1 from sqlalchemy import *
2 from sqlalchemy import orm
3 from sqlalchemy.orm import create_session, relation
5 from sqlalchemy.ext.sessioncontext import SessionContext
6 from sqlalchemy.ext.assignmapper import assign_mapper
12 'machine_access_table',
30 meta = ThreadLocalMetaData()
31 session = orm.scoped_session(orm.sessionmaker(transactional=False, autoflush=False))
33 machine_table = Table('machines', meta,
34 Column('machine_id', Integer, primary_key=True, nullable=False),
35 Column('name', String, nullable=False),
36 Column('description', String, nullable=False),
37 Column('memory', Integer, nullable=False),
38 Column('owner', String, nullable=False),
39 Column('contact', String, nullable=False),
40 Column('uuid', String, nullable=False),
41 Column('administrator', String, nullable=True, default=None),
42 Column('type_id', String, ForeignKey('types.type_id'), nullable=False),
43 Column('autorestart', Boolean, nullable=False, default=False),
44 Column('cpus', Integer, nullable=False, default=1),
45 Column('adminable', Boolean, nullable=False, default=False))
47 nic_table = Table('nics', meta,
48 Column('machine_id', Integer, ForeignKey('machines.machine_id'), nullable=True),
49 Column('mac_addr', String, nullable=False, primary_key=True),
50 Column('ip', String, nullable=False, unique=True),
51 Column('hostname', String, nullable=True))
53 disk_table = Table('disks', meta,
54 Column('machine_id', Integer, ForeignKey('machines.machine_id'), nullable=False),
55 Column('guest_device_name', String, nullable=False),
56 Column('size', Integer, nullable=False),
57 PrimaryKeyConstraint('machine_id', 'guest_device_name'))
59 types_table = Table('types', meta,
60 Column('type_id', String, primary_key=True, nullable=False),
61 Column('description', String, nullable=False),
62 Column('hvm', Boolean, nullable=False),
63 Column('apic', Boolean, nullable=False),
64 Column('acpi', Boolean, nullable=False),
65 Column('pae', Boolean, nullable=False))
67 mirrors_table = Table('mirrors', meta,
68 Column('mirror_id', String, primary_key=True, nullable=False),
69 Column('uri_prefix', String, nullable=False))
71 cdroms_table = Table('cdroms', meta,
72 Column('cdrom_id', String, primary_key=True, nullable=False),
73 Column('description', String, nullable=False),
74 Column('mirror_id', String, ForeignKey('mirrors.mirror_id')),
75 Column('uri_suffix', String))
77 autoinstalls_table = Table('autoinstalls', meta,
78 Column('autoinstall_id', String, primary_key=True, nullable=False),
79 Column('description', String, nullable=False),
80 Column('type_id', String, ForeignKey('types.type_id'), nullable=False),
81 Column('distribution', String, nullable=False),
82 Column('mirror', String, nullable=False),
83 Column('arch', String, nullable=False))
85 machine_access_table = Table('machine_access', meta,
86 Column('machine_id', Integer, ForeignKey('machines.machine_id', ondelete='CASCADE'), nullable=False, index=True),
87 Column('user', String, nullable=False, index=True),
88 PrimaryKeyConstraint('machine_id', 'user'))
90 class Machine(object):
92 return "<Machine %s: name='%s' owner='%s'>" % (self.machine_id, self.name, self.owner)
94 class MachineAccess(object):
96 return "<MachineAccess machine='%s' user='%s'>" % (self.machine, self.user)
100 return "<NIC: mac='%s' machine='%s' ip='%s' hostname='%s'>" % (self.mac_addr, self.machine_id, self.ip, self.hostname)
104 return "<Disk: machine=%s device=%s size=%s>" % (self.machine_id, self.guest_device_name, self.size)
108 return "<Type %s: %s>" % (self.type_id, self.description)
110 class Mirror(object):
112 return "<Mirror %s>" % (self.mirror_id)
116 return "<CDROM %s: %s>" % (self.cdrom_id, self.description)
118 class Autoinstall(object):
120 return "<Autoinstall %s: %s (%s)>" % (self.autoinstall_id, self.description, self.type.type_id)
122 session.mapper(Machine, machine_table,
123 properties={'nics': relation(NIC, backref="machine"),
124 'disks': relation(Disk, backref="machine"),
125 'type': relation(Type),
126 'acl': relation(MachineAccess, backref="machine", passive_deletes=True, cascade="all, delete-orphan")});
127 session.mapper(MachineAccess, machine_access_table)
128 session.mapper(NIC, nic_table)
129 session.mapper(Disk, disk_table)
130 session.mapper(Type, types_table)
131 session.mapper(Mirror, mirrors_table)
132 session.mapper(CDROM, cdroms_table,
133 properties={'mirror': relation(Mirror, backref="cdroms")})
134 session.mapper(Autoinstall, autoinstalls_table)
137 """Clear sqlalchemy's cache