def make_readonly_master(run_scheduler=False):
"""Prepare a readonly master."""
treadmill_sched.DIMENSION_COUNT = 3
backend = zkbackend.ZkReadonlyBackend(context.GLOBAL.zk.conn)
# set timezone to master's
data = backend.get('/')
if data and 'timezone' in data:
_LOGGER.debug('Setting timezone to %s', data['timezone'])
os.environ['TZ'] = data['timezone']
time.tzset()
else:
_LOGGER.warning('Missing timezone info.')
cell_master = loader.Loader(
backend,
context.GLOBAL.cell
)
cell_master.load_model()
if run_scheduler:
cell_master.cell.schedule()
return cell_master
def make_readonly_master(run_scheduler=False):
"""Prepare a readonly master."""
treadmill_sched.DIMENSION_COUNT = 3
cell_master = loader.Loader(
zkbackend.ZkReadonlyBackend(context.GLOBAL.zk.conn),
context.GLOBAL.cell
)
cell_master.load_model()
if run_scheduler:
cell_master.cell.schedule()
return cell_master
def get_readonly_scheduler():
"""Prepare a readonly master."""
# C0103(invalid-name): invalid variable name
# W0603(global-statement): using the global statement
# pylint: disable=C0103,W0603
global _RO_SHEDULER_INSTANCE, _LAST_CACHE_UPDATE
if (time.time() - _LAST_CACHE_UPDATE > _CACHE_TIMEOUT
or not _RO_SHEDULER_INSTANCE):
tm_sched.DIMENSION_COUNT = 3
_RO_SHEDULER_INSTANCE = loader.Loader(
zkbackend.ZkReadonlyBackend(context.GLOBAL.zk.conn),
context.GLOBAL.cell)
_RO_SHEDULER_INSTANCE.load_model()
_LAST_CACHE_UPDATE = time.time()
return _RO_SHEDULER_INSTANCE
