def make_local_copy(replica_id):
replica = Replica.objects.get(id=replica_id)
# Check that we still need to verify - it might have been done already
if replica.is_local():
return
# Use a transaction for safety
with transaction.commit_on_success():
# Get replica locked for write (to prevent concurrent actions)
replica = Replica.objects.select_for_update().get(id=replica_id)
# Second check after lock (concurrency paranoia)
if not replica.is_local():
stage_replica(replica)
def verify_replica(replica_id, only_local=False, reverify=False):
'''
verify task
allowemtpychecksums is false for auto-verify, hence the parameter
'''
from tardis.tardis_portal.models import Replica
# Use a transaction for safety
with transaction.commit_on_success():
# Get replica locked for write (to prevent concurrent actions)
replica = Replica.objects.select_for_update().get(id=replica_id)
if replica.stay_remote or replica.is_local():
# Check after lock (concurrency paranoia)
if not replica.verified or reverify:
replica.verify()
replica.save(update_fields=['verified'])
else:
# Check after lock (concurrency paranoia)
if not replica.is_local() and not only_local:
stage_replica(replica)
def verify_replica(replica_id, only_local=False, reverify=False):
'''
verify task
allowemtpychecksums is false for auto-verify, hence the parameter
'''
from tardis.tardis_portal.models import Replica
# Use a transaction for safety
with transaction.commit_on_success():
# Get replica locked for write (to prevent concurrent actions)
replica = Replica.objects.select_for_update().get(id=replica_id)
if replica.stay_remote or replica.is_local():
# Check after lock (concurrency paranoia)
if not replica.verified or reverify:
replica.verify()
replica.save(update_fields=['verified'])
else:
# Check after lock (concurrency paranoia)
if not replica.is_local() and not only_local:
stage_replica(replica)
def test_stage_replica(self):
from tardis.tardis_portal import staging
staging.stage_replica(self.replica)
def test_stage_replica(self):
from tardis.tardis_portal import staging
staging.stage_replica(self.dfo)
