Add watchdog/hostkeys

sql/sitevars-create.sql

@@ -33,5 +33,6 @@ INSERT INTO sitevariables VALUES ('watchdog/isalive/plab',NULL,'10','Interval in
 INSERT INTO sitevariables VALUES ('watchdog/isalive/wa',NULL,'1','Interval in minutes between widearea node status reports (0==never report)');
 INSERT INTO sitevariables VALUES ('watchdog/isalive/dead_time',NULL,'120','Time, in minutes, after which to consider a node dead if it has not checked in via tha watchdog');
 INSERT INTO sitevariables VALUES ('watchdog/rusage',NULL,'1','Interval in minutes between node resource usage reports (0==never report)');
+INSERT INTO sitevariables VALUES ('watchdog/hostkeys',NULL,'999999','Interval in minutes between host key reports (0=never report, 999999=once only)');
 INSERT INTO sitevariables VALUES ('plab/setup/vnode_batch_size',NULL,'40','Number of plab nodes to setup simultaneously');
 INSERT INTO sitevariables VALUES ('plab/setup/vnode_wait_time',NULL,'960','Number of seconds to wait for a plab node to setup');