GeniCMV2.pm.in 13.3 KB
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#!/usr/bin/perl -wT
#
# GENIPUBLIC-COPYRIGHT
# Copyright (c) 2008-2009 University of Utah and the Flux Group.
# All rights reserved.
#
package GeniCMV2;

#
# The server side of the CM interface on remote sites. Also communicates
# with the GMC interface at Geni Central as a client.
#
use strict;
use Exporter;
use vars qw(@ISA @EXPORT);

@ISA    = "Exporter";
@EXPORT = qw ( );

# Must come after package declaration!
use lib '@prefix@/lib';
use GeniDB;
use Genixmlrpc;
use GeniResponse;
use GeniTicket;
use GeniCredential;
use GeniCertificate;
use GeniSlice;
use GeniAggregate;
use GeniAuthority;
use GeniSliver;
use GeniUser;
use GeniRegistry;
use GeniUtil;
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use GeniCM;
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use GeniHRN;
use libtestbed qw(SENDMAIL);
use emutil;
# Hate to import all this crap; need a utility library.
use libdb qw(TBGetSiteVar EXPTSTATE_SWAPPED EXPTSTATE_ACTIVE TBOPSPID
	     TBDB_NODESTATE_TBFAILED);
use User;
use Node;
use OSinfo;
use Image;
use Interface;
use English;
use Data::Dumper;
use XML::Simple;
use Date::Parse;
use POSIX qw(strftime tmpnam);
use Time::Local;
use Experiment;
use VirtExperiment;
use Compress::Zlib;
use MIME::Base64;

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
my $CREATEEXPT     = "$TB/bin/batchexp";
my $ENDEXPT        = "$TB/bin/endexp";
my $NALLOC	   = "$TB/bin/nalloc";
my $NFREE	   = "$TB/bin/nfree";
my $AVAIL	   = "$TB/sbin/avail";
my $PTOPGEN	   = "$TB/libexec/ptopgen";
my $TBSWAP	   = "$TB/bin/tbswap";
my $SWAPEXP	   = "$TB/bin/swapexp";
my $PLABSLICE	   = "$TB/sbin/plabslicewrapper";
my $NAMEDSETUP     = "$TB/sbin/named_setup";
my $VNODESETUP     = "$TB/sbin/vnode_setup";
my $GENTOPOFILE    = "$TB/libexec/gentopofile";
my $TARFILES_SETUP = "$TB/bin/tarfiles_setup";
my $MAPPER         = "$TB/bin/mapper";
my $VTOPGEN        = "$TB/bin/vtopgen";
my $SNMPIT         = "$TB/bin/snmpit";
my $PRERENDER      = "$TB/libexec/vis/prerender";
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";

my $API_VERSION = 2;

#
# Tell the client what API revision we support.  The correspondence
# between revision numbers and API features is to be specified elsewhere.
# No credentials are required.
#
sub GetVersion()
{
    return GeniResponse->Create( GENIRESPONSE_SUCCESS, $API_VERSION );
}

#
# Respond to a Resolve request. 
#
sub Resolve($)
{
    my ($argref) = @_;
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    my $credentials = $argref->{'credentials'};
    my $urn         = $argref->{'urn'};
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    if (! (defined($credentials) && defined($urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($urn)) {
	return GeniResponse->MalformedArgsResponse("Invalid URN");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    # The URN encodes the type.
    my ($auth,$type,$id) = GeniHRN::Parse($urn);
    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				"Authority mismatch")
	if ($auth ne $OURDOMAIN);
    $type = lc($type);
    
    if ($type eq "node") {
	my $node = GeniCM::LookupNode($urn);
	if (! defined($node)) {
	    return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED,
					undef, "Nothing here by that name");
	}
	my $rspec = GeniCM::GetAdvertisement(0, $node->node_id());
	if (! defined($rspec)) {
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Could not start avail");
	}
	# Return a blob.
	my $blob = { "hrn"          => "${PGENIDOMAIN}." . $node->node_id(),
		     "uuid"         => $node->uuid(),
		     "role"	    => $node->role(),
		     "hostname"     => $node->node_id() . ".${OURDOMAIN}",
		     "physctrl"     => 
			 Interface->LookupControl($node->phys_nodeid())->IP(),
		     "urn"          => GeniHRN::Generate($OURDOMAIN,
							 "node",
							 $node->node_id()),
		     "rspec"        => $rspec
		   };

