservation->Lookup() does not validate.
709 710 711 712 713 714 715
    fatal("Invalid uuid")
	if (!ValidUUID($uuid));

    my $brand = Brand->Create($portal);
    if (!defined($brand)) {
	fatal("Bad branding");
    }
716 717 718
    if (!$this_user->IsAdmin()) {
	fatal("No permission to approve reservations")
    }
719 720 721 722
    # We can check for disabled aggregate now, nothing below matters.
    if ($aggregate->CheckStatus(\$errmsg, 1)) {
	UserError($errmsg);
    }
723 724 725 726
    my $blob = {"uuid" => $uuid};
    if (defined($message) && $message ne "") {
	$blob->{'message'} = $message;
    }
727 728 729
    # PortalRPC will use the root context in this case, which is
    # essentially saying the caller is an admin.
    my $response =
730
	APT_Geni::PortalRPC($authority, undef, "ApproveReservation", $blob);
731
    if (GeniResponse::IsError($response)) {
732
	ExitWithError($response);
733
    }
734 735
    UpdateReservationRequest($aggregate, $uuid, $RESERVATION_RECORD_APPROVE);
    
736 737 738
    #
    # Schedule an announcement for the user.
    #
739
    $blob = $response->value();
740 741 742 743 744 745 746
    if (exists($blob->{'user'})) {
	my $geniuser = GeniUser->Lookup($blob->{'user'}, 1);
	if (defined($geniuser) && $geniuser->IsLocal()) {
	    AddAnnouncement($portal, $brand, $uuid, $geniuser->emulab_user(),
			    $blob->{'nodes'}, $blob->{'type'}, $blob->{'start'});
	}
    }
747 748 749 750 751 752 753 754 755
    if (defined($webtask)) {
	$webtask->Exited(0);
    }
    else {
	print Dumper($response);
    }
    exit(0);
}

756 757 758 759 760 761 762 763 764 765
#
# Schedule (or clear) reservation cancellation
#
sub DoCancel()
{
    my $optlist = "p:ce:N:";
    my $clear   = 0;
    my $when;
    my $portal;
    my $reason;
766
    my $errmsg;
767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818

    if (!$this_user->IsAdmin()) {
	fatal("No permission to schedule reservation cancellation")
    }    

    my %options = ();
    if (! getopts($optlist, \%options)) {
	usage();
    }
    if (defined($options{"N"})) {
	$reason = readfile($options{"N"});
	chomp($reason);
    }
    if (defined($options{"p"})) {
	$portal = $options{"p"}
    }
    if (defined($options{"c"})) {
	$clear = 1;
    }
    elsif (defined($options{"e"})) {
	$when = $options{"e"};
	if ($when !~ /^\d+$/) {
	    $when = str2time($when);
	    if (!defined($when)) {
		fatal("Could not parse -e option.");
	    }
	}
    }
    else {
	usage();
    }
    usage()
	if (@ARGV != 1 || !defined($portal));
    my $uuid = shift(@ARGV);
    
    # Check this since Reservation->Lookup() does not validate.
    fatal("Invalid uuid")
	if (!ValidUUID($uuid));

    my $brand = Brand->Create($portal);
    if (!defined($brand)) {
	fatal("Bad branding");
    }
    my $args = {"uuid" => $uuid};
    if ($clear) {
	$args->{"clear"} = 1;
    }
    else {
	$args->{"when"} = $when;
    }
    $args->{'reason'} = $reason if (defined($reason));

819 820 821 822
    # We can check for disabled aggregate now, nothing below matters.
    if ($aggregate->CheckStatus(\$errmsg, 1)) {
	UserError($errmsg);
    }
823 824 825 826 827
    # PortalRPC will use the root context in this case, which is
    # essentially saying the caller is an admin.
    my $response =
	APT_Geni::PortalRPC($authority, undef, "CancelReservation", $args);
    if (GeniResponse::IsError($response)) {
828
	ExitWithError($response);
829 830 831 832 833 834 835 836
    }
    if (defined($webtask)) {
	$webtask->Exited(0);
    }
    else {
	print Dumper($response);
    }
    if ($clear) {
837 838
	UpdateReservationRequest($aggregate, $uuid,
				 $RESERVATION_RECORD_UNCANCEL);
839 840 841 842
	RestoreAnnouncement($uuid);
    }
    else {
	RetireAnnouncement($uuid);
843 844
	UpdateReservationRequest($aggregate, $uuid,
				 $RESERVATION_RECORD_CANCEL);
845 846 847 848
    }
    exit(0);
}

