Changeset 1013 for trunk/packages/sipb-xen-www/code/controls.py

Timestamp:

Oct 3, 2008, 7:26:43 PM (16 years ago)

Author:

broder

Message:

Update web code to for SQLAlchemy 0.4

File:

• trunk/packages/sipb-xen-www/code/controls.py (modified) (3 diffs)

trunk/packages/sipb-xen-www/code/controls.py

@@ -110 +110 @@
     """Create a VM and put it in the database"""
     # put stuff in the table
-    transaction = ctx.current.create_transaction()
+    session.begin()
     try:
         validation.Validate(username, state, name=name, description=description, owner=owner, memory=memory, disksize=disksize/1024.)
-        res = meta.engine.execute('select nextval('
-                                  '\'"machines_machine_id_seq"\')')
-        id = res.fetchone()[0]
         machine = Machine()
-        machine.machine_id = id
         machine.name = name
         machine.description = description
@@ -126 +122 @@
         machine.uuid = uuidToString(randomUUID())
         machine.boot_off_cd = True
-        machine.type_id = machine_type.type_id
-        ctx.current.save(machine)
-        disk = Disk(machine_id=machine.machine_id,
+        machine.type = machine_type
+        session.save_or_update(machine)
+        disk = Disk(machine=machine,
                     guest_device_name='hda', size=disksize)
-        open_nics = NIC.select_by(machine_id=None)
-        if not open_nics: #No IPs left!
+        nic = NIC.query().filter_by(machine_id=None).first()
+        if not nic: #No IPs left!
             raise CodeError("No IP addresses left!  "
                             "Contact %s." % config.web.errormail)
-        nic = open_nics[0]
-        nic.machine_id = machine.machine_id
+        nic.machine = machine
         nic.hostname = name
-        ctx.current.save(nic)
-        ctx.current.save(disk)
+        session.save_or_update(nic)
+        session.save_or_update(disk)
         cache_acls.refreshMachine(machine)
-        transaction.commit()
+        session.commit()
     except:
-        transaction.rollback()
+        session.rollback()
         raise
     makeDisks(machine)
@@ -209 +204 @@
     """Delete a VM."""
     remctl('control', machine.name, 'destroy', err=True)
-    transaction = ctx.current.create_transaction()
+    session.begin()
     delete_disk_pairs = [(machine.name, d.guest_device_name) 
                          for d in machine.disks]
     try:
+        for mname, dname in delete_disk_pairs:
+            remctl('web', 'lvremove', mname, dname)
         for nic in machine.nics:
             nic.machine_id = None
             nic.hostname = None
-            ctx.current.save(nic)
+            session.save_or_update(nic)
         for disk in machine.disks:
-            ctx.current.delete(disk)
-        ctx.current.delete(machine)
-        transaction.commit()
+            session.delete(disk)
+        session.delete(machine)
+        session.commit()
     except:
-        transaction.rollback()
+        session.rollback()
         raise
-    for mname, dname in delete_disk_pairs:
-        remctl('web', 'lvremove', mname, dname)
 
 def commandResult(username, state, fields):