def schedule_2(spec):
scheduled_containers = []
info = ''
container_id_list_all = itf_database.get_container_id_list()
# filter out some containers
container_id_list = []
for cid in container_id_list_all:
status = itf_database.get_status(cid)
if qos_checker.check_space(spec, [status]) and \
qos_checker.check_dataintegrity(spec,[status]) and \
status.StorageReliability > 0 and \
status.ContainerAvailability > 0:
container_id_list.append(cid)
# check if k containers together can satisfy the spec
for k in range(min(5, len(container_id_list))):
cid_comb = list(itertools.combinations(container_id_list, k))
for comb in cid_comb:
cid_list = list(comb)
status_list = [itf_database.get_status(x) for x in cid_list]
if qos_checker.check_availability(spec, status_list) and \
qos_checker.check_reliability(spec, status_list) and \
qos_checker.check_bandwidth(spec, status_list) and \
qos_checker.check_latency(spec, status_list):
scheduled_containers = cid_list
costs = [x.CostPerGBMonth for x in status_list]
cost = sum(costs) / 1024.0 * spec.ReservedSize
info = '$%.2f/month' % cost
return scheduled_containers, info
return scheduled_containers, info
def schedule_0(spec):
scheduled_containers = []
info = ''
container_id_list = itf_database.get_container_id_list()
container_id_list = [x for x in container_id_list if \
qos_checker.check_space(spec, [itf_database.get_status(x)])]
if len(container_id_list) > 0:
container_id = container_id_list[0]
status = itf_database.get_status(container_id)
scheduled_containers.append(container_id)
cost = status.CostPerGBMonth / 1024.0 * spec.ReservedSize
info = '$%.2f/month' % cost
return scheduled_containers, info