849 850 851 852 853 854 855 856
#
# Get the prediction data.
#
sub DoPrediction()
{
    my $optlist = "p:";
    my $portal;
    my $errmsg;
857 858
    my @aggregates  = ($aggregate);
    my @authorities = ($authority);
859 860
    my @webtasks   = ();
    my @projlist   = ();
861
    my $blob       = {};
862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879

    my %options = ();
    if (! getopts($optlist, \%options)) {
	usage();
    }
    if (defined($options{"p"})) {
	$portal = $options{"p"}
    }
    # Argument is a list of projects, else we generate one for user.
    if (@ARGV) {
	foreach my $pid (@ARGV) {
	    my $project = Project->Lookup($pid);
	    if (!defined($project)) {
		fatal("No such project: $pid");
	    }
	    push(@projlist, $project->urn());
	}
    }
880
    elsif (!$this_user->IsAdmin()) {
881 882 883 884
	my @plist;
	if ($this_user->ProjectMembershipList(\@plist)) {
	    fatal("Could not get project membership list");
	}
885 886 887
	# Do not need CREATE experiment permission, just membership.
	# This solves the problem of users having "user" privs in the
	# project, but local_root in a subgroup.
888
	foreach my $project (@plist) {
889
	    push(@projlist, $project->urn());
890
	}
891
	# Okay not to be in any projects ... 
892 893 894 895 896 897 898
    }

    #
    # Portal argument says to ignore aggregate argument, and contact
    # all aggregates listed for the portal. 
    #
    if (defined($portal)) {
899 900
	@authorities = ();
	@aggregates  = ();
901 902
	
	my @list = APT_Aggregate->LookupForPortal($portal);
903
	foreach my $agg (@list) {
904
	    if ($agg->disabled()) {
905 906 907 908 909 910 911
		print STDERR "The " . $agg->name() . " cluster ".
		    "is currently disabled, please try again later.\n";
		next;
	    }
	    if (!$agg->IsUp()) {
		print STDERR "The " . $agg->name() . " cluster ".
		    "is currently offline, please try again later.\n";
912 913
		next;
	    }
914
	    my $authority = APT_Geni::GetAuthority($agg->urn());
915
	    if (!defined($authority)) {
916
		$errmsg = "Cannot lookup authority for $agg";
917 918
		goto bad;
	    }
919 920
	    push(@aggregates, $agg);
	    push(@authorities, $authority);
921
	}
922 923 924 925
	if (!@aggregates) {
	    UserError("No clusters are online, please try again later.");
	}
    }
926 927 928 929

    my $coderef = sub {
	my ($blob) = @_;
	my $authority = $blob->{"authority"};
930
	my $aggregate = $blob->{"aggregate"};
931
	my $webtask   = $blob->{"webtask"};
932
	my $errmsg;
933
	
934 935 936 937 938 939 940 941 942
	if ($aggregate->CheckStatus(\$errmsg, 1)) {
	    # Need unblessed ref to store into webtask.
	    my $response =
		GeniResponse->Create(GENIRESPONSE_SERVER_UNAVAILABLE,
				     undef, $errmsg);
	    $webtask->response($response);
	    print "$aggregate offline\n";
	    return 1;
	}
943 944 945 946 947 948 949
	# PortalRPC will use the root context in this case, which is
	# essentially saying the caller is an admin. But thats okay
	# for this call, it is just informational.
	my $response =
	    APT_Geni::PortalRPC($authority, undef,
				"ReservationPrediction",
				{"projlist" => \@projlist});
950 951 952 953
	# Need unblessed ref to store into webtask.
	$response = GeniResponse->Create($response->code(),
					 $response->value(),
					 $response->output);
954 955
	$webtask->response($response);

956 957
	if (GeniResponse::IsError($response)) {
	    # All errors are fatal.
958
	    return -1;
959 960 961
	}
	return 0;
    };
962 963 964 965 966

