def log(self, line):
        print line
Returns a global list of available roles.
dataset/ETHPy150Open gmcquillan/firetower/firetower/util/log_watcher.py/LogWatcher.log--crossover with--dataset/ETHPy150Open Havate/havate-openstack/proto-build/gui/horizon/Horizon_GUI/openstack_dashboard/api/keystone.py/role_list