Add a uuid slot to the nodes table; protogeni needs it.

Note that I did not change the plab code; needs to be done.

db/Node.pm.in

@@ -1153,6 +1153,12 @@ sub CreateVnodes($$)
 	return -1;
     }
 
+    my $uuid = NewUUID();
+    if (!defined($uuid)) {
+	print "Could not generate a UUID!\n";
+	next NODE;
+    }
+    
     #
     # Assign however many we are told to (typically by assign). Locally
     # this is not a problem since nodes are not shared; assign always
@@ -1238,6 +1244,7 @@ sub CreateVnodes($$)
 	my $statement =
 	         "insert into nodes set ".
 		 "       node_id='$vnodeid', " .
+		 "       uuid='$uuid', " .
 		 "       type='$vtype', ".
 		 "       phys_nodeid='$pnode', ".
 		 "       role='virtnode', " .

sql/database-create.sql

@@ -2172,6 +2172,7 @@ CREATE TABLE `nodes` (
   `destination_y` float default NULL,
   `destination_orientation` float default NULL,
   `reserved_pid` varchar(12) default NULL,
+  `uuid` varchar(40) NOT NULL default '',
   PRIMARY KEY  (`node_id`),
   KEY `phys_nodeid` (`phys_nodeid`),
   KEY `node_id` (`node_id`,`phys_nodeid`),

sql/database-migrate.txt

@@ -4500,3 +4500,8 @@ last_net_act,last_cpu_act,last_ext_act);
 	 add `password` tinytext,
 	 add KEY `uid` (`uid`),
 	 add KEY `uid_idx` (`uid_idx`);
+
+4.151: Add a uuid slot to the nodes table, for protogeni.
+
+       alter table nodes add `uuid` varchar(40) NOT NULL default '';
+       update nodes set uuid=UUID();

utils/newnode.in

@@ -2,7 +2,7 @@
 
 #
 # EMULAB-COPYRIGHT
-# Copyright (c) 2003-2007 University of Utah and the Flux Group.
+# Copyright (c) 2003-2008 University of Utah and the Flux Group.
 # All rights reserved.
 #
 
@@ -13,6 +13,7 @@
 use lib '@prefix@/lib';
 
 use libdb;
+use libtestbed;
 use libxmlrpc;
 use NodeType;
 use English;
@@ -361,10 +362,15 @@ NODE: foreach my $node_id (@node_ids) {
     #
     # Okay, time to actually add the node!
     #
+    my $uuid = NewUUID();
+    if (!defined($uuid)) {
+	print "Could not generate a UUID!\n";
+	next NODE;
+    }
     
     DBQueryFatal("INSERT INTO nodes SET node_id='$node_id', type='$type', " .
 	"phys_nodeid='$node_id', role='$role', priority=$priority, " .
-    	"eventstate='$state', op_mode='$opmode', " .
+    	"eventstate='$state', op_mode='$opmode', uuid='$uuid', " .
 	"def_boot_osid='$osid', " .
 	"inception=now(), ".
 	"state_timestamp=unix_timestamp(NOW()), " .