    #
    # Do not bother with ParRun if only one aggregate.
    #
    if (@aggregates == 1) {
967 968
	my $authority = $authorities[0];
	my $aggregate = $aggregates[0];
969
	my $temptask  = WebTask->CreateAnonymous();
970 971
	my $retval    = &$coderef({"aggregate" => $aggregate,
				   "authority" => $authority,
972
				   "webtask"   => $temptask});
973 974 975 976
	my $response = $temptask->response();
	# No longer a blessed object (see above).
	$response = GeniResponse->Bless($response);

977 978 979 980 981 982 983 984 985
	$temptask->Delete();

	if ($retval == 0) {
	    $blob->{$authority->urn()} = $response->value();
	    goto done;
	}
	ExitWithError($response);
    }
    
986 987 988 989 990 991 992 993
    #
    # Multiple aggregates, we use parrun. We need a webtask for each
    # authority to communicate the results back to the parent, who
    # then combines them all.
    #
    my @return_codes = ();
    my @agglist = ();

994 995 996 997
    while (@aggregates) {
	my $aggregate = shift(@aggregates);
	my $authority = shift(@authorities);

998
	my $temptask = WebTask->CreateAnonymous();
999
	$temptask->AutoStore(1);
1000 1001
	# For delete below.
	push(@webtasks, $temptask);
1002 1003 1004
	
	push(@agglist, {"aggregate" => $aggregate,
			"authority" => $authority,
1005 1006
			"webtask"   => $temptask});
    }
1007
    if (ParRun({"maxwaittime" => 30,
1008
		"maxchildren" => scalar(@agglist)},
1009 1010 1011 1012
	       \@return_codes, $coderef, @agglist)) {
	       
	map { $_->Delete(); } @webtasks;
	fatal("Internal error getting reservation prediction info");
1013
    }
1014
    
1015 1016 1017
    #
    # Check the exit codes, create return structure for the web interface.
    #
1018
    foreach my $ref (@agglist) {
1019
	my $code  = shift(@return_codes);
1020 1021 1022
	my $auth  = $ref->{'authority'};
	my $agg   = $ref->{'aggregate'};
	my $wtask = $ref->{'webtask'};
1023
	my $response;
1024

1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
	if ($code == SIGTERM) {
	    # Need to think about proper handling of this.
	    $response = GeniResponse->Create(GENIRESPONSE_NETWORK_ERROR,
					     GENIRESPONSE_NETWORK_ERROR_TIMEDOUT,
					     "Timed out talking to server");
	}
	else {
	    $wtask->Refresh();
	    $response = $wtask->response();
	}
1035 1036
	# No longer a blessed object (see above).
	$response = GeniResponse->Bless($response);
1037
	    
1038
	if ($code) {
1039
	    #
1040
	    # If this failed, lets not return a fatal error since
1041 1042 1043
	    # this info is informational and does not prevent the web
	    # server from operating normally.
	    #
1044
	    my $msg = "Could not get reservation data: ".
1045
		$response->error();
1046 1047 1048
	    
	    $blob->{$auth->urn()} = $msg;
	    print STDERR $msg . "\n";
1049
	}
1050
	$blob->{$auth->urn()} = $response->value();
1051
    }
1052
  done:
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
    if (defined($webtask)) {
	$webtask->value($blob);
	$webtask->Exited(0);
    }
    else {
	print Dumper($blob);
    }
    foreach my $temptask (@webtasks) {
	$temptask->Delete();
    }
    exit(0);

  bad:
    foreach my $temptask (@webtasks) {
	$temptask->Delete();
    }
    fatal($errmsg);
}

1072 1073 1074 1075 1076
#
# Get the history for a specific user.
#
sub DoHistory()
{
1077 1078
    my $optlist = "p";
    my $isproj  = 0;
1079
    my $errmsg;
1080 1081 1082
    my $blob    = {};
    my $args    = {};
    my ($user, $geniuser, $project);
1083 1084 1085 1086 1087

    my %options = ();
    if (! getopts($optlist, \%options)) {
	usage();
    }
1088 1089 1090
    if (defined($options{"p"})) {
	$isproj++;
    }
1091 1092 1093 1094 1095
    usage()
	if (@ARGV > 1);