	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED, undef,
				"Cannot resolve $type at this authority");
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}

#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
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    my $credentials = $argref->{'credentials'};
    my $available   = $argref->{'available'} || 0;
    my $compress    = $argref->{'compress'} || 0;

    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
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    return GeniCM::DiscoverResourcesAux($available, $compress);
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}

#
# Create a Sliver.
#
sub CreateSliver($)
{
    my ($argref) = @_;
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    my $slice_urn    = $argref->{'slice_urn'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $keys         = $argref->{'keys'};
    my $impotent     = $argref->{'impotent'} || 0;
    
    # For now, I am not worrying about the slice_urn argument.
    if (! (defined($credentials) && defined($rspecstr))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
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    my $rspec = GeniCM::GetTicketAux($credential,
				     $rspecstr, 0, $impotent, 1, undef);
    return $rspec
	if (GeniResponse::IsResponse($rspec));

    my $response = GeniCM::SliverWorkAux($credential,
					 $rspec, $keys, 0, $impotent, 1);
    
    if (GeniResponse::IsError($response)) {
	#
	# We have to make sure there is nothing left over since there
	# is no actual ticket, so the resources will not get cleaned
	# up by the daemon. This is mostly cause I am reaching into
	# the V1 code, and its messy.
	#
	my $slice = GeniSlice->Lookup($credential->target_uuid());
	if ($slice->Lock() != 0) {
	    print STDERR "CreateSliver: Could not lock $slice before delete\n";
	    return $response;
	}
	if (defined($slice)) {
	    GeniCM::CleanupDeadSlice($slice, 1);
	}
    }
    #
    # Leave the slice intact on error, so we can go look at it. 
    #
    my $slice = GeniSlice->Lookup($credential->target_uuid());
    if (!defined($slice)) {
	print STDERR "CreateSliver: Could not find slice for $credential\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
    if ($slice->Lock() != 0) {
	print STDERR "CreateSliver: Could not lock $slice before start\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
    my $aggregate = GeniAggregate->SliceAggregate($slice);
    if (!defined($aggregate)) {
	print STDERR "CreateSliver: Could not find aggregate for $slice\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
    if ($aggregate->Start() != 0) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not start sliver");
    }
    $slice->UnLock();
    return $response;
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}

#
# Delete a Sliver.
#
sub DeleteSliver($)
{
    my ($argref) = @_;
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    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

    # For now, I am not worrying about the slice_urn argument.
    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
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    return GeniCM::DeleteSliverAux($credential, $impotent, 1);
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}

#
# Get a Sliver (credential)
#
sub GetSliver($)
{
    my ($argref) = @_;
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    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
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    # For now, I am not worrying about the slice_urn argument.
    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    return GeniCM::GetSliverAux($credential);
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}

#
# Get sliver status
#
sub SliverStatus($)
{
    my ($argref) = @_;
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    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
    my $aggregate;

    # For now, I am not worrying about the slice_urn argument.
    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    $credential->HasPrivilege( "pi" ) or
	$credential->HasPrivilege( "info" ) or
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Insufficient privilege");

