X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-database.git/blobdiff_plain/e03d578ef06f30b12bd513bbe706305daa2eea9b..ef7d3ef0efdb390b33bc4b0c5aa399afba841c7c:/sipb_xen_database/models.py

diff --git a/sipb_xen_database/models.py b/sipb_xen_database/models.py
index 4a6709e..8b4a389 100644
--- a/sipb_xen_database/models.py
+++ b/sipb_xen_database/models.py
@@ -6,13 +6,17 @@ from sqlalchemy.ext.assignmapper import assign_mapper
 __all__ = ['meta',
            'ctx',
            'machine_table',
+           'machine_access_table',
            'nic_table',
            'disk_table',
            'types_table',
+           'cdroms_table',
            'Machine',
+           'MachineAccess',
            'NIC',
            'Disk',
-           'Type']
+           'Type',
+           'CDROM']
 
 meta = DynamicMetaData()
 ctx = SessionContext(create_session)
@@ -24,7 +28,7 @@ machine_table = Table('machines', meta,
        Column('owner', String, nullable=False),
        Column('contact', String, nullable=False),
        Column('uuid', String, nullable=False),
-       Column('boot_off_cd', Boolean, nullable=False, default=False),
+       Column('administrator', String, nullable=False, default=False),
        Column('type_id', String, ForeignKey('types.type_id'), nullable=False),
        Column('autorestart', Boolean, nullable=False, default=False),
        Column('cpus', Integer, nullable=False, default=1))
@@ -32,7 +36,7 @@ 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, primary_key=True),
-       Column('ip', String, nullable=False),
+       Column('ip', String, nullable=False, unique=True),
        Column('hostname', String, nullable=True))
 
 disk_table = Table('disks', meta,
@@ -49,24 +53,54 @@ types_table = Table('types', meta,
        Column('acpi', Boolean, nullable=False),
        Column('pae', Boolean, nullable=False))
 
+cdroms_table = Table('cdroms', meta,
+       Column('cdrom_id', String, primary_key=True, nullable=False),
+       Column('description', String, nullable=False))
+
+machine_access_table = Table('machine_access', meta,
+       Column('machine_id', Integer, ForeignKey('machines.machine_id'), nullable=False, index=True),
+       Column('user', String, nullable=False, index=True),
+       PrimaryKeyConstraint('machine_id', 'user'))
 
 class Machine(object):
-    pass
+    def __repr__(self):
+        return "<Machine %s: name='%s' owner='%s'>" % (self.machine_id, self.name, self.owner)
+
+class MachineAccess(object):
+    def __repr__(self):
+        return "<MachineAccess machine='%s' user='%s'>" % (self.machine, self.user)
 
 class NIC(object):
-    pass
+    def __repr__(self):
+        return "<NIC: mac='%s' machine='%s' ip='%s' hostname='%s'>" % (self.mac_addr, self.machine_id, self.ip, self.hostname)
 
 class Disk(object):
-    pass
+    def __repr__(self):
+        return "<Disk: machine=%s device=%s size=%s>" % (self.machine_id, self.guest_device_name, self.size)
 
 class Type(object):
-    pass
+    def __repr__(self):
+        return "<Type %s: %s>" % (self.type_id, self.description)
 
+class CDROM(object):
+    def __repr__(self):
+        return "<CDROM %s: %s>" % (self.cdrom_id, self.description)
 
-assign_mapper(ctx, Machine, machine_table, \
-              properties={'nics': relation(NIC),
-                          'disks': relation(Disk)});
+assign_mapper(ctx, Machine, machine_table,
+              properties={'nics': relation(NIC, backref="machine"),
+                          'disks': relation(Disk, backref="machine"),
+                          'type': relation(Type),
+                          'acl': relation(MachineAccess, backref="machine")});
+assign_mapper(ctx, MachineAccess, machine_access_table)
 assign_mapper(ctx, NIC, nic_table)
 assign_mapper(ctx, Disk, disk_table)
 assign_mapper(ctx, Type, types_table)
+assign_mapper(ctx, CDROM, cdroms_table)
+
+def clear_cache():
+    """Clear sqlalchemy's cache.
+
+    This _seems_ to be the way; it works, but the docs don't mention
+    it.  Why is this so obscure?"""
 
+    ctx.registry.clear()