From: Nelson Elhage <nelhage@mit.edu>
Date: Sun, 15 Jul 2007 21:14:21 +0000 (-0400)
Subject: Adding ORM tables for the sqlalchemy models
X-Git-Tag: sipb-xen-database/1~9
X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-database.git/commitdiff_plain/a347eb06ed1ad34c376b5867a558ed4049f74981?hp=a2802e4957f81fbc5f708c78b00898a5d72c9999

Adding ORM tables for the sqlalchemy models

svn path=/trunk/packages/sipb-xen-database/sipb-xen-database/; revision=18
---

diff --git a/sipb_xen_database/models.py b/sipb_xen_database/models.py
index 268489c..161a0a6 100644
--- a/sipb_xen_database/models.py
+++ b/sipb_xen_database/models.py
@@ -1,6 +1,10 @@
 from sqlalchemy import *
 
+from sqlalchemy.ext.sessioncontext import SessionContext
+from sqlalchemy.ext.assignmapper import assign_mapper
+
 meta = DynamicMetaData()
+ctx = SessionContext(create_session)
 
 machine_table = Table('machines', meta,
        Column('machine_id', Integer, primary_key=True, nullable=False),
@@ -17,7 +21,8 @@ machine_table = Table('machines', meta,
 nic_table = Table('nics', meta,
        Column('machine_id', Integer, ForeignKey('machines.machine_id'), nullable=True),
        Column('mac_addr', String, nullable=False),
-       Column('hostname', String, nullable=False))
+       Column('ip', String, nullable=False),
+       Column('hostname', String, primary_key=True, nullable=False))
 
 disk_table = Table('disks', meta,
        Column('machine_id', Integer, ForeignKey('machines.machine_id'), nullable=False),
@@ -32,3 +37,24 @@ types_table = Table('types', meta,
        Column('acpi', Boolean, nullable=False),
        Column('pae', Boolean, nullable=False))
 
+
+class Machine(object):
+    pass
+
+class NIC(object):
+    pass
+
+class Disk(object):
+    pass
+
+class Type(object):
+    pass
+
+
+assign_mapper(ctx, Machine, machine_table, \
+              properties={'nics': relation(NIC),
+                          'disks': relation(Disk)});
+assign_mapper(ctx, NIC, nic_table)
+assign_mapper(ctx, Disk, disk_table)
+assign_mapper(ctx, Type, types_table)
+