    #
    # For now, only allow top level aggregate or the slice
    #
    my $slice = GeniSlice->Lookup($credential->target_uuid());
    if (!defined($slice)) {
	$aggregate = GeniAggregate->Lookup($credential->target_uuid());
	if (!defined($aggregate)) {
	    my $sliver = GeniSliver->Lookup($credential->target_uuid());
	    if (defined($sliver)) {
		return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					    "Must supply toplevel sliver");
	    }
	    else {
		return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					    "No such sliver");
	    }
	}
	elsif ($aggregate->type() ne "Aggregate") {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Must supply toplevel sliver");
	}
	my $slice_uuid = $aggregate->slice_uuid();
	$slice = GeniSlice->Lookup($slice_uuid);
	if (!defined($slice)) {
	    print STDERR "SliverStatus: No slice for $aggregate\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Internal Error");
	}
    }
    else {
	$aggregate = GeniAggregate->SliceAggregate($slice);
	if (!defined($aggregate)) {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"No aggregate for slice");
	}
    }
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }

    #
    # Grab all the slivers for this slice, and then
    # look for just the nodes.
    #
    my $blob = {
	"state"   => "started",
	"status"  => "ready",
	"details" => {},
    };
    my @slivers    = ();
    if ($aggregate->SliverList(\@slivers) != 0) {
	print STDERR "SliverStatus: Could not get slivers for $aggregate\n";
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_ERROR);
    }
    foreach my $sliver (@slivers) {
	next
	    if ($sliver->isa("GeniAggregate"));
	next
	    if ($sliver->resource_type() ne "Node");
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	my $node_uuid = $sliver->uuid();
	my $node = GeniCM::LookupNode($node_uuid);
	if (!defined($node)) {
	    $slice->UnLock();
	    print STDERR "SliverStatus: Cannot find node by uuid $node_uuid\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
	my $urn = GeniHRN::Generate($OURDOMAIN, "sliver", $node->node_id());
	my $state  = "started";
	my $status = "unknown";
	my $error  = "";
	
	if ($node->IsUp()) {
	    $status = "ready";
	}
	elsif ($node->eventstate() eq TBDB_NODESTATE_TBFAILED()) {
	    $status = "failed";
	    $blob->{'status'} = "failed";

	    my $bootlog;
	    my $nodeid = $node->node_id();
	    if ($node->GetBootLog(\$bootlog) == 0) {
		$error = $bootlog;
	    }
	}
	else {
	    $status = "notready";
	    # Set to notready unless something already failed. 
	    $blob->{'status'} = "notready"
		if ($blob->{'status'} ne "failed");
	}
	$blob->{'details'}->{$urn} = {
	    "state"  => $state,
	    "status" => $status,
	    "error"  => $error,
	};
    }
    $slice->UnLock();
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
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}

#
# Shutdown sliver
#
sub Shutdown($)
{
    my ($argref) = @_;
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    my $slice_urn    = $argref->{'slice_urn'};
    my $clear        = $argref->{'clear'} || 0;
    my $credentials  = $argref->{'credentials'};

    # For now, I am not worrying about the slice_urn argument.
    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
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    return GeniCM::ShutdownAux($credential, $clear);
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}

#
# Renew a sliver
#
sub RenewSliver($)
{
    my ($argref) = @_;
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    my $slice_urn    = $argref->{'slice_urn'};
    my $valid_until  = $argref->{'valid_until'};
    my $credentials  = $argref->{'credentials'};

    # For now, I am not worrying about the slice_urn argument.
    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    return GeniCM::RenewSliverAux($credential, $valid_until);
}

#
# Initial credential check.
#
sub CheckCredentials($)
{
    my @credentials = @{ $_[0] };
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    if (scalar(@credentials) != 1) {
	return
	    GeniResponse->MalformedArgsResponse("Wrong number of credentials");
    }
    my $credential = GeniCredential->CreateFromSigned($credentials[0]);
    if (!defined($credential)) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not create credential object");
    }
    #
    # Make sure the credential was issued to the caller, but no special
    # permission required to resolve component resources.
    #
    if ($credential->owner_uuid() ne $ENV{'GENIUUID'}) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "This is not your credential");
    }
    return $credential;
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}

# _Always_ make sure that this 1 is at the end of the file...
1;