X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-database.git/blobdiff_plain/2920145fe2531a7f64b9a718524c8bf2785f87be..4fc8b53bdc8a05d9f1e1a0d079d558b50367ebef:/python/database/models.py?ds=sidebyside diff --git a/python/database/models.py b/python/database/models.py index 6ba0446..52bd7c1 100644 --- a/python/database/models.py +++ b/python/database/models.py @@ -26,7 +26,7 @@ __all__ = ['meta', ] meta = ThreadLocalMetaData() -session = orm.scoped_session(orm.sessionmaker(transactional=False)) +session = orm.scoped_session(orm.sessionmaker(transactional=False, autoflush=False)) machine_table = Table('machines', meta, Column('machine_id', Integer, primary_key=True, nullable=False), @@ -62,9 +62,15 @@ types_table = Table('types', meta, 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), @@ -74,9 +80,9 @@ autoinstalls_table = Table('autoinstalls', meta, Column('mirror', String, nullable=False)) 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')) + PrimaryKeyConstraint('machine_id', 'user')) class Machine(object): def __repr__(self): @@ -98,6 +104,10 @@ class Type(object): def __repr__(self): return "" % (self.type_id, self.description) +class Mirror(object): + def __repr__(self): + return "" % (self.mirror_id) + class CDROM(object): def __repr__(self): return "" % (self.cdrom_id, self.description) @@ -115,14 +125,12 @@ 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) session.mapper(Autoinstall, autoinstalls_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?""" + """Clear sqlalchemy's cache + """ - # XXX maybe we still need to do this, but it's not doc'd how. - #ctx.registry.clear() + session.clear()