def add_dynamic_timer(self,
callback,
initial_delay=None,
periodic_interval_max=None,
*args,
**kwargs):
timer = loopingcall.DynamicLoopingCall(callback, *args, **kwargs)
timer.start(initial_delay=initial_delay,
periodic_interval_max=periodic_interval_max)
self.timers.append(timer)
def _start_loopingcall(min_chunk_size, state_sync_interval, func):
"""Start a loopingcall for the synchronization task."""
# Start a looping call to synchronize operational status
# for neutron resources
if not state_sync_interval:
# do not start the looping call if specified
# sync interval is 0
return
state_synchronizer = loopingcall.DynamicLoopingCall(
func, sp=SyncParameters(min_chunk_size))
state_synchronizer.start(periodic_interval_max=state_sync_interval)
return state_synchronizer