    # Argument is a target user.
    if (@ARGV) {
1096 1097 1098 1099 1100 1101 1102 1103 1104
	if ($isproj) {
	    $project = Project->Lookup($ARGV[0]);
	    if (!defined($project)) {
		fatal("No such project");
	    }
	    if (!$this_user->IsAdmin() &&
		!$project->AccessCheck($this_user, TB_PROJECT_READINFO())) {
		fatal("No permission to access project reservation history")
	    }
1105
	}
1106 1107 1108 1109 1110 1111 1112 1113 1114
	else {
	    $user = User->Lookup($ARGV[0]);
	    if (!defined($user)) {
		fatal("No such user");
	    }
	    if (!$this_user->IsAdmin() && !$this_user->SameUser($user)) {
		fatal("No permission to access reservation history for $user")
	    }
	    $geniuser = GeniUser->CreateFromLocal($user);
1115 1116 1117 1118 1119
	}
    }
    else {
	$geniuser = GeniUser->CreateFromLocal($this_user);	
    }
1120 1121 1122 1123 1124 1125
    if ($isproj) { 
	$args = {"project_urn" => $project->urn()->asString()};
   }
    else {
	$args = {"user_urn" => $geniuser->urn()->asString()};
    }
1126 1127 1128 1129 1130 1131 1132 1133
    
    if ($aggregate->CheckStatus(\$errmsg, 1)) {
	UserError($errmsg);
    }

    # PortalRPC will use the root context in this case, which is
    # essentially saying the caller is an admin. But thats okay
    # for this call, it is just informational.
1134

1135 1136
    my $response =
	APT_Geni::PortalRPC($authority, undef,
1137
			    "ReservationHistory", $args);
1138 1139 1140 1141
    
    if (GeniResponse::IsError($response)) {
	ExitWithError($response);
    }
1142 1143

    print Dumper($response);
1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
    
    #
    # Munge the return value like we do above, converting user/proj
    # URNs to local names. One minor difference is that we know the
    # results are only for local users and projects, but lets be
    # consistent. 
    #
    my @reslist = @{ $response->value()->{'history'} };

    foreach my $res (@reslist) {
	my $userhrn  = GeniHRN->new($res->{'user'});
1155
	my $geniuser = MapUserURN($userhrn);
1156
	if ($userhrn->domain() eq $OURDOMAIN &&
1157
	    ($isproj || $userhrn->id eq $geniuser->uid())) {
1158 1159 1160
	    $res->{'remote_uid'} = $res->{'uid'};
	    $res->{'uid'}        = $geniuser->uid();
	    $res->{'uid_idx'}    = $geniuser->idx();
1161 1162 1163
	}
	my $project = APT_Utility::MapProjectURN($res->{'project'});
	if (defined($project)) {
1164 1165 1166
	    $res->{'remote_pid'} = $res->{'pid'};
	    $res->{'pid'}        = $project->pid();
	    $res->{'pid_idx'}    = $project->pid_idx();
1167 1168
	}
	else {
1169
	    $res->{'remote_pid'} = $res->{'pid'};
1170 1171 1172 1173 1174 1175 1176 1177 1178
	}

	#
	# Add these for the web interface since we are already messing
	# with the results.
	#
	$res->{'cluster_id'}  = $aggregate->nickname();
	$res->{'cluster_urn'} = $aggregate->urn();

1179 1180 1181
	# We need numbers.
	$res->{'nodes'} = int($res->{'nodes'});

1182 1183 1184 1185 1186 1187 1188
	# Backwards compat
	if (!exists($res->{'nodes'})) {
	    $res->{'nodes'} = $res->{'count'};
	}
	#
	# Hmm, undef/null is a pain with XMLRPC.
	#
1189 1190 1191 1192 1193
	foreach my $key ("approved", "cancel", "deleted") {
	    if (!exists($res->{$key}) || $res->{$key} eq "") {
		$res->{$key} = undef;

	    }
1194
	}
1195 1196 1197 1198 1199
	#
	# Lets calculate a utilization numbers, this will update the
	# res hash. Flag says not an active reservation.
	#
	APT_Utility::ReservationUtilization($res, 0);
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
    }
  done:
    if (defined($webtask)) {
	$webtask->value({"reservations" => \@reslist});
	$webtask->Exited(0);
    }
    else {
	print Dumper(@reslist);
    }
    exit(0);
  bad:
    fatal($errmsg);
}

