sliver_id = Column(String, primary_key=True)
allocation_state = Column(String)
- def __init__(self, sliver_id, allocation_state):
- self.sliver_id = sliver_id
- self.allocation_state = allocation_state
+ def __init__(self, **kwds):
+ if 'sliver_id' in kwds:
+ self.sliver_id = kwds['sliver_id']
+ if 'allocation_state' in kwds:
+ self.allocation_state = kwds['allocation_state']
def __repr__(self):
result = "<sliver_allocation sliver_id=%s allocation_state=%s" % \
assert state in allocation_states
return state
+ @staticmethod
+ def set_allocations(self, sliver_ids, state):
+ from sfa.storage.alchemy import dbsession
+ if not isinstance(sliver_ids, list):
+ sliver_ids = [sliver_ids]
+ sliver_state_updated = {}
+ constraint = SliverAllocation.sliver_id.in_(sliver_ids)
+ sliver_allocations = dbsession.query (SliverAllocation).filter(constraint)
+ sliver_ids_found = []
+ for sliver_allocation in sliver_allocations:
+ sliver_allocation.allocation_state = state
+ sliver_ids_found = sliver_allocation.sliver_id
+
+ # Some states may not have been updated becuase no sliver allocation state record
+ # exists for the sliver. Insert new allocation records for these slivers and set
+ # it to geni_allocated.
+ sliver_ids_not_found = set(sliver_ids).difference(sliver_ids_found)
+ for sliver_id in sliver_ids_not_found:
+ record = SliverAllocation(sliver_id=sliver_id, allocation_state=state)
+ dbsession.add(record)
+ dbsession.commit()
+
+ @staticmethod
+ def delete_allocations(self, sliver_ids):
+ from sfa.storage.alchemy import dbsession
+ if not isinstance(sliver_ids, list):
+ sliver_ids = [sliver_ids]
+ constraint = SliverAllocation.sliver_id.in_(sliver_ids)
+ sliver_allocations = dbsession.query(SliverAllocation).filter(constraint)
+ for sliver_allocation in sliver_allocations:
+ dbsession.delete(sliver_allocation)
+ dbsession.commit()
+
##############################
# although the db needs of course to be reachable for the following functions
# the schema management functions are here and not in alchemy