def handle_jobs_to_launch(jobs_to_launch_lst, current_time_sec, current_time_sql):
logger.debug(
"Begin processing jobs to launch (start time <= " + current_time_sql)
return_code = 0
for job in jobs_to_launch_lst:
return_code = 1
logger.debug("Set job " + str(job.id) + " state to toLaunch at " + current_time_sql)
#
# Advance Reservation
#
walltime = job.walltime
if ((job.reservation == 'Scheduled') and (job.start_time < current_time_sec)):
max_time = walltime - (current_time_sec - job.start_time)
set_moldable_job_max_time(job.moldable_id, max_time)
set_gantt_job_start_time(job.moldable_id, current_time_sec)
logger.warn("Reduce walltime of job " + str(job.id) +
"to " + str(max_time) + "(was " + str(walltime) + " )")
add_new_event('REDUCE_RESERVATION_WALLTIME', job.id,
"Change walltime from " + str(walltime) + " to "
+ str(max_time))
w_max_time = duration_to_sql(max_time)
new_message = re.sub(r'W=\d+:\d+:\d+', 'W=' + w_max_time, job.message)
if new_message != job.message:
set_job_message(job.id, new_message)
prepare_job_to_be_launched(job, current_time_sec)
logger.debug("End processing of jobs to launch")
return return_code
def check_reservation_jobs(plt, resource_set, queue_name, all_slot_sets, current_time_sec):
"""Processing of new Advance Reservations"""
logger.debug("Queue " + queue_name + ": begin processing of new reservations")
ar_jobs_scheduled = {}
ar_jobs, ar_jids, nb_ar_jobs = plt.get_waiting_jobs(
queue_name, 'toSchedule')
logger.debug("nb_ar_jobs:" + str(nb_ar_jobs))
if nb_ar_jobs > 0:
job_security_time = int(config['SCHEDULER_JOB_SECURITY_TIME'])
plt.get_data_jobs(ar_jobs, ar_jids, resource_set, job_security_time)
logger.debug("Try and schedule new reservations")
for jid in ar_jids:
job = ar_jobs[jid]
logger.debug(
"Find resource for Advance Reservation job:" + str(job.id))
# It is a reservation, we take care only of the first moldable job
moldable_id, walltime, hy_res_rqts = job.mld_res_rqts[0]
# test if reservation is too old
if current_time_sec >= (job.start_time + walltime):
logger.warn(
"[" + str(job.id) + "] Canceling job: reservation is too old")
set_job_message(job.id, "Reservation too old")
set_job_state(job.id, 'toError')
continue
else:
if job.start_time < current_time_sec:
# TODO update to DB ????
job.start_time = current_time_sec
ss_name = 'default'
# TODO container
# if 'inner' in job.types:
# ss_name = job.types['inner']
# TODO: test if container is an AR job
slots = all_slot_sets[ss_name].slots
t_e = job.start_time + walltime - job_security_time
sid_left, sid_right = get_encompassing_slots(
slots, job.start_time, t_e)
if job.ts or (job.ph == ALLOW):
itvs_avail = intersec_ts_ph_itvs_slots(
slots, sid_left, sid_right, job)
else:
itvs_avail = intersec_itvs_slots(slots, sid_left, sid_right)
itvs = find_resource_hierarchies_job(
itvs_avail, hy_res_rqts, resource_set.hierarchy)
if ('QUOTAS' in config) and (config['QUOTAS'] == 'yes'):
nb_res = itvs_size(intersec(itvs, resource_set.default_resource_itvs))
res = check_slots_quotas(slots, sid_left, sid_right, job, nb_res, walltime)
(quotas_ok, quotas_msg, rule, value) = res
if not quotas_ok:
itvs = []
logger.info("Quotas limitaion reached, job:" + str(job.id) +
", " + quotas_msg + ", rule: " + str(rule) +
", value: " + str(value))
set_job_state(job.id, 'toError')
set_job_message(job.id,
"This advance reservation cannot run due to quotas")
if itvs == []:
# not enough resource available
logger.warn("[" + str(job.id) +
"] advance reservation cannot be validated, not enough resources")
set_job_state(job.id, 'toError')
set_job_message(job.id, "This advance reservation cannot run")
else:
# The reservation can be scheduled
logger.debug(
"[" + str(job.id) + "] advance reservation is validated")
job.moldable_id = moldable_id
job.res_set = itvs
ar_jobs_scheduled[job.id] = job
# if 'container' in job.types
# slot = Slot(1, 0, 0, job.res_set[:], job.start_time,
# job.start_time + job.walltime - job_security_time)
# slot.show()
# slots_sets[job.id] = SlotSet(slot)
set_job_state(job.id, 'toAckReservation')
set_job_resa_state(job.id, 'Scheduled')
if ar_jobs_scheduled != []:
logger.debug("Save AR jobs' assignements in database")
save_assigns(ar_jobs_scheduled, resource_set)
logger.debug("Queue " + queue_name + ": end processing of new reservations")
def handle_waiting_reservation_jobs(queue_name, resource_set, job_security_time, current_time_sec):
logger.debug("Queue " + queue_name +
": begin processing accepted Advance Reservations")
ar_jobs = get_waiting_scheduled_AR_jobs(queue_name, resource_set, job_security_time, current_time_sec)
for job in ar_jobs:
moldable_id = job.moldable_id
walltime = job.walltime
# Test if AR job is expired and handle it
if (current_time_sec > (job.start_time + walltime)):
logger.warn("[" + str(job.id) +
"] set job state to Error: avdance reservation expired and couldn't be started")
set_job_state(job.id, 'Error')
set_job_message(job.id, "Reservation expired and couldn't be started.")
else:
# Determine current available ressources
avail_res = intersec(resource_set.roid_itvs, job.res_set)
# Test if the AR job is waiting to be launched due to nodes' unavailabilities
if (avail_res == []) and (job.start_time < current_time_sec):
logger.warn("[%s] advance reservation is waiting because no resource is present"
% str(job.id))
# Delay launching time
set_gantt_job_start_time(moldable_id, current_time_sec + 1)
elif (job.start_time < current_time_sec):
if (job.start_time + reservation_waiting_timeout) > current_time_sec:
if not equal_itvs(avail_res, job.res_set):
# The expected ressources are not all available,
# wait the specified timeout
logger.warn("[" + str(job.id) +
"] advance reservation is waiting because not all \
resources are available yet")
set_gantt_job_start_time(moldable_id, current_time_sec + 1)
else:
# It's time to launch the AR job, remove missing ressources
missing_resources_itvs = sub_intervals(job.res_set, avail_res)
remove_gantt_resource_job(moldable_id, missing_resources_itvs,
resource_set)
logger.warn("[" + str(job.id) +
"remove some resources assigned to this advance reservation, \
because there are not Alive")
add_new_event('SCHEDULER_REDUCE_NB_RESSOURCES_FOR_ADVANCE_RESERVATION',
job.id,
"[MetaSched] Reduce the number of resources for the job "
+ str(job.id))
nb_res = itvs_size(job.res_set) - itvs_size(missing_resources_itvs)
new_message = re.sub(r'R=\d+', 'R=' + str(nb_res), job.message)
if new_message != job.message:
set_job_message(job.id, new_message)
logger.debug("Queue " + queue_name +
": end processing of reservations with missing resources")