1214 1215 1216 1217 1218 1219
sub fatal($)
{
    my ($mesg) = @_;

    if (defined($webtask)) {
	$webtask->output($mesg);
1220
	$webtask->Exited(-1);
1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
    }
    print STDERR "*** $0:\n".
	         "    $mesg\n";
    # Exit with negative status so web interface treats it as system error.
    exit(-1);
}

sub UserError($)
{
    my ($mesg) = @_;

    if (defined($webtask)) {
	$webtask->output($mesg);
1234
	$webtask->Exited(1);
1235 1236 1237 1238 1239 1240
    }
    print STDERR "*** $0:\n".
	         "    $mesg\n";
    exit(1);
}

1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270
#
# These are errors which the user might need to see. Some errors are
# exceptions though, and those we want to treat as internal errors.
#
sub ExitWithError($)
{
    my ($response) = @_;
    my $mesg = $response->error();
    my $code = $response->code();

    #
    # In general, these errors are to be expected by the caller.
    #
    if ($code == GENIRESPONSE_REFUSED ||
	$code == GENIRESPONSE_SEARCHFAILED ||
	$code == GENIRESPONSE_SERVER_UNAVAILABLE ||
	$code == GENIRESPONSE_NETWORK_ERROR ||
	$code == GENIRESPONSE_BUSY) {

	if (defined($webtask)) {
	    $webtask->output($mesg);
	    $webtask->Exited($code);
	}
	print STDERR "*** $0:\n".
	             "    $mesg\n";
	exit(1);
    }
    fatal($mesg);
}

1271 1272 1273 1274 1275 1276 1277 1278 1279
sub readfile($) {
    local $/ = undef;
    my ($filename) = @_;
    open(FILE, $filename) or fatal("Could not open $filename: $!");
    my $contents = <FILE>;
    close(FILE);
    return $contents;
}

1280 1281 1282
#
# Add or Edit a reservation announcement.
#
1283
sub AddAnnouncement($$$$$$$)
1284
{
1285 1286
    my ($portal, $brand, $uuid, $user, $nodes, $type, $start) = @_;
    my $this_uid = $user->uid();
1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319
    my $nickname = $aggregate->nickname();
    my $name     = $aggregate->name();
    my $url      = $brand->wwwBase() .
	"/reserve.php?edit=1&uuid=${uuid}&cluster=${nickname}";
    my $text = "You have a reservation at $name for $nodes $type ".
	"node(s) starting soon.";
    my $command;
    my $dateopt = "";

    #
    # If the reservation is more then 24 hours out, schedule an announcement
    # for 24 hours ahead. 
    #
    if (defined($start)) {
	if ($start !~ /^\d+$/) {
	    $start = str2time($start);
	}
	if ($start - time() > (3600 * 24)) {
	    $dateopt = "-S " . ($start - (3600 * 23));
	}
    }

    # This is awkward, the announcement stuff should be a library some day.
    my $query_result =
	emdb::DBQueryWarn("select idx from apt_announcements where uuid='$uuid'");
    return
	if (!$query_result);
    # Update mode.
    if ($query_result->numrows) {
	$command = "$ANNOUNCE -A $uuid -b 'View Reservation' ".
	    "-u '$url' $dateopt '$text'";
    }
    else {
1320
	$command = "$ANNOUNCE -a -p $portal -U $this_uid -I 4 ".
1321 1322 1323 1324 1325 1326 1327 1328 1329 1330
	    "-b 'View Reservation' -u '$url' -t $uuid $dateopt '$text'";
    }
    system($command);
}
sub DeleteAnnouncement($)
{
    my ($uuid) = @_;

    system("$ANNOUNCE -R $uuid");    
}
1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342
sub RetireAnnouncement($)
{
    my ($uuid) = @_;

    system("$ANNOUNCE -r $uuid");    
}
sub RestoreAnnouncement($)
{
    my ($uuid) = @_;

