X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fstorage%2Fmodel.py;h=b0950429d604c37768d3a2c96a9579a1457fda62;hb=1cc8e9613cab8b5b22478de369f259e591c54e6d;hp=64da316d971652c1c6a948f86d3e6087ad1ea975;hpb=67288d32c856344f4084e93d97402d16c9a756f3;p=sfa.git

diff --git a/sfa/storage/model.py b/sfa/storage/model.py
index 64da316d..b0950429 100644
--- a/sfa/storage/model.py
+++ b/sfa/storage/model.py
@@ -1,6 +1,7 @@
 from types import StringTypes
 from datetime import datetime
 
+from sqlalchemy import or_, and_ 
 from sqlalchemy import Column, Integer, String, DateTime
 from sqlalchemy import Table, Column, MetaData, join, ForeignKey
 from sqlalchemy.orm import relationship, backref
@@ -311,6 +312,91 @@ class RegKey (Base):
         result += ">"
         return result
 
+class SliverAllocation(Base,AlchemyObj):
+    __tablename__       = 'sliver_allocation'
+    sliver_id           = Column(String, primary_key=True)
+    client_id           = Column(String)
+    component_id        = Column(String)
+    slice_urn           = Column(String)
+    allocation_state    = Column(String)
+
+    def __init__(self, **kwds):
+        if 'sliver_id' in kwds:
+            self.sliver_id = kwds['sliver_id']
+        if 'client_id' in kwds:
+            self.client_id = kwds['client_id']
+        if 'component_id' in kwds:
+            self.component_id = kwds['component_id']
+        if 'slice_urn' in kwds:
+            self.slice_urn = kwds['slice_urn']
+        if 'allocation_state' in kwds:
+            self.allocation_state = kwds['allocation_state']
+
+    def __repr__(self):
+        result = "<sliver_allocation sliver_id=%s allocation_state=%s" % \
+                  (self.sliver_id, self.allocation_state)
+        return result
+
+    @validates('allocation_state')
+    def validate_allocation_state(self, key, state):
+        allocation_states = ['geni_unallocated', 'geni_allocated', 'geni_provisioned']
+        assert state in allocation_states
+        return state
+
+    @staticmethod    
+    def set_allocations(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.append(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(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()
+    
+    def sync(self):
+        from sfa.storage.alchemy import dbsession
+        
+        constraints = [SliverAllocation.sliver_id==self.sliver_id]
+        results = dbsession.query(SliverAllocation).filter(and_(*constraints))
+        records = []
+        for result in results:
+            records.append(result) 
+        
+        if not records:
+            dbsession.add(self)
+        else:
+            record = records[0]
+            record.sliver_id = self.sliver_id
+            record.client_id  = self.client_id
+            record.component_id  = self.component_id
+            record.slice_urn  = self.slice_urn
+            record.allocation_state = self.allocation_state
+        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
@@ -361,3 +447,35 @@ def make_record_xml (xml):
     logger.info("load from xml, keys=%s"%xml_dict.keys())
     return make_record_dict (xml_dict)
 
+####################
+# augment local records with data from builtin relationships
+# expose related objects as a list of hrns
+# we pick names that clearly won't conflict with the ones used in the old approach,
+# were the relationships data came from the testbed side
+# for each type, a dict of the form {<field-name-exposed-in-record>:<alchemy_accessor_name>}
+# so after that, an 'authority' record will e.g. have a 'reg-pis' field with the hrns of its pi-users
+augment_map={'authority': {'reg-pis':'reg_pis',},
+             'slice': {'reg-researchers':'reg_researchers',},
+             'user': {'reg-pi-authorities':'reg_authorities_as_pi',
+                      'reg-slices':'reg_slices_as_researcher',},
+             }
+
+def augment_with_sfa_builtins (local_record):
+    # don't ruin the import of that file in a client world
+    from sfa.util.xrn import Xrn
+    # add a 'urn' field
+    setattr(local_record,'reg-urn',Xrn(xrn=local_record.hrn,type=local_record.type).urn)
+    # users have keys and this is needed to synthesize 'users' sent over to CreateSliver
+    if local_record.type=='user':
+        user_keys = [ key.key for key in local_record.reg_keys ]
+        setattr(local_record, 'reg-keys', user_keys)
+    # search in map according to record type
+    type_map=augment_map.get(local_record.type,{})
+    # use type-dep. map to do the job
+    for (field_name,attribute) in type_map.items():
+        # get related objects
+        related_records = getattr(local_record,attribute,[])
+        hrns = [ r.hrn for r in related_records ]
+        setattr (local_record, field_name, hrns)
+    
+