ec.register_connection(tap1, node1)
node2 = ec.register_resource("PlanetlabNode")
ec.set(node2, "hostname", host2)
ec.set(node2, "username", user2)
ec.register_connection(tap1, node1)
node2 = ec.register_resource("PlanetlabNode")
ec.set(node2, "hostname", host2)
ec.set(node2, "username", user2)