    system("$ANNOUNCE -w $uuid");    
}
1343

1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
#
# Reservation history support.
#
sub RecordReservationRequest($$$$;$)
{
    my ($user, $project, $aggregate, $details, $response) = @_;
    my $uid        = $user->uid();
    my $uid_idx    = $user->uid_idx();
    my $pid        = $project->pid();
    my $pid_idx    = $project->pid_idx();
    my $urn        = $aggregate->urn();
    my $nodes      = $details->{'count'};
    my $type       = $details->{'type'};
    my $start      = $details->{'start'};
    my $end        = $details->{'end'};
    my $reason     = $details->{'reason'};
    my $checkonly  = $details->{'check'};
    my $update     = $details->{'update'}; # reservation_uuid
    my $stamp      = time();
    my @action_sets = ();
    my @detail_sets = ();

    push(@detail_sets, "uid='$uid'");
    push(@detail_sets, "uid_idx='$uid_idx'");
    push(@detail_sets, "pid='$pid'");
    push(@detail_sets, "pid_idx='$pid_idx'");
    push(@detail_sets, "nodes='$nodes'");
    push(@detail_sets, "type='$type'");
    push(@detail_sets, "end=FROM_UNIXTIME(" . str2time($end) . ")");    
    push(@detail_sets, "start=FROM_UNIXTIME(" . str2time($start) . ")")
	if (defined($start));
    push(@detail_sets, "reason=" . DBQuoteSpecial($reason))
	if (defined($reason));
    
    push(@action_sets, "aggregate_urn='$urn'");
    push(@action_sets, "stamp=now()");
    if (defined($response)) {
	push(@action_sets, "reservation_uuid=" .
	     DBQuoteSpecial($response->{'uuid'}));
	push(@detail_sets, "approved='1'") if ($response->{'approved'});
    }
    elsif (defined($update)) {
	push(@action_sets, "reservation_uuid=" . DBQuoteSpecial($update));
	push(@detail_sets, "refused='1'");
    }
    else {
	push(@detail_sets, "refused='1'");
    }
    @detail_sets = (@action_sets, @detail_sets);

    if ($checkonly) {
	push(@action_sets, "action='validate'");
    }
    else {
	push(@action_sets, "action='submit'");
    }

    DBQueryWarn("lock tables apt_reservation_history_actions write, ".
		"            apt_reservation_history_details write")
	or return -1;

    #
    # Insert the action record, the idx becomes the idx for the details
    #
    my $query = "insert into apt_reservation_history_actions set ".
	join(",", @action_sets);
    my $query_result = DBQueryWarn($query);
    if (!defined($query_result)) {
	DBQueryWarn("unlock tables");
	return -1;
    }
    my ($idx) = $query_result->insertid();
    push(@detail_sets, "idx='$idx'");

    $query = "insert into apt_reservation_history_details set ".
	join(",", @detail_sets);
    if (!DBQueryWarn($query)) {
	DBQueryWarn("delete from apt_reservation_history_actions ".
		    "where idx='$idx'");
	DBQueryWarn("unlock tables");
	return -1;
    }
    DBQueryWarn("unlock tables");
    return 0;
}

#
# Update a reservation request for approval,deletion,etc.
#
sub UpdateReservationRequest($$$)
{
    my ($aggregate, $uuid, $flags) = @_;
    my $urn = $aggregate->urn();
    if ($flags == $RESERVATION_RECORD_APPROVE) {
	$action = "approve";
    }
    elsif ($flags == $RESERVATION_RECORD_DELETE) {
	$action = "delete";
    }
    elsif ($flags == $RESERVATION_RECORD_CANCEL) {
	$action = "cancel";
    }
    elsif ($flags == $RESERVATION_RECORD_UNCANCEL) {
	$action = "restore";
    }
    else {
	return -1;
    }
    DBQueryWarn("lock tables apt_reservation_history_actions write, ".
		"            apt_reservation_history_details write")
	or return -1;
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    #
    # Insert an action record.
    #
    if (!DBQueryWarn("insert into apt_reservation_history_actions set ".
		     " aggregate_urn='$urn', reservation_uuid='$uuid', ".
		     " stamp=now(), action='$action'")) {
	DBQueryWarn("unlock tables");
	return -1;
    }
    DBQueryWarn("unlock tables")
	or return -1;
    return 0;
}