store slice_urn in sliver_allocation table

[sfa.git] / sfa / storage / model.py

diff --git a/sfa/storage/model.py b/sfa/storage/model.py
index 972040e..3f600d4 100644 (file)
--- 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
@@ -314,11 +315,22 @@ class RegKey (Base):
 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, 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 '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" % \
@@ -331,6 +343,60 @@ class SliverAllocation(Base,AlchemyObj):
         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