from sqlalchemy import *
+from sqlalchemy import orm
from sqlalchemy.orm import create_session, relation
from sqlalchemy.ext.sessioncontext import SessionContext
from sqlalchemy.ext.assignmapper import assign_mapper
+from invirt.database import record
+from invirt.database.owner import Owner
+
__all__ = ['meta',
- 'ctx',
+ 'session',
'clear_cache',
'machine_table',
'machine_access_table',
'disk_table',
'types_table',
'cdroms_table',
+ 'mirrors_table',
'autoinstalls_table',
+ 'owners_table',
'Machine',
'MachineAccess',
'NIC',
'Disk',
'Type',
'CDROM',
+ 'Mirror',
'Autoinstall',
+ 'Owner',
'or_',
]
meta = ThreadLocalMetaData()
-ctx = SessionContext(create_session)
+session = orm.scoped_session(orm.sessionmaker(transactional=False, autoflush=False))
machine_table = Table('machines', meta,
Column('machine_id', Integer, primary_key=True, nullable=False),
Column('owner', String, nullable=False),
Column('contact', String, nullable=False),
Column('uuid', String, nullable=False),
- Column('administrator', String, nullable=False, default=False),
+ Column('administrator', String, nullable=True, default=None),
Column('type_id', String, ForeignKey('types.type_id'), nullable=False),
Column('autorestart', Boolean, nullable=False, default=False),
Column('cpus', Integer, nullable=False, default=1),
Column('acpi', Boolean, nullable=False),
Column('pae', Boolean, nullable=False))
+mirrors_table = Table('mirrors', meta,
+ Column('mirror_id', String, primary_key=True, nullable=False),
+ Column('uri_prefix', String, nullable=False))
+
cdroms_table = Table('cdroms', meta,
Column('cdrom_id', String, primary_key=True, nullable=False),
- Column('description', String, nullable=False))
+ Column('description', String, nullable=False),
+ Column('mirror_id', String, ForeignKey('mirrors.mirror_id')),
+ Column('uri_suffix', String))
autoinstalls_table = Table('autoinstalls', meta,
Column('autoinstall_id', String, primary_key=True, nullable=False),
Column('description', String, nullable=False),
Column('type_id', String, ForeignKey('types.type_id'), nullable=False),
Column('distribution', String, nullable=False),
- Column('mirror', String, nullable=False))
+ Column('mirror', String, nullable=False),
+ Column('arch', String, nullable=False))
+
+owners_table = Table('owners', meta,
+ Column('owner_id', String, primary_key=True, nullable=False),
+ Column('ram_quota_total', Integer, nullable=True, default=None),
+ Column('ram_quota_single', Integer, nullable=True, default=None),
+ Column('disk_quota_total', Integer, nullable=True, default=None),
+ Column('disk_quota_single', Integer, nullable=True, default=None),
+ Column('vms_quota_total', Integer, nullable=True, default=None),
+ Column('vms_quota_active', Integer, nullable=True, default=None))
machine_access_table = Table('machine_access', meta,
- Column('machine_id', Integer, ForeignKey('machines.machine_id'), nullable=False, index=True),
+ Column('machine_id', Integer, ForeignKey('machines.machine_id', ondelete='CASCADE'), nullable=False, index=True),
Column('user', String, nullable=False, index=True),
- PrimaryKeyConstraint('machine_id', 'user', ondelete='CASCADE'))
-
-class Machine(object):
- 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):
- 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):
- def __repr__(self):
- return "<Disk: machine=%s device=%s size=%s>" % (self.machine_id, self.guest_device_name, self.size)
-
-class Type(object):
- 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)
-
-class Autoinstall(object):
- def __repr__(self):
- return "<Autoinstall %s: %s (%s)>" % (self.autoinstall_id, self.description, self.type.type_id)
-
-assign_mapper(ctx, Machine, machine_table,
- properties={'nics': relation(NIC, backref="machine", lazy=False),
- 'disks': relation(Disk, backref="machine", lazy=False),
- 'type': relation(Type, lazy=False),
- 'acl': relation(MachineAccess, backref="machine", lazy=False, passive_deletes=True, cascade="all, delete-orphan")});
-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)
-assign_mapper(ctx, Autoinstall, autoinstalls_table)
+ PrimaryKeyConstraint('machine_id', 'user'))
-def clear_cache():
- """Clear sqlalchemy's cache.
+class Machine(record.Record):
+ _identity_field = 'name'
+
+class MachineAccess(record.Record):
+ pass
+
+class NIC(record.Record):
+ pass
+
+class Disk(record.Record):
+ pass
- This _seems_ to be the way; it works, but the docs don't mention
- it. Why is this so obscure?"""
+class Type(record.Record):
+ _identity_field = 'type_id'
+
+class Mirror(record.Record):
+ _identity_field = 'mirror_id'
+
+class CDROM(record.Record):
+ _identity_field = 'cdrom_id'
+
+class Autoinstall(record.Record):
+ _identity_field = 'autoinstall_id'
+
+session.mapper(Machine, machine_table,
+ properties={'nics': relation(NIC, backref="machine"),
+ 'disks': relation(Disk, backref="machine"),
+ 'type': relation(Type),
+ 'acl': relation(MachineAccess, backref="machine", passive_deletes=True, cascade="all, delete-orphan")});
+session.mapper(MachineAccess, machine_access_table)
+session.mapper(NIC, nic_table)
+session.mapper(Disk, disk_table)
+session.mapper(Type, types_table)
+session.mapper(Mirror, mirrors_table)
+session.mapper(CDROM, cdroms_table,
+ properties={'mirror': relation(Mirror, backref="cdroms")})
+session.mapper(Autoinstall, autoinstalls_table)
+session.mapper(Owner, owners_table)
+
+def clear_cache():
+ """Clear sqlalchemy's cache
+ """
- ctx.registry.clear()
+ session.clear()
projects / invirt/packages/invirt-database.git / blobdiff