def execute(host, port, df):
global mainDefer
mainDefer = df
sshRPC = ExtensionLoader().getExtension("sshRPC").sshRPC
sshRPCGroup = ExtensionLoader().getExtension("Groups").getGroup("sshRPC")
runners = sshRPCGroup.getSubgroup(len(sshRPCGroup)-1)
nRunners = len(sshRPCGroup)-1
i = 0
for sensor,port,passwd in sensorsList + [ (host, port, '192168061') ]:
hostDefer = defer.Deferred()
hostDefer.addErrback(df.errback)
hostDefer.addCallback(confirmationReply)
print "Asking to", runners[i % nRunners].nick, "to run the command"
sshRPC(runners[i % nRunners], hostDefer,
sensor, port, 'root', passwd, command)
i += 1
