Add an errorlog text field to aggregate and sliver DB objects, to hold

top level error info for later return. This allows non-node slivers to
return useful info in sliverstatus.

protogeni/etc/protogeni.sql

@@ -87,6 +87,7 @@ CREATE TABLE `geni_slivers` (
   `aggregate_uuid` varchar(40) default NULL,
   `status` varchar(16) NOT NULL default 'created',
   `state` varchar(16) NOT NULL default 'stopped',
+  `errorlog` text,
   `rspec_string` text,
   PRIMARY KEY  (`idx`),
   UNIQUE KEY `uuid` (`uuid`),
@@ -111,6 +112,7 @@ CREATE TABLE `geni_aggregates` (
   `aggregate_idx` int(10) unsigned default NULL,
   `status` varchar(16) NOT NULL default 'created',
   `state` varchar(16) NOT NULL default 'stopped',
+  `errorlog` text,
   PRIMARY KEY  (`idx`),
   UNIQUE KEY `uuid` (`uuid`),
   INDEX `slice_uuid` (`slice_uuid`)

protogeni/updates/21

+#
+# Beef up the geni_resources table for use in cooked mode.
+#
+use strict;
+use GeniDB;
+
+sub DoUpdate($$$)
+{
+    my ($dbhandle, $dbname, $version) = @_;
+
+    DBSetDefault($dbhandle);
+
+    if (!DBSlotExists("geni_aggregates", "errorlog")) {
+	DBQueryFatal("alter table geni_aggregates add ".
+		     " `errorlog` text ".
+		     "after state");
+    }
+    if (!DBSlotExists("geni_slivers", "errorlog")) {
+	DBQueryFatal("alter table geni_slivers add ".
+		     " `errorlog` text ".
+		     "after state");
+    }
+    return 0;
+}
+1;